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<a href="_lstm_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> <span class="comment">//</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// SPDX-License-Identifier: MIT</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="_activation_8hpp.html">Activation.hpp</a>"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="_lstm_8hpp.html">Lstm.hpp</a>"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="_lstm_utils_8hpp.html">LstmUtils.hpp</a>"</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespacearmnn.html">armnn</a></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> {</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
<div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="namespacearmnn.html#a952423703fa6b92f18d19df3995633b4"> 13</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacearmnn.html#a952423703fa6b92f18d19df3995633b4">LstmImpl</a>(<span class="keyword">const</span> <a class="code" href="structarmnn_1_1_lstm_descriptor.html">LstmDescriptor</a>& descriptor,</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>& inputInfo,</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>& outputInfo,</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_shape.html">TensorShape</a>& inputToOutputWeightsShape,</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_shape.html">TensorShape</a>& recurrentToOutputWeightsShape,</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputData,</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& outputStateIn,</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellStateIn,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& outputStateOut,</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& cellStateOut,</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& output,</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellStateOutDecoder,</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& outputDecoder,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputToInputWeightsTensor,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputToForgetWeightsTensor,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputToCellWeightsTensor,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputToOutputWeightsTensor,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& recurrentToInputWeightsTensor,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& recurrentToForgetWeightsTensor,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& recurrentToCellWeightsTensor,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& recurrentToOutputWeightsTensor,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellToInputWeightsTensor,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellToForgetWeightsTensor,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellToOutputWeightsTensor,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputGateBiasTensor,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& forgetGateBiasTensor,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellBiasTensor,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& outputGateBiasTensor,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& projectionWeightsTensor,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& projectionBiasTensor,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputLayerNormWeights,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& forgetLayerNormWeights,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellLayerNormWeights,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& outputLayerNormWeights,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& inputGateScratch,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& cellScratch,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& forgetGateScratch,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_encoder.html">Encoder<float></a>>& outputGateScratch,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& inputGateScratchDecoder,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& cellScratchDecoder,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& forgetGateScratchDecoder,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::unique_ptr<<a class="code" href="classarmnn_1_1_decoder.html">Decoder<float></a>>& outputGateScratchDecoder,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">float</span> layerNormEpsilon)</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// This is a porting of the LSTM::Eval() method in the Android code base</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// Refer to: android/frameworks/ml/nn/common/operations/LSTM.cpp</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> <a class="code" href="classarmnn_1_1_tensor_shape.html">TensorShape</a>& inputShape = inputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">GetShape</a>();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> <a class="code" href="namespacearmnn.html#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a>& outputType = outputInfo.<a class="code" href="classarmnn_1_1_tensor_info.html#aea909c7327109228ef618d459015def3">GetDataType</a>();</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> uint32_t nBatch = inputShape[0];</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> uint32_t nInput = inputShape[1];</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> uint32_t nCell = inputToOutputWeightsShape[0];</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> uint32_t nOutput = recurrentToOutputWeightsShape[1];</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> useCifg = descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#ad474e5c51a0b194ef32e812b86c0cbdb">m_CifgEnabled</a>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> usePeephole = descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a2837b4396f20c956952d1a7286cab5f8">m_PeepholeEnabled</a>;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> useLayerNorm = descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a4a8ec49f130084445d44297549254780">m_LayerNormEnabled</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (!useLayerNorm)</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Initialize scratch buffers with bias.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (!useCifg)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a>(*inputGateBiasTensor,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  nCell, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a>(*forgetGateBiasTensor,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  nCell, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a>(*cellBiasTensor,</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  nCell, nBatch, *cellScratch);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a>(*outputGateBiasTensor,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  nCell, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// Initialize scratch buffers with zeroes.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (!useCifg)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="_lstm_utils_8cpp.html#a4c20bc573b70e89327b334f924da97b5">ZeroVector</a>(*inputGateScratch, nCell * nBatch);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="_lstm_utils_8cpp.html#a4c20bc573b70e89327b334f924da97b5">ZeroVector</a>(*forgetGateScratch, nCell * nBatch);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="_lstm_utils_8cpp.html#a4c20bc573b70e89327b334f924da97b5">ZeroVector</a>(*cellScratch , nCell * nBatch);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="_lstm_utils_8cpp.html#a4c20bc573b70e89327b334f924da97b5">ZeroVector</a>(*outputGateScratch, nCell * nBatch);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// For each batch and cell: compute input_weight * input.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (!useCifg)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*inputToInputWeightsTensor,</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  nCell, nInput, *inputData, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*inputToForgetWeightsTensor,</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  nCell, nInput, *inputData, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*inputToCellWeightsTensor,</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  nCell, nInput, *inputData, nBatch, *cellScratch);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*inputToOutputWeightsTensor,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  nCell, nInput, *inputData, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// For each batch and cell: compute recurrent_weight * output_state.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (!useCifg)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*recurrentToInputWeightsTensor,</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  nCell, nOutput, *outputStateIn, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*recurrentToForgetWeightsTensor,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  nCell, nOutput, *outputStateIn, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*recurrentToCellWeightsTensor,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  nCell, nOutput, *outputStateIn, nBatch, *cellScratch);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*recurrentToOutputWeightsTensor,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  nCell, nOutput, *outputStateIn, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// For each batch and cell: update input gate.</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (!useCifg)</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (usePeephole)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="_lstm_utils_8cpp.html#a796323e16216b880043dc5ebbaa2372b">VectorBatchVectorCwiseProductAccumulate</a>(*cellToInputWeightsTensor,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  nCell, *cellStateIn, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (useLayerNorm)</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="_lstm_utils_8cpp.html#a0ed27dd6d6125a06bf654080f4184360">MeanStddevNormalization</a>(*inputGateScratchDecoder,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  *inputGateScratch, nCell, nBatch, layerNormEpsilon);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="_lstm_utils_8cpp.html#a1d7ad9698b02282a57fdb17b3af745f9">VectorBatchVectorCwiseProduct</a>(*inputLayerNormWeights,</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  nCell, *inputGateScratchDecoder, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="_lstm_utils_8cpp.html#a389c4bbafd0fff7060cbb183f20a2134">VectorBatchVectorAdd</a>(*inputGateBiasTensor,</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  nCell, *inputGateScratchDecoder, nBatch, *inputGateScratch);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">Activation</a>(*inputGateScratchDecoder, *inputGateScratch,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>({nCell, nBatch}, outputType),</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4">ActivationFunction::Sigmoid</a>, 0, 0);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// For each batch and cell: update forget gate.</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (usePeephole)</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="_lstm_utils_8cpp.html#a796323e16216b880043dc5ebbaa2372b">VectorBatchVectorCwiseProductAccumulate</a>(*cellToForgetWeightsTensor, nCell,</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *cellStateIn, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (useLayerNorm)</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="_lstm_utils_8cpp.html#a0ed27dd6d6125a06bf654080f4184360">MeanStddevNormalization</a>(*forgetGateScratchDecoder,</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  *forgetGateScratch, nCell, nBatch, layerNormEpsilon);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="_lstm_utils_8cpp.html#a1d7ad9698b02282a57fdb17b3af745f9">VectorBatchVectorCwiseProduct</a>(*forgetLayerNormWeights,</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  nCell, *forgetGateScratchDecoder, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="_lstm_utils_8cpp.html#a389c4bbafd0fff7060cbb183f20a2134">VectorBatchVectorAdd</a>(*forgetGateBiasTensor,</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  nCell, *forgetGateScratchDecoder, nBatch, *forgetGateScratch);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">Activation</a>(*forgetGateScratchDecoder, *forgetGateScratch,</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>({nCell, nBatch}, outputType),</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4">ActivationFunction::Sigmoid</a>, 0, 0);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// For each batch and cell: update the cell.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (useLayerNorm)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="_lstm_utils_8cpp.html#a0ed27dd6d6125a06bf654080f4184360">MeanStddevNormalization</a>(*cellScratchDecoder,</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  *cellScratch, nCell, nBatch, layerNormEpsilon);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="_lstm_utils_8cpp.html#a1d7ad9698b02282a57fdb17b3af745f9">VectorBatchVectorCwiseProduct</a>(*cellLayerNormWeights,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  nCell, *cellScratchDecoder, nBatch, *cellScratch);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="_lstm_utils_8cpp.html#a389c4bbafd0fff7060cbb183f20a2134">VectorBatchVectorAdd</a>(*cellBiasTensor,</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  nCell, *cellScratchDecoder, nBatch, *cellScratch);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <a class="code" href="_lstm_utils_8cpp.html#a5b81dc0a1a9a2bccab8bb79dfa3e77b7">VectorVectorCwiseProduct</a>(*forgetGateScratchDecoder, *cellStateIn, nBatch * nCell, *cellStateOut);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9ea">ActivationFunction</a> armnnActivationFunc = <a class="code" href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4">ActivationFunction::Sigmoid</a>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">float</span> a = 0;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">float</span> b = 0;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="_lstm_utils_8cpp.html#afc83b9418e9721cee21de245cb8533de">SetActivationParameters</a>(descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#ae1b07ed928036004bd257169e5aeeef4">m_ActivationFunc</a>, armnnActivationFunc, a, b);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#ae1b07ed928036004bd257169e5aeeef4">m_ActivationFunc</a> > 0)</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">Activation</a>(*cellScratchDecoder, *cellScratch,</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>({nCell, nBatch}, outputType),</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  armnnActivationFunc, a, b);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (useCifg)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="_lstm_utils_8cpp.html#aca7bd1dff180b6a5de894537f8220793">Sub1Vector</a>(*forgetGateScratchDecoder, nBatch * nCell, *forgetGateScratch);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="_lstm_utils_8cpp.html#a2e653f948d93f4177f267a7b1b4ed47d">VectorVectorCwiseProductAccumulate</a>(</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  *cellScratchDecoder, *forgetGateScratchDecoder, nBatch * nCell, *cellStateOut);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="_lstm_utils_8cpp.html#a2e653f948d93f4177f267a7b1b4ed47d">VectorVectorCwiseProductAccumulate</a>(</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  *cellScratchDecoder, *inputGateScratchDecoder, nBatch * nCell, *cellStateOut);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">if</span> (descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a531a3907ec13d3772370da88030191a5">m_ClippingThresCell</a> > 0.0)</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="_lstm_utils_8cpp.html#a117781e8e9b7321722bbdd8ff74b484a">ClipVector</a>(*cellStateOutDecoder, nBatch * nCell, descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a531a3907ec13d3772370da88030191a5">m_ClippingThresCell</a>, *cellStateOut);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// For each batch and cell: update the output gate.</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (usePeephole)</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="_lstm_utils_8cpp.html#a796323e16216b880043dc5ebbaa2372b">VectorBatchVectorCwiseProductAccumulate</a>(*cellToOutputWeightsTensor,</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  nCell, *cellStateOutDecoder, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (useLayerNorm)</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="_lstm_utils_8cpp.html#a0ed27dd6d6125a06bf654080f4184360">MeanStddevNormalization</a>(*outputGateScratchDecoder,</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  *outputGateScratch, nCell, nBatch, layerNormEpsilon);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="_lstm_utils_8cpp.html#a1d7ad9698b02282a57fdb17b3af745f9">VectorBatchVectorCwiseProduct</a>(*outputLayerNormWeights,</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  nCell, *outputGateScratchDecoder, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="_lstm_utils_8cpp.html#a389c4bbafd0fff7060cbb183f20a2134">VectorBatchVectorAdd</a>(*outputGateBiasTensor,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  nCell, *outputGateScratchDecoder, nBatch, *outputGateScratch);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">Activation</a>(*outputGateScratchDecoder, *outputGateScratch,</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>({nCell, nBatch}, outputType),</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4">ActivationFunction::Sigmoid</a>, 0, 0);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#ae1b07ed928036004bd257169e5aeeef4">m_ActivationFunc</a> > 0)</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  {</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">Activation</a>(*cellStateOutDecoder, *cellScratch,</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="classarmnn_1_1_tensor_info.html">TensorInfo</a>({nCell, nBatch}, outputType),</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  armnnActivationFunc, a, b);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="_lstm_utils_8cpp.html#a5b81dc0a1a9a2bccab8bb79dfa3e77b7">VectorVectorCwiseProduct</a>(*outputGateScratchDecoder, *cellScratchDecoder, nBatch * nCell, *outputGateScratch);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// For each batch: update the projection and output_state.</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a6c9de81fc65b3c4924cab11907075a17">m_ProjectionEnabled</a>)</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (projectionBiasTensor)</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <a class="code" href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a>(*projectionBiasTensor,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  nOutput, nBatch, *output);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <a class="code" href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a>(*projectionWeightsTensor,</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  nOutput, nCell, *outputGateScratchDecoder, nBatch, *output);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a86e88bef0df4df96df752b4b8955a3af">m_ClippingThresProj</a> > 0.0)</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="_lstm_utils_8cpp.html#a117781e8e9b7321722bbdd8ff74b484a">ClipVector</a>(*outputDecoder, nBatch * nOutput, descriptor.<a class="code" href="structarmnn_1_1_lstm_descriptor.html#a86e88bef0df4df96df752b4b8955a3af">m_ClippingThresProj</a>, *output);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="_lstm_utils_8cpp.html#a00d8a623c04f1120f6fee3fe38d1cee9">CopyVector</a>(*outputGateScratchDecoder, nBatch * nOutput, *output);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="_lstm_utils_8cpp.html#a00d8a623c04f1120f6fee3fe38d1cee9">CopyVector</a>(*outputDecoder, nBatch * nOutput, *outputStateOut);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> } <span class="comment">//namespace armnn</span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="a_lstm_utils_8cpp_html_a5b81dc0a1a9a2bccab8bb79dfa3e77b7"><div class="ttname"><a href="_lstm_utils_8cpp.html#a5b81dc0a1a9a2bccab8bb79dfa3e77b7">VectorVectorCwiseProduct</a></div><div class="ttdeci">void VectorVectorCwiseProduct(armnn::Decoder< float > &vector1, armnn::Decoder< float > &vector2, uint32_t vSize, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00187">LstmUtils.cpp:187</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_decoder_html"><div class="ttname"><a href="classarmnn_1_1_decoder.html">armnn::Decoder< float ></a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a0ed27dd6d6125a06bf654080f4184360"><div class="ttname"><a href="_lstm_utils_8cpp.html#a0ed27dd6d6125a06bf654080f4184360">MeanStddevNormalization</a></div><div class="ttdeci">void MeanStddevNormalization(armnn::Decoder< float > &input_vector, armnn::Encoder< float > &output_vector, uint32_t v_size, uint32_t n_batch, float normalization_epsilon)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00040">LstmUtils.cpp:40</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a796323e16216b880043dc5ebbaa2372b"><div class="ttname"><a href="_lstm_utils_8cpp.html#a796323e16216b880043dc5ebbaa2372b">VectorBatchVectorCwiseProductAccumulate</a></div><div class="ttdeci">void VectorBatchVectorCwiseProductAccumulate(armnn::Decoder< float > &vector, uint32_t vSize, armnn::Decoder< float > &batchVector, uint32_t nBatch, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00131">LstmUtils.cpp:131</a></div></div>
<div class="ttc" id="a_lstm_8hpp_html"><div class="ttname"><a href="_lstm_8hpp.html">Lstm.hpp</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a389c4bbafd0fff7060cbb183f20a2134"><div class="ttname"><a href="_lstm_utils_8cpp.html#a389c4bbafd0fff7060cbb183f20a2134">VectorBatchVectorAdd</a></div><div class="ttdeci">void VectorBatchVectorAdd(armnn::Decoder< float > &vector, uint32_t vSize, armnn::Decoder< float > &batchVector, uint32_t nBatch, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00016">LstmUtils.cpp:16</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_tensor_info_html"><div class="ttname"><a href="classarmnn_1_1_tensor_info.html">armnn::TensorInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="_tensor_8hpp_source.html#l00152">Tensor.hpp:152</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a1d7ad9698b02282a57fdb17b3af745f9"><div class="ttname"><a href="_lstm_utils_8cpp.html#a1d7ad9698b02282a57fdb17b3af745f9">VectorBatchVectorCwiseProduct</a></div><div class="ttdeci">void VectorBatchVectorCwiseProduct(armnn::Decoder< float > &vector, uint32_t vSize, armnn::Decoder< float > &batchVector, uint32_t nBatch, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00152">LstmUtils.cpp:152</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a117781e8e9b7321722bbdd8ff74b484a"><div class="ttname"><a href="_lstm_utils_8cpp.html#a117781e8e9b7321722bbdd8ff74b484a">ClipVector</a></div><div class="ttdeci">void ClipVector(armnn::Decoder< float > &vector, uint32_t vSize, float absLimit, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00229">LstmUtils.cpp:229</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_ab93a2c78551c3d3aba8ddcafb792a36d"><div class="ttname"><a href="_lstm_utils_8cpp.html#ab93a2c78551c3d3aba8ddcafb792a36d">MatrixBatchVectorMultiplyAccumulate</a></div><div class="ttdeci">void MatrixBatchVectorMultiplyAccumulate(armnn::Decoder< float > &matrix, uint32_t mRows, uint32_t mCols, armnn::Decoder< float > &vector, uint32_t nBatch, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00087">LstmUtils.cpp:87</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a00d8a623c04f1120f6fee3fe38d1cee9"><div class="ttname"><a href="_lstm_utils_8cpp.html#a00d8a623c04f1120f6fee3fe38d1cee9">CopyVector</a></div><div class="ttdeci">void CopyVector(armnn::Decoder< float > &vector, uint32_t vSize, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00244">LstmUtils.cpp:244</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_aca7bd1dff180b6a5de894537f8220793"><div class="ttname"><a href="_lstm_utils_8cpp.html#aca7bd1dff180b6a5de894537f8220793">Sub1Vector</a></div><div class="ttdeci">void Sub1Vector(armnn::Decoder< float > &vector, uint32_t vSize, armnn::Encoder< float > &result)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00173">LstmUtils.cpp:173</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_a2837b4396f20c956952d1a7286cab5f8"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#a2837b4396f20c956952d1a7286cab5f8">armnn::LstmDescriptor::m_PeepholeEnabled</a></div><div class="ttdeci">bool m_PeepholeEnabled</div><div class="ttdoc">Enable/disable peephole.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01148">Descriptors.hpp:1148</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_tensor_shape_html"><div class="ttname"><a href="classarmnn_1_1_tensor_shape.html">armnn::TensorShape</a></div><div class="ttdef"><b>Definition:</b> <a href="_tensor_8hpp_source.html#l00020">Tensor.hpp:20</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_encoder_html"><div class="ttname"><a href="classarmnn_1_1_encoder.html">armnn::Encoder< float ></a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_a86e88bef0df4df96df752b4b8955a3af"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#a86e88bef0df4df96df752b4b8955a3af">armnn::LstmDescriptor::m_ClippingThresProj</a></div><div class="ttdeci">float m_ClippingThresProj</div><div class="ttdoc">Clipping threshold value for the projection.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01144">Descriptors.hpp:1144</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a952423703fa6b92f18d19df3995633b4"><div class="ttname"><a href="namespacearmnn.html#a952423703fa6b92f18d19df3995633b4">armnn::LstmImpl</a></div><div class="ttdeci">void LstmImpl(const LstmDescriptor &descriptor, const TensorInfo &inputInfo, const TensorInfo &outputInfo, const TensorShape &inputToOutputWeightsShape, const TensorShape &recurrentToOutputWeightsShape, std::unique_ptr< Decoder< float >> &inputData, std::unique_ptr< Decoder< float >> &outputStateIn, std::unique_ptr< Decoder< float >> &cellStateIn, std::unique_ptr< Encoder< float >> &outputStateOut, std::unique_ptr< Encoder< float >> &cellStateOut, std::unique_ptr< Encoder< float >> &output, std::unique_ptr< Decoder< float >> &cellStateOutDecoder, std::unique_ptr< Decoder< float >> &outputDecoder, std::unique_ptr< Decoder< float >> &inputToInputWeightsTensor, std::unique_ptr< Decoder< float >> &inputToForgetWeightsTensor, std::unique_ptr< Decoder< float >> &inputToCellWeightsTensor, std::unique_ptr< Decoder< float >> &inputToOutputWeightsTensor, std::unique_ptr< Decoder< float >> &recurrentToInputWeightsTensor, std::unique_ptr< Decoder< float >> &recurrentToForgetWeightsTensor, std::unique_ptr< Decoder< float >> &recurrentToCellWeightsTensor, std::unique_ptr< Decoder< float >> &recurrentToOutputWeightsTensor, std::unique_ptr< Decoder< float >> &cellToInputWeightsTensor, std::unique_ptr< Decoder< float >> &cellToForgetWeightsTensor, std::unique_ptr< Decoder< float >> &cellToOutputWeightsTensor, std::unique_ptr< Decoder< float >> &inputGateBiasTensor, std::unique_ptr< Decoder< float >> &forgetGateBiasTensor, std::unique_ptr< Decoder< float >> &cellBiasTensor, std::unique_ptr< Decoder< float >> &outputGateBiasTensor, std::unique_ptr< Decoder< float >> &projectionWeightsTensor, std::unique_ptr< Decoder< float >> &projectionBiasTensor, std::unique_ptr< Decoder< float >> &inputLayerNormWeights, std::unique_ptr< Decoder< float >> &forgetLayerNormWeights, std::unique_ptr< Decoder< float >> &cellLayerNormWeights, std::unique_ptr< Decoder< float >> &outputLayerNormWeights, std::unique_ptr< Encoder< float >> &inputGateScratch, std::unique_ptr< Encoder< float >> &cellScratch, std::unique_ptr< Encoder< float >> &forgetGateScratch, std::unique_ptr< Encoder< float >> &outputGateScratch, std::unique_ptr< Decoder< float >> &inputGateScratchDecoder, std::unique_ptr< Decoder< float >> &cellScratchDecoder, std::unique_ptr< Decoder< float >> &forgetGateScratchDecoder, std::unique_ptr< Decoder< float >> &outputGateScratchDecoder, float layerNormEpsilon)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_8cpp_source.html#l00013">Lstm.cpp:13</a></div></div>
<div class="ttc" id="anamespacearmnn_html_ad8ed01ff3ff33333d8e19db4d2818bb6"><div class="ttname"><a href="namespacearmnn.html#ad8ed01ff3ff33333d8e19db4d2818bb6">armnn::DataType</a></div><div class="ttdeci">DataType</div><div class="ttdef"><b>Definition:</b> <a href="_types_8hpp_source.html#l00048">Types.hpp:48</a></div></div>
<div class="ttc" id="a_activation_8hpp_html"><div class="ttname"><a href="_activation_8hpp.html">Activation.hpp</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a56297e0f7b215eea46c818cb7528d9ea"><div class="ttname"><a href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9ea">armnn::ActivationFunction</a></div><div class="ttdeci">ActivationFunction</div><div class="ttdef"><b>Definition:</b> <a href="_types_8hpp_source.html#l00086">Types.hpp:86</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_tensor_info_html_aea909c7327109228ef618d459015def3"><div class="ttname"><a href="classarmnn_1_1_tensor_info.html#aea909c7327109228ef618d459015def3">armnn::TensorInfo::GetDataType</a></div><div class="ttdeci">DataType GetDataType() const</div><div class="ttdef"><b>Definition:</b> <a href="_tensor_8hpp_source.html#l00198">Tensor.hpp:198</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a4c20bc573b70e89327b334f924da97b5"><div class="ttname"><a href="_lstm_utils_8cpp.html#a4c20bc573b70e89327b334f924da97b5">ZeroVector</a></div><div class="ttdeci">void ZeroVector(armnn::Encoder< float > &vector, uint32_t vSize)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00076">LstmUtils.cpp:76</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html">armnn::LstmDescriptor</a></div><div class="ttdoc">An LstmDescriptor for the LstmLayer.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01102">Descriptors.hpp:1102</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_ad474e5c51a0b194ef32e812b86c0cbdb"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#ad474e5c51a0b194ef32e812b86c0cbdb">armnn::LstmDescriptor::m_CifgEnabled</a></div><div class="ttdeci">bool m_CifgEnabled</div><div class="ttdoc">Enable/disable cifg (coupled input & forget gate).</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01146">Descriptors.hpp:1146</a></div></div>
<div class="ttc" id="aclassarmnn_1_1_tensor_info_html_a8b5d0f8a24e9d9238f412260a552acf8"><div class="ttname"><a href="classarmnn_1_1_tensor_info.html#a8b5d0f8a24e9d9238f412260a552acf8">armnn::TensorInfo::GetShape</a></div><div class="ttdeci">const TensorShape & GetShape() const</div><div class="ttdef"><b>Definition:</b> <a href="_tensor_8hpp_source.html#l00191">Tensor.hpp:191</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_a4a8ec49f130084445d44297549254780"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#a4a8ec49f130084445d44297549254780">armnn::LstmDescriptor::m_LayerNormEnabled</a></div><div class="ttdeci">bool m_LayerNormEnabled</div><div class="ttdoc">Enable/disable layer normalization.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01152">Descriptors.hpp:1152</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a2e653f948d93f4177f267a7b1b4ed47d"><div class="ttname"><a href="_lstm_utils_8cpp.html#a2e653f948d93f4177f267a7b1b4ed47d">VectorVectorCwiseProductAccumulate</a></div><div class="ttdeci">void VectorVectorCwiseProductAccumulate(armnn::Decoder< float > &vector1, armnn::Decoder< float > &vector2, uint32_t vSize, armnn::Encoder< float > &outResult)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00204">LstmUtils.cpp:204</a></div></div>
<div class="ttc" id="anamespacearmnn_html"><div class="ttname"><a href="namespacearmnn.html">armnn</a></div><div class="ttdoc">Copyright (c) 2021 ARM Limited and Contributors.</div><div class="ttdef"><b>Definition:</b> <a href="01__00__quick__start_8dox_source.html#l00006">01_00_quick_start.dox:6</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_a6c9de81fc65b3c4924cab11907075a17"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#a6c9de81fc65b3c4924cab11907075a17">armnn::LstmDescriptor::m_ProjectionEnabled</a></div><div class="ttdeci">bool m_ProjectionEnabled</div><div class="ttdoc">Enable/disable the projection layer.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01150">Descriptors.hpp:1150</a></div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_afc83b9418e9721cee21de245cb8533de"><div class="ttname"><a href="_lstm_utils_8cpp.html#afc83b9418e9721cee21de245cb8533de">SetActivationParameters</a></div><div class="ttdeci">void SetActivationParameters(uint32_t activation, armnn::ActivationFunction &outArmnnActivation, float &outA, float &outB)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00258">LstmUtils.cpp:258</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a7636fbbc4f8ea2d0cf9f3ac2d12a4c62"><div class="ttname"><a href="namespacearmnn.html#a7636fbbc4f8ea2d0cf9f3ac2d12a4c62">armnn::Activation</a></div><div class="ttdeci">float Activation(float in, ActivationFunction function, float a, float b)</div><div class="ttdef"><b>Definition:</b> <a href="_activation_8cpp_source.html#l00013">Activation.cpp:13</a></div></div>
<div class="ttc" id="a_lstm_utils_8hpp_html"><div class="ttname"><a href="_lstm_utils_8hpp.html">LstmUtils.hpp</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_ae1b07ed928036004bd257169e5aeeef4"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#ae1b07ed928036004bd257169e5aeeef4">armnn::LstmDescriptor::m_ActivationFunc</a></div><div class="ttdeci">uint32_t m_ActivationFunc</div><div class="ttdoc">The activation function to use.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01140">Descriptors.hpp:1140</a></div></div>
<div class="ttc" id="astructarmnn_1_1_lstm_descriptor_html_a531a3907ec13d3772370da88030191a5"><div class="ttname"><a href="structarmnn_1_1_lstm_descriptor.html#a531a3907ec13d3772370da88030191a5">armnn::LstmDescriptor::m_ClippingThresCell</a></div><div class="ttdeci">float m_ClippingThresCell</div><div class="ttdoc">Clipping threshold value for the cell state.</div><div class="ttdef"><b>Definition:</b> <a href="_descriptors_8hpp_source.html#l01142">Descriptors.hpp:1142</a></div></div>
<div class="ttc" id="anamespacearmnn_html_a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4"><div class="ttname"><a href="namespacearmnn.html#a56297e0f7b215eea46c818cb7528d9eaa21eebb164e4b8b9bcf64fdb4d8d5dff4">armnn::ActivationFunction::Sigmoid</a></div><div class="ttdeci">@ Sigmoid</div></div>
<div class="ttc" id="a_lstm_utils_8cpp_html_a8c4a96233c9b62c76d611316da11124b"><div class="ttname"><a href="_lstm_utils_8cpp.html#a8c4a96233c9b62c76d611316da11124b">VectorBatchVectorAssign</a></div><div class="ttdeci">void VectorBatchVectorAssign(armnn::Decoder< float > &vector, uint32_t vSize, uint32_t nBatch, armnn::Encoder< float > &outBatchVector)</div><div class="ttdef"><b>Definition:</b> <a href="_lstm_utils_8cpp_source.html#l00113">LstmUtils.cpp:113</a></div></div>
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