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<a href="common_2ternary_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 © 2023 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><span class="preprocessor">#include &quot;<a class="code" href="allocator_8h.html">mlx/allocator.h</a>&quot;</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="array_8h.html">mlx/array.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="backend_2common_2ops_8h.html">mlx/backend/common/ops.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="backend_2common_2utils_8h.html">mlx/backend/common/utils.h</a>&quot;</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacemlx_1_1core.html">mlx::core</a> {</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">namespace </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="comment">// TODO: Add support for more combinations of input types.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="keyword">enum class</span> TernaryOpType {</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> ScalarScalarScalar,</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> VectorVectorVector,</div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> General,</div>
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<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> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span>TernaryOpType</div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span>get_ternary_op_type(<span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; a, <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; b, <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; c) {</div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> TernaryOpType topt;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <span class="keywordflow">if</span> (a.data_size() == 1 &amp;&amp; b.data_size() == 1 &amp;&amp; c.data_size() == 1) {</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> topt = TernaryOpType::ScalarScalarScalar;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> (a.flags().row_contiguous &amp;&amp; b.flags().row_contiguous &amp;&amp;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> c.flags().row_contiguous) ||</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> (a.flags().col_contiguous &amp;&amp; b.flags().col_contiguous &amp;&amp;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> c.flags().col_contiguous)) {</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> topt = TernaryOpType::VectorVectorVector;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> topt = TernaryOpType::General;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> }</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> topt;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>}</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keywordtype">void</span> set_ternary_op_output_data(</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; a,</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; b,</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; c,</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; out,</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> TernaryOpType topt,</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">bool</span> donate_with_move = <span class="keyword">false</span>) {</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">auto</span> maybe_donate = [&amp;out, donate_with_move](<span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; x) {</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacemlx_1_1core.html#af650e831ce21759da1ac103037d08d84">is_donatable</a>(x, out)) {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">if</span> (donate_with_move) {</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> out.move_shared_buffer(x);</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> out.copy_shared_buffer(x);</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">return</span> <span class="keyword">true</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="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> };</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keywordflow">switch</span> (topt) {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">case</span> TernaryOpType::ScalarScalarScalar:</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> out.set_data(</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_function" href="namespacemlx_1_1core_1_1allocator.html#a86ac0a11ff78f21e717f641716c34abc">allocator::malloc_or_wait</a>(out.itemsize()), 1, b.strides(), b.flags());</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">case</span> TernaryOpType::VectorVectorVector:</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span> (!(maybe_donate(a) || maybe_donate(b) || maybe_donate(c))) {</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> out.set_data(</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <a class="code hl_function" href="namespacemlx_1_1core_1_1allocator.html#a86ac0a11ff78f21e717f641716c34abc">allocator::malloc_or_wait</a>(out.itemsize() * b.data_size()),</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> b.data_size(),</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> b.strides(),</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> b.flags());</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">break</span>;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">case</span> TernaryOpType::General:</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// Try to donate an input which is row_contiguous</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (!((a.flags().row_contiguous &amp;&amp; maybe_donate(a)) ||</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> (b.flags().row_contiguous &amp;&amp; maybe_donate(b)) ||</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> (c.flags().row_contiguous &amp;&amp; maybe_donate(c)))) {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> out.set_data(<a class="code hl_function" href="namespacemlx_1_1core_1_1allocator.html#a86ac0a11ff78f21e717f641716c34abc">allocator::malloc_or_wait</a>(out.nbytes()));</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> }</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">break</span>;</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>}</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2, <span class="keyword">typename</span> T3, <span class="keyword">typename</span> U, <span class="keyword">typename</span> Op, <span class="keywordtype">int</span> D&gt;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keywordtype">void</span> ternary_op_dims(</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> T1* a,</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> T2* b,</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> T3* c,</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> U* out,</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> Op op,</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespacemlx_1_1core.html#a694e23f2d59606643728ad443d621416">Shape</a>&amp; shape,</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespacemlx_1_1core.html#a79939016d0972ded7db37130da2a8b5c">Strides</a>&amp; a_strides,</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespacemlx_1_1core.html#a79939016d0972ded7db37130da2a8b5c">Strides</a>&amp; b_strides,</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespacemlx_1_1core.html#a79939016d0972ded7db37130da2a8b5c">Strides</a>&amp; c_strides,</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">const</span> <a class="code hl_typedef" href="namespacemlx_1_1core.html#a79939016d0972ded7db37130da2a8b5c">Strides</a>&amp; out_strides,</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">int</span> axis) {</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">auto</span> stride_a = a_strides[axis];</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">auto</span> stride_b = b_strides[axis];</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">auto</span> stride_c = c_strides[axis];</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">auto</span> stride_out = out_strides[axis];</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">auto</span> N = shape[axis];</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> i = 0; i &lt; N; i++) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> <span class="keyword">constexpr</span> (D &gt; 1) {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> ternary_op_dims&lt;T1, T2, T3, U, Op, D - 1&gt;(</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> a,</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> b,</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> c,</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> out,</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> op,</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> shape,</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> a_strides,</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> b_strides,</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> c_strides,</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> out_strides,</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> axis + 1);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> *out = op(*a, *b, *c);</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> a += stride_a;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> b += stride_b;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> c += stride_c;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> out += stride_out;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span>}</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><span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2, <span class="keyword">typename</span> T3, <span class="keyword">typename</span> U, <span class="keyword">typename</span> Op&gt;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="keywordtype">void</span> ternary_op_dispatch_dims(</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; a,</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; b,</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; c,</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; out,</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> Op op) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">auto</span> [shape, strides] = <a class="code hl_function" href="namespacemlx_1_1core.html#a4d594bb84abeff4619d1abb77b20123e">collapse_contiguous_dims</a>(</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> a.shape(), {a.strides(), b.strides(), c.strides(), out.strides()});</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">const</span> <span class="keyword">auto</span>&amp; a_strides = strides[0];</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keyword">const</span> <span class="keyword">auto</span>&amp; b_strides = strides[1];</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">const</span> <span class="keyword">auto</span>&amp; c_strides = strides[2];</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">const</span> <span class="keyword">auto</span>&amp; out_strides = strides[3];</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> <span class="keyword">const</span> T1* a_ptr = a.data&lt;T1&gt;();</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">const</span> T2* b_ptr = b.data&lt;T2&gt;();</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">const</span> T3* c_ptr = c.data&lt;T3&gt;();</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> U* out_ptr = out.data&lt;T3&gt;();</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">int</span> ndim = shape.size();</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">switch</span> (ndim) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> ternary_op_dims&lt;T1, T2, T3, U, Op, 1&gt;(</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> a_ptr,</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> b_ptr,</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> c_ptr,</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> out_ptr,</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> op,</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> shape,</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> a_strides,</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> b_strides,</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> c_strides,</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> out_strides,</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> 0);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> ternary_op_dims&lt;T1, T2, T3, U, Op, 2&gt;(</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> a_ptr,</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> b_ptr,</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> c_ptr,</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> out_ptr,</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> op,</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> shape,</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> a_strides,</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> b_strides,</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> c_strides,</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> out_strides,</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> 0);</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</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> <a class="code hl_struct" href="structmlx_1_1core_1_1_contiguous_iterator.html">ContiguousIterator</a> a_it(shape, a_strides, ndim - 2);</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <a class="code hl_struct" href="structmlx_1_1core_1_1_contiguous_iterator.html">ContiguousIterator</a> b_it(shape, b_strides, ndim - 2);</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <a class="code hl_struct" href="structmlx_1_1core_1_1_contiguous_iterator.html">ContiguousIterator</a> c_it(shape, c_strides, ndim - 2);</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">auto</span> stride = out_strides[ndim - 3];</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> elem = 0; elem &lt; a.size(); elem += stride) {</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> ternary_op_dims&lt;T1, T2, T3, U, Op, 2&gt;(</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> a_ptr + a_it.loc,</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> b_ptr + b_it.loc,</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> c_ptr + c_it.loc,</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> out_ptr + elem,</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> op,</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> shape,</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> a_strides,</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> b_strides,</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> c_strides,</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> out_strides,</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> ndim - 2);</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> a_it.step();</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> b_it.step();</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> c_it.step();</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>}</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="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2, <span class="keyword">typename</span> T3, <span class="keyword">typename</span> U, <span class="keyword">typename</span> Op&gt;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="keywordtype">void</span> ternary_op(</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; a,</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; b,</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keyword">const</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; c,</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_class" href="classmlx_1_1core_1_1array.html">array</a>&amp; out,</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> Op op) {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> TernaryOpType topt = get_ternary_op_type(a, b, c);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> set_ternary_op_output_data(a, b, c, out, topt);</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">// The full computation is scalar-scalar-scalar so we call the base op once.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (topt == TernaryOpType::ScalarScalarScalar) {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> *(out.data&lt;U&gt;()) = op(*a.data&lt;T1&gt;(), *b.data&lt;T2&gt;(), *c.data&lt;T3&gt;());</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (topt == TernaryOpType::VectorVectorVector) {</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">const</span> T1* a_ptr = a.data&lt;T1&gt;();</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">const</span> T2* b_ptr = b.data&lt;T2&gt;();</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keyword">const</span> T3* c_ptr = c.data&lt;T3&gt;();</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> U* out_ptr = out.data&lt;U&gt;();</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; out.size(); ++i) {</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> *out_ptr = op(*a_ptr, *b_ptr, *c_ptr);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> a_ptr++;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> b_ptr++;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> c_ptr++;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> out_ptr++;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> ternary_op_dispatch_dims&lt;T1, T2, T3, U&gt;(a, b, c, out, op);</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="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>} <span class="comment">// namespace mlx::core</span></div>
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<div class="ttc" id="aclassmlx_1_1core_1_1array_html"><div class="ttname"><a href="classmlx_1_1core_1_1array.html">mlx::core::array</a></div><div class="ttdef"><b>Definition</b> array.h:24</div></div>
2024-10-15 23:12:17 +08:00
<div class="ttc" id="anamespacemlx_1_1core_1_1allocator_html_a86ac0a11ff78f21e717f641716c34abc"><div class="ttname"><a href="namespacemlx_1_1core_1_1allocator.html#a86ac0a11ff78f21e717f641716c34abc">mlx::core::allocator::malloc_or_wait</a></div><div class="ttdeci">Buffer malloc_or_wait(size_t size)</div></div>
<div class="ttc" id="anamespacemlx_1_1core_html"><div class="ttname"><a href="namespacemlx_1_1core.html">mlx::core</a></div><div class="ttdef"><b>Definition</b> allocator.h:7</div></div>
2025-01-10 05:56:20 +08:00
<div class="ttc" id="anamespacemlx_1_1core_html_a4d594bb84abeff4619d1abb77b20123e"><div class="ttname"><a href="namespacemlx_1_1core.html#a4d594bb84abeff4619d1abb77b20123e">mlx::core::collapse_contiguous_dims</a></div><div class="ttdeci">std::tuple&lt; Shape, std::vector&lt; Strides &gt; &gt; collapse_contiguous_dims(const Shape &amp;shape, const std::vector&lt; Strides &gt; &amp;strides, int64_t size_cap=std::numeric_limits&lt; int32_t &gt;::max())</div></div>
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<div class="ttc" id="anamespacemlx_1_1core_html_a79939016d0972ded7db37130da2a8b5c"><div class="ttname"><a href="namespacemlx_1_1core.html#a79939016d0972ded7db37130da2a8b5c">mlx::core::Strides</a></div><div class="ttdeci">std::vector&lt; int64_t &gt; Strides</div><div class="ttdef"><b>Definition</b> array.h:22</div></div>
<div class="ttc" id="anamespacemlx_1_1core_html_af650e831ce21759da1ac103037d08d84"><div class="ttname"><a href="namespacemlx_1_1core.html#af650e831ce21759da1ac103037d08d84">mlx::core::is_donatable</a></div><div class="ttdeci">bool is_donatable(const array &amp;in, const array &amp;out)</div><div class="ttdef"><b>Definition</b> utils.h:155</div></div>
<div class="ttc" id="astructmlx_1_1core_1_1_contiguous_iterator_html"><div class="ttname"><a href="structmlx_1_1core_1_1_contiguous_iterator.html">mlx::core::ContiguousIterator</a></div><div class="ttdef"><b>Definition</b> utils.h:73</div></div>
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