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1431bea8cb
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CircleCI Docs 1431bea8cb rebase
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<a href="attn_8h.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">// Copyright © 2024 Apple Inc.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &quot;<a class="code" href="attn_2loader_8h.html">mlx/backend/metal/kernels/steel/attn/loader.h</a>&quot;</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &quot;<a class="code" href="attn_2mma_8h.html">mlx/backend/metal/kernels/steel/attn/mma.h</a>&quot;</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &quot;<a class="code" href="attn_2params_8h.html">mlx/backend/metal/kernels/steel/attn/params.h</a>&quot;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &quot;<a class="code" href="backend_2metal_2kernels_2steel_2attn_2transforms_8h.html">mlx/backend/metal/kernels/steel/attn/transforms.h</a>&quot;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &quot;<a class="code" href="gemm_2params_8h.html">mlx/backend/metal/kernels/steel/gemm/params.h</a>&quot;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &quot;<a class="code" href="backend_2metal_2kernels_2steel_2utils_8h.html">mlx/backend/metal/kernels/steel/utils.h</a>&quot;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keyword">using namespace </span><a class="code hl_namespace" href="namespacemetal.html">metal</a>;</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">// GEMM kernel class</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacemlx.html">mlx</a> {</div>
<div class="foldopen" id="foldopen00019" data-start="{" data-end="}">
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"><a class="line" href="namespacemlx_1_1steel.html"> 19</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacemlx_1_1steel.html">steel</a> {</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">template</span> &lt;<span class="keywordtype">bool</span> M_aligned, <span class="keywordtype">bool</span> N_aligned, <span class="keywordtype">bool</span> K_aligned&gt;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="keyword">struct </span><a class="code hl_struct" href="structmlx_1_1steel_1_1_loop_alignment.html">LoopAlignment</a> {};</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="keyword">template</span> &lt;</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">typename</span> T,</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">typename</span> U,</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keywordtype">int</span> BM,</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">int</span> BN,</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordtype">int</span> BK,</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">int</span> WM,</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordtype">int</span> WN,</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordtype">bool</span> transpose_a,</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordtype">bool</span> transpose_b,</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> <span class="keywordtype">bool</span> MN_aligned,</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordtype">bool</span> K_aligned,</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">typename</span> AccumType = <span class="keyword">typename</span> <a class="code hl_typedef" href="structmlx_1_1steel_1_1_accum_helper.html#ae52abf69e7ba6af1a73d65d57182ed26">AccumHelper&lt;T&gt;::accum_type</a>,</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">typename</span> Epilogue = <a class="code hl_struct" href="structmlx_1_1steel_1_1_transform_none.html">TransformNone&lt;U, AccumType&gt;</a>&gt;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span><span class="keyword">struct </span><a class="code hl_struct" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html">GEMMKernel</a> {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0"> 39</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a> = 16 / <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094"> 40</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a> = 16 / <span class="keyword">sizeof</span>(T);</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ac00b149d76a903c2f91b0f477dc5037f"> 41</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ac00b149d76a903c2f91b0f477dc5037f">tgp_mem_size_a</a> =</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> transpose_a ? BK * (BM + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a>) : BM * (BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a>);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a105af1069668028c6f1bc6d6dd162298"> 43</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a105af1069668028c6f1bc6d6dd162298">tgp_mem_size_b</a> =</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> transpose_b ? BN * (BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a>) : BK * (BN + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a>);</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a1ec583584e69dcbbb72106390a4fc5da"> 45</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a1ec583584e69dcbbb72106390a4fc5da">tgp_mem_size</a> = <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ac00b149d76a903c2f91b0f477dc5037f">tgp_mem_size_a</a> + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a105af1069668028c6f1bc6d6dd162298">tgp_mem_size_b</a>;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a9058ddb73e30e83fb9c548ba22817d64"> 47</a></span> <a class="code hl_define" href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a> <span class="keywordtype">short</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a9058ddb73e30e83fb9c548ba22817d64">tgp_size</a> = WM * WN * 32;</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="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa8a04ed74d2259f99b337d4662c64d83"> 49</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa8a04ed74d2259f99b337d4662c64d83">loader_a_t</a> = <a class="code hl_struct" href="structmlx_1_1steel_1_1_block_loader.html">BlockLoader</a>&lt;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> T,</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> transpose_a ? BK : BM,</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> transpose_a ? BM : BK,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> transpose_a ? BM + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a> : BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a>,</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> !transpose_a,</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a9058ddb73e30e83fb9c548ba22817d64">tgp_size</a>&gt;;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa98f32278b5fd98c93ae5483c3596395"> 56</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa98f32278b5fd98c93ae5483c3596395">loader_b_t</a> = <a class="code hl_struct" href="structmlx_1_1steel_1_1_block_loader.html">BlockLoader</a>&lt;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> T,</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> transpose_b ? BN : BK,</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> transpose_b ? BK : BN,</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> transpose_b ? BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a> : BN + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a>,</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> transpose_b,</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a9058ddb73e30e83fb9c548ba22817d64">tgp_size</a>&gt;;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#add8c6a31011a4895667c2a94a5af3782"> 63</a></span> <span class="keyword">using </span><a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#add8c6a31011a4895667c2a94a5af3782">mma_t</a> = <a class="code hl_struct" href="structmlx_1_1steel_1_1_block_m_m_a.html">BlockMMA</a>&lt;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> T,</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> U,</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> BM,</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> BN,</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> BK,</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> WM,</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> WN,</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> transpose_a,</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> transpose_b,</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> transpose_a ? BM + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a> : BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">tgp_padding_a</a>,</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> transpose_b ? BK + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a> : BN + <a class="code hl_variable" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">tgp_padding_b</a>,</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> AccumType,</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> Epilogue&gt;;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/* Main kernel function */</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">template</span> &lt;<span class="keywordtype">bool</span> M_aligned, <span class="keywordtype">bool</span> N_aligned, <span class="keywordtype">bool</span> K_aligned_&gt;</div>
<div class="foldopen" id="foldopen00080" data-start="{" data-end="}">
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780"> 80</a></span> <span class="keyword">static</span> METAL_FUNC <span class="keywordtype">void</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">gemm_loop</a>(</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> threadgroup T* As [[threadgroup(0)]],</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> threadgroup T* Bs [[threadgroup(1)]],</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> <span class="keywordtype">int</span> gemm_k_iterations,</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa8a04ed74d2259f99b337d4662c64d83">loader_a_t</a>&amp; loader_a,</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa98f32278b5fd98c93ae5483c3596395">loader_b_t</a>&amp; loader_b,</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#add8c6a31011a4895667c2a94a5af3782">mma_t</a>&amp; mma_op,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> thread <span class="keyword">const</span> <span class="keywordtype">short</span>&amp; tgp_bm,</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> thread <span class="keyword">const</span> <span class="keywordtype">short</span>&amp; tgp_bn,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> thread <span class="keyword">const</span> <span class="keywordtype">short</span>&amp; lbk,</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_struct" href="structmlx_1_1steel_1_1_loop_alignment.html">LoopAlignment&lt;M_aligned, N_aligned, K_aligned_&gt;</a> l = {}) {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="comment">// Appease the compiler</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> (void)l;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> short2 tile_dims_A = transpose_a ? short2(tgp_bm, BK) : short2(BK, tgp_bm);</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> short2 tile_dims_B = transpose_b ? short2(BK, tgp_bn) : short2(tgp_bn, BK);</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k &lt; gemm_k_iterations; k++) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Load elements into threadgroup</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (M_aligned) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> loader_a.load_unsafe();</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> loader_a.load_safe(tile_dims_A);</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> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">if</span> (N_aligned) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> loader_b.load_unsafe();</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> loader_b.load_safe(tile_dims_B);</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> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> threadgroup_barrier(mem_flags::mem_threadgroup);</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> <span class="comment">// Multiply and accumulate threadgroup elements</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> mma_op.mma(As, Bs);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// Prepare for next iteration</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> loader_a.next();</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> loader_b.next();</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (!K_aligned_) {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> short2 tile_dims_A_last =</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> transpose_a ? short2(tgp_bm, lbk) : short2(lbk, tgp_bm);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> short2 tile_dims_B_last =</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> transpose_b ? short2(lbk, tgp_bn) : short2(tgp_bn, lbk);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> loader_a.load_safe(tile_dims_A_last);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> loader_b.load_safe(tile_dims_B_last);</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> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> mma_op.mma(As, Bs);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/* Main kernel function */</span></div>
<div class="foldopen" id="foldopen00141" data-start="{" data-end="}">
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"><a class="line" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a00e55d4a161758350ed7310817d2d2a5"> 141</a></span> <span class="keyword">static</span> METAL_FUNC <span class="keywordtype">void</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a00e55d4a161758350ed7310817d2d2a5">run</a>(</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">const</span> device T* A [[buffer(0)]],</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">const</span> device T* B [[buffer(1)]],</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> device U* D [[buffer(2)]],</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">const</span> constant <a class="code hl_struct" href="structmlx_1_1steel_1_1_g_e_m_m_params.html">GEMMParams</a>* params [[buffer(3)]],</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> threadgroup T* As [[threadgroup(0)]],</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> threadgroup T* Bs [[threadgroup(1)]],</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> uint simd_lane_id [[thread_index_in_simdgroup]],</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> uint simd_group_id [[simdgroup_index_in_threadgroup]],</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> uint3 tid [[threadgroup_position_in_grid]],</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> uint3 lid [[thread_position_in_threadgroup]]) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Pacifying compiler</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> (void)lid;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">const</span> <span class="keywordtype">int</span> tid_y = ((tid.y) &lt;&lt; params-&gt;swizzle_log) +</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> ((tid.x) &amp; ((1 &lt;&lt; params-&gt;swizzle_log) - 1));</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">const</span> <span class="keywordtype">int</span> tid_x = (tid.x) &gt;&gt; params-&gt;swizzle_log;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">if</span> (params-&gt;tiles_n &lt;= tid_x || params-&gt;tiles_m &lt;= tid_y) {</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> }</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> threadgroup_barrier(mem_flags::mem_none);</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> <span class="comment">// Find block in A, B, C</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">const</span> <span class="keywordtype">int</span> c_row = tid_y * BM;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">const</span> <span class="keywordtype">int</span> c_col = tid_x * BN;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> c_row_long = size_t(c_row);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> c_col_long = size_t(c_col);</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> A += transpose_a ? c_row_long : c_row_long * params-&gt;lda;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> B += transpose_b ? c_col_long * params-&gt;ldb : c_col_long;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> D += c_row_long * params-&gt;ldd + c_col_long;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// Prepare threadgroup loading operations</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa8a04ed74d2259f99b337d4662c64d83">loader_a_t</a> loader_a(A, params-&gt;lda, As, simd_group_id, simd_lane_id);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa98f32278b5fd98c93ae5483c3596395">loader_b_t</a> loader_b(B, params-&gt;ldb, Bs, simd_group_id, simd_lane_id);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// Prepare threadgroup mma operation</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> thread <a class="code hl_typedef" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#add8c6a31011a4895667c2a94a5af3782">mma_t</a> mma_op(simd_group_id, simd_lane_id);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordtype">int</span> gemm_k_iterations = params-&gt;gemm_k_iterations_aligned;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="comment">// MNK aligned loop</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordflow">if</span> (MN_aligned) {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k &lt; gemm_k_iterations; k++) {</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="comment">// Load elements into threadgroup</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> loader_a.load_unsafe();</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> loader_b.load_unsafe();</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Multiply and accumulate threadgroup elements</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> mma_op.mma(As, Bs);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// Prepare for next iteration</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> loader_a.next();</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> loader_b.next();</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> threadgroup_barrier(mem_flags::mem_none);</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="comment">// Loop tail</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (!K_aligned) {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordtype">int</span> lbk = params-&gt;K - params-&gt;gemm_k_iterations_aligned * BK;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> short2 tile_dims_A = transpose_a ? short2(BM, lbk) : short2(lbk, BM);</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> short2 tile_dims_B = transpose_b ? short2(lbk, BN) : short2(BN, lbk);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> loader_a.load_safe(tile_dims_A);</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> loader_b.load_safe(tile_dims_B);</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> threadgroup_barrier(mem_flags::mem_threadgroup);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> mma_op.mma(As, Bs);</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> <span class="comment">// Store results to device memory</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> mma_op.store_result(D, params-&gt;ldd);</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">// MN unaligned loop</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> <span class="keywordflow">else</span> { <span class="comment">// Loop over K - unaligned case</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordtype">short</span> tgp_bm = <a class="code hl_function" href="namespacemetal.html#a6653b28c9473087141eddce39878d4d3">min</a>(BM, params-&gt;M - c_row);</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">short</span> tgp_bn = <a class="code hl_function" href="namespacemetal.html#a6653b28c9473087141eddce39878d4d3">min</a>(BN, params-&gt;N - c_col);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">short</span> leftover_bk = params-&gt;K - params-&gt;gemm_k_iterations_aligned * BK;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">if</span> (tgp_bm == BM &amp;&amp; tgp_bn == BN) {</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">gemm_loop&lt;true, true, K_aligned&gt;</a>(</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> As,</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> Bs,</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> gemm_k_iterations,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> loader_a,</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> loader_b,</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> mma_op,</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> tgp_bm,</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> tgp_bn,</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> leftover_bk);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> mma_op.store_result(D, params-&gt;ldd);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tgp_bn == BN) {</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">gemm_loop&lt;false, true, K_aligned&gt;</a>(</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> As,</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> Bs,</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> gemm_k_iterations,</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> loader_a,</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> loader_b,</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> mma_op,</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> tgp_bm,</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> tgp_bn,</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> leftover_bk);</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> mma_op.store_result_safe(D, params-&gt;ldd, short2(tgp_bn, tgp_bm));</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tgp_bm == BM) {</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">gemm_loop&lt;true, false, K_aligned&gt;</a>(</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> As,</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> Bs,</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> gemm_k_iterations,</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> loader_a,</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> loader_b,</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> mma_op,</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> tgp_bm,</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> tgp_bn,</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> leftover_bk);</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> mma_op.store_result_safe(D, params-&gt;ldd, short2(tgp_bn, tgp_bm));</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_function" href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">gemm_loop&lt;false, false, K_aligned&gt;</a>(</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> As,</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> Bs,</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> gemm_k_iterations,</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> loader_a,</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> loader_b,</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> mma_op,</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> tgp_bm,</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> tgp_bn,</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> leftover_bk);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> mma_op.store_result_safe(D, params-&gt;ldd, short2(tgp_bn, tgp_bm));</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> }</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> }</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
</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> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span>} <span class="comment">// namespace steel</span></div>
</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span>} <span class="comment">// namespace mlx</span></div>
<div class="ttc" id="aattn_2loader_8h_html"><div class="ttname"><a href="attn_2loader_8h.html">loader.h</a></div></div>
<div class="ttc" id="aattn_2mma_8h_html"><div class="ttname"><a href="attn_2mma_8h.html">mma.h</a></div></div>
<div class="ttc" id="aattn_2params_8h_html"><div class="ttname"><a href="attn_2params_8h.html">params.h</a></div></div>
<div class="ttc" id="abackend_2metal_2kernels_2steel_2attn_2transforms_8h_html"><div class="ttname"><a href="backend_2metal_2kernels_2steel_2attn_2transforms_8h.html">transforms.h</a></div></div>
<div class="ttc" id="abackend_2metal_2kernels_2steel_2utils_8h_html"><div class="ttname"><a href="backend_2metal_2kernels_2steel_2utils_8h.html">utils.h</a></div></div>
<div class="ttc" id="agemm_2params_8h_html"><div class="ttname"><a href="gemm_2params_8h.html">params.h</a></div></div>
<div class="ttc" id="anamespacemetal_html"><div class="ttname"><a href="namespacemetal.html">metal</a></div><div class="ttdef"><b>Definition</b> bf16_math.h:226</div></div>
<div class="ttc" id="anamespacemetal_html_a6653b28c9473087141eddce39878d4d3"><div class="ttname"><a href="namespacemetal.html#a6653b28c9473087141eddce39878d4d3">metal::min</a></div><div class="ttdeci">METAL_FUNC bfloat16_t min(bfloat16_t x, bfloat16_t y)</div><div class="ttdef"><b>Definition</b> bf16_math.h:232</div></div>
<div class="ttc" id="anamespacemlx_1_1steel_html"><div class="ttname"><a href="namespacemlx_1_1steel.html">mlx::steel</a></div><div class="ttdef"><b>Definition</b> attn.h:19</div></div>
<div class="ttc" id="anamespacemlx_html"><div class="ttname"><a href="namespacemlx.html">mlx</a></div><div class="ttdef"><b>Definition</b> allocator.h:7</div></div>
<div class="ttc" id="asteel_2defines_8h_html_a90b91c866313ffa46eff6d9cc944ad2b"><div class="ttname"><a href="steel_2defines_8h.html#a90b91c866313ffa46eff6d9cc944ad2b">STEEL_CONST</a></div><div class="ttdeci">#define STEEL_CONST</div><div class="ttdef"><b>Definition</b> defines.h:3</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_accum_helper_html_ae52abf69e7ba6af1a73d65d57182ed26"><div class="ttname"><a href="structmlx_1_1steel_1_1_accum_helper.html#ae52abf69e7ba6af1a73d65d57182ed26">mlx::steel::AccumHelper::accum_type</a></div><div class="ttdeci">float accum_type</div><div class="ttdef"><b>Definition</b> transforms.h:57</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_block_loader_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_block_loader.html">mlx::steel::BlockLoader</a></div><div class="ttdef"><b>Definition</b> loader.h:25</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_block_m_m_a_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_block_m_m_a.html">mlx::steel::BlockMMA</a></div><div class="ttdef"><b>Definition</b> mma.h:377</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html">mlx::steel::GEMMKernel</a></div><div class="ttdef"><b>Definition</b> gemm.h:37</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_a00e55d4a161758350ed7310817d2d2a5"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a00e55d4a161758350ed7310817d2d2a5">mlx::steel::GEMMKernel::run</a></div><div class="ttdeci">static METAL_FUNC void run(const device T *A, const device T *B, device U *D, const constant GEMMParams *params, threadgroup T *As, threadgroup T *Bs, uint simd_lane_id, uint simd_group_id, uint3 tid, uint3 lid)</div><div class="ttdef"><b>Definition</b> attn.h:141</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_a105af1069668028c6f1bc6d6dd162298"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a105af1069668028c6f1bc6d6dd162298">mlx::steel::GEMMKernel::tgp_mem_size_b</a></div><div class="ttdeci">STEEL_CONST short tgp_mem_size_b</div><div class="ttdef"><b>Definition</b> attn.h:43</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_a1ec583584e69dcbbb72106390a4fc5da"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a1ec583584e69dcbbb72106390a4fc5da">mlx::steel::GEMMKernel::tgp_mem_size</a></div><div class="ttdeci">STEEL_CONST short tgp_mem_size</div><div class="ttdef"><b>Definition</b> attn.h:45</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_a756d7bbcc96e2919cd65eec4bc135780"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a756d7bbcc96e2919cd65eec4bc135780">mlx::steel::GEMMKernel::gemm_loop</a></div><div class="ttdeci">static METAL_FUNC void gemm_loop(threadgroup T *As, threadgroup T *Bs, const int gemm_k_iterations, thread loader_a_t &amp;loader_a, thread loader_b_t &amp;loader_b, thread mma_t &amp;mma_op, thread const short &amp;tgp_bm, thread const short &amp;tgp_bn, thread const short &amp;lbk, LoopAlignment&lt; M_aligned, N_aligned, K_aligned_ &gt; l={})</div><div class="ttdef"><b>Definition</b> attn.h:80</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_a9058ddb73e30e83fb9c548ba22817d64"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#a9058ddb73e30e83fb9c548ba22817d64">mlx::steel::GEMMKernel::tgp_size</a></div><div class="ttdeci">STEEL_CONST short tgp_size</div><div class="ttdef"><b>Definition</b> attn.h:47</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_aa8a04ed74d2259f99b337d4662c64d83"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa8a04ed74d2259f99b337d4662c64d83">mlx::steel::GEMMKernel::loader_a_t</a></div><div class="ttdeci">BlockLoader&lt; T, transpose_a ? BK :BM, transpose_a ? BM :BK, transpose_a ? BM+tgp_padding_a :BK+tgp_padding_a, !transpose_a, tgp_size &gt; loader_a_t</div><div class="ttdef"><b>Definition</b> attn.h:49</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_aa98f32278b5fd98c93ae5483c3596395"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#aa98f32278b5fd98c93ae5483c3596395">mlx::steel::GEMMKernel::loader_b_t</a></div><div class="ttdeci">BlockLoader&lt; T, transpose_b ? BN :BK, transpose_b ? BK :BN, transpose_b ? BK+tgp_padding_b :BN+tgp_padding_b, transpose_b, tgp_size &gt; loader_b_t</div><div class="ttdef"><b>Definition</b> attn.h:56</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_ac00b149d76a903c2f91b0f477dc5037f"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ac00b149d76a903c2f91b0f477dc5037f">mlx::steel::GEMMKernel::tgp_mem_size_a</a></div><div class="ttdeci">STEEL_CONST short tgp_mem_size_a</div><div class="ttdef"><b>Definition</b> attn.h:41</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_ad1b03941e869017558423c08b08bc094"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad1b03941e869017558423c08b08bc094">mlx::steel::GEMMKernel::tgp_padding_b</a></div><div class="ttdeci">STEEL_CONST short tgp_padding_b</div><div class="ttdef"><b>Definition</b> attn.h:40</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_ad547704ccbff6c2076abeffa6628c5a0"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#ad547704ccbff6c2076abeffa6628c5a0">mlx::steel::GEMMKernel::tgp_padding_a</a></div><div class="ttdeci">STEEL_CONST short tgp_padding_a</div><div class="ttdef"><b>Definition</b> attn.h:39</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_kernel_html_add8c6a31011a4895667c2a94a5af3782"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_kernel.html#add8c6a31011a4895667c2a94a5af3782">mlx::steel::GEMMKernel::mma_t</a></div><div class="ttdeci">BlockMMA&lt; T, U, BM, BN, BK, WM, WN, transpose_a, transpose_b, transpose_a ? BM+tgp_padding_a :BK+tgp_padding_a, transpose_b ? BK+tgp_padding_b :BN+tgp_padding_b, AccumType, Epilogue &gt; mma_t</div><div class="ttdef"><b>Definition</b> attn.h:63</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_g_e_m_m_params_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_g_e_m_m_params.html">mlx::steel::GEMMParams</a></div><div class="ttdef"><b>Definition</b> params.h:12</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_loop_alignment_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_loop_alignment.html">mlx::steel::LoopAlignment</a></div><div class="ttdef"><b>Definition</b> gemm.h:21</div></div>
<div class="ttc" id="astructmlx_1_1steel_1_1_transform_none_html"><div class="ttname"><a href="structmlx_1_1steel_1_1_transform_none.html">mlx::steel::TransformNone</a></div><div class="ttdef"><b>Definition</b> transforms.h:15</div></div>
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