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CircleCI Docs
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docs/build/html/kernels_2softmax_8h_source.html vendored
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@@ -3,7 +3,7 @@
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<meta name="generator" content="Doxygen 1.12.0"/>
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<title>MLX: mlx/backend/metal/kernels/softmax.h Source File</title>
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@@ -11,11 +11,18 @@
<script type="text/javascript" src="dynsections.js"></script>
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@@ -28,12 +35,24 @@
<div id="projectname">MLX
</div>
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<td> <div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<span id="MSearchSelect" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()">&#160;</span>
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@@ -44,22 +63,23 @@ var searchBox = new SearchBox("searchBox", "search/",'.html');
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@@ -81,12 +101,6 @@ $(function(){ initResizable(false); });
</div>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_938ab0ecf10b8b860ff766c820f665fd.html">mlx</a></li><li class="navelem"><a class="el" href="dir_1d446c9bd3c99228254c9484e0bc5c06.html">backend</a></li><li class="navelem"><a class="el" href="dir_d0c977ea65824390717cdb7efc36c157.html">metal</a></li><li class="navelem"><a class="el" href="dir_70a37effa88bcbd6b791977fa1e64356.html">kernels</a></li> </ul>
</div>
</div><!-- top -->
<div id="doc-content">
<div class="header">
<div class="headertitle"><div class="title">softmax.h</div></div>
</div><!--header-->
@@ -129,17 +143,17 @@ $(function(){ initResizable(false); });
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; N_READS; i++) {</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> ld[i] =</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> ((lid * N_READS + i) &lt; axis_size) ? AccT(in[i]) : <a class="code hl_struct" href="struct_limits.html">Limits&lt;AccT&gt;::min</a>;</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> ((lid * N_READS + i) &lt; axis_size) ? AccT(in[i]) : <a class="code hl_variable" href="struct_limits.html#a6e81584ba65a4dc6ff9366b458e3a20e">Limits&lt;AccT&gt;::min</a>;</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> }</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (simd_group_id == 0) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> local_max[simd_lane_id] = <a class="code hl_struct" href="struct_limits.html">Limits&lt;AccT&gt;::min</a>;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> local_max[simd_lane_id] = <a class="code hl_variable" href="struct_limits.html#a6e81584ba65a4dc6ff9366b458e3a20e">Limits&lt;AccT&gt;::min</a>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> local_normalizer[simd_lane_id] = 0;</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> threadgroup_barrier(mem_flags::mem_threadgroup);</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">// Get the max</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> AccT maxval = <a class="code hl_struct" href="struct_limits.html">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> AccT maxval = <a class="code hl_variable" href="struct_limits.html#ae7469d21f2688797ca3e388d919ef05e">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; N_READS; i++) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> maxval = (maxval &lt; ld[i]) ? ld[i] : maxval;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
@@ -214,7 +228,7 @@ $(function(){ initResizable(false); });
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// Get the max and the normalizer in one go</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> AccT prevmax;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> AccT maxval = <a class="code hl_struct" href="struct_limits.html">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> AccT maxval = <a class="code hl_variable" href="struct_limits.html#ae7469d21f2688797ca3e388d919ef05e">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> AccT normalizer = 0;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> r = 0; r &lt; static_cast&lt;int&gt;(<a class="code hl_function" href="backend_2metal_2kernels_2utils_8h.html#a8e5a4b0fb5d018d7b078d147efe4f1e3">ceildiv</a>(axis_size, N_READS * lsize));</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> r++) {</div>
@@ -227,7 +241,7 @@ $(function(){ initResizable(false); });
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; N_READS; i++) {</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> vals[i] = (offset + i &lt; axis_size) ? AccT(in[offset + i])</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> : <a class="code hl_struct" href="struct_limits.html">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> : <a class="code hl_variable" href="struct_limits.html#ae7469d21f2688797ca3e388d919ef05e">Limits&lt;AccT&gt;::finite_min</a>;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> }</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> prevmax = maxval;</div>
@@ -287,17 +301,21 @@ $(function(){ initResizable(false); });
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
</div>
<div class="ttc" id="abackend_2metal_2kernels_2utils_8h_html_a8e5a4b0fb5d018d7b078d147efe4f1e3"><div class="ttname"><a href="backend_2metal_2kernels_2utils_8h.html#a8e5a4b0fb5d018d7b078d147efe4f1e3">ceildiv</a></div><div class="ttdeci">T ceildiv(T N, U M)</div><div class="ttdoc">Compute ceil((float)N/(float)M)</div><div class="ttdef"><b>Definition</b> utils.h:313</div></div>
<div class="ttc" id="abackend_2metal_2kernels_2utils_8h_html_a8e5a4b0fb5d018d7b078d147efe4f1e3"><div class="ttname"><a href="backend_2metal_2kernels_2utils_8h.html#a8e5a4b0fb5d018d7b078d147efe4f1e3">ceildiv</a></div><div class="ttdeci">T ceildiv(T N, U M)</div><div class="ttdoc">Compute ceil((float)N/(float)M)</div><div class="ttdef"><b>Definition</b> utils.h:302</div></div>
<div class="ttc" id="akernels_2softmax_8h_html_a440d4031ee5e86159a4dd715e44a438b"><div class="ttname"><a href="kernels_2softmax_8h.html#a440d4031ee5e86159a4dd715e44a438b">softmax_exp</a></div><div class="ttdeci">T softmax_exp(T x)</div><div class="ttdef"><b>Definition</b> softmax.h:4</div></div>
<div class="ttc" id="akernels_2softmax_8h_html_a815fe70f879f318e5d6e99acf043f52b"><div class="ttname"><a href="kernels_2softmax_8h.html#a815fe70f879f318e5d6e99acf043f52b">softmax_single_row</a></div><div class="ttdeci">void softmax_single_row(const device T *in, device T *out, constant int &amp;axis_size, uint gid, uint _lid, uint simd_lane_id, uint simd_group_id)</div><div class="ttdef"><b>Definition</b> softmax.h:11</div></div>
<div class="ttc" id="akernels_2softmax_8h_html_a8c47b0924ebfeebcca25f3dd17373276"><div class="ttname"><a href="kernels_2softmax_8h.html#a8c47b0924ebfeebcca25f3dd17373276">softmax_looped</a></div><div class="ttdeci">void softmax_looped(const device T *in, device T *out, constant int &amp;axis_size, uint gid, uint lid, uint lsize, uint simd_lane_id, uint simd_group_id)</div><div class="ttdef"><b>Definition</b> softmax.h:101</div></div>
<div class="ttc" id="aquantized_8h_html_a62969a218d93680f5e35d0c61b160b99"><div class="ttname"><a href="quantized_8h.html#a62969a218d93680f5e35d0c61b160b99">SIMD_SIZE</a></div><div class="ttdeci">static constant constexpr const int SIMD_SIZE</div><div class="ttdef"><b>Definition</b> quantized.h:10</div></div>
<div class="ttc" id="astruct_limits_html"><div class="ttname"><a href="struct_limits.html">Limits</a></div><div class="ttdef"><b>Definition</b> utils.h:23</div></div>
<div class="ttc" id="astruct_limits_html_a6e81584ba65a4dc6ff9366b458e3a20e"><div class="ttname"><a href="struct_limits.html#a6e81584ba65a4dc6ff9366b458e3a20e">Limits::min</a></div><div class="ttdeci">static const constant U min</div><div class="ttdef"><b>Definition</b> utils.h:25</div></div>
<div class="ttc" id="astruct_limits_html_ae7469d21f2688797ca3e388d919ef05e"><div class="ttname"><a href="struct_limits.html#ae7469d21f2688797ca3e388d919ef05e">Limits::finite_min</a></div><div class="ttdeci">static const constant U finite_min</div><div class="ttdef"><b>Definition</b> utils.h:27</div></div>
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