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<div class="title">BatchMatMulImpl.cpp</div> </div>
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<a href="_batch_mat_mul_impl_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Copyright © 2022, 2024 Arm Ltd and Contributors. All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// SPDX-License-Identifier: MIT</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_batch_mat_mul_impl_8hpp.html">BatchMatMulImpl.hpp</a>&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160; </div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="_workload_data_8hpp.html">armnn/backends/WorkloadData.hpp</a>&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="_logging_8hpp.html">armnn/Logging.hpp</a>&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="_permute_8hpp.html">armnnUtils/Permute.hpp</a>&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacearmnn.html">armnn</a></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;{</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="classarmnn_1_1_batch_mat_mul.html#a7c4e7bac563e596b1a775dd7e19b9e7f"> 15</a></span>&#160;<a class="code" href="classarmnn_1_1_batch_mat_mul.html#a7c4e7bac563e596b1a775dd7e19b9e7f">BatchMatMul::BatchMatMul</a>(<span class="keyword">const</span> <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html">BatchMatMulDescriptor</a>&amp; params,</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>&amp; inputXInfo,</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>&amp; inputYInfo,</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>&amp; outputInfo,</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <a class="code" href="classarmnn_1_1_decoder.html">Decoder&lt;float&gt;</a>&amp; inputXDecoder,</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <a class="code" href="classarmnn_1_1_decoder.html">Decoder&lt;float&gt;</a>&amp; inputYDecoder,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <a class="code" href="classarmnn_1_1_encoder.html">Encoder&lt;float&gt;</a>&amp; outputEncoder)</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; : params(params),</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; inputXInfo(inputXInfo),</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; inputYInfo(inputYInfo),</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; outputInfo(outputInfo),</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; inputXDecoder(inputXDecoder),</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; inputYDecoder(inputYDecoder),</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; outputEncoder(outputEncoder)</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;{</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; inputXData = this-&gt;inputXDecoder.<a class="code" href="classarmnn_1_1_decoder.html#aafe0168dd5ece89e7c62e8d83a4e57cd">DecodeTensor</a>(inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; inputYData = this-&gt;inputYDecoder.<a class="code" href="classarmnn_1_1_decoder.html#aafe0168dd5ece89e7c62e8d83a4e57cd">DecodeTensor</a>(inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="comment">// At this point, we don&#39;t touch the input decoders - just the resultant vectors</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; ApplyParams();</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; ApplyBatchMatMul();</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;}</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keywordtype">void</span> BatchMatMul::ApplyBatchMatMul()</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">auto</span> axesXToMul = <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a58a8b597d58396266e06dd2c415154a2">BatchMatMulDescriptor::GetAxesToMul</a>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aedca000a005e091c23191e82d7e81b1d">m_DataLayoutX</a>,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">auto</span> axesYToMul = <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a58a8b597d58396266e06dd2c415154a2">BatchMatMulDescriptor::GetAxesToMul</a>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aaf7828880989b4b9378d3e86aa6dc843">m_DataLayoutY</a>,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; AdjustAxesToMulForUnequalRanks(axesXToMul, axesYToMul);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inputXColDim = axesXToMul.second;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inputYRowDim = axesYToMul.first;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inputYRowSize = inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[inputYRowDim];</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">auto</span> batchMatMulOperation = [&amp;](<span class="keyword">const</span> std::vector&lt;unsigned int&gt;&amp; curIdx)</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordtype">float</span> sum = 0.0f;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// InputYRowSize is synonymous with inputXColSize</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> inputYRowIdx = 0; inputYRowIdx &lt; inputYRowSize; inputYRowIdx++) {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">auto</span> xIdx = curIdx;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; xIdx[inputXColDim] = inputYRowIdx;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">auto</span> yIdx = curIdx;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; yIdx[inputYRowDim] = inputYRowIdx;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; sum += (GetValueAt(DataSlot::InputX, xIdx) * GetValueAt(DataSlot::InputY, yIdx));</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; SetValueAt(sum, DataSlot::Output, curIdx);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; };</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">auto</span> startIdx = std::vector&lt;unsigned int&gt;(outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>(), 0);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; RecurseTensor(outputInfo,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; batchMatMulOperation,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; startIdx,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; 0);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;}</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="keywordtype">void</span> BatchMatMul::ApplyParams()</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;{</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">if</span>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#acb441bb8db19bcce78d15cdd8ceb5ea0">m_TransposeX</a>)</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; Transpose(DataSlot::InputX);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a0cf8306be7d301de0f095fff9901a525">m_AdjointX</a>)</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; Adjoint(DataSlot::InputX);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">if</span>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a112b466e5d2ab9d1887178adbe3afa1c">m_TransposeY</a>)</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; Transpose(DataSlot::InputY);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#ad945fc98770356dd886a68e98a52e26b">m_AdjointY</a>)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; Adjoint(DataSlot::InputY);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="keywordtype">void</span> BatchMatMul::Transpose(DataSlot type)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;{</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// AKA the permute of the tensor</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="comment">// This modifies the tensor&#39;s info.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">case</span> DataSlot::InputX:</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">auto</span> permuteVec = <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a85e74c2aeaf6fc124e9582329a82d72b">BatchMatMulDescriptor::GetPermuteVec</a>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aedca000a005e091c23191e82d7e81b1d">m_DataLayoutX</a>,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; inputXInfo = <a class="code" href="namespacearmnn_utils.html#abeaf4f6785039866fd075f4569ba8e84">armnnUtils::Permuted</a>(inputXInfo, permuteVec);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; std::vector&lt;float&gt; temp(inputXData.size());</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <a class="code" href="namespacearmnn_utils.html#af3c74017185773dd61d8ca6662d65d43">armnnUtils::Permute</a>(inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>(),</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; permuteVec,</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; inputXData.data(),</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; temp.data(),</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; inputXData = temp;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">case</span> DataSlot::InputY:</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keyword">auto</span> permuteVec = <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a85e74c2aeaf6fc124e9582329a82d72b">BatchMatMulDescriptor::GetPermuteVec</a>(params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aaf7828880989b4b9378d3e86aa6dc843">m_DataLayoutY</a>,</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>());</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; inputYInfo = <a class="code" href="namespacearmnn_utils.html#abeaf4f6785039866fd075f4569ba8e84">armnnUtils::Permuted</a>(inputYInfo, permuteVec);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; std::vector&lt;float&gt; temp(inputYData.size());</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <a class="code" href="namespacearmnn_utils.html#af3c74017185773dd61d8ca6662d65d43">armnnUtils::Permute</a>(inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>(),</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; permuteVec,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; inputYData.data(),</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; temp.data(),</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>));</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; inputYData = temp;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">case</span> DataSlot::Output: <span class="comment">// We needn&#39;t transpose the output tensor</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;}</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;<span class="keywordtype">void</span> BatchMatMul::Adjoint(DataSlot type)</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;{</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// Finding the adjoint of a square matrix:</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// Calculate the cofactor of each element (using Gauss elimination here)</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// Apply a transpose to it (this also modifies the tensor&#39;s info)</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; TensorInfo&amp; inputInfo = (type == DataSlot::InputX) ? inputXInfo : inputYInfo;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span>&amp; dataLayout = (type == DataSlot::InputX) ? params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aedca000a005e091c23191e82d7e81b1d">m_DataLayoutX</a> : params.<a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#aaf7828880989b4b9378d3e86aa6dc843">m_DataLayoutY</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> axesToAdjoint = <a class="code" href="structarmnn_1_1_batch_mat_mul_descriptor.html#a58a8b597d58396266e06dd2c415154a2">BatchMatMulDescriptor::GetAxesToMul</a>(dataLayout,inputInfo.GetShape());</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="comment">// We grab a copy of the tensor data to prevent overwriting</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; std::vector&lt;float&gt; inputDataClone = (type == DataSlot::InputX) ? inputXData : inputYData;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// The sub-matrix is the resultant matrix when the row and column of the current index is removed</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> subMatAxisSize = inputInfo.GetShape()[axesToAdjoint.first] - 1;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; std::vector&lt;std::vector&lt;float&gt;&gt; subMat(subMatAxisSize,</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; std::vector&lt;float&gt;(subMatAxisSize));</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="comment">// Lambdas for each sub-step of the cofactor operation</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">auto</span> almostEquals = [&amp;](<span class="keyword">const</span> <span class="keywordtype">float</span>&amp; a, <span class="keyword">const</span> <span class="keywordtype">float</span>&amp; b, <span class="keywordtype">float</span> unitsInLastPlace = 2.0f)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordtype">float</span> diff = std::fabs(a-b);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">float</span> bound = diff * std::numeric_limits&lt;float&gt;::epsilon() * unitsInLastPlace;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> (diff &lt;= bound) || (diff &lt; std::numeric_limits&lt;float&gt;::min());</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; };</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordtype">float</span> swapMultiplier = std::numeric_limits&lt;float&gt;::max();</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keyword">auto</span> swapRows = [&amp;](<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rowIdxA, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rowIdxB)</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="comment">// Every row swap flips this around by the negative (set to 1 at the beginning of each cofactor op run)</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> colIdx = 0; colIdx &lt; subMatAxisSize; colIdx++)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordtype">float</span> tmp = subMat[rowIdxA][colIdx];</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; subMat[rowIdxA][colIdx] = subMat[rowIdxB][colIdx];</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; subMat[rowIdxB][colIdx] = tmp;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; swapMultiplier *= -1.0f;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; };</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keyword">auto</span> findNextValidPivotRowIdx = [&amp;](<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> colIdx)</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> result = std::numeric_limits&lt;unsigned int&gt;::max();</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// The original diagonal has been checked and is invalid</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rowIdx = colIdx+1; rowIdx &lt; subMatAxisSize; rowIdx++)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">if</span>(!almostEquals(subMat[rowIdx][colIdx], 0.0f))</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; result = rowIdx;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; };</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keyword">auto</span> eliminate = [&amp;](<span class="keyword">const</span> <span class="keywordtype">float</span>&amp; pivot, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pivotPos)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rowIdx = pivotPos+1; rowIdx &lt; subMatAxisSize; rowIdx++)</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keywordtype">float</span> multiplierNumerator = subMat[rowIdx][pivotPos];</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">if</span>(almostEquals(multiplierNumerator, 0.0f))</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordtype">float</span> multiplier = multiplierNumerator / pivot; <span class="comment">// Susceptible to floating point inaccuracies</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="comment">// Hence the almostEquals usage to counteract this</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> colIdx = pivotPos; colIdx &lt; subMatAxisSize; colIdx++)</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="comment">// We start at col=pivotPos as we have assumed that all elements</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="comment">// to our left have been eliminated to zero already</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="comment">// We subtract based on the element directly above us in our pivot row</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; subMat[rowIdx][colIdx] -= multiplier * subMat[pivotPos][colIdx];</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; };</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keyword">auto</span> cofactorOperation = [&amp;](<span class="keyword">const</span> std::vector&lt;unsigned int&gt;&amp; curIdx)</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; {</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keyword">auto</span> row = curIdx[axesToAdjoint.first];</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keyword">auto</span> col = curIdx[axesToAdjoint.second];</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; </div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordtype">float</span> minorMultiplier = <span class="keyword">static_cast&lt;</span><span class="keywordtype">float</span><span class="keyword">&gt;</span>(std::pow(-1, (row + 1 + col + 1)));</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> subRow = 0; subRow &lt; subMatAxisSize; subRow++)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> subCol = 0; subCol &lt; subMatAxisSize; subCol++)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> outerRow = (subRow &gt;= row)?subRow + 1:subRow;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> outerCol = (subCol &gt;= col)?subCol + 1:subCol;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keyword">auto</span> cloneIdx = curIdx;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; cloneIdx[axesToAdjoint.first] = outerRow;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; cloneIdx[axesToAdjoint.second] = outerCol;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; subMat[subRow][subCol] = GetValueAt(type,cloneIdx,inputDataClone);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keywordtype">float</span> determinant = 1.0f;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="comment">// Cover the edge cases and simple base cases before resorting to Gauss elimination for larger matrices</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">switch</span>(subMatAxisSize)</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordflow">case</span> 0:</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; determinant = GetValueAt(type, curIdx, inputDataClone);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordflow">case</span> 1:</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="comment">// If the resultant sub-matrix is just one element - that&#39;s the determinant</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; determinant = subMat[0][0];</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="keywordflow">case</span> 2:</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="comment">// For a 2x2 sub-matrix, the determinant is just a*d-b*c</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; determinant = subMat[0][0] * subMat[1][1] -</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; subMat[0][1] * subMat[1][0];</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="comment">// Gaussian elimination to find the determinant of this sub-matrix</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; swapMultiplier = 1.0f;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="comment">// March diagonally down the pivots and if it&#39;s invalid (a zero), swap the row with the</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="comment">// nearest non-zero down within the column</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pivotRow = 0, pivotCol = 0;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; pivotRow &lt; subMatAxisSize;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; pivotRow++, pivotCol++)</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; {</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="keywordtype">float</span>&amp; pivot = subMat[pivotRow][pivotCol];</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordflow">if</span>(almostEquals(pivot, 0.0f))</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nextValidPivotRowIdx = findNextValidPivotRowIdx(pivotCol);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">if</span>(nextValidPivotRowIdx == std::numeric_limits&lt;unsigned int&gt;::max())</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="comment">// No valid pivot down this column, which means that this pivot remains a zero.</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="comment">// This results in the determinant for this entire sub-matrix to just be zero.</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; determinant = 0.0f;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; swapRows(pivotRow, nextValidPivotRowIdx);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; determinant *= pivot;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="comment">// The actual elimination bit (which will update/propagate to the pivots down the line)</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; eliminate(pivot, pivotRow); <span class="comment">// Synonymous with pivotCol</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; determinant *= swapMultiplier;</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; }</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="keywordtype">float</span> cofactor = minorMultiplier * determinant;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; SetValueAt(cofactor, type, curIdx);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; };</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keyword">auto</span> startIdx = std::vector&lt;unsigned int&gt;(inputInfo.GetNumDimensions(), 0);</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; RecurseTensor(inputInfo,</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; cofactorOperation,</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; startIdx,</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; 0);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; </div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; Transpose(type);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;}</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160;<span class="keywordtype">void</span> BatchMatMul::RecurseTensor(<span class="keyword">const</span> TensorInfo&amp; tensorInfo,</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keyword">const</span> std::function&lt;<span class="keywordtype">void</span>(<span class="keyword">const</span> std::vector&lt;unsigned int&gt;&amp;)&gt;&amp; operation,</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; std::vector&lt;unsigned int&gt;&amp; curIdx,</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> curDim)</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160;{</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="keywordflow">if</span>(!(curDim &lt; tensorInfo.GetNumDimensions()))</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; {</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="comment">// We&#39;re at the leaf level of this call tree, so we operate here (each leaf is a data point)</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; operation(curIdx);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; tensorInfo.GetShape()[curDim]; i++)</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; {</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; curIdx[curDim] = i;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; RecurseTensor(tensorInfo,</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; operation,</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; curIdx,</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; curDim + 1);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160;}</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;<span class="keywordtype">void</span> BatchMatMul::AdjustAxesToMulForUnequalRanks(std::pair&lt;unsigned int, unsigned int&gt;&amp; axesXToMul,</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; std::pair&lt;unsigned int, unsigned int&gt;&amp; axesYToMul)</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;{</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <span class="keywordtype">int</span> rankDiff = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>()) -</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>());</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <span class="keywordflow">if</span>(rankDiff == 0)</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(rankDiff &lt; 0)</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="comment">// Y is the larger one</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; axesXToMul.first += <span class="keyword">static_cast&lt;</span>std::make_unsigned&lt;unsigned int&gt;::type<span class="keyword">&gt;</span>(std::abs(rankDiff));</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; axesXToMul.second += <span class="keyword">static_cast&lt;</span>std::make_unsigned&lt;unsigned int&gt;::type<span class="keyword">&gt;</span>(std::abs(rankDiff));</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; }</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span>(rankDiff &gt; 0)</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; {</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="comment">// X is the larger one</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; axesYToMul.first += <span class="keyword">static_cast&lt;</span>std::make_unsigned&lt;unsigned int&gt;::type<span class="keyword">&gt;</span>(std::abs(rankDiff));</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; axesYToMul.second += <span class="keyword">static_cast&lt;</span>std::make_unsigned&lt;unsigned int&gt;::type<span class="keyword">&gt;</span>(std::abs(rankDiff));</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; }</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160;}</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; </div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160;<span class="keywordtype">float</span> BatchMatMul::GetValueAt(DataSlot type, std::vector&lt;unsigned int&gt; idx, <span class="keyword">const</span> std::vector&lt;float&gt;&amp; customData)</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160;{</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="comment">// This gets the data from the input vector that we have, Not the decoder</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; <span class="comment">// But for the output, it is operating on the encoder itself</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; </div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; AdjustToSafeIdx(type, idx);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flatIdx = CalcFlatIdx(type, idx);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="keywordtype">float</span> value = 0.0f;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; <span class="keywordflow">case</span> DataSlot::InputX:</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; value = customData.empty() ? inputXData[flatIdx] : customData[flatIdx];</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">case</span> DataSlot::InputY:</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; value = customData.empty() ? inputYData[flatIdx] : customData[flatIdx];</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; <span class="keywordflow">case</span> DataSlot::Output:</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; outputEncoder[flatIdx];</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; value = outputEncoder.<a class="code" href="classarmnn_1_1_encoder.html#ac729108381e2340bea12877971713ecb">Get</a>();</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="keywordflow">return</span> value;</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160;}</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160;<span class="keywordtype">void</span> BatchMatMul::SetValueAt(<span class="keywordtype">float</span> value, DataSlot type, std::vector&lt;unsigned int&gt; idx)</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160;{</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; AdjustToSafeIdx(type, idx);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flatIdx = CalcFlatIdx(type, idx);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; <span class="keywordflow">case</span> DataSlot::InputX:</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; inputXData[flatIdx] = value;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; <span class="keywordflow">case</span> DataSlot::InputY:</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; inputYData[flatIdx] = value;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="keywordflow">case</span> DataSlot::Output:</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; outputEncoder[flatIdx];</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; outputEncoder.<a class="code" href="classarmnn_1_1_encoder.html#ae3b62b846a9c239f332830b9e36030eb">Set</a>(value);</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160;}</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; </div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160;<span class="keywordtype">void</span> BatchMatMul::AdjustToSafeIdx(DataSlot type, std::vector&lt;unsigned int&gt;&amp; idx)</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160;{</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dim = 0; dim &lt; idx.size(); dim++)</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; {</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="keywordflow">case</span> DataSlot::InputX:</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; {</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="keyword">auto</span> xRank = inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>();</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="keyword">auto</span> xDiff = outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>() - xRank;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; <span class="keywordflow">if</span> (dim &lt; xDiff ||</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; idx[dim] &gt; inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[dim-xDiff]-1)</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; {</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; idx[dim] = 0; <span class="comment">// Broadcasting</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; }</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; }</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; <span class="keywordflow">case</span> DataSlot::InputY:</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; <span class="keyword">auto</span> yRank = inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>();</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; <span class="keyword">auto</span> yDiff = outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>() - yRank;</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keywordflow">if</span> (dim &lt; yDiff ||</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; idx[dim] &gt; inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[dim-yDiff]-1)</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; {</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; idx[dim] = 0;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; }</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; }</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; <span class="keywordflow">case</span> DataSlot::Output:</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="comment">// Our indices are based off the output</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160;}</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BatchMatMul::CalcFlatIdx(DataSlot type, <span class="keyword">const</span> std::vector&lt;unsigned int&gt;&amp; idx)</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160;{</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> result = idx[idx.size()-1];</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dimMultiplier = 1;</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; </div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; <span class="comment">// -2 because final dim is already accounted for in the multiplier (last dim is just a multiplier of 1x)</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = <span class="keyword">static_cast&lt;</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">&gt;</span>(idx.size()-2); <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(i) &gt;= 0; i--)</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; {</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160; {</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="keywordflow">case</span> DataSlot::InputX:</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; offset = outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>() - inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>();</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; dimMultiplier *= inputXInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[i + 1 - offset];</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; <span class="keywordflow">case</span> DataSlot::InputY:</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; offset = outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>() - inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a157e27d41e9f6b21f0d3c025fa47dc24">GetNumDimensions</a>();</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; dimMultiplier *= inputYInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[i + 1 - offset];</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; <span class="keywordflow">case</span> DataSlot::Output:</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; dimMultiplier *= outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>()[i+1];</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160; }</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; result += (idx[i] * dimMultiplier);</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; }</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>&#160;}</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160; </div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160;} <span class="comment">// namespace armnn</span></div>
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