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| <li class="navelem"><a class="el" href="dir_bc45e258c7269dbde5716543a4c54103.html">hll</a></li><li class="navelem"><a class="el" href="dir_aa059cbaaa7f4410839cee554e9ff9ba.html">include</a></li> </ul> |
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| <div class="headertitle"><div class="title">HllArray-internal.hpp</div></div> |
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| <div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * under the License.</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#ifndef _HLLARRAY_INTERNAL_HPP_</span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#define _HLLARRAY_INTERNAL_HPP_</span></div> |
| <div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "HllArray.hpp"</span></div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "HllUtil.hpp"</span></div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include "HarmonicNumbers.hpp"</span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "CubicInterpolation.hpp"</span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "CompositeInterpolationXTable.hpp"</span></div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "CouponList.hpp"</span></div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "inv_pow2_table.hpp"</span></div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include <cstring></span></div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include <cmath></span></div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include <stdexcept></span></div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include <string></span></div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacedatasketches.html">datasketches</a> {</div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span>HllArray<A>::HllArray(uint8_t lgConfigK, <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>HllSketchImpl<A>(lgConfigK, tgtHllType, hll_mode::HLL, startFullSize),</div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span>hipAccum_(0.0),</div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>kxq0_(1 << lgConfigK),</div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span>kxq1_(0.0),</div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>hllByteArr_(allocator),</div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>curMin_(0),</div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span>numAtCurMin_(1 << lgConfigK),</div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>oooFlag_(false),</div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span>rebuild_kxq_curmin_(false)</div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>{}</div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>HllArray<A>::HllArray(<span class="keyword">const</span> HllArray& other, target_hll_type tgtHllType) :</div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> HllSketchImpl<A>(other.getLgConfigK(), tgtHllType, hll_mode::HLL, other.isStartFullSize()),</div> |
| <div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// remaining fields are initialized to empty sketch defaults</span></div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// and left to subclass constructor to populate</span></div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> hipAccum_(0.0),</div> |
| <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> kxq0_(1 << other.getLgConfigK()),</div> |
| <div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> kxq1_(0.0),</div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> hllByteArr_(other.getAllocator()),</div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> curMin_(0),</div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> numAtCurMin_(1 << other.getLgConfigK()),</div> |
| <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> oooFlag_(false),</div> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> rebuild_kxq_curmin_(false)</div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>{}</div> |
| <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div> |
| <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span>HllArray<A>* HllArray<A>::copyAs(target_hll_type tgtHllType)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// we may need to recompute KxQ and curMin data for a union gadget,</span></div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="comment">// so only use a direct copy if we have a valid sketch</span></div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">if</span> (tgtHllType == this->getTgtHllType() && !this->isRebuildKxqCurminFlag()) {</div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>HllArray*<span class="keyword">></span>(copy());</div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// the factory methods replay the coupons and will always rebuild</span></div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="comment">// the sketch in a consistent way</span></div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">switch</span> (tgtHllType) {</div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">case</span> target_hll_type::HLL_4:</div> |
| <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> HllSketchImplFactory<A>::convertToHll4(*<span class="keyword">this</span>);</div> |
| <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">case</span> target_hll_type::HLL_6:</div> |
| <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> HllSketchImplFactory<A>::convertToHll6(*<span class="keyword">this</span>);</div> |
| <div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">case</span> target_hll_type::HLL_8:</div> |
| <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> HllSketchImplFactory<A>::convertToHll8(*<span class="keyword">this</span>);</div> |
| <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">default</span>:</div> |
| <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>); </div> |
| <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> }</div> |
| <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span>}</div> |
| <div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>HllArray<A>* HllArray<A>::newHll(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len, <span class="keyword">const</span> A& allocator) {</div> |
| <div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keywordflow">if</span> (len < hll_constants::HLL_BYTE_ARR_START) {</div> |
| <div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input data length insufficient to hold HLL array"</span>);</div> |
| <div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> }</div> |
| <div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> </div> |
| <div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">const</span> uint8_t* data = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint8_t*<span class="keyword">></span>(bytes);</div> |
| <div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">if</span> (data[hll_constants::PREAMBLE_INTS_BYTE] != hll_constants::HLL_PREINTS) {</div> |
| <div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Incorrect number of preInts in input stream"</span>);</div> |
| <div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div> |
| <div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">if</span> (data[hll_constants::SER_VER_BYTE] != hll_constants::SER_VER) {</div> |
| <div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Wrong ser ver in input stream"</span>);</div> |
| <div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div> |
| <div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">if</span> (data[hll_constants::FAMILY_BYTE] != hll_constants::FAMILY_ID) {</div> |
| <div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Input array is not an HLL sketch"</span>);</div> |
| <div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div> |
| <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div> |
| <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">const</span> hll_mode mode = HllSketchImpl<A>::extractCurMode(data[hll_constants::MODE_BYTE]);</div> |
| <div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (mode != HLL) {</div> |
| <div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Calling HLL array constructor with non-HLL mode data"</span>);</div> |
| <div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div> |
| <div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div> |
| <div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType = HllSketchImpl<A>::extractTgtHllType(data[hll_constants::MODE_BYTE]);</div> |
| <div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> oooFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::OUT_OF_ORDER_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> comapctFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::COMPACT_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSizeFlag = ((data[hll_constants::FLAGS_BYTE] & hll_constants::FULL_SIZE_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">const</span> uint8_t lgK = data[hll_constants::LG_K_BYTE];</div> |
| <div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">const</span> uint8_t curMin = data[hll_constants::HLL_CUR_MIN_BYTE];</div> |
| <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div> |
| <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">const</span> uint32_t arrayBytes = hllArrBytes(tgtHllType, lgK);</div> |
| <div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">if</span> (len < <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(hll_constants::HLL_BYTE_ARR_START + arrayBytes)) {</div> |
| <div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input array too small to hold sketch image"</span>);</div> |
| <div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div> |
| <div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div> |
| <div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordtype">double</span> hip, kxq0, kxq1;</div> |
| <div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> std::memcpy(&hip, data + hll_constants::HIP_ACCUM_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> std::memcpy(&kxq0, data + hll_constants::KXQ0_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> std::memcpy(&kxq1, data + hll_constants::KXQ1_DOUBLE, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> </div> |
| <div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> uint32_t numAtCurMin, auxCount;</div> |
| <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> std::memcpy(&numAtCurMin, data + hll_constants::CUR_MIN_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div> |
| <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> std::memcpy(&auxCount, data + hll_constants::AUX_COUNT_INT, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div> |
| <div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> AuxHashMap<A>* auxHashMap = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">typedef</span> std::unique_ptr<AuxHashMap<A>, std::function<void(AuxHashMap<A>*)>> aux_hash_map_ptr;</div> |
| <div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> aux_hash_map_ptr aux_ptr;</div> |
| <div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div> |
| <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> uint8_t auxLgIntArrSize = data[4];</div> |
| <div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> offset = hll_constants::HLL_BYTE_ARR_START + arrayBytes;</div> |
| <div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> uint8_t* auxDataStart = data + offset;</div> |
| <div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> auxHashMap = AuxHashMap<A>::deserialize(auxDataStart, len - offset, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div> |
| <div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> aux_ptr = aux_hash_map_ptr(auxHashMap, auxHashMap->make_deleter());</div> |
| <div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div> |
| <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div> |
| <div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> HllArray<A>* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, startFullSizeFlag, allocator);</div> |
| <div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> sketch->putCurMin(curMin);</div> |
| <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> sketch->putOutOfOrderFlag(oooFlag);</div> |
| <div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (!oooFlag) sketch->putHipAccum(hip);</div> |
| <div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> sketch->putKxQ0(kxq0);</div> |
| <div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> sketch->putKxQ1(kxq1);</div> |
| <div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> sketch->putNumAtCurMin(numAtCurMin);</div> |
| <div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div> |
| <div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> std::memcpy(sketch->hllByteArr_.data(), data + hll_constants::HLL_BYTE_ARR_START, arrayBytes);</div> |
| <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div> |
| <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>)</div> |
| <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div> |
| <div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> aux_ptr.release();</div> |
| <div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">return</span> sketch;</div> |
| <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div> |
| <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div> |
| <div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span>HllArray<A>* HllArray<A>::newHll(std::istream& is, <span class="keyword">const</span> A& allocator) {</div> |
| <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> uint8_t listHeader[8];</div> |
| <div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> read(is, listHeader, 8 * <span class="keyword">sizeof</span>(uint8_t));</div> |
| <div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div> |
| <div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">if</span> (listHeader[hll_constants::PREAMBLE_INTS_BYTE] != hll_constants::HLL_PREINTS) {</div> |
| <div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Incorrect number of preInts in input stream"</span>);</div> |
| <div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div> |
| <div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">if</span> (listHeader[hll_constants::SER_VER_BYTE] != hll_constants::SER_VER) {</div> |
| <div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Wrong ser ver in input stream"</span>);</div> |
| <div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div> |
| <div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span> (listHeader[hll_constants::FAMILY_BYTE] != hll_constants::FAMILY_ID) {</div> |
| <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Input stream is not an HLL sketch"</span>);</div> |
| <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div> |
| <div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div> |
| <div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> hll_mode mode = HllSketchImpl<A>::extractCurMode(listHeader[hll_constants::MODE_BYTE]);</div> |
| <div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (mode != HLL) {</div> |
| <div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Calling HLL construtor with non-HLL mode data"</span>);</div> |
| <div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div> |
| <div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div> |
| <div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">const</span> <a class="code hl_enumeration" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a> tgtHllType = HllSketchImpl<A>::extractTgtHllType(listHeader[hll_constants::MODE_BYTE]);</div> |
| <div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> oooFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::OUT_OF_ORDER_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> comapctFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::COMPACT_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> startFullSizeFlag = ((listHeader[hll_constants::FLAGS_BYTE] & hll_constants::FULL_SIZE_FLAG_MASK) ? <span class="keyword">true</span> : false);</div> |
| <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div> |
| <div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">const</span> uint8_t lgK = listHeader[hll_constants::LG_K_BYTE];</div> |
| <div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">const</span> uint8_t curMin = listHeader[hll_constants::HLL_CUR_MIN_BYTE];</div> |
| <div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div> |
| <div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> HllArray* sketch = HllSketchImplFactory<A>::newHll(lgK, tgtHllType, startFullSizeFlag, allocator);</div> |
| <div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">typedef</span> std::unique_ptr<HllArray<A>, std::function<void(HllSketchImpl<A>*)>> hll_array_ptr;</div> |
| <div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> hll_array_ptr sketch_ptr(sketch, sketch->get_deleter());</div> |
| <div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> sketch->putCurMin(curMin);</div> |
| <div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> sketch->putOutOfOrderFlag(oooFlag);</div> |
| <div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div> |
| <div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">const</span> <span class="keyword">auto</span> hip = read<double>(is);</div> |
| <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq0 = read<double>(is);</div> |
| <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">const</span> <span class="keyword">auto</span> kxq1 = read<double>(is);</div> |
| <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">if</span> (!oooFlag) sketch->putHipAccum(hip);</div> |
| <div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> sketch->putKxQ0(kxq0);</div> |
| <div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> sketch->putKxQ1(kxq1);</div> |
| <div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div> |
| <div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keyword">const</span> <span class="keyword">auto</span> numAtCurMin = read<uint32_t>(is);</div> |
| <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">const</span> <span class="keyword">auto</span> auxCount = read<uint32_t>(is);</div> |
| <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> sketch->putNumAtCurMin(numAtCurMin);</div> |
| <div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div> |
| <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> read(is, sketch->hllByteArr_.data(), sketch->getHllByteArrBytes());</div> |
| <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div> |
| <div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (auxCount > 0) { <span class="comment">// necessarily TgtHllType == HLL_4</span></div> |
| <div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> uint8_t auxLgIntArrSize = listHeader[4];</div> |
| <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> AuxHashMap<A>* auxHashMap = AuxHashMap<A>::deserialize(is, lgK, auxCount, auxLgIntArrSize, comapctFlag, allocator);</div> |
| <div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> ((Hll4Array<A>*)sketch)->putAuxHashMap(auxHashMap);</div> |
| <div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> }</div> |
| <div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div> |
| <div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">if</span> (!is.good())</div> |
| <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"error reading from std::istream"</span>); </div> |
| <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div> |
| <div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">return</span> sketch_ptr.release();</div> |
| <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span>}</div> |
| <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div> |
| <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="keyword">auto</span> HllArray<A>::serialize(<span class="keywordtype">bool</span> compact, <span class="keywordtype">unsigned</span> header_size_bytes) <span class="keyword">const</span> -> vector_bytes {</div> |
| <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> sketchSizeBytes = (compact ? getCompactSerializationBytes() : getUpdatableSerializationBytes()) + header_size_bytes;</div> |
| <div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> vector_bytes byteArr(sketchSizeBytes, 0, getAllocator());</div> |
| <div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> uint8_t* bytes = byteArr.data() + header_size_bytes;</div> |
| <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div> |
| <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div> |
| <div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> bytes[hll_constants::PREAMBLE_INTS_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(getPreInts());</div> |
| <div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> bytes[hll_constants::SER_VER_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::SER_VER);</div> |
| <div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> bytes[hll_constants::FAMILY_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(hll_constants::FAMILY_ID);</div> |
| <div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> bytes[hll_constants::LG_K_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(this->lgConfigK_);</div> |
| <div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> bytes[hll_constants::LG_ARR_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getLgAuxArrInts());</div> |
| <div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> bytes[hll_constants::FLAGS_BYTE] = this->makeFlagsByte(compact);</div> |
| <div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> bytes[hll_constants::HLL_CUR_MIN_BYTE] = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(curMin_);</div> |
| <div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> bytes[hll_constants::MODE_BYTE] = this->makeModeByte();</div> |
| <div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div> |
| <div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> std::memcpy(bytes + hll_constants::HIP_ACCUM_DOUBLE, &hipAccum_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> std::memcpy(bytes + hll_constants::KXQ0_DOUBLE, &kxq0_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> std::memcpy(bytes + hll_constants::KXQ1_DOUBLE, &kxq1_, <span class="keyword">sizeof</span>(<span class="keywordtype">double</span>));</div> |
| <div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> std::memcpy(bytes + hll_constants::CUR_MIN_COUNT_INT, &numAtCurMin_, <span class="keyword">sizeof</span>(uint32_t));</div> |
| <div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div> |
| <div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> std::memcpy(bytes + hll_constants::AUX_COUNT_INT, &auxCount, <span class="keyword">sizeof</span>(uint32_t));</div> |
| <div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div> |
| <div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="keyword">const</span> uint32_t hllByteArrBytes = getHllByteArrBytes();</div> |
| <div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> std::memcpy(bytes + getMemDataStart(), hllByteArr_.data(), hllByteArrBytes);</div> |
| <div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div> |
| <div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="comment">// aux map if HLL_4</span></div> |
| <div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div> |
| <div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> bytes += getMemDataStart() + hllByteArrBytes; <span class="comment">// start of auxHashMap</span></div> |
| <div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">if</span> (compact) {</div> |
| <div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div> |
| <div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> std::memcpy(bytes, &coupon, <span class="keyword">sizeof</span>(coupon));</div> |
| <div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> bytes += <span class="keyword">sizeof</span>(coupon);</div> |
| <div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> }</div> |
| <div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> std::memcpy(bytes, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div> |
| <div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div> |
| <div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div> |
| <div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped</span></div> |
| <div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div> |
| <div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> std::fill_n(bytes, auxBytes, <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(0));</div> |
| <div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> }</div> |
| <div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> }</div> |
| <div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> </div> |
| <div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">return</span> byteArr;</div> |
| <div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>}</div> |
| <div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> </div> |
| <div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="keywordtype">void</span> HllArray<A>::serialize(std::ostream& os, <span class="keywordtype">bool</span> compact)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="comment">// header</span></div> |
| <div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">const</span> uint8_t preInts = getPreInts();</div> |
| <div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> write(os, preInts);</div> |
| <div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">const</span> uint8_t serialVersion = hll_constants::SER_VER;</div> |
| <div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> write(os, serialVersion);</div> |
| <div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keyword">const</span> uint8_t familyId = hll_constants::FAMILY_ID;</div> |
| <div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> write(os, familyId);</div> |
| <div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">const</span> uint8_t lgKByte = this->lgConfigK_;</div> |
| <div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> write(os, lgKByte);</div> |
| <div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div> |
| <div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div> |
| <div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> uint8_t lgArrByte = 0;</div> |
| <div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> lgArrByte = auxHashMap->getLgAuxArrInts();</div> |
| <div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> }</div> |
| <div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> write(os, lgArrByte);</div> |
| <div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> </div> |
| <div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> <span class="keyword">const</span> uint8_t flagsByte = this->makeFlagsByte(compact);</div> |
| <div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> write(os, flagsByte);</div> |
| <div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> write(os, curMin_);</div> |
| <div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">const</span> uint8_t modeByte = this->makeModeByte();</div> |
| <div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> write(os, modeByte);</div> |
| <div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> </div> |
| <div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">// estimator data</span></div> |
| <div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> write(os, hipAccum_);</div> |
| <div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> write(os, kxq0_);</div> |
| <div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> write(os, kxq1_);</div> |
| <div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div> |
| <div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="comment">// array data</span></div> |
| <div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> write(os, numAtCurMin_);</div> |
| <div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> </div> |
| <div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keyword">const</span> uint32_t auxCount = (auxHashMap == <span class="keyword">nullptr</span> ? 0 : auxHashMap->getAuxCount());</div> |
| <div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> write(os, auxCount);</div> |
| <div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> write(os, hllByteArr_.data(), getHllByteArrBytes());</div> |
| <div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> </div> |
| <div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="comment">// aux map if HLL_4</span></div> |
| <div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">if</span> (this->tgtHllType_ == HLL_4) {</div> |
| <div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">if</span> (auxHashMap != <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">if</span> (compact) {</div> |
| <div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> uint32_t coupon: *auxHashMap) {</div> |
| <div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> write(os, coupon);</div> |
| <div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div> |
| <div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> write(os, auxHashMap->getAuxIntArr(), auxHashMap->getUpdatableSizeBytes());</div> |
| <div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div> |
| <div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!compact) {</div> |
| <div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="comment">// if updatable, we write even if currently unused so the binary can be wrapped </span></div> |
| <div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> uint32_t auxBytes = 4 << hll_constants::LG_AUX_ARR_INTS[this->lgConfigK_];</div> |
| <div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> std::fill_n(std::ostreambuf_iterator<char>(os), auxBytes, <span class="keyword">static_cast<</span><span class="keywordtype">char</span><span class="keyword">></span>(0));</div> |
| <div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> }</div> |
| <div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> }</div> |
| <div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span>}</div> |
| <div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> </div> |
| <div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span><span class="keywordtype">double</span> HllArray<A>::getEstimate()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="keywordflow">if</span> (oooFlag_) {</div> |
| <div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">return</span> getCompositeEstimate();</div> |
| <div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> }</div> |
| <div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">return</span> hipAccum_;</div> |
| <div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span>}</div> |
| <div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> </div> |
| <div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span><span class="comment">// HLL UPPER AND LOWER BOUNDS</span></div> |
| <div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div> |
| <div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span><span class="comment"> * The upper and lower bounds are not symmetric and thus are treated slightly differently.</span></div> |
| <div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span><span class="comment"> * For the lower bound, when the unique count is <= k, LB >= numNonZeros, where</span></div> |
| <div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="comment"> * numNonZeros = k - numAtCurMin AND curMin == 0.</span></div> |
| <div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="comment"> * For HLL6 and HLL8, curMin is always 0 and numAtCurMin is initialized to k and is decremented</span></div> |
| <div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span><span class="comment"> * down for each valid update until it reaches 0, where it stays. Thus, for these two</span></div> |
| <div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span><span class="comment"> * isomorphs, when numAtCurMin = 0, means the true curMin is > 0 and the unique count must be</span></div> |
| <div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span><span class="comment"> * greater than k.</span></div> |
| <div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span><span class="comment"> * HLL4 always maintains both curMin and numAtCurMin dynamically. Nonetheless, the rules for</span></div> |
| <div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span><span class="comment"> * the very small values <= k where curMin = 0 still apply.</span></div> |
| <div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span><span class="keywordtype">double</span> HllArray<A>::getLowerBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> HllUtil<A>::checkNumStdDev(numStdDev);</div> |
| <div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div> |
| <div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keyword">const</span> <span class="keywordtype">double</span> numNonZeros = ((curMin_ == 0) ? (configK - numAtCurMin_) : configK);</div> |
| <div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">false</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div> |
| <div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">return</span> fmax(getEstimate() / (1.0 + relErr), numNonZeros);</div> |
| <div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div> |
| <div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div> |
| <div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span><span class="keywordtype">double</span> HllArray<A>::getUpperBound(uint8_t numStdDev)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> HllUtil<A>::checkNumStdDev(numStdDev);</div> |
| <div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">const</span> <span class="keywordtype">double</span> relErr = HllUtil<A>::getRelErr(<span class="keyword">true</span>, this->oooFlag_, this->lgConfigK_, numStdDev);</div> |
| <div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keywordflow">return</span> getEstimate() / (1.0 + relErr);</div> |
| <div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span>}</div> |
| <div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> </div> |
| <div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span><span class="comment">// Original C: again-two-registers.c hhb_get_composite_estimate L1489</span></div> |
| <div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="keywordtype">double</span> HllArray<A>::getCompositeEstimate()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">const</span> <span class="keywordtype">double</span> rawEst = getHllRawEstimate();</div> |
| <div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> </div> |
| <div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">const</span> <span class="keywordtype">double</span>* xArr = CompositeInterpolationXTable<A>::get_x_arr(this->lgConfigK_);</div> |
| <div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> <span class="keyword">const</span> uint32_t xArrLen = CompositeInterpolationXTable<A>::get_x_arr_length();</div> |
| <div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keyword">const</span> <span class="keywordtype">double</span> yStride = CompositeInterpolationXTable<A>::get_y_stride(this->lgConfigK_);</div> |
| <div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> </div> |
| <div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">if</span> (rawEst < xArr[0]) {</div> |
| <div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> }</div> |
| <div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> </div> |
| <div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> <span class="keyword">const</span> uint32_t xArrLenM1 = xArrLen - 1;</div> |
| <div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> </div> |
| <div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keywordflow">if</span> (rawEst > xArr[xArrLenM1]) {</div> |
| <div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">const</span> <span class="keywordtype">double</span> finalY = yStride * xArrLenM1;</div> |
| <div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keyword">const</span> <span class="keywordtype">double</span> factor = finalY / xArr[xArrLenM1];</div> |
| <div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">return</span> rawEst * factor;</div> |
| <div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div> |
| <div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> </div> |
| <div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordtype">double</span> adjEst = CubicInterpolation<A>::usingXArrAndYStride(xArr, xArrLen, yStride, rawEst);</div> |
| <div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> </div> |
| <div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> <span class="comment">// We need to completely avoid the linear_counting estimator if it might have a crazy value.</span></div> |
| <div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="comment">// Empirical evidence suggests that the threshold 3*k will keep us safe if 2^4 <= k <= 2^21.</span></div> |
| <div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> </div> |
| <div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">if</span> (adjEst > (3 << this->lgConfigK_)) { <span class="keywordflow">return</span> adjEst; }</div> |
| <div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> </div> |
| <div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keyword">const</span> <span class="keywordtype">double</span> linEst = getHllBitMapEstimate();</div> |
| <div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div> |
| <div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="comment">// Bias is created when the value of an estimator is compared with a threshold to decide whether</span></div> |
| <div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> <span class="comment">// to use that estimator or a different one.</span></div> |
| <div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="comment">// We conjecture that less bias is created when the average of the two estimators</span></div> |
| <div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> <span class="comment">// is compared with the threshold. Empirical measurements support this conjecture.</span></div> |
| <div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div> |
| <div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> <span class="keyword">const</span> <span class="keywordtype">double</span> avgEst = (adjEst + linEst) / 2.0;</div> |
| <div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> </div> |
| <div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">// The following constants comes from empirical measurements of the crossover point</span></div> |
| <div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> <span class="comment">// between the average error of the linear estimator and the adjusted hll estimator</span></div> |
| <div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordtype">double</span> crossOver = 0.64;</div> |
| <div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { crossOver = 0.718; }</div> |
| <div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { crossOver = 0.672; }</div> |
| <div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div> |
| <div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> <span class="keywordflow">return</span> (avgEst > (crossOver * (1 << this->lgConfigK_))) ? adjEst : linEst;</div> |
| <div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span>}</div> |
| <div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> </div> |
| <div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span><span class="keywordtype">double</span> HllArray<A>::getKxQ0()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">return</span> kxq0_;</div> |
| <div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span>}</div> |
| <div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> </div> |
| <div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span><span class="keywordtype">double</span> HllArray<A>::getKxQ1()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">return</span> kxq1_;</div> |
| <div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span>}</div> |
| <div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> </div> |
| <div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span><span class="keywordtype">double</span> HllArray<A>::getHipAccum()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">return</span> hipAccum_;</div> |
| <div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span>}</div> |
| <div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> </div> |
| <div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span>uint8_t HllArray<A>::getCurMin()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">return</span> curMin_;</div> |
| <div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span>}</div> |
| <div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> </div> |
| <div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span>uint32_t HllArray<A>::getNumAtCurMin()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> <span class="keywordflow">return</span> numAtCurMin_;</div> |
| <div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span>}</div> |
| <div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div> |
| <div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span><span class="keywordtype">void</span> HllArray<A>::putKxQ0(<span class="keywordtype">double</span> kxq0) {</div> |
| <div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> kxq0_ = kxq0;</div> |
| <div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span>}</div> |
| <div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> </div> |
| <div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span><span class="keywordtype">void</span> HllArray<A>::putKxQ1(<span class="keywordtype">double</span> kxq1) {</div> |
| <div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> kxq1_ = kxq1;</div> |
| <div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span>}</div> |
| <div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> </div> |
| <div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span><span class="keywordtype">void</span> HllArray<A>::putHipAccum(<span class="keywordtype">double</span> hipAccum) {</div> |
| <div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> hipAccum_ = hipAccum;</div> |
| <div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span>}</div> |
| <div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> </div> |
| <div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span><span class="keywordtype">void</span> HllArray<A>::putCurMin(uint8_t curMin) {</div> |
| <div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> curMin_ = curMin;</div> |
| <div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span>}</div> |
| <div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> </div> |
| <div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span><span class="keywordtype">void</span> HllArray<A>::putNumAtCurMin(uint32_t numAtCurMin) {</div> |
| <div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> numAtCurMin_ = numAtCurMin;</div> |
| <div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span>}</div> |
| <div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> </div> |
| <div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span><span class="keywordtype">bool</span> HllArray<A>::isCompact()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span>}</div> |
| <div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div> |
| <div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span><span class="keywordtype">bool</span> HllArray<A>::isEmpty()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div> |
| <div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keywordflow">return</span> (curMin_ == 0) && (numAtCurMin_ == configK);</div> |
| <div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span>}</div> |
| <div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> </div> |
| <div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span><span class="keywordtype">void</span> HllArray<A>::putOutOfOrderFlag(<span class="keywordtype">bool</span> flag) {</div> |
| <div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> oooFlag_ = flag;</div> |
| <div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span>}</div> |
| <div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> </div> |
| <div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span><span class="keywordtype">bool</span> HllArray<A>::isOutOfOrderFlag()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="keywordflow">return</span> oooFlag_;</div> |
| <div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span>}</div> |
| <div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> </div> |
| <div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span>uint32_t HllArray<A>::hllArrBytes(target_hll_type tgtHllType, uint8_t lgConfigK) {</div> |
| <div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordflow">switch</span> (tgtHllType) {</div> |
| <div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">HLL_4</a>:</div> |
| <div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">return</span> hll4ArrBytes(lgConfigK);</div> |
| <div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">HLL_6</a>:</div> |
| <div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">return</span> hll6ArrBytes(lgConfigK);</div> |
| <div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>:</div> |
| <div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">return</span> hll8ArrBytes(lgConfigK);</div> |
| <div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="keywordflow">default</span>:</div> |
| <div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Invalid target HLL type"</span>); </div> |
| <div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> }</div> |
| <div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span>}</div> |
| <div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> </div> |
| <div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span>uint32_t HllArray<A>::hll4ArrBytes(uint8_t lgConfigK) {</div> |
| <div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="keywordflow">return</span> 1 << (lgConfigK - 1);</div> |
| <div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span>}</div> |
| <div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> </div> |
| <div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span>uint32_t HllArray<A>::hll6ArrBytes(uint8_t lgConfigK) {</div> |
| <div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keyword">const</span> uint32_t numSlots = 1 << lgConfigK;</div> |
| <div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> <span class="keywordflow">return</span> ((numSlots * 3) >> 2) + 1;</div> |
| <div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span>}</div> |
| <div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> </div> |
| <div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span>uint32_t HllArray<A>::hll8ArrBytes(uint8_t lgConfigK) {</div> |
| <div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> <span class="keywordflow">return</span> 1 << lgConfigK;</div> |
| <div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span>}</div> |
| <div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> </div> |
| <div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span>uint32_t HllArray<A>::getMemDataStart()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START;</div> |
| <div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span>}</div> |
| <div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> </div> |
| <div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span>uint32_t HllArray<A>::getUpdatableSerializationBytes()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes();</div> |
| <div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span>}</div> |
| <div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> </div> |
| <div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span>uint32_t HllArray<A>::getCompactSerializationBytes()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> AuxHashMap<A>* auxHashMap = getAuxHashMap();</div> |
| <div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keyword">const</span> uint32_t auxCountBytes = ((auxHashMap == <span class="keyword">nullptr</span>) ? 0 : auxHashMap->getCompactSizeBytes());</div> |
| <div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> <span class="keywordflow">return</span> hll_constants::HLL_BYTE_ARR_START + getHllByteArrBytes() + auxCountBytes;</div> |
| <div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span>}</div> |
| <div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> </div> |
| <div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span>uint8_t HllArray<A>::getPreInts()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="keywordflow">return</span> hll_constants::HLL_PREINTS;</div> |
| <div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span>}</div> |
| <div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> </div> |
| <div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span>AuxHashMap<A>* HllArray<A>::getAuxHashMap()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span>}</div> |
| <div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> </div> |
| <div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span><span class="keyword">auto</span> HllArray<A>::getHllArray() const -> const vector_bytes& {</div> |
| <div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="keywordflow">return</span> hllByteArr_;</div> |
| <div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span>}</div> |
| <div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> </div> |
| <div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span><span class="keywordtype">void</span> HllArray<A>::hipAndKxQIncrementalUpdate(uint8_t oldValue, uint8_t newValue) {</div> |
| <div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> <span class="keyword">const</span> uint32_t configK = 1 << this->getLgConfigK();</div> |
| <div class="line"><a id="l00547" name="l00547"></a><span class="lineno"> 547</span> <span class="comment">// update hip BEFORE updating kxq</span></div> |
| <div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">if</span> (!oooFlag_) hipAccum_ += configK / (kxq0_ + kxq1_);</div> |
| <div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="comment">// update kxq0 and kxq1; subtract first, then add</span></div> |
| <div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> <span class="keywordflow">if</span> (oldValue < 32) { kxq0_ -= INVERSE_POWERS_OF_2[oldValue]; }</div> |
| <div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keywordflow">else</span> { kxq1_ -= INVERSE_POWERS_OF_2[oldValue]; }</div> |
| <div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keywordflow">if</span> (newValue < 32) { kxq0_ += INVERSE_POWERS_OF_2[newValue]; }</div> |
| <div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> <span class="keywordflow">else</span> { kxq1_ += INVERSE_POWERS_OF_2[newValue]; }</div> |
| <div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span>}</div> |
| <div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> </div> |
| <div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span><span class="comment">//In C: again-two-registers.c hhb_get_improved_linear_counting_estimate L1274</span></div> |
| <div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span><span class="keywordtype">double</span> HllArray<A>::getHllBitMapEstimate()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div> |
| <div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <span class="keyword">const</span> uint32_t numUnhitBuckets = curMin_ == 0 ? numAtCurMin_ : 0;</div> |
| <div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> </div> |
| <div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <span class="comment">//This will eventually go away.</span></div> |
| <div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keywordflow">if</span> (numUnhitBuckets == 0) {</div> |
| <div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keywordflow">return</span> configK * log(configK / 0.5);</div> |
| <div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> }</div> |
| <div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> </div> |
| <div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> <span class="keyword">const</span> uint32_t numHitBuckets = configK - numUnhitBuckets;</div> |
| <div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordflow">return</span> HarmonicNumbers<A>::getBitMapEstimate(configK, numHitBuckets);</div> |
| <div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span>}</div> |
| <div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> </div> |
| <div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span><span class="comment">//In C: again-two-registers.c hhb_get_raw_estimate L1167</span></div> |
| <div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span><span class="keywordtype">double</span> HllArray<A>::getHllRawEstimate()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> <span class="keyword">const</span> uint32_t configK = 1 << this->lgConfigK_;</div> |
| <div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> <span class="keywordtype">double</span> correctionFactor;</div> |
| <div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 4) { correctionFactor = 0.673; }</div> |
| <div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 5) { correctionFactor = 0.697; }</div> |
| <div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (this->lgConfigK_ == 6) { correctionFactor = 0.709; }</div> |
| <div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">else</span> { correctionFactor = 0.7213 / (1.0 + (1.079 / configK)); }</div> |
| <div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> <span class="keyword">const</span> <span class="keywordtype">double</span> hyperEst = (correctionFactor * configK * configK) / (kxq0_ + kxq1_);</div> |
| <div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">return</span> hyperEst;</div> |
| <div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span>}</div> |
| <div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> </div> |
| <div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span><span class="keywordtype">void</span> HllArray<A>::setRebuildKxqCurminFlag(<span class="keywordtype">bool</span> rebuild) {</div> |
| <div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> rebuild_kxq_curmin_ = rebuild;</div> |
| <div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span>}</div> |
| <div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> </div> |
| <div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span><span class="keywordtype">bool</span> HllArray<A>::isRebuildKxqCurminFlag()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="keywordflow">return</span> rebuild_kxq_curmin_;</div> |
| <div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span>}</div> |
| <div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> </div> |
| <div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span><span class="keywordtype">void</span> HllArray<A>::check_rebuild_kxq_cur_min() {</div> |
| <div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">if</span> (!rebuild_kxq_curmin_) { <span class="keywordflow">return</span>; }</div> |
| <div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> </div> |
| <div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> uint8_t cur_min = 64;</div> |
| <div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> uint32_t num_at_cur_min = 0;</div> |
| <div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordtype">double</span> kxq0 = 1 << this->lgConfigK_;</div> |
| <div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <span class="keywordtype">double</span> kxq1 = 0;</div> |
| <div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div> |
| <div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="keyword">auto</span> it = this->begin(<span class="keyword">true</span>); <span class="comment">// want all points to adjust cur_min</span></div> |
| <div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <span class="keyword">const</span> <span class="keyword">auto</span> end = this->end();</div> |
| <div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="keywordflow">while</span> (it != end) {</div> |
| <div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> uint8_t v = HllUtil<A>::getValue(*it);</div> |
| <div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <span class="keywordflow">if</span> (v > 0) {</div> |
| <div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <span class="keywordflow">if</span> (v < 32) { kxq0 += INVERSE_POWERS_OF_2[v] - 1.0; }</div> |
| <div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> <span class="keywordflow">else</span> { kxq1 += INVERSE_POWERS_OF_2[v] - 1.0; }</div> |
| <div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> }</div> |
| <div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">if</span> (v > cur_min) { ++it; <span class="keywordflow">continue</span>; }</div> |
| <div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="keywordflow">if</span> (v < cur_min) {</div> |
| <div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> cur_min = v;</div> |
| <div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> num_at_cur_min = 1;</div> |
| <div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> ++num_at_cur_min;</div> |
| <div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> } </div> |
| <div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> ++it;</div> |
| <div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> }</div> |
| <div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> </div> |
| <div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> kxq0_ = kxq0;</div> |
| <div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> kxq1_ = kxq1;</div> |
| <div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> curMin_ = cur_min;</div> |
| <div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> numAtCurMin_ = num_at_cur_min;</div> |
| <div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> rebuild_kxq_curmin_ = <span class="keyword">false</span>;</div> |
| <div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span> <span class="comment">// HipAccum is not affected</span></div> |
| <div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span> </div> |
| <div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span>}</div> |
| <div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> </div> |
| <div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::begin(<span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 0, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, all);</div> |
| <div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span>}</div> |
| <div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> </div> |
| <div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span><span class="keyword">typename</span> HllArray<A>::const_iterator HllArray<A>::end()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> <span class="keywordflow">return</span> const_iterator(hllByteArr_.data(), 1 << this->lgConfigK_, 1 << this->lgConfigK_, this->tgtHllType_, <span class="keyword">nullptr</span>, 0, <span class="keyword">false</span>);</div> |
| <div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span>}</div> |
| <div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> </div> |
| <div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span>HllArray<A>::const_iterator::const_iterator(<span class="keyword">const</span> uint8_t* array, uint32_t array_size, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset, <span class="keywordtype">bool</span> all):</div> |
| <div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span>array_(array), array_size_(array_size), index_(index), hll_type_(hll_type), exceptions_(exceptions), offset_(offset), all_(all)</div> |
| <div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span>{</div> |
| <div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span> <span class="keywordflow">while</span> (index_ < array_size_) {</div> |
| <div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div> |
| <div class="line"><a id="l00651" name="l00651"></a><span class="lineno"> 651</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00652" name="l00652"></a><span class="lineno"> 652</span> ++index_;</div> |
| <div class="line"><a id="l00653" name="l00653"></a><span class="lineno"> 653</span> }</div> |
| <div class="line"><a id="l00654" name="l00654"></a><span class="lineno"> 654</span>}</div> |
| <div class="line"><a id="l00655" name="l00655"></a><span class="lineno"> 655</span> </div> |
| <div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00657" name="l00657"></a><span class="lineno"> 657</span><span class="keyword">typename</span> HllArray<A>::const_iterator& HllArray<A>::const_iterator::operator++() {</div> |
| <div class="line"><a id="l00658" name="l00658"></a><span class="lineno"> 658</span> <span class="keywordflow">while</span> (++index_ < array_size_) {</div> |
| <div class="line"><a id="l00659" name="l00659"></a><span class="lineno"> 659</span> value_ = get_value(array_, index_, hll_type_, exceptions_, offset_);</div> |
| <div class="line"><a id="l00660" name="l00660"></a><span class="lineno"> 660</span> <span class="keywordflow">if</span> (all_ || value_ != hll_constants::EMPTY) <span class="keywordflow">break</span>;</div> |
| <div class="line"><a id="l00661" name="l00661"></a><span class="lineno"> 661</span> }</div> |
| <div class="line"><a id="l00662" name="l00662"></a><span class="lineno"> 662</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div> |
| <div class="line"><a id="l00663" name="l00663"></a><span class="lineno"> 663</span>}</div> |
| <div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> </div> |
| <div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span><span class="keywordtype">bool</span> HllArray<A>::const_iterator::operator!=(<span class="keyword">const</span> const_iterator& other)<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> <span class="keywordflow">return</span> index_ != other.index_;</div> |
| <div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span>}</div> |
| <div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> </div> |
| <div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span><span class="keyword">auto</span> HllArray<A>::const_iterator::operator*() const -> reference {</div> |
| <div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> <span class="keywordflow">return</span> HllUtil<A>::pair(index_, value_);</div> |
| <div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span>}</div> |
| <div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> </div> |
| <div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span>uint8_t HllArray<A>::const_iterator::get_value(<span class="keyword">const</span> uint8_t* array, uint32_t index, target_hll_type hll_type, <span class="keyword">const</span> AuxHashMap<A>* exceptions, uint8_t offset) {</div> |
| <div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> <span class="comment">// TODO: we should be able to improve efficiency here by reading multiple bytes at a time</span></div> |
| <div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> <span class="comment">// for HLL4 and HLL6</span></div> |
| <div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_4) {</div> |
| <div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> uint8_t value = array[index >> 1];</div> |
| <div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">if</span> ((index & 1) > 0) { <span class="comment">// odd</span></div> |
| <div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> value >>= 4;</div> |
| <div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> value &= hll_constants::loNibbleMask;</div> |
| <div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span> }</div> |
| <div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span> <span class="keywordflow">if</span> (value == hll_constants::AUX_TOKEN) { <span class="comment">// exception</span></div> |
| <div class="line"><a id="l00687" name="l00687"></a><span class="lineno"> 687</span> <span class="keywordflow">return</span> exceptions->mustFindValueFor(index);</div> |
| <div class="line"><a id="l00688" name="l00688"></a><span class="lineno"> 688</span> }</div> |
| <div class="line"><a id="l00689" name="l00689"></a><span class="lineno"> 689</span> <span class="keywordflow">return</span> value + offset;</div> |
| <div class="line"><a id="l00690" name="l00690"></a><span class="lineno"> 690</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (hll_type == target_hll_type::HLL_6) {</div> |
| <div class="line"><a id="l00691" name="l00691"></a><span class="lineno"> 691</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> start_bit = index * 6;</div> |
| <div class="line"><a id="l00692" name="l00692"></a><span class="lineno"> 692</span> <span class="keyword">const</span> uint8_t shift = start_bit & 0x7;</div> |
| <div class="line"><a id="l00693" name="l00693"></a><span class="lineno"> 693</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> byte_idx = start_bit >> 3;</div> |
| <div class="line"><a id="l00694" name="l00694"></a><span class="lineno"> 694</span> <span class="keyword">const</span> uint16_t two_byte_val = (array[byte_idx + 1] << 8) | array[byte_idx];</div> |
| <div class="line"><a id="l00695" name="l00695"></a><span class="lineno"> 695</span> <span class="keywordflow">return</span> (two_byte_val >> shift) & hll_constants::VAL_MASK_6;</div> |
| <div class="line"><a id="l00696" name="l00696"></a><span class="lineno"> 696</span> }</div> |
| <div class="line"><a id="l00697" name="l00697"></a><span class="lineno"> 697</span> <span class="comment">// HLL_8</span></div> |
| <div class="line"><a id="l00698" name="l00698"></a><span class="lineno"> 698</span> <span class="keywordflow">return</span> array[index];</div> |
| <div class="line"><a id="l00699" name="l00699"></a><span class="lineno"> 699</span>}</div> |
| <div class="line"><a id="l00700" name="l00700"></a><span class="lineno"> 700</span> </div> |
| <div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span><span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span>A HllArray<A>::getAllocator()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> <span class="keywordflow">return</span> hllByteArr_.get_allocator();</div> |
| <div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span>}</div> |
| <div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> </div> |
| <div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span>}</div> |
| <div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> </div> |
| <div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span><span class="preprocessor">#endif </span><span class="comment">// _HLLARRAY_INTERNAL_HPP_</span></div> |
| <div class="ttc" id="anamespacedatasketches_html"><div class="ttname"><a href="namespacedatasketches.html">datasketches</a></div><div class="ttdoc">DataSketches namespace.</div><div class="ttdef"><b>Definition</b> binomial_bounds.hpp:38</div></div> |
| <div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">datasketches::target_hll_type</a></div><div class="ttdeci">target_hll_type</div><div class="ttdoc">Specifies the target type of HLL sketch to be created.</div><div class="ttdef"><b>Definition</b> hll.hpp:72</div></div> |
| <div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a0a2179d612c2ce6887e96279f25d7a77">datasketches::HLL_6</a></div><div class="ttdeci">@ HLL_6</div><div class="ttdoc">6 bits per entry (fixed size)</div><div class="ttdef"><b>Definition</b> hll.hpp:74</div></div> |
| <div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">datasketches::HLL_8</a></div><div class="ttdeci">@ HLL_8</div><div class="ttdoc">8 bits per entry (fastest, fixed size)</div><div class="ttdef"><b>Definition</b> hll.hpp:75</div></div> |
| <div class="ttc" id="anamespacedatasketches_html_a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9"><div class="ttname"><a href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4aebdac6704039b95d8b82629cda14b1b9">datasketches::HLL_4</a></div><div class="ttdeci">@ HLL_4</div><div class="ttdoc">4 bits per entry (most compact, size may vary)</div><div class="ttdef"><b>Definition</b> hll.hpp:73</div></div> |
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