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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<a href="static__lru__hash__map_8c.html">Go to the documentation of this file.</a><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"> * This file is part of the Aaru Data Preservation Suite.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (c) 2019-2026 Natalia Portillo.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * published by the Free Software Foundation; either version 2.1 of the</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * License, or (at your option) any later version.</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"> * This library is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * License along with this library; if not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> */</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#include &quot;<a class="code" href="static__lru__hash__map_8h.html">aaruformat/static_lru_hash_map.h</a>&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">/* ============================================================================</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment"> * Internal Constants</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment"> * ============================================================================ */</span></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"><a class="line" href="static__lru__hash__map_8c.html#ac5cb0afa03f692663c4a184c9b20ad76"> 49</a></span><span class="preprocessor">#define MIN_ACCESS_COUNT 1 </span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf"> 50</a></span><span class="preprocessor">#define TOMBSTONE_KEY 0 </span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">/* ============================================================================</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment"> * Internal Helper Functions</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment"> * ============================================================================ */</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span></div>
<div class="foldopen" id="foldopen00064" data-start="{" data-end="}">
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8c.html#a10b51676befecdb66df70abbcf9d91e9"> 64</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a10b51676befecdb66df70abbcf9d91e9">age_access_counts</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>; i++)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a> &amp;&amp; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> &gt; 1)</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> {</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// Halve with rounding up to avoid zeroing out entries too quickly</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> = (map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> + 1) / 2;</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> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>}</div>
</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span></div>
<div class="foldopen" id="foldopen00087" data-start="{" data-end="}">
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8c.html#a02e56372c0b41635899644a36bdeb746"> 87</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a02e56372c0b41635899644a36bdeb746">rehash_in_place</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span>{</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_struct" href="structlru__kv__pair__t.html">lru_kv_pair_t</a> *old_table = map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordtype">size_t</span> old_count = map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a>;</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> <span class="comment">// Allocate new table (temporary allocation during rehash)</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a> = calloc(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structlru__kv__pair__t.html">lru_kv_pair_t</a>));</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">if</span>(!map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>)</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// Allocation failed, restore old table</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a> = old_table;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</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> </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> = 0;</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> <span class="comment">// Re-insert all non-empty entries</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>; i++)</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">if</span>(old_table[i].key != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>)</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> <span class="keywordtype">size_t</span> idx = old_table[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>) idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx] = old_table[i];</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a>++;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</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> free(old_table);</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// Sanity check - count should match what we had before eviction</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> (void)old_count; <span class="comment">// Avoid unused variable warning in release builds</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span>}</div>
</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span></div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8c.html#a9cd18de8c5b76b4e109708ba0101a55d"> 139</a></span><span class="keyword">static</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a9cd18de8c5b76b4e109708ba0101a55d">evict_lru_entries</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map, <span class="keywordtype">size_t</span> target_count_out)</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> <span class="keywordflow">if</span>(target_count_out == 0) target_count_out = map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a712c31a18edc1d62378523a91e8d6ad7">target_count</a>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// Nothing to evict if we&#39;re already below target</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> &lt;= target_count_out) <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">size_t</span> entries_to_remove = map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> - target_count_out;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="comment">// Step 1: Build histogram of access counts</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="comment">// histogram[i] = number of entries with access_count == i</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">size_t</span> histogram[256] = {0};</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">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>; i++)</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> {</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>) histogram[map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a>]++;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">// Step 2: Find cutoff access_count</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="comment">// We want to evict entries with the lowest access counts</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// Find the threshold such that entries with count &lt;= threshold covers entries_to_remove</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> uint8_t cutoff = 0;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordtype">size_t</span> cumulative = 0;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; 256; i++)</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> {</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> cumulative += histogram[i];</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">if</span>(cumulative &gt;= entries_to_remove)</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> {</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> cutoff = (uint8_t)i;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</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> <span class="comment">// Step 3: Evict entries with access_count &lt;= cutoff</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">size_t</span> removed = 0;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a> &amp;&amp; removed &lt; entries_to_remove; i++)</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> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a> &amp;&amp; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> &lt;= cutoff)</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> = <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#ac33547a6970d9671d85d4af2cdf662ce">value</a> = 0;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[i].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> = 0;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> removed++;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> }</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> }</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> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> -= removed;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> map-&gt;eviction_count += removed;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> map-&gt;eviction_cycles++;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">// Step 4: Rehash to fix probe chains</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a02e56372c0b41635899644a36bdeb746">rehash_in_place</a>(map);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> removed;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>}</div>
</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="comment">/* ============================================================================</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span><span class="comment"> * Public API Implementation</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="comment"> * ============================================================================ */</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> </div>
<div class="foldopen" id="foldopen00204" data-start="{" data-end="}">
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a2c6aba784bb6cccf761347ad7c30e865"> 204</a></span><a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *<a class="code hl_function" href="static__lru__hash__map_8c.html#a2c6aba784bb6cccf761347ad7c30e865">static_lru_create_map</a>(<span class="keywordtype">size_t</span> size)</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="comment">// Enforce minimum size</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">if</span>(size &lt; <a class="code hl_define" href="static__lru__hash__map_8h.html#a4282049031b9dcd0f3c1d4f730e8af58">STATIC_LRU_MIN_SIZE</a>) size = <a class="code hl_define" href="static__lru__hash__map_8h.html#a4282049031b9dcd0f3c1d4f730e8af58">STATIC_LRU_MIN_SIZE</a>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map = malloc(<span class="keyword">sizeof</span>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a>));</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">if</span>(!map) <span class="keywordflow">return</span> NULL;</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> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a> = calloc(size, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structlru__kv__pair__t.html">lru_kv_pair_t</a>));</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">if</span>(!map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>)</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> free(map);</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="keywordflow">return</span> NULL;</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> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a> = size;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> = 0;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a3d9560e0749101f173f5af8f4cdbab3d">max_count</a> = (size_t)(size * <a class="code hl_define" href="static__lru__hash__map_8h.html#a7a71f318d85bb6078f1a173e6bd73bec">STATIC_LRU_EVICTION_LOAD_FACTOR</a>);</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a712c31a18edc1d62378523a91e8d6ad7">target_count</a> = (size_t)(size * <a class="code hl_define" href="static__lru__hash__map_8h.html#a026228d36f32c49efcc1d7994402d92b">STATIC_LRU_TARGET_LOAD_FACTOR</a>);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">age_counter</a> = 0;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#ac594a3c7b5e21f2c69447ab6f74d5128">_padding</a> = 0;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> map-&gt;total_lookups = 0;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> map-&gt;cache_hits = 0;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> map-&gt;total_inserts = 0;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> map-&gt;eviction_count = 0;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> map-&gt;eviction_cycles = 0;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="preprocessor">#endif</span></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> <span class="keywordflow">return</span> map;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span>}</div>
</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="foldopen" id="foldopen00237" data-start="{" data-end="}">
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a0dfd7086461b507c3a0e329e0d047e74"> 237</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a0dfd7086461b507c3a0e329e0d047e74">static_lru_free_map</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span>{</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">if</span>(!map) <span class="keywordflow">return</span>;</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> free(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> free(map);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span>}</div>
</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="foldopen" id="foldopen00245" data-start="{" data-end="}">
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#aa96225bd1e66d8afd7541bc4587bb88f"> 245</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#aa96225bd1e66d8afd7541bc4587bb88f">static_lru_insert_map</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map, uint64_t key, uint64_t value)</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>{</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// Trigger eviction if we&#39;ve exceeded the threshold</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> &gt;= map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a3d9560e0749101f173f5af8f4cdbab3d">max_count</a>) <a class="code hl_function" href="static__lru__hash__map_8c.html#a9cd18de8c5b76b4e109708ba0101a55d">evict_lru_entries</a>(map, 0);</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// Periodic aging of access counts</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">age_counter</a>++;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">age_counter</a> &gt;= <a class="code hl_define" href="static__lru__hash__map_8h.html#ad4401262640f8b02ee011d53bc71f2e2">STATIC_LRU_AGING_INTERVAL</a>)</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> {</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a10b51676befecdb66df70abbcf9d91e9">age_access_counts</a>(map);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">age_counter</a> = 0;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> }</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> map-&gt;total_inserts++;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span><span class="preprocessor">#endif</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> <span class="comment">// Linear probing to find slot</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordtype">size_t</span> idx = key % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</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> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a> &amp;&amp; map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != key) idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> </div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> == key)</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> {</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="comment">// Key exists - update value and boost access count</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#ac33547a6970d9671d85d4af2cdf662ce">value</a> = value;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> &lt; 255) map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a>++;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// Not a new key</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// New key insertion</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> = key;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#ac33547a6970d9671d85d4af2cdf662ce">value</a> = value;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> = <a class="code hl_define" href="static__lru__hash__map_8c.html#ac5cb0afa03f692663c4a184c9b20ad76">MIN_ACCESS_COUNT</a>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a>++;</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span>}</div>
</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> </div>
<div class="foldopen" id="foldopen00284" data-start="{" data-end="}">
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a450c1d834b74de014c5e943e662b39c0"> 284</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a450c1d834b74de014c5e943e662b39c0">static_lru_lookup_map</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map, uint64_t key, uint64_t *out_value)</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span>{</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> map-&gt;total_lookups++;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">size_t</span> idx = key % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>)</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> {</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> == key)</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> *out_value = map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#ac33547a6970d9671d85d4af2cdf662ce">value</a>;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="comment">// Increment access count (saturate at 255)</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a> &lt; 255) map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">access_count</a>++;</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> map-&gt;cache_hits++;</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> }</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</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> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span>}</div>
</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="foldopen" id="foldopen00314" data-start="{" data-end="}">
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#aead2422ca9f9aa1f4f08c65ba6dd1425"> 314</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#aead2422ca9f9aa1f4f08c65ba6dd1425">static_lru_contains_key</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map, uint64_t key)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span>{</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordtype">size_t</span> idx = key % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</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> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> != <a class="code hl_define" href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a>)</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> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">table</a>[idx].<a class="code hl_variable" href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">key</a> == key) <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span>}</div>
</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="foldopen" id="foldopen00328" data-start="{" data-end="}">
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a3fad20805fcd096bb6f4c9ec7b9e666b"> 328</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a3fad20805fcd096bb6f4c9ec7b9e666b">static_lru_evict</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map, <span class="keywordtype">size_t</span> entries_to_keep)</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a9cd18de8c5b76b4e109708ba0101a55d">evict_lru_entries</a>(map, entries_to_keep); }</div>
</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="foldopen" id="foldopen00331" data-start="{" data-end="}">
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a1682e53b3efd8786a8d0620fa12f142c"> 331</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a1682e53b3efd8786a8d0620fa12f142c">static_lru_age_counts</a>(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span>{</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a10b51676befecdb66df70abbcf9d91e9">age_access_counts</a>(map);</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">age_counter</a> = 0;</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span>}</div>
</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> </div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a5deee3df8ccae2c0c34bec4c4a28dfa2"> 337</a></span><span class="keywordtype">double</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a5deee3df8ccae2c0c34bec4c4a28dfa2">static_lru_load_factor</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map) { <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a> / (double)map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a>; }</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"><a class="line" href="static__lru__hash__map_8h.html#a1d284756f5f2f589f20dd0be5a793390"> 339</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="static__lru__hash__map_8c.html#a1d284756f5f2f589f20dd0be5a793390">static_lru_free_slots</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map) { <span class="keywordflow">return</span> map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">size</a> - map-&gt;<a class="code hl_variable" href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">count</a>; }</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span><span class="preprocessor">#ifdef STATIC_LRU_ENABLE_STATS</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span><span class="keywordtype">double</span> static_lru_hit_rate(<span class="keyword">const</span> <a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span>{</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span>(map-&gt;total_lookups == 0) <span class="keywordflow">return</span> 0.0;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> <span class="keywordflow">return</span> (<span class="keywordtype">double</span>)map-&gt;cache_hits / (double)map-&gt;total_lookups;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>}</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span><span class="keywordtype">void</span> static_lru_reset_stats(<a class="code hl_struct" href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a> *map)</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span>{</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> map-&gt;total_lookups = 0;</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> map-&gt;cache_hits = 0;</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> map-&gt;total_inserts = 0;</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> map-&gt;eviction_count = 0;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> map-&gt;eviction_cycles = 0;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span>}</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a02e56372c0b41635899644a36bdeb746"><div class="ttname"><a href="static__lru__hash__map_8c.html#a02e56372c0b41635899644a36bdeb746">rehash_in_place</a></div><div class="ttdeci">static void rehash_in_place(static_lru_hash_map_t *map)</div><div class="ttdoc">Rehashes all entries in place after eviction.</div><div class="ttdef"><b>Definition</b> <a href="#l00087">static_lru_hash_map.c:87</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a0dfd7086461b507c3a0e329e0d047e74"><div class="ttname"><a href="static__lru__hash__map_8c.html#a0dfd7086461b507c3a0e329e0d047e74">static_lru_free_map</a></div><div class="ttdeci">void static_lru_free_map(static_lru_hash_map_t *map)</div><div class="ttdoc">Frees all memory associated with a static LRU hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00237">static_lru_hash_map.c:237</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a10b51676befecdb66df70abbcf9d91e9"><div class="ttname"><a href="static__lru__hash__map_8c.html#a10b51676befecdb66df70abbcf9d91e9">age_access_counts</a></div><div class="ttdeci">static void age_access_counts(static_lru_hash_map_t *map)</div><div class="ttdoc">Ages all access counts by halving them.</div><div class="ttdef"><b>Definition</b> <a href="#l00064">static_lru_hash_map.c:64</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a1682e53b3efd8786a8d0620fa12f142c"><div class="ttname"><a href="static__lru__hash__map_8c.html#a1682e53b3efd8786a8d0620fa12f142c">static_lru_age_counts</a></div><div class="ttdeci">void static_lru_age_counts(static_lru_hash_map_t *map)</div><div class="ttdoc">Manually ages all access counts.</div><div class="ttdef"><b>Definition</b> <a href="#l00331">static_lru_hash_map.c:331</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a1d284756f5f2f589f20dd0be5a793390"><div class="ttname"><a href="static__lru__hash__map_8c.html#a1d284756f5f2f589f20dd0be5a793390">static_lru_free_slots</a></div><div class="ttdeci">size_t static_lru_free_slots(const static_lru_hash_map_t *map)</div><div class="ttdoc">Returns the number of free slots available.</div><div class="ttdef"><b>Definition</b> <a href="#l00339">static_lru_hash_map.c:339</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a2c6aba784bb6cccf761347ad7c30e865"><div class="ttname"><a href="static__lru__hash__map_8c.html#a2c6aba784bb6cccf761347ad7c30e865">static_lru_create_map</a></div><div class="ttdeci">static_lru_hash_map_t * static_lru_create_map(size_t size)</div><div class="ttdoc">Creates a new static LRU hash map with fixed size.</div><div class="ttdef"><b>Definition</b> <a href="#l00204">static_lru_hash_map.c:204</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a3fad20805fcd096bb6f4c9ec7b9e666b"><div class="ttname"><a href="static__lru__hash__map_8c.html#a3fad20805fcd096bb6f4c9ec7b9e666b">static_lru_evict</a></div><div class="ttdeci">size_t static_lru_evict(static_lru_hash_map_t *map, size_t entries_to_keep)</div><div class="ttdoc">Manually triggers eviction of least-used entries.</div><div class="ttdef"><b>Definition</b> <a href="#l00328">static_lru_hash_map.c:328</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a450c1d834b74de014c5e943e662b39c0"><div class="ttname"><a href="static__lru__hash__map_8c.html#a450c1d834b74de014c5e943e662b39c0">static_lru_lookup_map</a></div><div class="ttdeci">bool static_lru_lookup_map(static_lru_hash_map_t *map, uint64_t key, uint64_t *out_value)</div><div class="ttdoc">Looks up a value by key in the static LRU hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00284">static_lru_hash_map.c:284</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a5deee3df8ccae2c0c34bec4c4a28dfa2"><div class="ttname"><a href="static__lru__hash__map_8c.html#a5deee3df8ccae2c0c34bec4c4a28dfa2">static_lru_load_factor</a></div><div class="ttdeci">double static_lru_load_factor(const static_lru_hash_map_t *map)</div><div class="ttdoc">Returns the current load factor of the map.</div><div class="ttdef"><b>Definition</b> <a href="#l00337">static_lru_hash_map.c:337</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a78c98b319c5c78d9097645767a46f2cf"><div class="ttname"><a href="static__lru__hash__map_8c.html#a78c98b319c5c78d9097645767a46f2cf">TOMBSTONE_KEY</a></div><div class="ttdeci">#define TOMBSTONE_KEY</div><div class="ttdoc">Marker for empty/deleted slots (key=0 reserved).</div><div class="ttdef"><b>Definition</b> <a href="#l00050">static_lru_hash_map.c:50</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_a9cd18de8c5b76b4e109708ba0101a55d"><div class="ttname"><a href="static__lru__hash__map_8c.html#a9cd18de8c5b76b4e109708ba0101a55d">evict_lru_entries</a></div><div class="ttdeci">static size_t evict_lru_entries(static_lru_hash_map_t *map, size_t target_count_out)</div><div class="ttdoc">Evicts least-frequently-used entries to make room for new insertions.</div><div class="ttdef"><b>Definition</b> <a href="#l00139">static_lru_hash_map.c:139</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_aa96225bd1e66d8afd7541bc4587bb88f"><div class="ttname"><a href="static__lru__hash__map_8c.html#aa96225bd1e66d8afd7541bc4587bb88f">static_lru_insert_map</a></div><div class="ttdeci">bool static_lru_insert_map(static_lru_hash_map_t *map, uint64_t key, uint64_t value)</div><div class="ttdoc">Inserts a key-value pair into the static LRU hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00245">static_lru_hash_map.c:245</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_ac5cb0afa03f692663c4a184c9b20ad76"><div class="ttname"><a href="static__lru__hash__map_8c.html#ac5cb0afa03f692663c4a184c9b20ad76">MIN_ACCESS_COUNT</a></div><div class="ttdeci">#define MIN_ACCESS_COUNT</div><div class="ttdoc">New entries start with this access count.</div><div class="ttdef"><b>Definition</b> <a href="#l00049">static_lru_hash_map.c:49</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8c_html_aead2422ca9f9aa1f4f08c65ba6dd1425"><div class="ttname"><a href="static__lru__hash__map_8c.html#aead2422ca9f9aa1f4f08c65ba6dd1425">static_lru_contains_key</a></div><div class="ttdeci">bool static_lru_contains_key(const static_lru_hash_map_t *map, uint64_t key)</div><div class="ttdoc">Checks if a key exists in the map WITHOUT updating access count.</div><div class="ttdef"><b>Definition</b> <a href="#l00314">static_lru_hash_map.c:314</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8h_html"><div class="ttname"><a href="static__lru__hash__map_8h.html">static_lru_hash_map.h</a></div><div class="ttdoc">Static-memory hash map with LRU-like eviction for fixed RAM usage.</div></div>
<div class="ttc" id="astatic__lru__hash__map_8h_html_a026228d36f32c49efcc1d7994402d92b"><div class="ttname"><a href="static__lru__hash__map_8h.html#a026228d36f32c49efcc1d7994402d92b">STATIC_LRU_TARGET_LOAD_FACTOR</a></div><div class="ttdeci">#define STATIC_LRU_TARGET_LOAD_FACTOR</div><div class="ttdoc">Evict down to 75% capacity.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00051">static_lru_hash_map.h:51</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8h_html_a4282049031b9dcd0f3c1d4f730e8af58"><div class="ttname"><a href="static__lru__hash__map_8h.html#a4282049031b9dcd0f3c1d4f730e8af58">STATIC_LRU_MIN_SIZE</a></div><div class="ttdeci">#define STATIC_LRU_MIN_SIZE</div><div class="ttdoc">Minimum map size to prevent edge cases.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00059">static_lru_hash_map.h:59</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8h_html_a7a71f318d85bb6078f1a173e6bd73bec"><div class="ttname"><a href="static__lru__hash__map_8h.html#a7a71f318d85bb6078f1a173e6bd73bec">STATIC_LRU_EVICTION_LOAD_FACTOR</a></div><div class="ttdeci">#define STATIC_LRU_EVICTION_LOAD_FACTOR</div><div class="ttdoc">Default configuration constants for the static LRU hash map.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00047">static_lru_hash_map.h:47</a></div></div>
<div class="ttc" id="astatic__lru__hash__map_8h_html_ad4401262640f8b02ee011d53bc71f2e2"><div class="ttname"><a href="static__lru__hash__map_8h.html#ad4401262640f8b02ee011d53bc71f2e2">STATIC_LRU_AGING_INTERVAL</a></div><div class="ttdeci">#define STATIC_LRU_AGING_INTERVAL</div><div class="ttdoc">Age access counts every N operations.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00055">static_lru_hash_map.h:55</a></div></div>
<div class="ttc" id="astructlru__kv__pair__t_html"><div class="ttname"><a href="structlru__kv__pair__t.html">lru_kv_pair_t</a></div><div class="ttdoc">Single key/value slot with access tracking for the static LRU hash map.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00071">static_lru_hash_map.h:72</a></div></div>
<div class="ttc" id="astructlru__kv__pair__t_html_a6b149392e7cb888c1a26459de99b1075"><div class="ttname"><a href="structlru__kv__pair__t.html#a6b149392e7cb888c1a26459de99b1075">lru_kv_pair_t::access_count</a></div><div class="ttdeci">uint8_t access_count</div><div class="ttdoc">Access frequency counter (0-255, saturates at 255).</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00075">static_lru_hash_map.h:75</a></div></div>
<div class="ttc" id="astructlru__kv__pair__t_html_ac33547a6970d9671d85d4af2cdf662ce"><div class="ttname"><a href="structlru__kv__pair__t.html#ac33547a6970d9671d85d4af2cdf662ce">lru_kv_pair_t::value</a></div><div class="ttdeci">uint64_t value</div><div class="ttdoc">Associated value payload (64-bit).</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00074">static_lru_hash_map.h:74</a></div></div>
<div class="ttc" id="astructlru__kv__pair__t_html_adb871f5b46397dcd1c7f1ae3010f929b"><div class="ttname"><a href="structlru__kv__pair__t.html#adb871f5b46397dcd1c7f1ae3010f929b">lru_kv_pair_t::key</a></div><div class="ttdeci">uint64_t key</div><div class="ttdoc">Stored key (64-bit). 0 indicates an empty slot.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00073">static_lru_hash_map.h:73</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html"><div class="ttname"><a href="structstatic__lru__hash__map__t.html">static_lru_hash_map_t</a></div><div class="ttdoc">Fixed-size hash map with LRU-like eviction for bounded memory usage.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00097">static_lru_hash_map.h:98</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_a3d9560e0749101f173f5af8f4cdbab3d"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#a3d9560e0749101f173f5af8f4cdbab3d">static_lru_hash_map_t::max_count</a></div><div class="ttdeci">size_t max_count</div><div class="ttdoc">Eviction trigger threshold (size * EVICTION_LOAD_FACTOR).</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00102">static_lru_hash_map.h:102</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_a68079504fdb5f0c2fb08bad5efe26f21"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#a68079504fdb5f0c2fb08bad5efe26f21">static_lru_hash_map_t::age_counter</a></div><div class="ttdeci">uint32_t age_counter</div><div class="ttdoc">Operations since last aging.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00104">static_lru_hash_map.h:104</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_a712c31a18edc1d62378523a91e8d6ad7"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#a712c31a18edc1d62378523a91e8d6ad7">static_lru_hash_map_t::target_count</a></div><div class="ttdeci">size_t target_count</div><div class="ttdoc">Target count after eviction (size * TARGET_LOAD_FACTOR).</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00103">static_lru_hash_map.h:103</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_a93de58e015e1b2a4628aea05e518726a"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#a93de58e015e1b2a4628aea05e518726a">static_lru_hash_map_t::count</a></div><div class="ttdeci">size_t count</div><div class="ttdoc">Number of active (filled) entries.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00101">static_lru_hash_map.h:101</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_a9d02c3263af8f8d4ad94255884f4c80d"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#a9d02c3263af8f8d4ad94255884f4c80d">static_lru_hash_map_t::table</a></div><div class="ttdeci">lru_kv_pair_t * table</div><div class="ttdoc">Array of key/value slots of length == size.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00099">static_lru_hash_map.h:99</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_abe1dee7566699b555a9d181999d92cc8"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#abe1dee7566699b555a9d181999d92cc8">static_lru_hash_map_t::size</a></div><div class="ttdeci">size_t size</div><div class="ttdoc">Allocated slot capacity (FIXED at creation).</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00100">static_lru_hash_map.h:100</a></div></div>
<div class="ttc" id="astructstatic__lru__hash__map__t_html_ac594a3c7b5e21f2c69447ab6f74d5128"><div class="ttname"><a href="structstatic__lru__hash__map__t.html#ac594a3c7b5e21f2c69447ab6f74d5128">static_lru_hash_map_t::_padding</a></div><div class="ttdeci">uint32_t _padding</div><div class="ttdoc">Padding for alignment.</div><div class="ttdef"><b>Definition</b> <a href="static__lru__hash__map_8h_source.html#l00105">static_lru_hash_map.h:105</a></div></div>
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