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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="title">AuxHashMap-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 _AUXHASHMAP_INTERNAL_HPP_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define _AUXHASHMAP_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 <stdexcept></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="preprocessor">#include "HllUtil.hpp"</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "AuxHashMap.hpp"</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span><a class="code" href="namespacedatasketches.html">datasketches</a> {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> AuxHashMap<A>::AuxHashMap(uint8_t lgAuxArrInts, uint8_t lgConfigK, <span class="keyword">const</span> A& allocator):</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> lgConfigK(lgConfigK),</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> lgAuxArrInts(lgAuxArrInts),</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> auxCount(0),</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> entries(1ULL << lgAuxArrInts, 0, allocator)</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {}</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> AuxHashMap<A>* AuxHashMap<A>::newAuxHashMap(uint8_t lgAuxArrInts, uint8_t lgConfigK, <span class="keyword">const</span> A& allocator) {</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (ahmAlloc(allocator).allocate(1)) AuxHashMap<A>(lgAuxArrInts, lgConfigK, allocator);</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> AuxHashMap<A>* AuxHashMap<A>::newAuxHashMap(<span class="keyword">const</span> AuxHashMap& that) {</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (ahmAlloc(that.entries.get_allocator()).allocate(1)) AuxHashMap<A>(that);</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</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> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> AuxHashMap<A>* AuxHashMap<A>::deserialize(<span class="keyword">const</span> <span class="keywordtype">void</span>* bytes, <span class="keywordtype">size_t</span> len,</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint8_t lgConfigK,</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint32_t auxCount, uint8_t lgAuxArrInts,</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">bool</span> srcCompact, <span class="keyword">const</span> A& allocator) {</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  uint8_t lgArrInts = lgAuxArrInts;</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (srcCompact) { <span class="comment">// early compact versions didn't use LgArr byte field so ignore input</span></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  lgArrInts = HllUtil<A>::computeLgArrInts(HLL, auxCount, lgConfigK);</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  } <span class="keywordflow">else</span> { <span class="comment">// updatable</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  lgArrInts = lgAuxArrInts;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> uint32_t configKmask = (1 << lgConfigK) - 1;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  AuxHashMap<A>* auxHashMap;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> uint32_t* auxPtr = <span class="keyword">static_cast<</span><span class="keyword">const </span>uint32_t*<span class="keyword">></span>(bytes);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (srcCompact) {</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">if</span> (len < auxCount * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>)) {</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input array too small to hold AuxHashMap image"</span>);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  auxHashMap = <span class="keyword">new</span> (ahmAlloc(allocator).allocate(1)) AuxHashMap<A>(lgArrInts, lgConfigK, allocator);</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < auxCount; ++i) {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">const</span> uint32_t pair = auxPtr[i];</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> uint32_t slotNo = HllUtil<A>::getLow26(pair) & configKmask;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> uint8_t value = HllUtil<A>::getValue(pair);</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  auxHashMap->mustAdd(slotNo, value);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  } <span class="keywordflow">else</span> { <span class="comment">// updatable</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint32_t itemsToRead = 1 << lgAuxArrInts;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (len < itemsToRead * <span class="keyword">sizeof</span>(uint32_t)) {</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">throw</span> std::out_of_range(<span class="stringliteral">"Input array too small to hold AuxHashMap image"</span>);</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  auxHashMap = <span class="keyword">new</span> (ahmAlloc(allocator).allocate(1)) AuxHashMap<A>(lgArrInts, lgConfigK, allocator);</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < itemsToRead; ++i) {</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> uint32_t pair = auxPtr[i];</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (pair == hll_constants::EMPTY) { <span class="keywordflow">continue</span>; }</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> uint32_t slotNo = HllUtil<A>::getLow26(pair) & configKmask;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> uint8_t value = HllUtil<A>::getValue(pair);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  auxHashMap->mustAdd(slotNo, value);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (auxHashMap->getAuxCount() != auxCount) {</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  make_deleter()(auxHashMap);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Deserialized AuxHashMap has wrong number of entries"</span>);</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> auxHashMap; </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> AuxHashMap<A>* AuxHashMap<A>::deserialize(std::istream& is, uint8_t lgConfigK,</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  uint32_t auxCount, uint8_t lgAuxArrInts,</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">bool</span> srcCompact, <span class="keyword">const</span> A& allocator) {</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  uint8_t lgArrInts = lgAuxArrInts;</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (srcCompact) { <span class="comment">// early compact versions didn't use LgArr byte field so ignore input</span></div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  lgArrInts = HllUtil<A>::computeLgArrInts(HLL, auxCount, lgConfigK);</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  } <span class="keywordflow">else</span> { <span class="comment">// updatable</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  lgArrInts = lgAuxArrInts;</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  AuxHashMap<A>* auxHashMap = <span class="keyword">new</span> (ahmAlloc(allocator).allocate(1)) AuxHashMap<A>(lgArrInts, lgConfigK, allocator);</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</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 name="l00111"></a><span class="lineno"> 111</span>  aux_hash_map_ptr aux_ptr(auxHashMap, auxHashMap->make_deleter());</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>  <span class="keyword">const</span> uint32_t configKmask = (1 << lgConfigK) - 1;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (srcCompact) {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < auxCount; ++i) {</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pair = read<int>(is);</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  uint32_t slotNo = HllUtil<A>::getLow26(pair) & configKmask;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  uint8_t value = HllUtil<A>::getValue(pair);</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  auxHashMap->mustAdd(slotNo, value);</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">else</span> { <span class="comment">// updatable</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> uint32_t itemsToRead = 1 << lgAuxArrInts;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < itemsToRead; ++i) {</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pair = read<int>(is);</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (pair == hll_constants::EMPTY) { <span class="keywordflow">continue</span>; }</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> uint32_t slotNo = HllUtil<A>::getLow26(pair) & configKmask;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> uint8_t value = HllUtil<A>::getValue(pair);</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  auxHashMap->mustAdd(slotNo, value);</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (auxHashMap->getAuxCount() != auxCount) {</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  make_deleter()(auxHashMap);</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Deserialized AuxHashMap has wrong number of entries"</span>);</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> aux_ptr.release();</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> std::function<void(AuxHashMap<A>*)> AuxHashMap<A>::make_deleter() {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> [](AuxHashMap<A>* ptr) {</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ahmAlloc alloc(ptr->entries.get_allocator());</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  ptr->~AuxHashMap();</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  alloc.deallocate(ptr, 1);</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  };</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> AuxHashMap<A>* AuxHashMap<A>::copy()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> (ahmAlloc(entries.get_allocator()).allocate(1)) AuxHashMap<A>(*<span class="keyword">this</span>);</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="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> uint32_t AuxHashMap<A>::getAuxCount()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> auxCount;</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> uint32_t* AuxHashMap<A>::getAuxIntArr(){</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> entries.data();</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>  </div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> uint8_t AuxHashMap<A>::getLgAuxArrInts()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> lgAuxArrInts;</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> uint32_t AuxHashMap<A>::getCompactSizeBytes()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> auxCount << 2;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> }</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> uint32_t AuxHashMap<A>::getUpdatableSizeBytes()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> 4 << lgAuxArrInts;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</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="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">void</span> AuxHashMap<A>::mustAdd(uint32_t slotNo, uint8_t value) {</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">const</span> int32_t index = find(entries.data(), lgAuxArrInts, lgConfigK, slotNo);</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> uint32_t entry_pair = HllUtil<A>::pair(slotNo, value);</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (index >= 0) {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Found a slotNo that should not be there: SlotNo: "</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  + std::to_string(slotNo) + <span class="stringliteral">", Value: "</span> + std::to_string(value));</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</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>  <span class="comment">// found empty entry</span></div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  entries[~index] = entry_pair;</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  ++auxCount;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  checkGrow();</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> uint8_t AuxHashMap<A>::mustFindValueFor(uint32_t slotNo)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> int32_t index = find(entries.data(), lgAuxArrInts, lgConfigK, slotNo);</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (index >= 0) {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">return</span> HllUtil<A>::getValue(entries[index]);</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>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"slotNo not found: "</span> + std::to_string(slotNo));</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keywordtype">void</span> AuxHashMap<A>::mustReplace(uint32_t slotNo, uint8_t value) {</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> int32_t idx = find(entries.data(), lgAuxArrInts, lgConfigK, slotNo);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (idx >= 0) {</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  entries[idx] = HllUtil<A>::pair(slotNo, value);</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"Pair not found: SlotNo: "</span> + std::to_string(slotNo)</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  + <span class="stringliteral">", Value: "</span> + std::to_string(value));</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="keywordtype">void</span> AuxHashMap<A>::checkGrow() {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> ((hll_constants::RESIZE_DENOM * auxCount) > (hll_constants::RESIZE_NUMER * (1 << lgAuxArrInts))) {</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  growAuxSpace();</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="keywordtype">void</span> AuxHashMap<A>::growAuxSpace() {</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> configKmask = (1 << lgConfigK) - 1;</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> newArrLen = 1 << ++lgAuxArrInts;</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  vector_int entries_new(newArrLen, 0, entries.get_allocator());</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < entries.size(); ++i) {</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> uint32_t fetched = entries[i];</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (fetched != hll_constants::EMPTY) {</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// find empty in new array</span></div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> int32_t idx = find(entries_new.data(), lgAuxArrInts, lgConfigK, fetched & configKmask);</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  entries_new[~idx] = fetched;</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  entries = std::move(entries_new);</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span> }</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment">//Searches the Aux arr hash table for an empty or a matching slotNo depending on the context.</span></div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">//If entire entry is empty, returns one's complement of index = found empty.</span></div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">//If entry contains given slotNo, returns its index = found slotNo.</span></div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">//Continues searching.</span></div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">//If the probe comes back to original index, throws an exception.</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> int32_t AuxHashMap<A>::find(<span class="keyword">const</span> uint32_t* auxArr, uint8_t lgAuxArrInts, uint8_t lgConfigK, uint32_t slotNo) {</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> uint32_t auxArrMask = (1 << lgAuxArrInts) - 1;</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">const</span> uint32_t configKmask = (1 << lgConfigK) - 1;</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  uint32_t probe = slotNo & auxArrMask;</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> uint32_t loopIndex = probe;</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">do</span> {</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">const</span> uint32_t arrVal = auxArr[probe];</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (arrVal == hll_constants::EMPTY) { <span class="comment">//Compares on entire entry</span></div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> ~probe; <span class="comment">//empty</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (slotNo == (arrVal & configKmask)) { <span class="comment">//Compares only on slotNo</span></div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> probe; <span class="comment">//found given slotNo, return probe = index into aux array</span></div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keyword">const</span> uint32_t stride = (slotNo >> lgAuxArrInts) | 1;</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  probe = (probe + stride) & auxArrMask;</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  } <span class="keywordflow">while</span> (probe != loopIndex);</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Key not found and no empty slots!"</span>);</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> coupon_iterator<A> AuxHashMap<A>::begin(<span class="keywordtype">bool</span> all)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> coupon_iterator<A>(entries.data(), 1ULL << lgAuxArrInts, 0, all);</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">template</span><<span class="keyword">typename</span> A></div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> coupon_iterator<A> AuxHashMap<A>::end()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> coupon_iterator<A>(entries.data(), 1ULL << lgAuxArrInts, 1ULL << lgAuxArrInts, <span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> }</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="preprocessor">#endif </span><span class="comment">// _AUXHASHMAP_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> |
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