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| <div class="title">Hll8Array-internal.hpp</div> </div> |
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| <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> |
| <div class="line"><a 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 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 name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a 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 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 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 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 name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> |
| <div class="line"><a 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 name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div> |
| <div class="line"><a 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 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 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 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 name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef _HLL8ARRAY_INTERNAL_HPP_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define _HLL8ARRAY_INTERNAL_HPP_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "Hll8Array.hpp"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="namespacedatasketches.html">datasketches</a> {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> Hll8Array<A>::Hll8Array(uint8_t lgConfigK, <span class="keywordtype">bool</span> startFullSize, <span class="keyword">const</span> A& allocator):</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> HllArray<A>(lgConfigK, <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, startFullSize, allocator)</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll8ArrBytes(lgConfigK);</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  this->hllByteArr_.resize(numBytes, 0);</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> }</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> Hll8Array<A>::Hll8Array(<span class="keyword">const</span> HllArray<A>& other):</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  HllArray<A>(other.getLgConfigK(), <a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4">target_hll_type</a>::<a class="code" href="namespacedatasketches.html#a76c1ad9235877691984d49415bb263e4a3a5efa79623d3e2ab53f27ef53237c7f">HLL_8</a>, other.isStartFullSize(), other.getAllocator())</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> numBytes = this->hll8ArrBytes(this->lgConfigK_);</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  this->hllByteArr_.resize(numBytes, 0);</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  this->oooFlag_ = other.isOutOfOrderFlag();</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  uint32_t num_zeros = 1 << this->lgConfigK_;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon : other) { <span class="comment">// all = false, so skip empty values</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  num_zeros--;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  internalCouponUpdate(coupon); <span class="comment">// updates KxQ registers</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  this->numAtCurMin_ = num_zeros;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  this->hipAccum_ = other.getHipAccum();</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  this->rebuild_kxq_curmin_ = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> std::function<void(HllSketchImpl<A>*)> Hll8Array<A>::get_deleter()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> [](HllSketchImpl<A>* ptr) {</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Hll8Array<A>* hll = <span class="keyword">static_cast<</span>Hll8Array<A>*<span class="keyword">></span>(ptr);</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">using</span> Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  Hll8Alloc hll8Alloc(hll->getAllocator());</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  hll->~Hll8Array();</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  hll8Alloc.deallocate(hll, 1);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  };</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> Hll8Array<A>* Hll8Array<A>::copy()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">using</span> Hll8Alloc = <span class="keyword">typename</span> std::allocator_traits<A>::template rebind_alloc<Hll8Array<A>>;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  Hll8Alloc hll8Alloc(this->getAllocator());</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (hll8Alloc.allocate(1)) Hll8Array<A>(*<span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> uint8_t Hll8Array<A>::getSlot(uint32_t slotNo)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> this->hllByteArr_[slotNo];</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">void</span> Hll8Array<A>::putSlot(uint32_t slotNo, uint8_t value) {</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  this->hllByteArr_[slotNo] = value;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> }</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> uint32_t Hll8Array<A>::getHllByteArrBytes()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> this->hll8ArrBytes(this->lgConfigK_);</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> }</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> HllSketchImpl<A>* Hll8Array<A>::couponUpdate(uint32_t coupon) {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  internalCouponUpdate(coupon);</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keywordtype">void</span> Hll8Array<A>::internalCouponUpdate(uint32_t coupon) {</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> uint32_t configKmask = (1 << this->lgConfigK_) - 1;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> uint32_t slotNo = HllUtil<A>::getLow26(coupon) & configKmask;</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> uint8_t newVal = HllUtil<A>::getValue(coupon);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> uint8_t curVal = this->hllByteArr_[slotNo];</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (newVal > curVal) {</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  this->hllByteArr_[slotNo] = newVal;</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  this->hipAndKxQIncrementalUpdate(curVal, newVal);</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  this->numAtCurMin_ -= curVal == 0; <span class="comment">// interpret numAtCurMin as num zeros</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keywordtype">void</span> Hll8Array<A>::mergeList(<span class="keyword">const</span> CouponList<A>& src) {</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> coupon: src) {</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  internalCouponUpdate(coupon);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keywordtype">void</span> Hll8Array<A>::mergeHll(<span class="keyword">const</span> HllArray<A>& src) {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// at this point src_k >= dst_k</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// we can optimize further when the k values are equal</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (this->getLgConfigK() == src.getLgConfigK()) {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (src.getTgtHllType() == target_hll_type::HLL_8) {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> value: src.getHllArray()) {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], value);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  ++i;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (src.getTgtHllType() == target_hll_type::HLL_6) {</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> uint32_t src_k = 1 << src.getLgConfigK();</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> uint8_t* ptr = src.getHllArray().data();</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">while</span> (i < src_k) {</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  uint8_t value = *ptr & 0x3f;</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], value);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  ++i;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  value = *ptr++ >> 6;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  value |= (*ptr & 0x0f) << 2;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], value);</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ++i;</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  value = *ptr++ >> 4;</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  value |= (*ptr & 3) << 4;</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], value);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  ++i;</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  value = *ptr++ >> 2;</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], value);</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  ++i;</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  } <span class="keywordflow">else</span> { <span class="comment">// HLL_4</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& src4 = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>&<span class="keyword">></span>(src);</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> <span class="keywordtype">byte</span>: src.getHllArray()) {</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], src4.adjustRawValue(i, <span class="keywordtype">byte</span> & hll_constants::loNibbleMask));</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  ++i;</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  this->hllByteArr_[i] = std::max(this->hllByteArr_[i], src4.adjustRawValue(i, <span class="keywordtype">byte</span> >> 4));</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  ++i;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// src_k > dst_k</span></div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">const</span> uint32_t dst_mask = (1 << this->getLgConfigK()) - 1;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// special treatment below to optimize performance</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (src.getTgtHllType() == target_hll_type::HLL_8) {</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> value: src.getHllArray()) {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  processValue(i++, dst_mask, value);</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (src.getTgtHllType() == target_hll_type::HLL_6) {</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> uint32_t src_k = 1 << src.getLgConfigK();</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> uint8_t* ptr = src.getHllArray().data();</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">while</span> (i < src_k) {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  uint8_t value = *ptr & 0x3f;</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  processValue(i++, dst_mask, value);</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  value = *ptr++ >> 6;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  value |= (*ptr & 0x0f) << 2;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  processValue(i++, dst_mask, value);</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  value = *ptr++ >> 4;</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  value |= (*ptr & 3) << 4;</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  processValue(i++, dst_mask, value);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  value = *ptr++ >> 2;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  processValue(i++, dst_mask, value);</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  } <span class="keywordflow">else</span> { <span class="comment">// HLL_4</span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& src4 = <span class="keyword">static_cast<</span><span class="keyword">const </span>Hll4Array<A>&<span class="keyword">></span>(src);</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  uint32_t i = 0;</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> <span class="keywordtype">byte</span>: src.getHllArray()) {</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  processValue(i, dst_mask, src4.adjustRawValue(i, <span class="keywordtype">byte</span> & hll_constants::loNibbleMask));</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  ++i;</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  processValue(i, dst_mask, src4.adjustRawValue(i, <span class="keywordtype">byte</span> >> 4));</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  ++i;</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  this->setRebuildKxqCurminFlag(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">void</span> Hll8Array<A>::processValue(uint32_t slot, uint32_t mask, uint8_t new_val) {</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> index = slot & mask;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  this->hllByteArr_[index] = std::max(this->hllByteArr_[index], new_val);</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#endif </span><span class="comment">// _HLL8ARRAY_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_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> |
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