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<a href="string-search-benchmark_8cc.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="benchmark_8h.html">util/benchmark.h</a>&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="cpu-info_8h.html">util/cpu-info.h</a>&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="string-search_8h.html">runtime/string-search.h</a>&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="string-search-sse_8h.html">experiments/string-search-sse.h</a>&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="names_8h.html">common/names.h</a>&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">using namespace </span>impala;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="comment">// Benchmark tests for string search. This is probably a science of its own</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="comment">// but we&#39;ll run some simple tests. (We can&#39;t use libc strstr because our</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// strings are not null-terminated and also, it&#39;s not that fast).</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// Results:</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="comment">// String Search: Function Rate Comparison</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// ----------------------------------------------------------------------</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// Python 81.93 1X</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment">// LibC 262.2 3.201X</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// Null Terminated SSE 212.4 2.592X</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// Non-null Terminated SSE 139.6 1.704X</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">struct </span><a class="code" href="structTestData.html">TestData</a> {</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b"> 39</a></span>&#160; vector&lt;StringValue&gt; <a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca"> 40</a></span>&#160; vector&lt;StringValue&gt; <a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>;</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec"> 41</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structTestData.html#a56a2f5af5052a747a659134a2f85685a"> 42</a></span>&#160; vector&lt;string&gt; <a class="code" href="structTestData.html#a56a2f5af5052a747a659134a2f85685a">strings</a>; <span class="comment">// Memory store for allocated strings</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;};</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#aa5a5f95c2b5174f269d2b8a7d36dd233"> 45</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="string-search-benchmark_8cc.html#aa5a5f95c2b5174f269d2b8a7d36dd233">TestLibc</a>(<span class="keywordtype">int</span> batch_size, <span class="keywordtype">void</span>* d) {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="structTestData.html">TestData</a>* data = <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="structTestData.html">TestData</a>*<span class="keyword">&gt;</span>(d);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; batch_size; ++i) {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a> = 0;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n &lt; data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>.size(); ++n) {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">char</span>* needle = data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>[n].ptr;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iters = 0; iters &lt; 10; ++iters) {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> h = 0; h &lt; data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>.size(); ++h) {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">if</span> (strstr(data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>[h].ptr, needle) != NULL) {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; ++data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; }</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#a083154d380aa835fe2a976560b78dfec"> 62</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="string-search-benchmark_8cc.html#a083154d380aa835fe2a976560b78dfec">TestPython</a>(<span class="keywordtype">int</span> batch_size, <span class="keywordtype">void</span>* d) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="code" href="structTestData.html">TestData</a>* data = <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="structTestData.html">TestData</a>*<span class="keyword">&gt;</span>(d);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; batch_size; ++i) {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a> = 0;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n &lt; data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>.size(); ++n) {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <a class="code" href="classimpala_1_1StringSearch.html">StringSearch</a> needle(&amp;(data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>[n]));</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iters = 0; iters &lt; 10; ++iters) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> h = 0; h &lt; data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>.size(); ++h) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> (needle.<a class="code" href="classimpala_1_1StringSearch.html#a4ab30c893cd9036d6ae5684e91b19012">Search</a>(&amp;(data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>[h])) != -1) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; ++data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;}</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#a937c445613f65b37eccd92bc85ed5bff"> 79</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="string-search-benchmark_8cc.html#a937c445613f65b37eccd92bc85ed5bff">TestImpalaNullTerminated</a>(<span class="keywordtype">int</span> batch_size, <span class="keywordtype">void</span>* d) {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <a class="code" href="structTestData.html">TestData</a>* data = <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="structTestData.html">TestData</a>*<span class="keyword">&gt;</span>(d);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; batch_size; ++i) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a> = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n &lt; data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>.size(); ++n) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// Exercise the null-terminated path.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <a class="code" href="classimpala_1_1StringSearchSSE.html">StringSearchSSE</a> needle(data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>[n].ptr);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iters = 0; iters &lt; 10; ++iters) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> h = 0; h &lt; data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>.size(); ++h) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">if</span> (needle.<a class="code" href="classimpala_1_1StringSearchSSE.html#ac22795d8ec86eec8604ad078d87c5ab3">Search</a>(data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>[h]) != -1) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; ++data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#aa565a1c65e9905a7c77c4264a8f1a41f"> 97</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="string-search-benchmark_8cc.html#aa565a1c65e9905a7c77c4264a8f1a41f">TestImpalaNonNullTerminated</a>(<span class="keywordtype">int</span> batch_size, <span class="keywordtype">void</span>* d) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="structTestData.html">TestData</a>* data = <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="structTestData.html">TestData</a>*<span class="keyword">&gt;</span>(d);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; batch_size; ++i) {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a> = 0;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n &lt; data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>.size(); ++n) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="comment">// Exercise the non null-terminated path.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="code" href="classimpala_1_1StringSearchSSE.html">StringSearchSSE</a> needle(&amp;(data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>[n]));</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> iters = 0; iters &lt; 10; ++iters) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> h = 0; h &lt; data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>.size(); ++h) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">if</span> (needle.<a class="code" href="classimpala_1_1StringSearchSSE.html#ac22795d8ec86eec8604ad078d87c5ab3">Search</a>(data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>[h]) != -1) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; ++data-&gt;<a class="code" href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">matches</a>;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;}</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="comment">// This should be tailored to represent the data we expect.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="comment">// Some algos are better suited for longer vs shorter needles, finding the string vs.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="comment">// not finding the string, etc.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="comment">// For now, pick data that mimicks the grep data set.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#a02c222cea68f39fa0c868e0eb535792c"> 119</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="string-search-benchmark_8cc.html#a02c222cea68f39fa0c868e0eb535792c">InitTestData</a>(<a class="code" href="structTestData.html">TestData</a>* data) {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; vector&lt;string&gt; needles;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; vector&lt;string&gt; haystacks;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; needles.push_back(<span class="stringliteral">&quot;xyz&quot;</span>);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// From a random password generator:</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">// https://www.grc.com/passwords.htm</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;d1h2POju5AG3zCxiBNKBxdzLdW7VfPkgvHDRLK2o78pGu4eywZ5mmmsV1LscqIH&quot;</span>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;Xv7rmDx3ksECRPg94mPLI1gQjRIviZNINZwbDsvcyNAf7q4pzGQ6JHUqYHxFk0x&quot;</span>);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;cI8f2V9cYjmE70ruUeST9Arty7B8iKLiF4DaXhY4nF7OmXZOKRBVPd5cmjxiDRw&quot;</span>);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;3cb7QCWJ7QzNSwaXQQIByo7is1b3YPTx9u0ZmRV0IJEKJE2z2oMaKgzeA1ny7hx&quot;</span>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;teRFhdOc5HrGvXUo1yGZSUc46hCVLjVzGaK37vfGAsuCpiji2R4YQ7Y4FN2O3lu&quot;</span>);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;xecRm4HYLTfhQgPQHTIhWQKNGJcAUYCziDJQlbAitVHC9ClbbcEkVrXsFSpVrx9&quot;</span>);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;M1k4su3sxpcBl8SQgnF6LOD1fNjTrQQW84vLofF39IbY4gTVpsHIlon8mbJ74D7&quot;</span>);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;dMROjEop61WoHNSegkiw7o1uIM5xgccf9SRhIEOnq9CoM7e0KatpjAmGLlANggK&quot;</span>);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;OIPM3iTT40sSkCTfDOjK4BSHZvV0xazTXarwYhyQEu5aGn7XeCABezJhbO1X8rr&quot;</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;0YyLBoITUS7Mxfo3o44j4eEdWqwx6Um5EkUzIo7c0ETYfnkcaHsYcpT5Xn3coyE&quot;</span>);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;LzOFXp8ekVkeBy6Br9rRefzDDA30SLkvV3gGochoKGUkS0oj9fANBfOSBeyNypm&quot;</span>);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;uYDMZ4SNIh6XwBQcGCS3AQ5h5c2iyaPS70r4emPheC3hQhM84zwsMovByLNecTW&quot;</span>);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;EFY8GtkUkXRJQr3ZjANKhUFXTmnA2S4V6hTKeeskQhlUA65lTCO0PpyZxL8kyVE&quot;</span>);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;fgU8K01JtTn3UldvO9jAywDEN4HW5PwCFEJ4pwSwHfec6HsBN5rzzhQ2Tn4QDxE&quot;</span>);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;TMLE6UzW3CUUogfRFjZooP1eCZn05bI6NsWL67fOmwYhZND1nuAASG0ZhGFBdZH&quot;</span>);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// Contains the key in the beginning/middle/end</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;of9VxyzzWca0GBs8CrFsDIvi8yWCkRTRRL7X4TlMhPfRAWPOZfRVwybJoYQhslJ&quot;</span>);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;iEO7zz7wWm4LmvumisOwPRUzv9xyzhI7omKDlLYM7Vao9pggACVgDJBhAzDkcJp&quot;</span>);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;tQJzS0SiXRElwq1QEBhy0gGGii9xAcQbTIrt4QcGMViyOx4lfZ73zZ5XHxyzk1V&quot;</span>);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; haystacks.push_back(<span class="stringliteral">&quot;tQJzS0SiXRElwq1QEBhy0gGGii9xAcQbTIrt4QcGMViyOx4lfZ73zZ5XHyzaxyz&quot;</span>);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; needles.size(); ++i) {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <a class="code" href="structimpala_1_1StringValue.html">StringValue</a> v(const_cast&lt;char*&gt;(needles[i].c_str()), needles[i].size());</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; data-&gt;<a class="code" href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">needles</a>.push_back(v);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; data-&gt;<a class="code" href="structTestData.html#a56a2f5af5052a747a659134a2f85685a">strings</a>.push_back(needles[i]);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; haystacks.size(); ++i) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="structimpala_1_1StringValue.html">StringValue</a> v(const_cast&lt;char*&gt;(haystacks[i].c_str()), haystacks[i].size());</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; data-&gt;<a class="code" href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">haystacks</a>.push_back(v);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; data-&gt;<a class="code" href="structTestData.html#a56a2f5af5052a747a659134a2f85685a">strings</a>.push_back(haystacks[i]);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;}</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160;</div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="string-search-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627"> 161</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="string-search-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="code" href="classimpala_1_1CpuInfo.html#ab63b1a50201fc23934e209f407945674">CpuInfo::Init</a>();</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; cout &lt;&lt; <a class="code" href="classimpala_1_1Benchmark.html#ac53e3e80108cf70e1ecd6a391bcbec0e">Benchmark::GetMachineInfo</a>() &lt;&lt; endl;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <a class="code" href="structTestData.html">TestData</a> data;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <a class="code" href="string-search-benchmark_8cc.html#a02c222cea68f39fa0c868e0eb535792c">InitTestData</a>(&amp;data);</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <a class="code" href="classimpala_1_1Benchmark.html">Benchmark</a> suite(<span class="stringliteral">&quot;String Search&quot;</span>);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; suite.<a class="code" href="classimpala_1_1Benchmark.html#a34f4f9c4d1f8feff842fdb3dfd753086">AddBenchmark</a>(<span class="stringliteral">&quot;Python&quot;</span>, <a class="code" href="string-search-benchmark_8cc.html#a083154d380aa835fe2a976560b78dfec">TestPython</a>, &amp;data);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; suite.<a class="code" href="classimpala_1_1Benchmark.html#a34f4f9c4d1f8feff842fdb3dfd753086">AddBenchmark</a>(<span class="stringliteral">&quot;LibC&quot;</span>, <a class="code" href="string-search-benchmark_8cc.html#aa5a5f95c2b5174f269d2b8a7d36dd233">TestLibc</a>, &amp;data);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; suite.<a class="code" href="classimpala_1_1Benchmark.html#a34f4f9c4d1f8feff842fdb3dfd753086">AddBenchmark</a>(<span class="stringliteral">&quot;Null Terminated SSE&quot;</span>, <a class="code" href="string-search-benchmark_8cc.html#a937c445613f65b37eccd92bc85ed5bff">TestImpalaNullTerminated</a>, &amp;data);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; suite.<a class="code" href="classimpala_1_1Benchmark.html#a34f4f9c4d1f8feff842fdb3dfd753086">AddBenchmark</a>(<span class="stringliteral">&quot;Non-null Terminated SSE&quot;</span>, <a class="code" href="string-search-benchmark_8cc.html#aa565a1c65e9905a7c77c4264a8f1a41f">TestImpalaNonNullTerminated</a>, &amp;data);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; cout &lt;&lt; suite.<a class="code" href="classimpala_1_1Benchmark.html#a50a87fc22ee0a88a818b8b310fbad183">Measure</a>();</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;}</div>
<div class="ttc" id="classimpala_1_1Benchmark_html_a34f4f9c4d1f8feff842fdb3dfd753086"><div class="ttname"><a href="classimpala_1_1Benchmark.html#a34f4f9c4d1f8feff842fdb3dfd753086">impala::Benchmark::AddBenchmark</a></div><div class="ttdeci">int AddBenchmark(const std::string &amp;name, BenchmarkFunction fn, void *args, int baseline_idx=0)</div><div class="ttdef"><b>Definition:</b> <a href="benchmark_8cc_source.html#l00070">benchmark.cc:70</a></div></div>
<div class="ttc" id="classimpala_1_1Benchmark_html"><div class="ttname"><a href="classimpala_1_1Benchmark.html">impala::Benchmark</a></div><div class="ttdef"><b>Definition:</b> <a href="benchmark_8h_source.html#l00031">benchmark.h:31</a></div></div>
<div class="ttc" id="classimpala_1_1StringSearchSSE_html"><div class="ttname"><a href="classimpala_1_1StringSearchSSE.html">impala::StringSearchSSE</a></div><div class="ttdef"><b>Definition:</b> <a href="string-search-sse_8h_source.html#l00018">string-search-sse.h:18</a></div></div>
<div class="ttc" id="structimpala_1_1StringValue_html"><div class="ttname"><a href="structimpala_1_1StringValue.html">impala::StringValue</a></div><div class="ttdef"><b>Definition:</b> <a href="string-value_8h_source.html#l00033">string-value.h:33</a></div></div>
<div class="ttc" id="classimpala_1_1Benchmark_html_ac53e3e80108cf70e1ecd6a391bcbec0e"><div class="ttname"><a href="classimpala_1_1Benchmark.html#ac53e3e80108cf70e1ecd6a391bcbec0e">impala::Benchmark::GetMachineInfo</a></div><div class="ttdeci">static std::string GetMachineInfo()</div><div class="ttdoc">Output machine/build configuration as a string. </div><div class="ttdef"><b>Definition:</b> <a href="benchmark_8cc_source.html#l00124">benchmark.cc:124</a></div></div>
<div class="ttc" id="classimpala_1_1StringSearch_html_a4ab30c893cd9036d6ae5684e91b19012"><div class="ttname"><a href="classimpala_1_1StringSearch.html#a4ab30c893cd9036d6ae5684e91b19012">impala::StringSearch::Search</a></div><div class="ttdeci">int Search(const StringValue *str) const </div><div class="ttdef"><b>Definition:</b> <a href="string-search_8h_source.html#l00110">string-search.h:110</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_a937c445613f65b37eccd92bc85ed5bff"><div class="ttname"><a href="string-search-benchmark_8cc.html#a937c445613f65b37eccd92bc85ed5bff">TestImpalaNullTerminated</a></div><div class="ttdeci">void TestImpalaNullTerminated(int batch_size, void *d)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00079">string-search-benchmark.cc:79</a></div></div>
<div class="ttc" id="classimpala_1_1StringSearch_html"><div class="ttname"><a href="classimpala_1_1StringSearch.html">impala::StringSearch</a></div><div class="ttdef"><b>Definition:</b> <a href="string-search_8h_source.html#l00083">string-search.h:83</a></div></div>
<div class="ttc" id="structTestData_html_a21f55de62dcaffeac21679fb936f5c1b"><div class="ttname"><a href="structTestData.html#a21f55de62dcaffeac21679fb936f5c1b">TestData::needles</a></div><div class="ttdeci">vector&lt; StringValue &gt; needles</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00039">string-search-benchmark.cc:39</a></div></div>
<div class="ttc" id="structTestData_html_a68a02ae99d42f255ae4aea6ed7be9dca"><div class="ttname"><a href="structTestData.html#a68a02ae99d42f255ae4aea6ed7be9dca">TestData::haystacks</a></div><div class="ttdeci">vector&lt; StringValue &gt; haystacks</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00040">string-search-benchmark.cc:40</a></div></div>
<div class="ttc" id="classimpala_1_1Benchmark_html_a50a87fc22ee0a88a818b8b310fbad183"><div class="ttname"><a href="classimpala_1_1Benchmark.html#a50a87fc22ee0a88a818b8b310fbad183">impala::Benchmark::Measure</a></div><div class="ttdeci">std::string Measure()</div><div class="ttdoc">Runs all the benchmarks and returns the result in a formatted string. </div><div class="ttdef"><b>Definition:</b> <a href="benchmark_8cc_source.html#l00083">benchmark.cc:83</a></div></div>
<div class="ttc" id="string-search_8h_html"><div class="ttname"><a href="string-search_8h.html">string-search.h</a></div></div>
<div class="ttc" id="classimpala_1_1StringSearchSSE_html_ac22795d8ec86eec8604ad078d87c5ab3"><div class="ttname"><a href="classimpala_1_1StringSearchSSE.html#ac22795d8ec86eec8604ad078d87c5ab3">impala::StringSearchSSE::Search</a></div><div class="ttdeci">int Search(const StringValue &amp;haystack) const </div><div class="ttdef"><b>Definition:</b> <a href="string-search-sse_8h_source.html#l00043">string-search-sse.h:43</a></div></div>
<div class="ttc" id="structTestData_html"><div class="ttname"><a href="structTestData.html">TestData</a></div><div class="ttdef"><b>Definition:</b> <a href="atod-benchmark_8cc_source.html#l00037">atod-benchmark.cc:37</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_aa565a1c65e9905a7c77c4264a8f1a41f"><div class="ttname"><a href="string-search-benchmark_8cc.html#aa565a1c65e9905a7c77c4264a8f1a41f">TestImpalaNonNullTerminated</a></div><div class="ttdeci">void TestImpalaNonNullTerminated(int batch_size, void *d)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00097">string-search-benchmark.cc:97</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_a083154d380aa835fe2a976560b78dfec"><div class="ttname"><a href="string-search-benchmark_8cc.html#a083154d380aa835fe2a976560b78dfec">TestPython</a></div><div class="ttdeci">void TestPython(int batch_size, void *d)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00062">string-search-benchmark.cc:62</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="string-search-benchmark_8cc.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00161">string-search-benchmark.cc:161</a></div></div>
<div class="ttc" id="string-search-sse_8h_html"><div class="ttname"><a href="string-search-sse_8h.html">string-search-sse.h</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_aa5a5f95c2b5174f269d2b8a7d36dd233"><div class="ttname"><a href="string-search-benchmark_8cc.html#aa5a5f95c2b5174f269d2b8a7d36dd233">TestLibc</a></div><div class="ttdeci">void TestLibc(int batch_size, void *d)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00045">string-search-benchmark.cc:45</a></div></div>
<div class="ttc" id="names_8h_html"><div class="ttname"><a href="names_8h.html">names.h</a></div></div>
<div class="ttc" id="classimpala_1_1CpuInfo_html_ab63b1a50201fc23934e209f407945674"><div class="ttname"><a href="classimpala_1_1CpuInfo.html#ab63b1a50201fc23934e209f407945674">impala::CpuInfo::Init</a></div><div class="ttdeci">static void Init()</div><div class="ttdoc">Initialize CpuInfo. </div><div class="ttdef"><b>Definition:</b> <a href="cpu-info_8cc_source.html#l00075">cpu-info.cc:75</a></div></div>
<div class="ttc" id="benchmark_8h_html"><div class="ttname"><a href="benchmark_8h.html">benchmark.h</a></div></div>
<div class="ttc" id="structTestData_html_a56a2f5af5052a747a659134a2f85685a"><div class="ttname"><a href="structTestData.html#a56a2f5af5052a747a659134a2f85685a">TestData::strings</a></div><div class="ttdeci">vector&lt; string &gt; strings</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00042">string-search-benchmark.cc:42</a></div></div>
<div class="ttc" id="structTestData_html_ae40032bd56b5bac61c61feafe4c1cbec"><div class="ttname"><a href="structTestData.html#ae40032bd56b5bac61c61feafe4c1cbec">TestData::matches</a></div><div class="ttdeci">int matches</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00041">string-search-benchmark.cc:41</a></div></div>
<div class="ttc" id="cpu-info_8h_html"><div class="ttname"><a href="cpu-info_8h.html">cpu-info.h</a></div></div>
<div class="ttc" id="string-search-benchmark_8cc_html_a02c222cea68f39fa0c868e0eb535792c"><div class="ttname"><a href="string-search-benchmark_8cc.html#a02c222cea68f39fa0c868e0eb535792c">InitTestData</a></div><div class="ttdeci">void InitTestData(TestData *data)</div><div class="ttdef"><b>Definition:</b> <a href="string-search-benchmark_8cc_source.html#l00119">string-search-benchmark.cc:119</a></div></div>
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