| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/aho-corasick-1.0.2/src/packed/teddy/runtime.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>runtime.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../../aho_corasick/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../../aho_corasick/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
| <span id="2">2</span> |
| <span id="3">3</span> |
| <span id="4">4</span> |
| <span id="5">5</span> |
| <span id="6">6</span> |
| <span id="7">7</span> |
| <span id="8">8</span> |
| <span id="9">9</span> |
| <span id="10">10</span> |
| <span id="11">11</span> |
| <span id="12">12</span> |
| <span id="13">13</span> |
| <span id="14">14</span> |
| <span id="15">15</span> |
| <span id="16">16</span> |
| <span id="17">17</span> |
| <span id="18">18</span> |
| <span id="19">19</span> |
| <span id="20">20</span> |
| <span id="21">21</span> |
| <span id="22">22</span> |
| <span id="23">23</span> |
| <span id="24">24</span> |
| <span id="25">25</span> |
| <span id="26">26</span> |
| <span id="27">27</span> |
| <span id="28">28</span> |
| <span id="29">29</span> |
| <span id="30">30</span> |
| <span id="31">31</span> |
| <span id="32">32</span> |
| <span id="33">33</span> |
| <span id="34">34</span> |
| <span id="35">35</span> |
| <span id="36">36</span> |
| <span id="37">37</span> |
| <span id="38">38</span> |
| <span id="39">39</span> |
| <span id="40">40</span> |
| <span id="41">41</span> |
| <span id="42">42</span> |
| <span id="43">43</span> |
| <span id="44">44</span> |
| <span id="45">45</span> |
| <span id="46">46</span> |
| <span id="47">47</span> |
| <span id="48">48</span> |
| <span id="49">49</span> |
| <span id="50">50</span> |
| <span id="51">51</span> |
| <span id="52">52</span> |
| <span id="53">53</span> |
| <span id="54">54</span> |
| <span id="55">55</span> |
| <span id="56">56</span> |
| <span id="57">57</span> |
| <span id="58">58</span> |
| <span id="59">59</span> |
| <span id="60">60</span> |
| <span id="61">61</span> |
| <span id="62">62</span> |
| <span id="63">63</span> |
| <span id="64">64</span> |
| <span id="65">65</span> |
| <span id="66">66</span> |
| <span id="67">67</span> |
| <span id="68">68</span> |
| <span id="69">69</span> |
| <span id="70">70</span> |
| <span id="71">71</span> |
| <span id="72">72</span> |
| <span id="73">73</span> |
| <span id="74">74</span> |
| <span id="75">75</span> |
| <span id="76">76</span> |
| <span id="77">77</span> |
| <span id="78">78</span> |
| <span id="79">79</span> |
| <span id="80">80</span> |
| <span id="81">81</span> |
| <span id="82">82</span> |
| <span id="83">83</span> |
| <span id="84">84</span> |
| <span id="85">85</span> |
| <span id="86">86</span> |
| <span id="87">87</span> |
| <span id="88">88</span> |
| <span id="89">89</span> |
| <span id="90">90</span> |
| <span id="91">91</span> |
| <span id="92">92</span> |
| <span id="93">93</span> |
| <span id="94">94</span> |
| <span id="95">95</span> |
| <span id="96">96</span> |
| <span id="97">97</span> |
| <span id="98">98</span> |
| <span id="99">99</span> |
| <span id="100">100</span> |
| <span id="101">101</span> |
| <span id="102">102</span> |
| <span id="103">103</span> |
| <span id="104">104</span> |
| <span id="105">105</span> |
| <span id="106">106</span> |
| <span id="107">107</span> |
| <span id="108">108</span> |
| <span id="109">109</span> |
| <span id="110">110</span> |
| <span id="111">111</span> |
| <span id="112">112</span> |
| <span id="113">113</span> |
| <span id="114">114</span> |
| <span id="115">115</span> |
| <span id="116">116</span> |
| <span id="117">117</span> |
| <span id="118">118</span> |
| <span id="119">119</span> |
| <span id="120">120</span> |
| <span id="121">121</span> |
| <span id="122">122</span> |
| <span id="123">123</span> |
| <span id="124">124</span> |
| <span id="125">125</span> |
| <span id="126">126</span> |
| <span id="127">127</span> |
| <span id="128">128</span> |
| <span id="129">129</span> |
| <span id="130">130</span> |
| <span id="131">131</span> |
| <span id="132">132</span> |
| <span id="133">133</span> |
| <span id="134">134</span> |
| <span id="135">135</span> |
| <span id="136">136</span> |
| <span id="137">137</span> |
| <span id="138">138</span> |
| <span id="139">139</span> |
| <span id="140">140</span> |
| <span id="141">141</span> |
| <span id="142">142</span> |
| <span id="143">143</span> |
| <span id="144">144</span> |
| <span id="145">145</span> |
| <span id="146">146</span> |
| <span id="147">147</span> |
| <span id="148">148</span> |
| <span id="149">149</span> |
| <span id="150">150</span> |
| <span id="151">151</span> |
| <span id="152">152</span> |
| <span id="153">153</span> |
| <span id="154">154</span> |
| <span id="155">155</span> |
| <span id="156">156</span> |
| <span id="157">157</span> |
| <span id="158">158</span> |
| <span id="159">159</span> |
| <span id="160">160</span> |
| <span id="161">161</span> |
| <span id="162">162</span> |
| <span id="163">163</span> |
| <span id="164">164</span> |
| <span id="165">165</span> |
| <span id="166">166</span> |
| <span id="167">167</span> |
| <span id="168">168</span> |
| <span id="169">169</span> |
| <span id="170">170</span> |
| <span id="171">171</span> |
| <span id="172">172</span> |
| <span id="173">173</span> |
| <span id="174">174</span> |
| <span id="175">175</span> |
| <span id="176">176</span> |
| <span id="177">177</span> |
| <span id="178">178</span> |
| <span id="179">179</span> |
| <span id="180">180</span> |
| <span id="181">181</span> |
| <span id="182">182</span> |
| <span id="183">183</span> |
| <span id="184">184</span> |
| <span id="185">185</span> |
| <span id="186">186</span> |
| <span id="187">187</span> |
| <span id="188">188</span> |
| <span id="189">189</span> |
| <span id="190">190</span> |
| <span id="191">191</span> |
| <span id="192">192</span> |
| <span id="193">193</span> |
| <span id="194">194</span> |
| <span id="195">195</span> |
| <span id="196">196</span> |
| <span id="197">197</span> |
| <span id="198">198</span> |
| <span id="199">199</span> |
| <span id="200">200</span> |
| <span id="201">201</span> |
| <span id="202">202</span> |
| <span id="203">203</span> |
| <span id="204">204</span> |
| <span id="205">205</span> |
| <span id="206">206</span> |
| <span id="207">207</span> |
| <span id="208">208</span> |
| <span id="209">209</span> |
| <span id="210">210</span> |
| <span id="211">211</span> |
| <span id="212">212</span> |
| <span id="213">213</span> |
| <span id="214">214</span> |
| <span id="215">215</span> |
| <span id="216">216</span> |
| <span id="217">217</span> |
| <span id="218">218</span> |
| <span id="219">219</span> |
| <span id="220">220</span> |
| <span id="221">221</span> |
| <span id="222">222</span> |
| <span id="223">223</span> |
| <span id="224">224</span> |
| <span id="225">225</span> |
| <span id="226">226</span> |
| <span id="227">227</span> |
| <span id="228">228</span> |
| <span id="229">229</span> |
| <span id="230">230</span> |
| <span id="231">231</span> |
| <span id="232">232</span> |
| <span id="233">233</span> |
| <span id="234">234</span> |
| <span id="235">235</span> |
| <span id="236">236</span> |
| <span id="237">237</span> |
| <span id="238">238</span> |
| <span id="239">239</span> |
| <span id="240">240</span> |
| <span id="241">241</span> |
| <span id="242">242</span> |
| <span id="243">243</span> |
| <span id="244">244</span> |
| <span id="245">245</span> |
| <span id="246">246</span> |
| <span id="247">247</span> |
| <span id="248">248</span> |
| <span id="249">249</span> |
| <span id="250">250</span> |
| <span id="251">251</span> |
| <span id="252">252</span> |
| <span id="253">253</span> |
| <span id="254">254</span> |
| <span id="255">255</span> |
| <span id="256">256</span> |
| <span id="257">257</span> |
| <span id="258">258</span> |
| <span id="259">259</span> |
| <span id="260">260</span> |
| <span id="261">261</span> |
| <span id="262">262</span> |
| <span id="263">263</span> |
| <span id="264">264</span> |
| <span id="265">265</span> |
| <span id="266">266</span> |
| <span id="267">267</span> |
| <span id="268">268</span> |
| <span id="269">269</span> |
| <span id="270">270</span> |
| <span id="271">271</span> |
| <span id="272">272</span> |
| <span id="273">273</span> |
| <span id="274">274</span> |
| <span id="275">275</span> |
| <span id="276">276</span> |
| <span id="277">277</span> |
| <span id="278">278</span> |
| <span id="279">279</span> |
| <span id="280">280</span> |
| <span id="281">281</span> |
| <span id="282">282</span> |
| <span id="283">283</span> |
| <span id="284">284</span> |
| <span id="285">285</span> |
| <span id="286">286</span> |
| <span id="287">287</span> |
| <span id="288">288</span> |
| <span id="289">289</span> |
| <span id="290">290</span> |
| <span id="291">291</span> |
| <span id="292">292</span> |
| <span id="293">293</span> |
| <span id="294">294</span> |
| <span id="295">295</span> |
| <span id="296">296</span> |
| <span id="297">297</span> |
| <span id="298">298</span> |
| <span id="299">299</span> |
| <span id="300">300</span> |
| <span id="301">301</span> |
| <span id="302">302</span> |
| <span id="303">303</span> |
| <span id="304">304</span> |
| <span id="305">305</span> |
| <span id="306">306</span> |
| <span id="307">307</span> |
| <span id="308">308</span> |
| <span id="309">309</span> |
| <span id="310">310</span> |
| <span id="311">311</span> |
| <span id="312">312</span> |
| <span id="313">313</span> |
| <span id="314">314</span> |
| <span id="315">315</span> |
| <span id="316">316</span> |
| <span id="317">317</span> |
| <span id="318">318</span> |
| <span id="319">319</span> |
| <span id="320">320</span> |
| <span id="321">321</span> |
| <span id="322">322</span> |
| <span id="323">323</span> |
| <span id="324">324</span> |
| <span id="325">325</span> |
| <span id="326">326</span> |
| <span id="327">327</span> |
| <span id="328">328</span> |
| <span id="329">329</span> |
| <span id="330">330</span> |
| <span id="331">331</span> |
| <span id="332">332</span> |
| <span id="333">333</span> |
| <span id="334">334</span> |
| <span id="335">335</span> |
| <span id="336">336</span> |
| <span id="337">337</span> |
| <span id="338">338</span> |
| <span id="339">339</span> |
| <span id="340">340</span> |
| <span id="341">341</span> |
| <span id="342">342</span> |
| <span id="343">343</span> |
| <span id="344">344</span> |
| <span id="345">345</span> |
| <span id="346">346</span> |
| <span id="347">347</span> |
| <span id="348">348</span> |
| <span id="349">349</span> |
| <span id="350">350</span> |
| <span id="351">351</span> |
| <span id="352">352</span> |
| <span id="353">353</span> |
| <span id="354">354</span> |
| <span id="355">355</span> |
| <span id="356">356</span> |
| <span id="357">357</span> |
| <span id="358">358</span> |
| <span id="359">359</span> |
| <span id="360">360</span> |
| <span id="361">361</span> |
| <span id="362">362</span> |
| <span id="363">363</span> |
| <span id="364">364</span> |
| <span id="365">365</span> |
| <span id="366">366</span> |
| <span id="367">367</span> |
| <span id="368">368</span> |
| <span id="369">369</span> |
| <span id="370">370</span> |
| <span id="371">371</span> |
| <span id="372">372</span> |
| <span id="373">373</span> |
| <span id="374">374</span> |
| <span id="375">375</span> |
| <span id="376">376</span> |
| <span id="377">377</span> |
| <span id="378">378</span> |
| <span id="379">379</span> |
| <span id="380">380</span> |
| <span id="381">381</span> |
| <span id="382">382</span> |
| <span id="383">383</span> |
| <span id="384">384</span> |
| <span id="385">385</span> |
| <span id="386">386</span> |
| <span id="387">387</span> |
| <span id="388">388</span> |
| <span id="389">389</span> |
| <span id="390">390</span> |
| <span id="391">391</span> |
| <span id="392">392</span> |
| <span id="393">393</span> |
| <span id="394">394</span> |
| <span id="395">395</span> |
| <span id="396">396</span> |
| <span id="397">397</span> |
| <span id="398">398</span> |
| <span id="399">399</span> |
| <span id="400">400</span> |
| <span id="401">401</span> |
| <span id="402">402</span> |
| <span id="403">403</span> |
| <span id="404">404</span> |
| <span id="405">405</span> |
| <span id="406">406</span> |
| <span id="407">407</span> |
| <span id="408">408</span> |
| <span id="409">409</span> |
| <span id="410">410</span> |
| <span id="411">411</span> |
| <span id="412">412</span> |
| <span id="413">413</span> |
| <span id="414">414</span> |
| <span id="415">415</span> |
| <span id="416">416</span> |
| <span id="417">417</span> |
| <span id="418">418</span> |
| <span id="419">419</span> |
| <span id="420">420</span> |
| <span id="421">421</span> |
| <span id="422">422</span> |
| <span id="423">423</span> |
| <span id="424">424</span> |
| <span id="425">425</span> |
| <span id="426">426</span> |
| <span id="427">427</span> |
| <span id="428">428</span> |
| <span id="429">429</span> |
| <span id="430">430</span> |
| <span id="431">431</span> |
| <span id="432">432</span> |
| <span id="433">433</span> |
| <span id="434">434</span> |
| <span id="435">435</span> |
| <span id="436">436</span> |
| <span id="437">437</span> |
| <span id="438">438</span> |
| <span id="439">439</span> |
| <span id="440">440</span> |
| <span id="441">441</span> |
| <span id="442">442</span> |
| <span id="443">443</span> |
| <span id="444">444</span> |
| <span id="445">445</span> |
| <span id="446">446</span> |
| <span id="447">447</span> |
| <span id="448">448</span> |
| <span id="449">449</span> |
| <span id="450">450</span> |
| <span id="451">451</span> |
| <span id="452">452</span> |
| <span id="453">453</span> |
| <span id="454">454</span> |
| <span id="455">455</span> |
| <span id="456">456</span> |
| <span id="457">457</span> |
| <span id="458">458</span> |
| <span id="459">459</span> |
| <span id="460">460</span> |
| <span id="461">461</span> |
| <span id="462">462</span> |
| <span id="463">463</span> |
| <span id="464">464</span> |
| <span id="465">465</span> |
| <span id="466">466</span> |
| <span id="467">467</span> |
| <span id="468">468</span> |
| <span id="469">469</span> |
| <span id="470">470</span> |
| <span id="471">471</span> |
| <span id="472">472</span> |
| <span id="473">473</span> |
| <span id="474">474</span> |
| <span id="475">475</span> |
| <span id="476">476</span> |
| <span id="477">477</span> |
| <span id="478">478</span> |
| <span id="479">479</span> |
| <span id="480">480</span> |
| <span id="481">481</span> |
| <span id="482">482</span> |
| <span id="483">483</span> |
| <span id="484">484</span> |
| <span id="485">485</span> |
| <span id="486">486</span> |
| <span id="487">487</span> |
| <span id="488">488</span> |
| <span id="489">489</span> |
| <span id="490">490</span> |
| <span id="491">491</span> |
| <span id="492">492</span> |
| <span id="493">493</span> |
| <span id="494">494</span> |
| <span id="495">495</span> |
| <span id="496">496</span> |
| <span id="497">497</span> |
| <span id="498">498</span> |
| <span id="499">499</span> |
| <span id="500">500</span> |
| <span id="501">501</span> |
| <span id="502">502</span> |
| <span id="503">503</span> |
| <span id="504">504</span> |
| <span id="505">505</span> |
| <span id="506">506</span> |
| <span id="507">507</span> |
| <span id="508">508</span> |
| <span id="509">509</span> |
| <span id="510">510</span> |
| <span id="511">511</span> |
| <span id="512">512</span> |
| <span id="513">513</span> |
| <span id="514">514</span> |
| <span id="515">515</span> |
| <span id="516">516</span> |
| <span id="517">517</span> |
| <span id="518">518</span> |
| <span id="519">519</span> |
| <span id="520">520</span> |
| <span id="521">521</span> |
| <span id="522">522</span> |
| <span id="523">523</span> |
| <span id="524">524</span> |
| <span id="525">525</span> |
| <span id="526">526</span> |
| <span id="527">527</span> |
| <span id="528">528</span> |
| <span id="529">529</span> |
| <span id="530">530</span> |
| <span id="531">531</span> |
| <span id="532">532</span> |
| <span id="533">533</span> |
| <span id="534">534</span> |
| <span id="535">535</span> |
| <span id="536">536</span> |
| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| <span id="540">540</span> |
| <span id="541">541</span> |
| <span id="542">542</span> |
| <span id="543">543</span> |
| <span id="544">544</span> |
| <span id="545">545</span> |
| <span id="546">546</span> |
| <span id="547">547</span> |
| <span id="548">548</span> |
| <span id="549">549</span> |
| <span id="550">550</span> |
| <span id="551">551</span> |
| <span id="552">552</span> |
| <span id="553">553</span> |
| <span id="554">554</span> |
| <span id="555">555</span> |
| <span id="556">556</span> |
| <span id="557">557</span> |
| <span id="558">558</span> |
| <span id="559">559</span> |
| <span id="560">560</span> |
| <span id="561">561</span> |
| <span id="562">562</span> |
| <span id="563">563</span> |
| <span id="564">564</span> |
| <span id="565">565</span> |
| <span id="566">566</span> |
| <span id="567">567</span> |
| <span id="568">568</span> |
| <span id="569">569</span> |
| <span id="570">570</span> |
| <span id="571">571</span> |
| <span id="572">572</span> |
| <span id="573">573</span> |
| <span id="574">574</span> |
| <span id="575">575</span> |
| <span id="576">576</span> |
| <span id="577">577</span> |
| <span id="578">578</span> |
| <span id="579">579</span> |
| <span id="580">580</span> |
| <span id="581">581</span> |
| <span id="582">582</span> |
| <span id="583">583</span> |
| <span id="584">584</span> |
| <span id="585">585</span> |
| <span id="586">586</span> |
| <span id="587">587</span> |
| <span id="588">588</span> |
| <span id="589">589</span> |
| <span id="590">590</span> |
| <span id="591">591</span> |
| <span id="592">592</span> |
| <span id="593">593</span> |
| <span id="594">594</span> |
| <span id="595">595</span> |
| <span id="596">596</span> |
| <span id="597">597</span> |
| <span id="598">598</span> |
| <span id="599">599</span> |
| <span id="600">600</span> |
| <span id="601">601</span> |
| <span id="602">602</span> |
| <span id="603">603</span> |
| <span id="604">604</span> |
| <span id="605">605</span> |
| <span id="606">606</span> |
| <span id="607">607</span> |
| <span id="608">608</span> |
| <span id="609">609</span> |
| <span id="610">610</span> |
| <span id="611">611</span> |
| <span id="612">612</span> |
| <span id="613">613</span> |
| <span id="614">614</span> |
| <span id="615">615</span> |
| <span id="616">616</span> |
| <span id="617">617</span> |
| <span id="618">618</span> |
| <span id="619">619</span> |
| <span id="620">620</span> |
| <span id="621">621</span> |
| <span id="622">622</span> |
| <span id="623">623</span> |
| <span id="624">624</span> |
| <span id="625">625</span> |
| <span id="626">626</span> |
| <span id="627">627</span> |
| <span id="628">628</span> |
| <span id="629">629</span> |
| <span id="630">630</span> |
| <span id="631">631</span> |
| <span id="632">632</span> |
| <span id="633">633</span> |
| <span id="634">634</span> |
| <span id="635">635</span> |
| <span id="636">636</span> |
| <span id="637">637</span> |
| <span id="638">638</span> |
| <span id="639">639</span> |
| <span id="640">640</span> |
| <span id="641">641</span> |
| <span id="642">642</span> |
| <span id="643">643</span> |
| <span id="644">644</span> |
| <span id="645">645</span> |
| <span id="646">646</span> |
| <span id="647">647</span> |
| <span id="648">648</span> |
| <span id="649">649</span> |
| <span id="650">650</span> |
| <span id="651">651</span> |
| <span id="652">652</span> |
| <span id="653">653</span> |
| <span id="654">654</span> |
| <span id="655">655</span> |
| <span id="656">656</span> |
| <span id="657">657</span> |
| <span id="658">658</span> |
| <span id="659">659</span> |
| <span id="660">660</span> |
| <span id="661">661</span> |
| <span id="662">662</span> |
| <span id="663">663</span> |
| <span id="664">664</span> |
| <span id="665">665</span> |
| <span id="666">666</span> |
| <span id="667">667</span> |
| <span id="668">668</span> |
| <span id="669">669</span> |
| <span id="670">670</span> |
| <span id="671">671</span> |
| <span id="672">672</span> |
| <span id="673">673</span> |
| <span id="674">674</span> |
| <span id="675">675</span> |
| <span id="676">676</span> |
| <span id="677">677</span> |
| <span id="678">678</span> |
| <span id="679">679</span> |
| <span id="680">680</span> |
| <span id="681">681</span> |
| <span id="682">682</span> |
| <span id="683">683</span> |
| <span id="684">684</span> |
| <span id="685">685</span> |
| <span id="686">686</span> |
| <span id="687">687</span> |
| <span id="688">688</span> |
| <span id="689">689</span> |
| <span id="690">690</span> |
| <span id="691">691</span> |
| <span id="692">692</span> |
| <span id="693">693</span> |
| <span id="694">694</span> |
| <span id="695">695</span> |
| <span id="696">696</span> |
| <span id="697">697</span> |
| <span id="698">698</span> |
| <span id="699">699</span> |
| <span id="700">700</span> |
| <span id="701">701</span> |
| <span id="702">702</span> |
| <span id="703">703</span> |
| <span id="704">704</span> |
| <span id="705">705</span> |
| <span id="706">706</span> |
| <span id="707">707</span> |
| <span id="708">708</span> |
| <span id="709">709</span> |
| <span id="710">710</span> |
| <span id="711">711</span> |
| <span id="712">712</span> |
| <span id="713">713</span> |
| <span id="714">714</span> |
| <span id="715">715</span> |
| <span id="716">716</span> |
| <span id="717">717</span> |
| <span id="718">718</span> |
| <span id="719">719</span> |
| <span id="720">720</span> |
| <span id="721">721</span> |
| <span id="722">722</span> |
| <span id="723">723</span> |
| <span id="724">724</span> |
| <span id="725">725</span> |
| <span id="726">726</span> |
| <span id="727">727</span> |
| <span id="728">728</span> |
| <span id="729">729</span> |
| <span id="730">730</span> |
| <span id="731">731</span> |
| <span id="732">732</span> |
| <span id="733">733</span> |
| <span id="734">734</span> |
| <span id="735">735</span> |
| <span id="736">736</span> |
| <span id="737">737</span> |
| <span id="738">738</span> |
| <span id="739">739</span> |
| <span id="740">740</span> |
| <span id="741">741</span> |
| <span id="742">742</span> |
| <span id="743">743</span> |
| <span id="744">744</span> |
| <span id="745">745</span> |
| <span id="746">746</span> |
| <span id="747">747</span> |
| <span id="748">748</span> |
| <span id="749">749</span> |
| <span id="750">750</span> |
| <span id="751">751</span> |
| <span id="752">752</span> |
| <span id="753">753</span> |
| <span id="754">754</span> |
| <span id="755">755</span> |
| <span id="756">756</span> |
| <span id="757">757</span> |
| <span id="758">758</span> |
| <span id="759">759</span> |
| <span id="760">760</span> |
| <span id="761">761</span> |
| <span id="762">762</span> |
| <span id="763">763</span> |
| <span id="764">764</span> |
| <span id="765">765</span> |
| <span id="766">766</span> |
| <span id="767">767</span> |
| <span id="768">768</span> |
| <span id="769">769</span> |
| <span id="770">770</span> |
| <span id="771">771</span> |
| <span id="772">772</span> |
| <span id="773">773</span> |
| <span id="774">774</span> |
| <span id="775">775</span> |
| <span id="776">776</span> |
| <span id="777">777</span> |
| <span id="778">778</span> |
| <span id="779">779</span> |
| <span id="780">780</span> |
| <span id="781">781</span> |
| <span id="782">782</span> |
| <span id="783">783</span> |
| <span id="784">784</span> |
| <span id="785">785</span> |
| <span id="786">786</span> |
| <span id="787">787</span> |
| <span id="788">788</span> |
| <span id="789">789</span> |
| <span id="790">790</span> |
| <span id="791">791</span> |
| <span id="792">792</span> |
| <span id="793">793</span> |
| <span id="794">794</span> |
| <span id="795">795</span> |
| <span id="796">796</span> |
| <span id="797">797</span> |
| <span id="798">798</span> |
| <span id="799">799</span> |
| <span id="800">800</span> |
| <span id="801">801</span> |
| <span id="802">802</span> |
| <span id="803">803</span> |
| <span id="804">804</span> |
| <span id="805">805</span> |
| <span id="806">806</span> |
| <span id="807">807</span> |
| <span id="808">808</span> |
| <span id="809">809</span> |
| <span id="810">810</span> |
| <span id="811">811</span> |
| <span id="812">812</span> |
| <span id="813">813</span> |
| <span id="814">814</span> |
| <span id="815">815</span> |
| <span id="816">816</span> |
| <span id="817">817</span> |
| <span id="818">818</span> |
| <span id="819">819</span> |
| <span id="820">820</span> |
| <span id="821">821</span> |
| <span id="822">822</span> |
| <span id="823">823</span> |
| <span id="824">824</span> |
| <span id="825">825</span> |
| <span id="826">826</span> |
| <span id="827">827</span> |
| <span id="828">828</span> |
| <span id="829">829</span> |
| <span id="830">830</span> |
| <span id="831">831</span> |
| <span id="832">832</span> |
| <span id="833">833</span> |
| <span id="834">834</span> |
| <span id="835">835</span> |
| <span id="836">836</span> |
| <span id="837">837</span> |
| <span id="838">838</span> |
| <span id="839">839</span> |
| <span id="840">840</span> |
| <span id="841">841</span> |
| <span id="842">842</span> |
| <span id="843">843</span> |
| <span id="844">844</span> |
| <span id="845">845</span> |
| <span id="846">846</span> |
| <span id="847">847</span> |
| <span id="848">848</span> |
| <span id="849">849</span> |
| <span id="850">850</span> |
| <span id="851">851</span> |
| <span id="852">852</span> |
| <span id="853">853</span> |
| <span id="854">854</span> |
| <span id="855">855</span> |
| <span id="856">856</span> |
| <span id="857">857</span> |
| <span id="858">858</span> |
| <span id="859">859</span> |
| <span id="860">860</span> |
| <span id="861">861</span> |
| <span id="862">862</span> |
| <span id="863">863</span> |
| <span id="864">864</span> |
| <span id="865">865</span> |
| <span id="866">866</span> |
| <span id="867">867</span> |
| <span id="868">868</span> |
| <span id="869">869</span> |
| <span id="870">870</span> |
| <span id="871">871</span> |
| <span id="872">872</span> |
| <span id="873">873</span> |
| <span id="874">874</span> |
| <span id="875">875</span> |
| <span id="876">876</span> |
| <span id="877">877</span> |
| <span id="878">878</span> |
| <span id="879">879</span> |
| <span id="880">880</span> |
| <span id="881">881</span> |
| <span id="882">882</span> |
| <span id="883">883</span> |
| <span id="884">884</span> |
| <span id="885">885</span> |
| <span id="886">886</span> |
| <span id="887">887</span> |
| <span id="888">888</span> |
| <span id="889">889</span> |
| <span id="890">890</span> |
| <span id="891">891</span> |
| <span id="892">892</span> |
| <span id="893">893</span> |
| <span id="894">894</span> |
| <span id="895">895</span> |
| <span id="896">896</span> |
| <span id="897">897</span> |
| <span id="898">898</span> |
| <span id="899">899</span> |
| <span id="900">900</span> |
| <span id="901">901</span> |
| <span id="902">902</span> |
| <span id="903">903</span> |
| <span id="904">904</span> |
| <span id="905">905</span> |
| <span id="906">906</span> |
| <span id="907">907</span> |
| <span id="908">908</span> |
| <span id="909">909</span> |
| <span id="910">910</span> |
| <span id="911">911</span> |
| <span id="912">912</span> |
| <span id="913">913</span> |
| <span id="914">914</span> |
| <span id="915">915</span> |
| <span id="916">916</span> |
| <span id="917">917</span> |
| <span id="918">918</span> |
| <span id="919">919</span> |
| <span id="920">920</span> |
| <span id="921">921</span> |
| <span id="922">922</span> |
| <span id="923">923</span> |
| <span id="924">924</span> |
| <span id="925">925</span> |
| <span id="926">926</span> |
| <span id="927">927</span> |
| <span id="928">928</span> |
| <span id="929">929</span> |
| <span id="930">930</span> |
| <span id="931">931</span> |
| <span id="932">932</span> |
| <span id="933">933</span> |
| <span id="934">934</span> |
| <span id="935">935</span> |
| <span id="936">936</span> |
| <span id="937">937</span> |
| <span id="938">938</span> |
| <span id="939">939</span> |
| <span id="940">940</span> |
| <span id="941">941</span> |
| <span id="942">942</span> |
| <span id="943">943</span> |
| <span id="944">944</span> |
| <span id="945">945</span> |
| <span id="946">946</span> |
| <span id="947">947</span> |
| <span id="948">948</span> |
| <span id="949">949</span> |
| <span id="950">950</span> |
| <span id="951">951</span> |
| <span id="952">952</span> |
| <span id="953">953</span> |
| <span id="954">954</span> |
| <span id="955">955</span> |
| <span id="956">956</span> |
| <span id="957">957</span> |
| <span id="958">958</span> |
| <span id="959">959</span> |
| <span id="960">960</span> |
| <span id="961">961</span> |
| <span id="962">962</span> |
| <span id="963">963</span> |
| <span id="964">964</span> |
| <span id="965">965</span> |
| <span id="966">966</span> |
| <span id="967">967</span> |
| <span id="968">968</span> |
| <span id="969">969</span> |
| <span id="970">970</span> |
| <span id="971">971</span> |
| <span id="972">972</span> |
| <span id="973">973</span> |
| <span id="974">974</span> |
| <span id="975">975</span> |
| <span id="976">976</span> |
| <span id="977">977</span> |
| <span id="978">978</span> |
| <span id="979">979</span> |
| <span id="980">980</span> |
| <span id="981">981</span> |
| <span id="982">982</span> |
| <span id="983">983</span> |
| <span id="984">984</span> |
| <span id="985">985</span> |
| <span id="986">986</span> |
| <span id="987">987</span> |
| <span id="988">988</span> |
| <span id="989">989</span> |
| <span id="990">990</span> |
| <span id="991">991</span> |
| <span id="992">992</span> |
| <span id="993">993</span> |
| <span id="994">994</span> |
| <span id="995">995</span> |
| <span id="996">996</span> |
| <span id="997">997</span> |
| <span id="998">998</span> |
| <span id="999">999</span> |
| <span id="1000">1000</span> |
| <span id="1001">1001</span> |
| <span id="1002">1002</span> |
| <span id="1003">1003</span> |
| <span id="1004">1004</span> |
| <span id="1005">1005</span> |
| <span id="1006">1006</span> |
| <span id="1007">1007</span> |
| <span id="1008">1008</span> |
| <span id="1009">1009</span> |
| <span id="1010">1010</span> |
| <span id="1011">1011</span> |
| <span id="1012">1012</span> |
| <span id="1013">1013</span> |
| <span id="1014">1014</span> |
| <span id="1015">1015</span> |
| <span id="1016">1016</span> |
| <span id="1017">1017</span> |
| <span id="1018">1018</span> |
| <span id="1019">1019</span> |
| <span id="1020">1020</span> |
| <span id="1021">1021</span> |
| <span id="1022">1022</span> |
| <span id="1023">1023</span> |
| <span id="1024">1024</span> |
| <span id="1025">1025</span> |
| <span id="1026">1026</span> |
| <span id="1027">1027</span> |
| <span id="1028">1028</span> |
| <span id="1029">1029</span> |
| <span id="1030">1030</span> |
| <span id="1031">1031</span> |
| <span id="1032">1032</span> |
| <span id="1033">1033</span> |
| <span id="1034">1034</span> |
| <span id="1035">1035</span> |
| <span id="1036">1036</span> |
| <span id="1037">1037</span> |
| <span id="1038">1038</span> |
| <span id="1039">1039</span> |
| <span id="1040">1040</span> |
| <span id="1041">1041</span> |
| <span id="1042">1042</span> |
| <span id="1043">1043</span> |
| <span id="1044">1044</span> |
| <span id="1045">1045</span> |
| <span id="1046">1046</span> |
| <span id="1047">1047</span> |
| <span id="1048">1048</span> |
| <span id="1049">1049</span> |
| <span id="1050">1050</span> |
| <span id="1051">1051</span> |
| <span id="1052">1052</span> |
| <span id="1053">1053</span> |
| <span id="1054">1054</span> |
| <span id="1055">1055</span> |
| <span id="1056">1056</span> |
| <span id="1057">1057</span> |
| <span id="1058">1058</span> |
| <span id="1059">1059</span> |
| <span id="1060">1060</span> |
| <span id="1061">1061</span> |
| <span id="1062">1062</span> |
| <span id="1063">1063</span> |
| <span id="1064">1064</span> |
| <span id="1065">1065</span> |
| <span id="1066">1066</span> |
| <span id="1067">1067</span> |
| <span id="1068">1068</span> |
| <span id="1069">1069</span> |
| <span id="1070">1070</span> |
| <span id="1071">1071</span> |
| <span id="1072">1072</span> |
| <span id="1073">1073</span> |
| <span id="1074">1074</span> |
| <span id="1075">1075</span> |
| <span id="1076">1076</span> |
| <span id="1077">1077</span> |
| <span id="1078">1078</span> |
| <span id="1079">1079</span> |
| <span id="1080">1080</span> |
| <span id="1081">1081</span> |
| <span id="1082">1082</span> |
| <span id="1083">1083</span> |
| <span id="1084">1084</span> |
| <span id="1085">1085</span> |
| <span id="1086">1086</span> |
| <span id="1087">1087</span> |
| <span id="1088">1088</span> |
| <span id="1089">1089</span> |
| <span id="1090">1090</span> |
| <span id="1091">1091</span> |
| <span id="1092">1092</span> |
| <span id="1093">1093</span> |
| <span id="1094">1094</span> |
| <span id="1095">1095</span> |
| <span id="1096">1096</span> |
| <span id="1097">1097</span> |
| <span id="1098">1098</span> |
| <span id="1099">1099</span> |
| <span id="1100">1100</span> |
| <span id="1101">1101</span> |
| <span id="1102">1102</span> |
| <span id="1103">1103</span> |
| <span id="1104">1104</span> |
| <span id="1105">1105</span> |
| <span id="1106">1106</span> |
| <span id="1107">1107</span> |
| <span id="1108">1108</span> |
| <span id="1109">1109</span> |
| <span id="1110">1110</span> |
| <span id="1111">1111</span> |
| <span id="1112">1112</span> |
| <span id="1113">1113</span> |
| <span id="1114">1114</span> |
| <span id="1115">1115</span> |
| <span id="1116">1116</span> |
| <span id="1117">1117</span> |
| <span id="1118">1118</span> |
| <span id="1119">1119</span> |
| <span id="1120">1120</span> |
| <span id="1121">1121</span> |
| <span id="1122">1122</span> |
| <span id="1123">1123</span> |
| <span id="1124">1124</span> |
| <span id="1125">1125</span> |
| <span id="1126">1126</span> |
| <span id="1127">1127</span> |
| <span id="1128">1128</span> |
| <span id="1129">1129</span> |
| <span id="1130">1130</span> |
| <span id="1131">1131</span> |
| <span id="1132">1132</span> |
| <span id="1133">1133</span> |
| <span id="1134">1134</span> |
| <span id="1135">1135</span> |
| <span id="1136">1136</span> |
| <span id="1137">1137</span> |
| <span id="1138">1138</span> |
| <span id="1139">1139</span> |
| <span id="1140">1140</span> |
| <span id="1141">1141</span> |
| <span id="1142">1142</span> |
| <span id="1143">1143</span> |
| <span id="1144">1144</span> |
| <span id="1145">1145</span> |
| <span id="1146">1146</span> |
| <span id="1147">1147</span> |
| <span id="1148">1148</span> |
| <span id="1149">1149</span> |
| <span id="1150">1150</span> |
| <span id="1151">1151</span> |
| <span id="1152">1152</span> |
| <span id="1153">1153</span> |
| <span id="1154">1154</span> |
| <span id="1155">1155</span> |
| <span id="1156">1156</span> |
| <span id="1157">1157</span> |
| <span id="1158">1158</span> |
| <span id="1159">1159</span> |
| <span id="1160">1160</span> |
| <span id="1161">1161</span> |
| <span id="1162">1162</span> |
| <span id="1163">1163</span> |
| <span id="1164">1164</span> |
| <span id="1165">1165</span> |
| <span id="1166">1166</span> |
| <span id="1167">1167</span> |
| <span id="1168">1168</span> |
| <span id="1169">1169</span> |
| <span id="1170">1170</span> |
| <span id="1171">1171</span> |
| <span id="1172">1172</span> |
| <span id="1173">1173</span> |
| <span id="1174">1174</span> |
| <span id="1175">1175</span> |
| <span id="1176">1176</span> |
| <span id="1177">1177</span> |
| <span id="1178">1178</span> |
| <span id="1179">1179</span> |
| <span id="1180">1180</span> |
| <span id="1181">1181</span> |
| <span id="1182">1182</span> |
| <span id="1183">1183</span> |
| <span id="1184">1184</span> |
| <span id="1185">1185</span> |
| <span id="1186">1186</span> |
| <span id="1187">1187</span> |
| <span id="1188">1188</span> |
| <span id="1189">1189</span> |
| <span id="1190">1190</span> |
| <span id="1191">1191</span> |
| <span id="1192">1192</span> |
| <span id="1193">1193</span> |
| <span id="1194">1194</span> |
| <span id="1195">1195</span> |
| <span id="1196">1196</span> |
| <span id="1197">1197</span> |
| <span id="1198">1198</span> |
| <span id="1199">1199</span> |
| <span id="1200">1200</span> |
| <span id="1201">1201</span> |
| <span id="1202">1202</span> |
| <span id="1203">1203</span> |
| <span id="1204">1204</span> |
| <span id="1205">1205</span> |
| <span id="1206">1206</span> |
| <span id="1207">1207</span> |
| <span id="1208">1208</span> |
| <span id="1209">1209</span> |
| <span id="1210">1210</span> |
| <span id="1211">1211</span> |
| <span id="1212">1212</span> |
| <span id="1213">1213</span> |
| <span id="1214">1214</span> |
| <span id="1215">1215</span> |
| <span id="1216">1216</span> |
| <span id="1217">1217</span> |
| <span id="1218">1218</span> |
| <span id="1219">1219</span> |
| <span id="1220">1220</span> |
| <span id="1221">1221</span> |
| <span id="1222">1222</span> |
| <span id="1223">1223</span> |
| <span id="1224">1224</span> |
| <span id="1225">1225</span> |
| <span id="1226">1226</span> |
| <span id="1227">1227</span> |
| <span id="1228">1228</span> |
| <span id="1229">1229</span> |
| <span id="1230">1230</span> |
| <span id="1231">1231</span> |
| <span id="1232">1232</span> |
| <span id="1233">1233</span> |
| <span id="1234">1234</span> |
| <span id="1235">1235</span> |
| <span id="1236">1236</span> |
| <span id="1237">1237</span> |
| <span id="1238">1238</span> |
| <span id="1239">1239</span> |
| <span id="1240">1240</span> |
| <span id="1241">1241</span> |
| <span id="1242">1242</span> |
| <span id="1243">1243</span> |
| <span id="1244">1244</span> |
| <span id="1245">1245</span> |
| <span id="1246">1246</span> |
| <span id="1247">1247</span> |
| <span id="1248">1248</span> |
| <span id="1249">1249</span> |
| <span id="1250">1250</span> |
| <span id="1251">1251</span> |
| <span id="1252">1252</span> |
| <span id="1253">1253</span> |
| <span id="1254">1254</span> |
| <span id="1255">1255</span> |
| <span id="1256">1256</span> |
| <span id="1257">1257</span> |
| <span id="1258">1258</span> |
| <span id="1259">1259</span> |
| <span id="1260">1260</span> |
| <span id="1261">1261</span> |
| <span id="1262">1262</span> |
| <span id="1263">1263</span> |
| <span id="1264">1264</span> |
| <span id="1265">1265</span> |
| <span id="1266">1266</span> |
| <span id="1267">1267</span> |
| <span id="1268">1268</span> |
| <span id="1269">1269</span> |
| <span id="1270">1270</span> |
| <span id="1271">1271</span> |
| <span id="1272">1272</span> |
| <span id="1273">1273</span> |
| <span id="1274">1274</span> |
| <span id="1275">1275</span> |
| <span id="1276">1276</span> |
| <span id="1277">1277</span> |
| <span id="1278">1278</span> |
| <span id="1279">1279</span> |
| <span id="1280">1280</span> |
| <span id="1281">1281</span> |
| <span id="1282">1282</span> |
| <span id="1283">1283</span> |
| <span id="1284">1284</span> |
| <span id="1285">1285</span> |
| <span id="1286">1286</span> |
| <span id="1287">1287</span> |
| <span id="1288">1288</span> |
| <span id="1289">1289</span> |
| <span id="1290">1290</span> |
| <span id="1291">1291</span> |
| <span id="1292">1292</span> |
| <span id="1293">1293</span> |
| <span id="1294">1294</span> |
| <span id="1295">1295</span> |
| <span id="1296">1296</span> |
| <span id="1297">1297</span> |
| <span id="1298">1298</span> |
| <span id="1299">1299</span> |
| <span id="1300">1300</span> |
| <span id="1301">1301</span> |
| <span id="1302">1302</span> |
| <span id="1303">1303</span> |
| <span id="1304">1304</span> |
| <span id="1305">1305</span> |
| <span id="1306">1306</span> |
| <span id="1307">1307</span> |
| <span id="1308">1308</span> |
| <span id="1309">1309</span> |
| <span id="1310">1310</span> |
| <span id="1311">1311</span> |
| <span id="1312">1312</span> |
| <span id="1313">1313</span> |
| <span id="1314">1314</span> |
| <span id="1315">1315</span> |
| <span id="1316">1316</span> |
| <span id="1317">1317</span> |
| <span id="1318">1318</span> |
| <span id="1319">1319</span> |
| <span id="1320">1320</span> |
| <span id="1321">1321</span> |
| <span id="1322">1322</span> |
| <span id="1323">1323</span> |
| <span id="1324">1324</span> |
| <span id="1325">1325</span> |
| <span id="1326">1326</span> |
| <span id="1327">1327</span> |
| <span id="1328">1328</span> |
| <span id="1329">1329</span> |
| <span id="1330">1330</span> |
| <span id="1331">1331</span> |
| <span id="1332">1332</span> |
| <span id="1333">1333</span> |
| <span id="1334">1334</span> |
| <span id="1335">1335</span> |
| <span id="1336">1336</span> |
| <span id="1337">1337</span> |
| <span id="1338">1338</span> |
| <span id="1339">1339</span> |
| <span id="1340">1340</span> |
| <span id="1341">1341</span> |
| <span id="1342">1342</span> |
| <span id="1343">1343</span> |
| <span id="1344">1344</span> |
| <span id="1345">1345</span> |
| <span id="1346">1346</span> |
| <span id="1347">1347</span> |
| <span id="1348">1348</span> |
| <span id="1349">1349</span> |
| <span id="1350">1350</span> |
| <span id="1351">1351</span> |
| <span id="1352">1352</span> |
| <span id="1353">1353</span> |
| <span id="1354">1354</span> |
| <span id="1355">1355</span> |
| <span id="1356">1356</span> |
| <span id="1357">1357</span> |
| <span id="1358">1358</span> |
| <span id="1359">1359</span> |
| <span id="1360">1360</span> |
| <span id="1361">1361</span> |
| <span id="1362">1362</span> |
| <span id="1363">1363</span> |
| <span id="1364">1364</span> |
| <span id="1365">1365</span> |
| <span id="1366">1366</span> |
| <span id="1367">1367</span> |
| <span id="1368">1368</span> |
| <span id="1369">1369</span> |
| <span id="1370">1370</span> |
| <span id="1371">1371</span> |
| <span id="1372">1372</span> |
| <span id="1373">1373</span> |
| <span id="1374">1374</span> |
| <span id="1375">1375</span> |
| <span id="1376">1376</span> |
| <span id="1377">1377</span> |
| <span id="1378">1378</span> |
| <span id="1379">1379</span> |
| <span id="1380">1380</span> |
| <span id="1381">1381</span> |
| <span id="1382">1382</span> |
| <span id="1383">1383</span> |
| <span id="1384">1384</span> |
| <span id="1385">1385</span> |
| <span id="1386">1386</span> |
| <span id="1387">1387</span> |
| <span id="1388">1388</span> |
| <span id="1389">1389</span> |
| <span id="1390">1390</span> |
| <span id="1391">1391</span> |
| <span id="1392">1392</span> |
| <span id="1393">1393</span> |
| <span id="1394">1394</span> |
| <span id="1395">1395</span> |
| <span id="1396">1396</span> |
| <span id="1397">1397</span> |
| <span id="1398">1398</span> |
| <span id="1399">1399</span> |
| <span id="1400">1400</span> |
| <span id="1401">1401</span> |
| <span id="1402">1402</span> |
| <span id="1403">1403</span> |
| <span id="1404">1404</span> |
| <span id="1405">1405</span> |
| <span id="1406">1406</span> |
| <span id="1407">1407</span> |
| <span id="1408">1408</span> |
| <span id="1409">1409</span> |
| <span id="1410">1410</span> |
| <span id="1411">1411</span> |
| <span id="1412">1412</span> |
| <span id="1413">1413</span> |
| <span id="1414">1414</span> |
| <span id="1415">1415</span> |
| <span id="1416">1416</span> |
| <span id="1417">1417</span> |
| <span id="1418">1418</span> |
| <span id="1419">1419</span> |
| <span id="1420">1420</span> |
| <span id="1421">1421</span> |
| <span id="1422">1422</span> |
| <span id="1423">1423</span> |
| <span id="1424">1424</span> |
| <span id="1425">1425</span> |
| <span id="1426">1426</span> |
| <span id="1427">1427</span> |
| <span id="1428">1428</span> |
| <span id="1429">1429</span> |
| <span id="1430">1430</span> |
| <span id="1431">1431</span> |
| <span id="1432">1432</span> |
| <span id="1433">1433</span> |
| <span id="1434">1434</span> |
| <span id="1435">1435</span> |
| <span id="1436">1436</span> |
| <span id="1437">1437</span> |
| <span id="1438">1438</span> |
| <span id="1439">1439</span> |
| <span id="1440">1440</span> |
| <span id="1441">1441</span> |
| <span id="1442">1442</span> |
| <span id="1443">1443</span> |
| <span id="1444">1444</span> |
| <span id="1445">1445</span> |
| <span id="1446">1446</span> |
| <span id="1447">1447</span> |
| <span id="1448">1448</span> |
| <span id="1449">1449</span> |
| <span id="1450">1450</span> |
| <span id="1451">1451</span> |
| <span id="1452">1452</span> |
| <span id="1453">1453</span> |
| <span id="1454">1454</span> |
| <span id="1455">1455</span> |
| <span id="1456">1456</span> |
| <span id="1457">1457</span> |
| <span id="1458">1458</span> |
| <span id="1459">1459</span> |
| <span id="1460">1460</span> |
| <span id="1461">1461</span> |
| <span id="1462">1462</span> |
| <span id="1463">1463</span> |
| <span id="1464">1464</span> |
| <span id="1465">1465</span> |
| <span id="1466">1466</span> |
| <span id="1467">1467</span> |
| <span id="1468">1468</span> |
| <span id="1469">1469</span> |
| <span id="1470">1470</span> |
| <span id="1471">1471</span> |
| <span id="1472">1472</span> |
| <span id="1473">1473</span> |
| <span id="1474">1474</span> |
| <span id="1475">1475</span> |
| <span id="1476">1476</span> |
| <span id="1477">1477</span> |
| <span id="1478">1478</span> |
| <span id="1479">1479</span> |
| <span id="1480">1480</span> |
| <span id="1481">1481</span> |
| <span id="1482">1482</span> |
| <span id="1483">1483</span> |
| <span id="1484">1484</span> |
| <span id="1485">1485</span> |
| <span id="1486">1486</span> |
| <span id="1487">1487</span> |
| <span id="1488">1488</span> |
| <span id="1489">1489</span> |
| <span id="1490">1490</span> |
| <span id="1491">1491</span> |
| <span id="1492">1492</span> |
| <span id="1493">1493</span> |
| <span id="1494">1494</span> |
| <span id="1495">1495</span> |
| <span id="1496">1496</span> |
| <span id="1497">1497</span> |
| <span id="1498">1498</span> |
| <span id="1499">1499</span> |
| <span id="1500">1500</span> |
| <span id="1501">1501</span> |
| <span id="1502">1502</span> |
| <span id="1503">1503</span> |
| <span id="1504">1504</span> |
| <span id="1505">1505</span> |
| <span id="1506">1506</span> |
| <span id="1507">1507</span> |
| <span id="1508">1508</span> |
| <span id="1509">1509</span> |
| <span id="1510">1510</span> |
| <span id="1511">1511</span> |
| <span id="1512">1512</span> |
| <span id="1513">1513</span> |
| <span id="1514">1514</span> |
| <span id="1515">1515</span> |
| <span id="1516">1516</span> |
| <span id="1517">1517</span> |
| <span id="1518">1518</span> |
| <span id="1519">1519</span> |
| <span id="1520">1520</span> |
| <span id="1521">1521</span> |
| <span id="1522">1522</span> |
| <span id="1523">1523</span> |
| <span id="1524">1524</span> |
| <span id="1525">1525</span> |
| <span id="1526">1526</span> |
| <span id="1527">1527</span> |
| <span id="1528">1528</span> |
| <span id="1529">1529</span> |
| <span id="1530">1530</span> |
| <span id="1531">1531</span> |
| <span id="1532">1532</span> |
| <span id="1533">1533</span> |
| <span id="1534">1534</span> |
| <span id="1535">1535</span> |
| <span id="1536">1536</span> |
| <span id="1537">1537</span> |
| <span id="1538">1538</span> |
| <span id="1539">1539</span> |
| <span id="1540">1540</span> |
| <span id="1541">1541</span> |
| <span id="1542">1542</span> |
| <span id="1543">1543</span> |
| <span id="1544">1544</span> |
| <span id="1545">1545</span> |
| <span id="1546">1546</span> |
| <span id="1547">1547</span> |
| <span id="1548">1548</span> |
| <span id="1549">1549</span> |
| <span id="1550">1550</span> |
| <span id="1551">1551</span> |
| <span id="1552">1552</span> |
| <span id="1553">1553</span> |
| <span id="1554">1554</span> |
| <span id="1555">1555</span> |
| <span id="1556">1556</span> |
| <span id="1557">1557</span> |
| <span id="1558">1558</span> |
| <span id="1559">1559</span> |
| <span id="1560">1560</span> |
| <span id="1561">1561</span> |
| <span id="1562">1562</span> |
| <span id="1563">1563</span> |
| <span id="1564">1564</span> |
| <span id="1565">1565</span> |
| <span id="1566">1566</span> |
| <span id="1567">1567</span> |
| <span id="1568">1568</span> |
| <span id="1569">1569</span> |
| <span id="1570">1570</span> |
| <span id="1571">1571</span> |
| <span id="1572">1572</span> |
| <span id="1573">1573</span> |
| </pre><pre class="rust"><code><span class="comment">// See the README in this directory for an explanation of the Teddy algorithm. |
| // It is strongly recommended to peruse the README before trying to grok this |
| // code, as its use of SIMD is pretty opaque, although I tried to add comments |
| // where appropriate. |
| // |
| // Moreover, while there is a lot of code in this file, most of it is |
| // repeated variants of the same thing. Specifically, there are three Teddy |
| // variants: Slim 128-bit Teddy (8 buckets), Slim 256-bit Teddy (8 buckets) |
| // and Fat 256-bit Teddy (16 buckets). For each variant, there are three |
| // implementations, corresponding to mask lengths of 1, 2 and 3. Bringing it to |
| // a total of nine variants. Each one is structured roughly the same: |
| // |
| // while at <= len(haystack) - CHUNK_SIZE: |
| // let candidate = find_candidate_in_chunk(haystack, at) |
| // if not all zeroes(candidate): |
| // if match = verify(haystack, at, candidate): |
| // return match |
| // |
| // For the most part, this remains unchanged. The parts that vary are the |
| // verification routine (for slim vs fat Teddy) and the candidate extraction |
| // (based on the number of masks). |
| // |
| // In the code below, a "candidate" corresponds to a single vector with 8-bit |
| // lanes. Each lane is itself an 8-bit bitset, where the ith bit is set in the |
| // jth lane if and only if the byte occurring at position `j` is in the |
| // bucket `i` (where the `j`th position is the position in the current window |
| // of the haystack, which is always 16 or 32 bytes). Note to be careful here: |
| // the ith bit and the jth lane correspond to the least significant bits of the |
| // vector. So when visualizing how the current window of bytes is stored in a |
| // vector, you often need to flip it around. For example, the text `abcd` in a |
| // 4-byte vector would look like this: |
| // |
| // 01100100 01100011 01100010 01100001 |
| // d c b a |
| // |
| // When the mask length is 1, then finding the candidate is pretty straight |
| // forward: you just apply the shuffle indices (from the haystack window) to |
| // the masks, and then AND them together, as described in the README. But for |
| // masks of length 2 and 3, you need to keep a little state. Specifically, |
| // you need to store the final 1 (for mask length 2) or 2 (for mask length 3) |
| // bytes of the candidate for use when searching the next window. This is for |
| // handling matches that span two windows. |
| // |
| // With respect to the repeated code, it would likely be possible to reduce |
| // the number of copies of code below using polymorphism, but I find this |
| // formulation clearer instead of needing to reason through generics. However, |
| // I admit, there may be a simpler generic construction that I'm missing. |
| // |
| // All variants are fairly heavily tested in src/packed/tests.rs. |
| |
| </span><span class="kw">use </span>core::{arch::x86_64::<span class="kw-2">*</span>, mem}; |
| |
| <span class="kw">use </span>alloc::vec::Vec; |
| |
| <span class="kw">use crate</span>::{ |
| packed::{ |
| pattern::{PatternID, Patterns}, |
| teddy::compile, |
| vector, |
| }, |
| util::search::Match, |
| }; |
| |
| <span class="doccomment">/// The Teddy runtime. |
| /// |
| /// A Teddy runtime can be used to quickly search for occurrences of one or |
| /// more patterns. While it does not scale to an arbitrary number of patterns |
| /// like Aho-Corasick, it does find occurrences for a small set of patterns |
| /// much more quickly than Aho-Corasick. |
| /// |
| /// Teddy cannot run on small haystacks below a certain size, which is |
| /// dependent on the type of matcher used. This size can be queried via the |
| /// `minimum_len` method. Violating this will result in a panic. |
| /// |
| /// Finally, when callers use a Teddy runtime, they must provide precisely the |
| /// patterns used to construct the Teddy matcher. Violating this will result |
| /// in either a panic or incorrect results, but will never sacrifice memory |
| /// safety. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>Teddy { |
| <span class="doccomment">/// The allocation of patterns in buckets. This only contains the IDs of |
| /// patterns. In order to do full verification, callers must provide the |
| /// actual patterns when using Teddy. |
| </span><span class="kw">pub </span>buckets: Vec<Vec<PatternID>>, |
| <span class="doccomment">/// The maximum identifier of a pattern. This is used as a sanity check to |
| /// ensure that the patterns provided by the caller are the same as the |
| /// patterns that were used to compile the matcher. This sanity check |
| /// permits safely eliminating bounds checks regardless of what patterns |
| /// are provided by the caller. |
| /// |
| /// Note that users of the aho-corasick crate cannot get this wrong. Only |
| /// code internal to this crate can get it wrong, since neither `Patterns` |
| /// type nor the Teddy runtime are public API items. |
| </span><span class="kw">pub </span>max_pattern_id: PatternID, |
| <span class="doccomment">/// The actual runtime to use. |
| </span><span class="kw">pub </span>exec: Exec, |
| } |
| |
| <span class="kw">impl </span>Teddy { |
| <span class="doccomment">/// Return the first occurrence of a match in the given haystack after or |
| /// starting at `at`. |
| /// |
| /// The patterns provided must be precisely the same patterns given to the |
| /// Teddy builder, otherwise this may panic or produce incorrect results. |
| /// |
| /// All matches are consistent with the match semantics (leftmost-first or |
| /// leftmost-longest) set on `pats`. |
| </span><span class="kw">pub fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="comment">// This assert is a bit subtle, but it's an important guarantee. |
| // Namely, if the maximum pattern ID seen by Teddy is the same as the |
| // one in the patterns given, then we are guaranteed that every pattern |
| // ID in all Teddy buckets are valid indices into `pats`. While this |
| // is nominally true, there is no guarantee that callers provide the |
| // same `pats` to both the Teddy builder and the searcher, which would |
| // otherwise make `find_at` unsafe to call. But this assert lets us |
| // keep this routine safe and eliminate an important bounds check in |
| // verification. |
| </span><span class="macro">assert_eq!</span>( |
| <span class="self">self</span>.max_pattern_id, |
| pats.max_pattern_id(), |
| <span class="string">"teddy must be called with same patterns it was built with"</span>, |
| ); |
| <span class="comment">// SAFETY: The haystack must have at least a minimum number of bytes |
| // for Teddy to be able to work. The minimum number varies depending on |
| // which matcher is used below. If this is violated, then it's possible |
| // for searching to do out-of-bounds writes. |
| </span><span class="macro">assert!</span>(haystack[at..].len() >= <span class="self">self</span>.minimum_len()); |
| <span class="comment">// SAFETY: The various Teddy matchers are always safe to call because |
| // the Teddy builder guarantees that a particular Exec variant is |
| // built only when it can be run the current CPU. That is, the Teddy |
| // builder will not produce a Exec::TeddySlim1Mask256 unless AVX2 is |
| // enabled. That is, our dynamic CPU feature detection is performed |
| // once in the builder, and we rely on the type system to avoid needing |
| // to do it again. |
| </span><span class="kw">unsafe </span>{ |
| <span class="kw">match </span><span class="self">self</span>.exec { |
| Exec::TeddySlim1Mask128(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim1Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddyFat1Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim2Mask128(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim2Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddyFat2Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim3Mask128(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim3Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddyFat3Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim4Mask128(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddySlim4Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| Exec::TeddyFat4Mask256(<span class="kw-2">ref </span>e) => { |
| e.find_at(pats, <span class="self">self</span>, haystack, at) |
| } |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Returns the minimum length of a haystack that must be provided by |
| /// callers to this Teddy searcher. Providing a haystack shorter than this |
| /// will result in a panic, but will never violate memory safety. |
| </span><span class="kw">pub fn </span>minimum_len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="comment">// SAFETY: These values must be correct in order to ensure safety. |
| // The Teddy runtime assumes their haystacks have at least these |
| // lengths. Violating this will sacrifice memory safety. |
| </span><span class="kw">match </span><span class="self">self</span>.exec { |
| Exec::TeddySlim1Mask128(<span class="kw">_</span>) => <span class="number">16</span>, |
| Exec::TeddySlim1Mask256(<span class="kw">_</span>) => <span class="number">32</span>, |
| Exec::TeddyFat1Mask256(<span class="kw">_</span>) => <span class="number">16</span>, |
| Exec::TeddySlim2Mask128(<span class="kw">_</span>) => <span class="number">17</span>, |
| Exec::TeddySlim2Mask256(<span class="kw">_</span>) => <span class="number">33</span>, |
| Exec::TeddyFat2Mask256(<span class="kw">_</span>) => <span class="number">17</span>, |
| Exec::TeddySlim3Mask128(<span class="kw">_</span>) => <span class="number">18</span>, |
| Exec::TeddySlim3Mask256(<span class="kw">_</span>) => <span class="number">34</span>, |
| Exec::TeddyFat3Mask256(<span class="kw">_</span>) => <span class="number">18</span>, |
| Exec::TeddySlim4Mask128(<span class="kw">_</span>) => <span class="number">19</span>, |
| Exec::TeddySlim4Mask256(<span class="kw">_</span>) => <span class="number">35</span>, |
| Exec::TeddyFat4Mask256(<span class="kw">_</span>) => <span class="number">19</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Returns the approximate total amount of heap used by this searcher, in |
| /// units of bytes. |
| </span><span class="kw">pub fn </span>memory_usage(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="kw">let </span>num_patterns = <span class="self">self</span>.max_pattern_id <span class="kw">as </span>usize + <span class="number">1</span>; |
| <span class="self">self</span>.buckets.len() * mem::size_of::<Vec<PatternID>>() |
| + num_patterns * mem::size_of::<PatternID>() |
| } |
| |
| <span class="doccomment">/// Runs the verification routine for Slim 128-bit Teddy. |
| /// |
| /// The candidate given should be a collection of 8-bit bitsets (one bitset |
| /// per lane), where the ith bit is set in the jth lane if and only if the |
| /// byte occurring at `at + j` in `haystack` is in the bucket `i`. |
| /// |
| /// This is not safe to call unless the SSSE3 target feature is enabled. |
| /// The `target_feature` attribute is not applied since this function is |
| /// always forcefully inlined. |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>verify128( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| cand: __m128i, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(!vector::is_all_zeroes128(cand)); |
| <span class="macro">debug_assert_eq!</span>(<span class="number">8</span>, <span class="self">self</span>.buckets.len()); |
| |
| <span class="comment">// Convert the candidate into 64-bit chunks, and then verify each of |
| // those chunks. |
| </span><span class="kw">let </span>parts = vector::unpack64x128(cand); |
| <span class="kw">for </span>(i, <span class="kw-2">&</span>part) <span class="kw">in </span>parts.iter().enumerate() { |
| <span class="kw">let </span>pos = at + i * <span class="number">8</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">8</span>, haystack, pos, part) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="doccomment">/// Runs the verification routine for Slim 256-bit Teddy. |
| /// |
| /// The candidate given should be a collection of 8-bit bitsets (one bitset |
| /// per lane), where the ith bit is set in the jth lane if and only if the |
| /// byte occurring at `at + j` in `haystack` is in the bucket `i`. |
| /// |
| /// This is not safe to call unless the AVX2 target feature is enabled. |
| /// The `target_feature` attribute is not applied since this function is |
| /// always forcefully inlined. |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>verify256( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| cand: __m256i, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(!vector::is_all_zeroes256(cand)); |
| <span class="macro">debug_assert_eq!</span>(<span class="number">8</span>, <span class="self">self</span>.buckets.len()); |
| |
| <span class="comment">// Convert the candidate into 64-bit chunks, and then verify each of |
| // those chunks. |
| </span><span class="kw">let </span>parts = vector::unpack64x256(cand); |
| <span class="kw">let </span><span class="kw-2">mut </span>pos = at; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">8</span>, haystack, pos, parts[<span class="number">0</span>]) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| pos += <span class="number">8</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">8</span>, haystack, pos, parts[<span class="number">1</span>]) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| pos += <span class="number">8</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">8</span>, haystack, pos, parts[<span class="number">2</span>]) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| pos += <span class="number">8</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">8</span>, haystack, pos, parts[<span class="number">3</span>]) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="doccomment">/// Runs the verification routine for Fat 256-bit Teddy. |
| /// |
| /// The candidate given should be a collection of 8-bit bitsets (one bitset |
| /// per lane), where the ith bit is set in the jth lane if and only if the |
| /// byte occurring at `at + (j < 16 ? j : j - 16)` in `haystack` is in the |
| /// bucket `j < 16 ? i : i + 8`. |
| /// |
| /// This is not safe to call unless the AVX2 target feature is enabled. |
| /// The `target_feature` attribute is not applied since this function is |
| /// always forcefully inlined. |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>verify_fat256( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| cand: __m256i, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(!vector::is_all_zeroes256(cand)); |
| <span class="macro">debug_assert_eq!</span>(<span class="number">16</span>, <span class="self">self</span>.buckets.len()); |
| |
| <span class="comment">// This is a bit tricky, but we basically want to convert our |
| // candidate, which looks like this |
| // |
| // a31 a30 ... a17 a16 a15 a14 ... a01 a00 |
| // |
| // where each a(i) is an 8-bit bitset corresponding to the activated |
| // buckets, to this |
| // |
| // a31 a15 a30 a14 a29 a13 ... a18 a02 a17 a01 a16 a00 |
| // |
| // Namely, for Fat Teddy, the high 128-bits of the candidate correspond |
| // to the same bytes in the haystack in the low 128-bits (so we only |
| // scan 16 bytes at a time), but are for buckets 8-15 instead of 0-7. |
| // |
| // The verification routine wants to look at all potentially matching |
| // buckets before moving on to the next lane. So for example, both |
| // a16 and a00 both correspond to the first byte in our window; a00 |
| // contains buckets 0-7 and a16 contains buckets 8-15. Specifically, |
| // a16 should be checked before a01. So the transformation shown above |
| // allows us to use our normal verification procedure with one small |
| // change: we treat each bitset as 16 bits instead of 8 bits. |
| |
| // Swap the 128-bit lanes in the candidate vector. |
| </span><span class="kw">let </span>swap = _mm256_permute4x64_epi64(cand, <span class="number">0x4E</span>); |
| <span class="comment">// Interleave the bytes from the low 128-bit lanes, starting with |
| // cand first. |
| </span><span class="kw">let </span>r1 = _mm256_unpacklo_epi8(cand, swap); |
| <span class="comment">// Interleave the bytes from the high 128-bit lanes, starting with |
| // cand first. |
| </span><span class="kw">let </span>r2 = _mm256_unpackhi_epi8(cand, swap); |
| <span class="comment">// Now just take the 2 low 64-bit integers from both r1 and r2. We |
| // can drop the high 64-bit integers because they are a mirror image |
| // of the low 64-bit integers. All we care about are the low 128-bit |
| // lanes of r1 and r2. Combined, they contain all our 16-bit bitsets |
| // laid out in the desired order, as described above. |
| </span><span class="kw">let </span>parts = vector::unpacklo64x256(r1, r2); |
| <span class="kw">for </span>(i, <span class="kw-2">&</span>part) <span class="kw">in </span>parts.iter().enumerate() { |
| <span class="kw">let </span>pos = at + i * <span class="number">4</span>; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify64(pats, <span class="number">16</span>, haystack, pos, part) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="doccomment">/// Verify whether there are any matches starting at or after `at` in the |
| /// given `haystack`. The candidate given should correspond to either 8-bit |
| /// (for 8 buckets) or 16-bit (16 buckets) bitsets. |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">fn </span>verify64( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| bucket_count: usize, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| <span class="kw-2">mut </span>cand: u64, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="comment">// N.B. While the bucket count is known from self.buckets.len(), |
| // requiring it as a parameter makes it easier for the optimizer to |
| // know its value, and thus produce more efficient codegen. |
| </span><span class="macro">debug_assert!</span>(bucket_count == <span class="number">8 </span>|| bucket_count == <span class="number">16</span>); |
| <span class="kw">while </span>cand != <span class="number">0 </span>{ |
| <span class="kw">let </span>bit = cand.trailing_zeros() <span class="kw">as </span>usize; |
| cand &= !(<span class="number">1 </span><< bit); |
| |
| <span class="kw">let </span>at = at + (bit / bucket_count); |
| <span class="kw">let </span>bucket = bit % bucket_count; |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = <span class="self">self</span>.verify_bucket(pats, haystack, bucket, at) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="doccomment">/// Verify whether there are any matches starting at `at` in the given |
| /// `haystack` corresponding only to patterns in the given bucket. |
| </span><span class="attribute">#[inline(always)] |
| </span><span class="kw">fn </span>verify_bucket( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| haystack: <span class="kw-2">&</span>[u8], |
| bucket: usize, |
| at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="comment">// Forcing this function to not inline and be "cold" seems to help |
| // the codegen for Teddy overall. Interestingly, this is good for a |
| // 16% boost in the sherlock/packed/teddy/name/alt1 benchmark (among |
| // others). Overall, this seems like a problem with codegen, since |
| // creating the Match itself is a very small amount of code. |
| </span><span class="attribute">#[cold] |
| #[inline(never)] |
| </span><span class="kw">fn </span>match_from_span( |
| pati: PatternID, |
| start: usize, |
| end: usize, |
| ) -> Match { |
| Match::must(pati <span class="kw">as </span>usize, start..end) |
| } |
| |
| <span class="comment">// N.B. The bounds check for this bucket lookup *should* be elided |
| // since we assert the number of buckets in each `find_at` routine, |
| // and the compiler can prove that the `% 8` (or `% 16`) in callers |
| // of this routine will always be in bounds. |
| </span><span class="kw">for </span><span class="kw-2">&</span>pati <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.buckets[bucket] { |
| <span class="comment">// SAFETY: This is safe because we are guaranteed that every |
| // index in a Teddy bucket is a valid index into `pats`. This |
| // guarantee is upheld by the assert checking `max_pattern_id` in |
| // the beginning of `find_at` above. |
| // |
| // This explicit bounds check elision is (amazingly) good for a |
| // 25-50% boost in some benchmarks, particularly ones with a lot |
| // of short literals. |
| </span><span class="kw">let </span>pat = <span class="kw">unsafe </span>{ pats.get_unchecked(pati) }; |
| <span class="kw">if </span>pat.is_prefix(<span class="kw-2">&</span>haystack[at..]) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(match_from_span(pati, at, at + pat.len())); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| } |
| |
| <span class="doccomment">/// Exec represents the different search strategies supported by the Teddy |
| /// runtime. |
| /// |
| /// This enum is an important safety abstraction. Namely, callers should only |
| /// construct a variant in this enum if it is safe to execute its corresponding |
| /// target features on the current CPU. The 128-bit searchers require SSSE3, |
| /// while the 256-bit searchers require AVX2. |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub enum </span>Exec { |
| TeddySlim1Mask128(TeddySlim1Mask128), |
| TeddySlim1Mask256(TeddySlim1Mask256), |
| TeddyFat1Mask256(TeddyFat1Mask256), |
| TeddySlim2Mask128(TeddySlim2Mask128), |
| TeddySlim2Mask256(TeddySlim2Mask256), |
| TeddyFat2Mask256(TeddyFat2Mask256), |
| TeddySlim3Mask128(TeddySlim3Mask128), |
| TeddySlim3Mask256(TeddySlim3Mask256), |
| TeddyFat3Mask256(TeddyFat3Mask256), |
| TeddySlim4Mask128(TeddySlim4Mask128), |
| TeddySlim4Mask256(TeddySlim4Mask256), |
| TeddyFat4Mask256(TeddyFat4Mask256), |
| } |
| |
| <span class="comment">// Most of the code below remains undocumented because they are effectively |
| // repeated versions of themselves. The general structure is described in the |
| // README and in the comments above. |
| |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim1Mask128 { |
| <span class="kw">pub </span>mask1: Mask128, |
| } |
| |
| <span class="kw">impl </span>TeddySlim1Mask128 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate(<span class="kw-2">&</span><span class="self">self</span>, haystack: <span class="kw-2">&</span>[u8], at: usize) -> __m128i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu128(haystack, at); |
| members1m128(chunk, <span class="self">self</span>.mask1) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim1Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddySlim1Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">while </span>at <= len - <span class="number">32 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">32</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">32</span>; |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate(<span class="kw-2">&</span><span class="self">self</span>, haystack: <span class="kw-2">&</span>[u8], at: usize) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">32</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu256(haystack, at); |
| members1m256(chunk, <span class="self">self</span>.mask1) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddyFat1Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddyFat1Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">16</span>, teddy.buckets.len()); |
| |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate(<span class="kw-2">&</span><span class="self">self</span>, haystack: <span class="kw-2">&</span>[u8], at: usize) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = |
| _mm256_broadcastsi128_si256(vector::loadu128(haystack, at)); |
| members1m256(chunk, <span class="self">self</span>.mask1) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim2Mask128 { |
| <span class="kw">pub </span>mask1: Mask128, |
| <span class="kw">pub </span>mask2: Mask128, |
| } |
| |
| <span class="kw">impl </span>TeddySlim2Mask128 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">1</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones128(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">1</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones128(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">1</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m128i, |
| ) -> __m128i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu128(haystack, at); |
| <span class="kw">let </span>(res0, res1) = members2m128(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2); |
| <span class="kw">let </span>res0prev0 = _mm_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">15</span>); |
| _mm_and_si128(res0prev0, res1) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim2Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddySlim2Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">1</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones256(); |
| <span class="kw">while </span>at <= len - <span class="number">32 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">1</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">32</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">32</span>; |
| prev0 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">1</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">32</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu256(haystack, at); |
| <span class="kw">let </span>(res0, res1) = members2m256(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2); |
| <span class="kw">let </span>res0prev0 = vector::alignr256_15(res0, <span class="kw-2">*</span>prev0); |
| <span class="kw">let </span>res = _mm256_and_si256(res0prev0, res1); |
| <span class="kw-2">*</span>prev0 = res0; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddyFat2Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddyFat2Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">16</span>, teddy.buckets.len()); |
| |
| at += <span class="number">1</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones256(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">1</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">1</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = |
| _mm256_broadcastsi128_si256(vector::loadu128(haystack, at)); |
| <span class="kw">let </span>(res0, res1) = members2m256(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2); |
| <span class="kw">let </span>res0prev0 = _mm256_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">15</span>); |
| <span class="kw">let </span>res = _mm256_and_si256(res0prev0, res1); |
| <span class="kw-2">*</span>prev0 = res0; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim3Mask128 { |
| <span class="kw">pub </span>mask1: Mask128, |
| <span class="kw">pub </span>mask2: Mask128, |
| <span class="kw">pub </span>mask3: Mask128, |
| } |
| |
| <span class="kw">impl </span>TeddySlim3Mask128 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">2</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span>(<span class="kw-2">mut </span>prev0, <span class="kw-2">mut </span>prev1) = (vector::ones128(), vector::ones128()); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">2</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones128(); |
| prev1 = vector::ones128(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">2</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m128i, |
| prev1: <span class="kw-2">&mut </span>__m128i, |
| ) -> __m128i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu128(haystack, at); |
| <span class="kw">let </span>(res0, res1, res2) = |
| members3m128(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3); |
| <span class="kw">let </span>res0prev0 = _mm_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">14</span>); |
| <span class="kw">let </span>res1prev1 = _mm_alignr_epi8(res1, <span class="kw-2">*</span>prev1, <span class="number">15</span>); |
| <span class="kw">let </span>res = _mm_and_si128(_mm_and_si128(res0prev0, res1prev1), res2); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim3Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| <span class="kw">pub </span>mask3: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddySlim3Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">2</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span>(<span class="kw-2">mut </span>prev0, <span class="kw-2">mut </span>prev1) = (vector::ones256(), vector::ones256()); |
| <span class="kw">while </span>at <= len - <span class="number">32 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">2</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">32</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">32</span>; |
| prev0 = vector::ones256(); |
| prev1 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">2</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| prev1: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">32</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu256(haystack, at); |
| <span class="kw">let </span>(res0, res1, res2) = |
| members3m256(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3); |
| <span class="kw">let </span>res0prev0 = vector::alignr256_14(res0, <span class="kw-2">*</span>prev0); |
| <span class="kw">let </span>res1prev1 = vector::alignr256_15(res1, <span class="kw-2">*</span>prev1); |
| <span class="kw">let </span>res = |
| _mm256_and_si256(_mm256_and_si256(res0prev0, res1prev1), res2); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddyFat3Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| <span class="kw">pub </span>mask3: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddyFat3Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">16</span>, teddy.buckets.len()); |
| |
| at += <span class="number">2</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span>(<span class="kw-2">mut </span>prev0, <span class="kw-2">mut </span>prev1) = (vector::ones256(), vector::ones256()); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">2</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones256(); |
| prev1 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self</span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">2</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| prev1: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = |
| _mm256_broadcastsi128_si256(vector::loadu128(haystack, at)); |
| <span class="kw">let </span>(res0, res1, res2) = |
| members3m256(chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3); |
| <span class="kw">let </span>res0prev0 = _mm256_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">14</span>); |
| <span class="kw">let </span>res1prev1 = _mm256_alignr_epi8(res1, <span class="kw-2">*</span>prev1, <span class="number">15</span>); |
| <span class="kw">let </span>res = |
| _mm256_and_si256(_mm256_and_si256(res0prev0, res1prev1), res2); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim4Mask128 { |
| <span class="kw">pub </span>mask1: Mask128, |
| <span class="kw">pub </span>mask2: Mask128, |
| <span class="kw">pub </span>mask3: Mask128, |
| <span class="kw">pub </span>mask4: Mask128, |
| } |
| |
| <span class="kw">impl </span>TeddySlim4Mask128 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">3</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones128(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev1 = vector::ones128(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev2 = vector::ones128(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">3</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones128(); |
| prev1 = vector::ones128(); |
| prev2 = vector::ones128(); |
| |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes128(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify128(pats, haystack, at - <span class="number">3</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m128i, |
| prev1: <span class="kw-2">&mut </span>__m128i, |
| prev2: <span class="kw-2">&mut </span>__m128i, |
| ) -> __m128i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu128(haystack, at); |
| <span class="kw">let </span>(res0, res1, res2, res3) = members4m128( |
| chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3, <span class="self">self</span>.mask4, |
| ); |
| <span class="kw">let </span>res0prev0 = _mm_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">13</span>); |
| <span class="kw">let </span>res1prev1 = _mm_alignr_epi8(res1, <span class="kw-2">*</span>prev1, <span class="number">14</span>); |
| <span class="kw">let </span>res2prev2 = _mm_alignr_epi8(res2, <span class="kw-2">*</span>prev2, <span class="number">15</span>); |
| <span class="kw">let </span>res = _mm_and_si128( |
| _mm_and_si128(_mm_and_si128(res0prev0, res1prev1), res2prev2), |
| res3, |
| ); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| <span class="kw-2">*</span>prev2 = res2; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddySlim4Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| <span class="kw">pub </span>mask3: Mask256, |
| <span class="kw">pub </span>mask4: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddySlim4Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">8</span>, teddy.buckets.len()); |
| |
| at += <span class="number">3</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones256(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev1 = vector::ones256(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev2 = vector::ones256(); |
| <span class="kw">while </span>at <= len - <span class="number">32 </span>{ |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">3</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">32</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">32</span>; |
| prev0 = vector::ones256(); |
| prev1 = vector::ones256(); |
| prev2 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify256(pats, haystack, at - <span class="number">3</span>, c) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| prev1: <span class="kw-2">&mut </span>__m256i, |
| prev2: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">32</span>); |
| |
| <span class="kw">let </span>chunk = vector::loadu256(haystack, at); |
| <span class="kw">let </span>(res0, res1, res2, res3) = members4m256( |
| chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3, <span class="self">self</span>.mask4, |
| ); |
| <span class="kw">let </span>res0prev0 = vector::alignr256_13(res0, <span class="kw-2">*</span>prev0); |
| <span class="kw">let </span>res1prev1 = vector::alignr256_14(res1, <span class="kw-2">*</span>prev1); |
| <span class="kw">let </span>res2prev2 = vector::alignr256_15(res2, <span class="kw-2">*</span>prev2); |
| <span class="kw">let </span>res = _mm256_and_si256( |
| _mm256_and_si256( |
| _mm256_and_si256(res0prev0, res1prev1), |
| res2prev2, |
| ), |
| res3, |
| ); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| <span class="kw-2">*</span>prev2 = res2; |
| res |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>TeddyFat4Mask256 { |
| <span class="kw">pub </span>mask1: Mask256, |
| <span class="kw">pub </span>mask2: Mask256, |
| <span class="kw">pub </span>mask3: Mask256, |
| <span class="kw">pub </span>mask4: Mask256, |
| } |
| |
| <span class="kw">impl </span>TeddyFat4Mask256 { |
| <span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>find_at( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| pats: <span class="kw-2">&</span>Patterns, |
| teddy: <span class="kw-2">&</span>Teddy, |
| haystack: <span class="kw-2">&</span>[u8], |
| <span class="kw-2">mut </span>at: usize, |
| ) -> <span class="prelude-ty">Option</span><Match> { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= teddy.minimum_len()); |
| <span class="comment">// This assert helps eliminate bounds checks for bucket lookups in |
| // Teddy::verify_bucket, which has a small (3-4%) performance boost. |
| </span><span class="macro">assert_eq!</span>(<span class="number">16</span>, teddy.buckets.len()); |
| |
| at += <span class="number">3</span>; |
| <span class="kw">let </span>len = haystack.len(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev0 = vector::ones256(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev1 = vector::ones256(); |
| <span class="kw">let </span><span class="kw-2">mut </span>prev2 = vector::ones256(); |
| <span class="kw">while </span>at <= len - <span class="number">16 </span>{ |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">3</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| at += <span class="number">16</span>; |
| } |
| <span class="kw">if </span>at < len { |
| at = len - <span class="number">16</span>; |
| prev0 = vector::ones256(); |
| prev1 = vector::ones256(); |
| prev2 = vector::ones256(); |
| |
| <span class="kw">let </span>c = <span class="self">self |
| </span>.candidate(haystack, at, <span class="kw-2">&mut </span>prev0, <span class="kw-2">&mut </span>prev1, <span class="kw-2">&mut </span>prev2); |
| <span class="kw">if </span>!vector::is_all_zeroes256(c) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(m) = teddy.verify_fat256(pats, haystack, at - <span class="number">3</span>, c) |
| { |
| <span class="kw">return </span><span class="prelude-val">Some</span>(m); |
| } |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">unsafe fn </span>candidate( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| haystack: <span class="kw-2">&</span>[u8], |
| at: usize, |
| prev0: <span class="kw-2">&mut </span>__m256i, |
| prev1: <span class="kw-2">&mut </span>__m256i, |
| prev2: <span class="kw-2">&mut </span>__m256i, |
| ) -> __m256i { |
| <span class="macro">debug_assert!</span>(haystack[at..].len() >= <span class="number">16</span>); |
| |
| <span class="kw">let </span>chunk = |
| _mm256_broadcastsi128_si256(vector::loadu128(haystack, at)); |
| <span class="kw">let </span>(res0, res1, res2, res3) = members4m256( |
| chunk, <span class="self">self</span>.mask1, <span class="self">self</span>.mask2, <span class="self">self</span>.mask3, <span class="self">self</span>.mask4, |
| ); |
| <span class="kw">let </span>res0prev0 = _mm256_alignr_epi8(res0, <span class="kw-2">*</span>prev0, <span class="number">13</span>); |
| <span class="kw">let </span>res1prev1 = _mm256_alignr_epi8(res1, <span class="kw-2">*</span>prev1, <span class="number">14</span>); |
| <span class="kw">let </span>res2prev2 = _mm256_alignr_epi8(res2, <span class="kw-2">*</span>prev2, <span class="number">15</span>); |
| <span class="kw">let </span>res = _mm256_and_si256( |
| _mm256_and_si256( |
| _mm256_and_si256(res0prev0, res1prev1), |
| res2prev2, |
| ), |
| res3, |
| ); |
| <span class="kw-2">*</span>prev0 = res0; |
| <span class="kw-2">*</span>prev1 = res1; |
| <span class="kw-2">*</span>prev2 = res2; |
| res |
| } |
| } |
| |
| <span class="doccomment">/// A 128-bit mask for the low and high nybbles in a set of patterns. Each |
| /// lane `j` corresponds to a bitset where the `i`th bit is set if and only if |
| /// the nybble `j` is in the bucket `i` at a particular position. |
| </span><span class="attribute">#[derive(Clone, Copy, Debug)] |
| </span><span class="kw">pub struct </span>Mask128 { |
| lo: __m128i, |
| hi: __m128i, |
| } |
| |
| <span class="kw">impl </span>Mask128 { |
| <span class="doccomment">/// Create a new SIMD mask from the mask produced by the Teddy builder. |
| </span><span class="kw">pub fn </span>new(mask: compile::Mask) -> Mask128 { |
| <span class="comment">// SAFETY: This is safe since [u8; 16] has the same representation |
| // as __m128i. |
| </span><span class="kw">unsafe </span>{ |
| Mask128 { |
| lo: mem::transmute(mask.lo128()), |
| hi: mem::transmute(mask.hi128()), |
| } |
| } |
| } |
| } |
| |
| <span class="doccomment">/// A 256-bit mask for the low and high nybbles in a set of patterns. Each |
| /// lane `j` corresponds to a bitset where the `i`th bit is set if and only if |
| /// the nybble `j` is in the bucket `i` at a particular position. |
| /// |
| /// This is slightly tweaked dependending on whether Slim or Fat Teddy is being |
| /// used. For Slim Teddy, the bitsets in the lower 128-bits are the same as |
| /// the bitsets in the higher 128-bits, so that we can search 32 bytes at a |
| /// time. (Remember, the nybbles in the haystack are used as indices into these |
| /// masks, and 256-bit shuffles only operate on 128-bit lanes.) |
| /// |
| /// For Fat Teddy, the bitsets are not repeated, but instead, the high 128 |
| /// bits correspond to buckets 8-15. So that a bitset `00100010` has buckets |
| /// 1 and 5 set if it's in the lower 128 bits, but has buckets 9 and 13 set |
| /// if it's in the higher 128 bits. |
| </span><span class="attribute">#[derive(Clone, Copy, Debug)] |
| </span><span class="kw">pub struct </span>Mask256 { |
| lo: __m256i, |
| hi: __m256i, |
| } |
| |
| <span class="kw">impl </span>Mask256 { |
| <span class="doccomment">/// Create a new SIMD mask from the mask produced by the Teddy builder. |
| </span><span class="kw">pub fn </span>new(mask: compile::Mask) -> Mask256 { |
| <span class="comment">// SAFETY: This is safe since [u8; 32] has the same representation |
| // as __m256i. |
| </span><span class="kw">unsafe </span>{ |
| Mask256 { |
| lo: mem::transmute(mask.lo256()), |
| hi: mem::transmute(mask.hi256()), |
| } |
| } |
| } |
| } |
| |
| <span class="comment">// The "members" routines below are responsible for taking a chunk of bytes, |
| // a number of nybble masks and returning the result of using the masks to |
| // lookup bytes in the chunk. The results of the high and low nybble masks are |
| // AND'ed together, such that each candidate returned is a vector, with byte |
| // sized lanes, and where each lane is an 8-bit bitset corresponding to the |
| // buckets that contain the corresponding byte. |
| // |
| // In the case of masks of length greater than 1, callers will need to keep |
| // the results from the previous haystack's window, and then shift the vectors |
| // so that they all line up. Then they can be AND'ed together. |
| |
| </span><span class="doccomment">/// Return a candidate for Slim 128-bit Teddy, where `chunk` corresponds to a |
| /// 16-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and `mask1` corresponds to a |
| /// low/high mask for the first byte of all patterns that are being searched. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>members1m128(chunk: __m128i, mask1: Mask128) -> __m128i { |
| <span class="kw">let </span>lomask = _mm_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm_and_si128(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm_and_si128(_mm_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| _mm_and_si128( |
| _mm_shuffle_epi8(mask1.lo, hlo), |
| _mm_shuffle_epi8(mask1.hi, hhi), |
| ) |
| } |
| |
| <span class="doccomment">/// Return a candidate for Slim 256-bit Teddy, where `chunk` corresponds to a |
| /// 32-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and `mask1` corresponds to a |
| /// low/high mask for the first byte of all patterns that are being searched. |
| /// |
| /// Note that this can also be used for Fat Teddy, where the high 128 bits in |
| /// `chunk` is the same as the low 128 bits, which corresponds to a 16 byte |
| /// window in the haystack. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>members1m256(chunk: __m256i, mask1: Mask256) -> __m256i { |
| <span class="kw">let </span>lomask = _mm256_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm256_and_si256(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm256_and_si256(_mm256_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| _mm256_and_si256( |
| _mm256_shuffle_epi8(mask1.lo, hlo), |
| _mm256_shuffle_epi8(mask1.hi, hhi), |
| ) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 128-bit Teddy, where `chunk` corresponds |
| /// to a 16-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first and second bytes of all patterns that are being |
| /// searched. The vectors returned correspond to candidates for the first and |
| /// second bytes in the patterns represented by the masks. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>members2m128( |
| chunk: __m128i, |
| mask1: Mask128, |
| mask2: Mask128, |
| ) -> (__m128i, __m128i) { |
| <span class="kw">let </span>lomask = _mm_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm_and_si128(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm_and_si128(_mm_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm_and_si128( |
| _mm_shuffle_epi8(mask1.lo, hlo), |
| _mm_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm_and_si128( |
| _mm_shuffle_epi8(mask2.lo, hlo), |
| _mm_shuffle_epi8(mask2.hi, hhi), |
| ); |
| (res0, res1) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 256-bit Teddy, where `chunk` corresponds |
| /// to a 32-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first and second bytes of all patterns that are being |
| /// searched. The vectors returned correspond to candidates for the first and |
| /// second bytes in the patterns represented by the masks. |
| /// |
| /// Note that this can also be used for Fat Teddy, where the high 128 bits in |
| /// `chunk` is the same as the low 128 bits, which corresponds to a 16 byte |
| /// window in the haystack. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>members2m256( |
| chunk: __m256i, |
| mask1: Mask256, |
| mask2: Mask256, |
| ) -> (__m256i, __m256i) { |
| <span class="kw">let </span>lomask = _mm256_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm256_and_si256(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm256_and_si256(_mm256_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask1.lo, hlo), |
| _mm256_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask2.lo, hlo), |
| _mm256_shuffle_epi8(mask2.hi, hhi), |
| ); |
| (res0, res1) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 128-bit Teddy, where `chunk` corresponds |
| /// to a 16-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first, second and third bytes of all patterns that |
| /// are being searched. The vectors returned correspond to candidates for the |
| /// first, second and third bytes in the patterns represented by the masks. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>members3m128( |
| chunk: __m128i, |
| mask1: Mask128, |
| mask2: Mask128, |
| mask3: Mask128, |
| ) -> (__m128i, __m128i, __m128i) { |
| <span class="kw">let </span>lomask = _mm_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm_and_si128(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm_and_si128(_mm_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm_and_si128( |
| _mm_shuffle_epi8(mask1.lo, hlo), |
| _mm_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm_and_si128( |
| _mm_shuffle_epi8(mask2.lo, hlo), |
| _mm_shuffle_epi8(mask2.hi, hhi), |
| ); |
| <span class="kw">let </span>res2 = _mm_and_si128( |
| _mm_shuffle_epi8(mask3.lo, hlo), |
| _mm_shuffle_epi8(mask3.hi, hhi), |
| ); |
| (res0, res1, res2) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 256-bit Teddy, where `chunk` corresponds |
| /// to a 32-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first, second and third bytes of all patterns that |
| /// are being searched. The vectors returned correspond to candidates for the |
| /// first, second and third bytes in the patterns represented by the masks. |
| /// |
| /// Note that this can also be used for Fat Teddy, where the high 128 bits in |
| /// `chunk` is the same as the low 128 bits, which corresponds to a 16 byte |
| /// window in the haystack. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>members3m256( |
| chunk: __m256i, |
| mask1: Mask256, |
| mask2: Mask256, |
| mask3: Mask256, |
| ) -> (__m256i, __m256i, __m256i) { |
| <span class="kw">let </span>lomask = _mm256_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm256_and_si256(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm256_and_si256(_mm256_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask1.lo, hlo), |
| _mm256_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask2.lo, hlo), |
| _mm256_shuffle_epi8(mask2.hi, hhi), |
| ); |
| <span class="kw">let </span>res2 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask3.lo, hlo), |
| _mm256_shuffle_epi8(mask3.hi, hhi), |
| ); |
| (res0, res1, res2) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 128-bit Teddy, where `chunk` corresponds |
| /// to a 16-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first, second, third and fourth bytes of all patterns |
| /// that are being searched. The vectors returned correspond to candidates for |
| /// the first, second, third and fourth bytes in the patterns represented by |
| /// the masks. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"ssse3"</span>)] |
| </span><span class="kw">unsafe fn </span>members4m128( |
| chunk: __m128i, |
| mask1: Mask128, |
| mask2: Mask128, |
| mask3: Mask128, |
| mask4: Mask128, |
| ) -> (__m128i, __m128i, __m128i, __m128i) { |
| <span class="kw">let </span>lomask = _mm_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm_and_si128(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm_and_si128(_mm_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm_and_si128( |
| _mm_shuffle_epi8(mask1.lo, hlo), |
| _mm_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm_and_si128( |
| _mm_shuffle_epi8(mask2.lo, hlo), |
| _mm_shuffle_epi8(mask2.hi, hhi), |
| ); |
| <span class="kw">let </span>res2 = _mm_and_si128( |
| _mm_shuffle_epi8(mask3.lo, hlo), |
| _mm_shuffle_epi8(mask3.hi, hhi), |
| ); |
| <span class="kw">let </span>res3 = _mm_and_si128( |
| _mm_shuffle_epi8(mask4.lo, hlo), |
| _mm_shuffle_epi8(mask4.hi, hhi), |
| ); |
| (res0, res1, res2, res3) |
| } |
| |
| <span class="doccomment">/// Return candidates for Slim 256-bit Teddy, where `chunk` corresponds |
| /// to a 32-byte window of the haystack (where the least significant byte |
| /// corresponds to the start of the window), and the masks correspond to a |
| /// low/high mask for the first, second, third and fourth bytes of all patterns |
| /// that are being searched. The vectors returned correspond to candidates for |
| /// the first, second, third and fourth bytes in the patterns represented by |
| /// the masks. |
| /// |
| /// Note that this can also be used for Fat Teddy, where the high 128 bits in |
| /// `chunk` is the same as the low 128 bits, which corresponds to a 16 byte |
| /// window in the haystack. |
| </span><span class="attribute">#[target_feature(enable = <span class="string">"avx2"</span>)] |
| </span><span class="kw">unsafe fn </span>members4m256( |
| chunk: __m256i, |
| mask1: Mask256, |
| mask2: Mask256, |
| mask3: Mask256, |
| mask4: Mask256, |
| ) -> (__m256i, __m256i, __m256i, __m256i) { |
| <span class="kw">let </span>lomask = _mm256_set1_epi8(<span class="number">0xF</span>); |
| <span class="kw">let </span>hlo = _mm256_and_si256(chunk, lomask); |
| <span class="kw">let </span>hhi = _mm256_and_si256(_mm256_srli_epi16(chunk, <span class="number">4</span>), lomask); |
| <span class="kw">let </span>res0 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask1.lo, hlo), |
| _mm256_shuffle_epi8(mask1.hi, hhi), |
| ); |
| <span class="kw">let </span>res1 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask2.lo, hlo), |
| _mm256_shuffle_epi8(mask2.hi, hhi), |
| ); |
| <span class="kw">let </span>res2 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask3.lo, hlo), |
| _mm256_shuffle_epi8(mask3.hi, hhi), |
| ); |
| <span class="kw">let </span>res3 = _mm256_and_si256( |
| _mm256_shuffle_epi8(mask4.lo, hlo), |
| _mm256_shuffle_epi8(mask4.hi, hhi), |
| ); |
| (res0, res1, res2, res3) |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="aho_corasick" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |