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<a href="linear__combination_8h.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 (c) 2017-2019, NVIDIA CORPORATION. All rights reserved.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * provided that the following conditions are met:</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * * Redistributions of source code must retain the above copyright notice, this list of</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * conditions and the following disclaimer.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * * Redistributions in binary form must reproduce the above copyright notice, this list of</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * conditions and the following disclaimer in the documentation and/or other materials</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * provided with the distribution.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * to endorse or promote products derived from this software without specific prior written</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * permission.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * STRICT LIABILITY, OR TOR (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> **************************************************************************************************/</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="cutlass_8h.html">cutlass/cutlass.h</a>"</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="numeric__types_8h.html">cutlass/numeric_types.h</a>"</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="array_8h.html">cutlass/array.h</a>"</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="functional_8h.html">cutlass/functional.h</a>"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="numeric__conversion_8h.html">cutlass/numeric_conversion.h</a>"</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span><a class="code" href="namespacecutlass.html">cutlass</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>epilogue {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>thread {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">template</span> <</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">typename</span> ElementOutput_, </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> Count, </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">typename</span> ElementAccumulator_ = ElementOutput_, </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">typename</span> ElementCompute_ = ElementOutput_, </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="namespacecutlass.html#aabe6b8ce223bf05f65a4721a3f5447a6">FloatRoundStyle</a> Round = <a class="code" href="namespacecutlass.html#aabe6b8ce223bf05f65a4721a3f5447a6a280b2492e1afdb76d63ad6a4cd4f38d7">FloatRoundStyle::round_to_nearest</a></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> ></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html"> 56</a></span> <span class="keyword">class </span><a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html">LinearCombination</a> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ae7b1b1a70ca9c548fbbd2ab2615c5b4a"> 59</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ae7b1b1a70ca9c548fbbd2ab2615c5b4a">ElementOutput</a> = ElementOutput_;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#abd94051043a8a58af159ba3dea9009f3"> 60</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#abd94051043a8a58af159ba3dea9009f3">ElementAccumulator</a> = ElementAccumulator_;</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d"> 61</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> = ElementCompute_;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a6cf5c112befa1b3b00415033a8ffa837"> 63</a></span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <span class="keyword">const</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a6cf5c112befa1b3b00415033a8ffa837">kCount</a> = Count;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aecbeb4d1a8e75feb7ca8079b2a2f862c"> 65</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aecbeb4d1a8e75feb7ca8079b2a2f862c">FragmentOutput</a> = Array<ElementOutput, kCount>;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a01c42c8de4d1092d2e3c2a09eed6c81f"> 66</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a01c42c8de4d1092d2e3c2a09eed6c81f">FragmentAccumulator</a> = Array<ElementAccumulator, kCount>;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af"> 67</a></span>  <span class="keyword">using</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af">ComputeFragment</a> = Array<ElementCompute, kCount>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#af9dcae5494355aae29c7800883db7c51"> 69</a></span>  <span class="keyword">static</span> <a class="code" href="namespacecutlass.html#aabe6b8ce223bf05f65a4721a3f5447a6">FloatRoundStyle</a> <span class="keyword">const</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#af9dcae5494355aae29c7800883db7c51">kRound</a> = Round;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html"> 72</a></span>  <span class="keyword">struct </span><a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html">Params</a> {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aebf79db277fc69c1fafae975538f8c57"> 74</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aebf79db277fc69c1fafae975538f8c57">alpha</a>; </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a9677cb04e23e9afa9fcdc3f34074bb56"> 75</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a9677cb04e23e9afa9fcdc3f34074bb56">beta</a>; </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aabd9260f2a8a1b809864fe20dc3c7553"> 76</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <span class="keyword">const</span> *<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aabd9260f2a8a1b809864fe20dc3c7553">alpha_ptr</a>; </div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a01f730dac9a4500cb857bf4ca272bc7b"> 77</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <span class="keyword">const</span> *<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a01f730dac9a4500cb857bf4ca272bc7b">beta_ptr</a>; </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Methods</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">//</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#ad7ac223e67928ea2aa44b64602089e81"> 84</a></span>  <a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#ad7ac223e67928ea2aa44b64602089e81">Params</a>(): </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  alpha(<a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a>(1)), </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  beta(<a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a>(0)), </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  alpha_ptr(<a class="code" href="platform_8h.html#ab979d9d4b4923f7c54d6caa6e1a61936">nullptr</a>), </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  beta_ptr(<a class="code" href="platform_8h.html#ab979d9d4b4923f7c54d6caa6e1a61936">nullptr</a>) { }</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>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#af4d2e889198f2e325cb4f0e3a3832f49"> 91</a></span>  <a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#af4d2e889198f2e325cb4f0e3a3832f49">Params</a>(</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> alpha,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> beta</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ): alpha(alpha), beta(beta), alpha_ptr(<a class="code" href="platform_8h.html#ab979d9d4b4923f7c54d6caa6e1a61936">nullptr</a>), beta_ptr(<a class="code" href="platform_8h.html#ab979d9d4b4923f7c54d6caa6e1a61936">nullptr</a>) {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aa6f2fb0b8fb92a28b4b534c3db7e9430"> 99</a></span>  <a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aa6f2fb0b8fb92a28b4b534c3db7e9430">Params</a>(</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <span class="keyword">const</span> *alpha_ptr,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> <span class="keyword">const</span> *beta_ptr</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  ): alpha(0), beta(0), alpha_ptr(alpha_ptr), beta_ptr(beta_ptr) {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</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> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">//</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// Data members</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">//</span></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>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> alpha_;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a> beta_;</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> <span class="keyword">public</span>:</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aaeaf8ed9b2ea6256ea8d322985d9bb27"> 120</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aaeaf8ed9b2ea6256ea8d322985d9bb27">LinearCombination</a>(<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html">Params</a> <span class="keyword">const</span> &params) {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  alpha_ = (params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aabd9260f2a8a1b809864fe20dc3c7553">alpha_ptr</a> ? *params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aabd9260f2a8a1b809864fe20dc3c7553">alpha_ptr</a> : params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aebf79db277fc69c1fafae975538f8c57">alpha</a>);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  beta_ = (params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a01f730dac9a4500cb857bf4ca272bc7b">beta_ptr</a> ? *params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a01f730dac9a4500cb857bf4ca272bc7b">beta_ptr</a> : params.<a class="code" href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a9677cb04e23e9afa9fcdc3f34074bb56">beta</a>);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a0c576129fa70b60d7ad81ebbc8b8f22d"> 128</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a0c576129fa70b60d7ad81ebbc8b8f22d">is_source_needed</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> beta_ != <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a>(0);</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> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a4712c7a29f173f909815afae852b13f7"> 134</a></span>  <span class="keywordtype">void</span> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a4712c7a29f173f909815afae852b13f7">set_k_partition</a>(<span class="keywordtype">int</span> k_partition) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (k_partition) {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  beta_ = <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">ElementCompute</a>(1);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a68ce9da2c3697fb84e6c7ecc73e9b6cc"> 142</a></span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aecbeb4d1a8e75feb7ca8079b2a2f862c">FragmentOutput</a> <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a68ce9da2c3697fb84e6c7ecc73e9b6cc">operator()</a>(</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a01c42c8de4d1092d2e3c2a09eed6c81f">FragmentAccumulator</a> <span class="keyword">const</span> &accumulator, </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aecbeb4d1a8e75feb7ca8079b2a2f862c">FragmentOutput</a> <span class="keyword">const</span> &source)<span class="keyword"> const </span>{</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Convert source to interal compute numeric type</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="structcutlass_1_1NumericArrayConverter.html">NumericArrayConverter<ElementCompute, ElementOutput, kCount, Round></a> source_converter;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="structcutlass_1_1NumericArrayConverter.html">NumericArrayConverter<ElementCompute, ElementAccumulator, kCount, Round></a> accumulator_converter;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af">ComputeFragment</a> converted_source = source_converter(source);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af">ComputeFragment</a> converted_accumulator = accumulator_converter(accumulator);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Perform binary operations</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af">ComputeFragment</a> intermediate;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="structcutlass_1_1multiplies.html">multiplies<ComputeFragment></a> mul_add_source;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="structcutlass_1_1multiply__add.html">multiply_add<ComputeFragment></a> mul_add_accumulator;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  intermediate = mul_add_source(beta_, converted_source); <span class="comment">// X = beta * C + uniform</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  intermediate = mul_add_accumulator(alpha_, converted_accumulator, intermediate); <span class="comment">// D = alpha * Accum + X</span></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>  <span class="comment">// Convert to destination numeric type</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="structcutlass_1_1NumericArrayConverter.html">NumericArrayConverter<ElementOutput, ElementCompute, kCount, Round></a> destination_converter;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> destination_converter(intermediate);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> };</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> } <span class="comment">// namespace thread</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> } <span class="comment">// namespace epilogue</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> } <span class="comment">// namespace cutlass</span></div><div class="ttc" id="structcutlass_1_1multiply__add_html"><div class="ttname"><a href="structcutlass_1_1multiply__add.html">cutlass::multiply_add</a></div><div class="ttdoc">Fused multiply-add. </div><div class="ttdef"><b>Definition:</b> functional.h:92</div></div>
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<div class="ttc" id="namespacecutlass_html"><div class="ttname"><a href="namespacecutlass.html">cutlass</a></div><div class="ttdef"><b>Definition:</b> aligned_buffer.h:35</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html">cutlass::epilogue::thread::LinearCombination</a></div><div class="ttdef"><b>Definition:</b> linear_combination.h:56</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a6cf5c112befa1b3b00415033a8ffa837"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a6cf5c112befa1b3b00415033a8ffa837">cutlass::epilogue::thread::LinearCombination::kCount</a></div><div class="ttdeci">static int const kCount</div><div class="ttdef"><b>Definition:</b> linear_combination.h:63</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_aebf79db277fc69c1fafae975538f8c57"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aebf79db277fc69c1fafae975538f8c57">cutlass::epilogue::thread::LinearCombination::Params::alpha</a></div><div class="ttdeci">ElementCompute alpha</div><div class="ttdoc">scales accumulators </div><div class="ttdef"><b>Definition:</b> linear_combination.h:74</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_aabd9260f2a8a1b809864fe20dc3c7553"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aabd9260f2a8a1b809864fe20dc3c7553">cutlass::epilogue::thread::LinearCombination::Params::alpha_ptr</a></div><div class="ttdeci">ElementCompute const * alpha_ptr</div><div class="ttdoc">pointer to accumulator scalar - if not null, loads it from memory </div><div class="ttdef"><b>Definition:</b> linear_combination.h:76</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a01c42c8de4d1092d2e3c2a09eed6c81f"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a01c42c8de4d1092d2e3c2a09eed6c81f">cutlass::epilogue::thread::LinearCombination::FragmentAccumulator</a></div><div class="ttdeci">Array< ElementAccumulator, kCount > FragmentAccumulator</div><div class="ttdef"><b>Definition:</b> linear_combination.h:66</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a4712c7a29f173f909815afae852b13f7"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a4712c7a29f173f909815afae852b13f7">cutlass::epilogue::thread::LinearCombination::set_k_partition</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE void set_k_partition(int k_partition)</div><div class="ttdoc">Functionally required for serial reduction in the epilogue. </div><div class="ttdef"><b>Definition:</b> linear_combination.h:134</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_ad024cd3ca657233883219177fc2f50af"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ad024cd3ca657233883219177fc2f50af">cutlass::epilogue::thread::LinearCombination::ComputeFragment</a></div><div class="ttdeci">Array< ElementCompute, kCount > ComputeFragment</div><div class="ttdef"><b>Definition:</b> linear_combination.h:67</div></div>
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<div class="ttc" id="array_8h_html"><div class="ttname"><a href="array_8h.html">array.h</a></div><div class="ttdoc">Statically sized array of elements that accommodates all CUTLASS-supported numeric types and is safe ...</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_af9dcae5494355aae29c7800883db7c51"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#af9dcae5494355aae29c7800883db7c51">cutlass::epilogue::thread::LinearCombination::kRound</a></div><div class="ttdeci">static FloatRoundStyle const kRound</div><div class="ttdef"><b>Definition:</b> linear_combination.h:69</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_abd94051043a8a58af159ba3dea9009f3"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#abd94051043a8a58af159ba3dea9009f3">cutlass::epilogue::thread::LinearCombination::ElementAccumulator</a></div><div class="ttdeci">ElementAccumulator_ ElementAccumulator</div><div class="ttdef"><b>Definition:</b> linear_combination.h:60</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a68ce9da2c3697fb84e6c7ecc73e9b6cc"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a68ce9da2c3697fb84e6c7ecc73e9b6cc">cutlass::epilogue::thread::LinearCombination::operator()</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE FragmentOutput operator()(FragmentAccumulator const &accumulator, FragmentOutput const &source) const </div><div class="ttdoc">Computes linear scaling: D = alpha * accumulator + beta * source. </div><div class="ttdef"><b>Definition:</b> linear_combination.h:142</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_ae7b1b1a70ca9c548fbbd2ab2615c5b4a"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#ae7b1b1a70ca9c548fbbd2ab2615c5b4a">cutlass::epilogue::thread::LinearCombination::ElementOutput</a></div><div class="ttdeci">ElementOutput_ ElementOutput</div><div class="ttdef"><b>Definition:</b> linear_combination.h:59</div></div>
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<div class="ttc" id="numeric__conversion_8h_html"><div class="ttname"><a href="numeric__conversion_8h.html">numeric_conversion.h</a></div><div class="ttdoc">Boost-like numeric conversion operator for CUTLASS numeric types. </div></div>
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<div class="ttc" id="platform_8h_html_ab979d9d4b4923f7c54d6caa6e1a61936"><div class="ttname"><a href="platform_8h.html#ab979d9d4b4923f7c54d6caa6e1a61936">nullptr</a></div><div class="ttdeci">#define nullptr</div><div class="ttdoc">nullptr </div><div class="ttdef"><b>Definition:</b> platform.h:144</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_ad7ac223e67928ea2aa44b64602089e81"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#ad7ac223e67928ea2aa44b64602089e81">cutlass::epilogue::thread::LinearCombination::Params::Params</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Params()</div><div class="ttdef"><b>Definition:</b> linear_combination.h:84</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_aaeaf8ed9b2ea6256ea8d322985d9bb27"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aaeaf8ed9b2ea6256ea8d322985d9bb27">cutlass::epilogue::thread::LinearCombination::LinearCombination</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE LinearCombination(Params const &params)</div><div class="ttdoc">Constructs the function object, possibly loading from pointers in host memory. </div><div class="ttdef"><b>Definition:</b> linear_combination.h:120</div></div>
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<div class="ttc" id="structcutlass_1_1multiplies_html"><div class="ttname"><a href="structcutlass_1_1multiplies.html">cutlass::multiplies</a></div><div class="ttdef"><b>Definition:</b> functional.h:64</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_af4d2e889198f2e325cb4f0e3a3832f49"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#af4d2e889198f2e325cb4f0e3a3832f49">cutlass::epilogue::thread::LinearCombination::Params::Params</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Params(ElementCompute alpha, ElementCompute beta)</div><div class="ttdef"><b>Definition:</b> linear_combination.h:91</div></div>
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<div class="ttc" id="cutlass_8h_html_a28c2443a142676d3d71effdae1a986b1"><div class="ttname"><a href="cutlass_8h.html#a28c2443a142676d3d71effdae1a986b1">CUTLASS_HOST_DEVICE</a></div><div class="ttdeci">#define CUTLASS_HOST_DEVICE</div><div class="ttdef"><b>Definition:</b> cutlass.h:89</div></div>
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<div class="ttc" id="numeric__types_8h_html"><div class="ttname"><a href="numeric__types_8h.html">numeric_types.h</a></div><div class="ttdoc">Top-level include for all CUTLASS numeric types. </div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_aecbeb4d1a8e75feb7ca8079b2a2f862c"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#aecbeb4d1a8e75feb7ca8079b2a2f862c">cutlass::epilogue::thread::LinearCombination::FragmentOutput</a></div><div class="ttdeci">Array< ElementOutput, kCount > FragmentOutput</div><div class="ttdef"><b>Definition:</b> linear_combination.h:65</div></div>
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<div class="ttc" id="namespacecutlass_html_aabe6b8ce223bf05f65a4721a3f5447a6a280b2492e1afdb76d63ad6a4cd4f38d7"><div class="ttname"><a href="namespacecutlass.html#aabe6b8ce223bf05f65a4721a3f5447a6a280b2492e1afdb76d63ad6a4cd4f38d7">cutlass::FloatRoundStyle::round_to_nearest</a></div><div class="ttdoc">round to nearest even </div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_a9677cb04e23e9afa9fcdc3f34074bb56"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a9677cb04e23e9afa9fcdc3f34074bb56">cutlass::epilogue::thread::LinearCombination::Params::beta</a></div><div class="ttdeci">ElementCompute beta</div><div class="ttdoc">scales source tensor </div><div class="ttdef"><b>Definition:</b> linear_combination.h:75</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_aa6f2fb0b8fb92a28b4b534c3db7e9430"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#aa6f2fb0b8fb92a28b4b534c3db7e9430">cutlass::epilogue::thread::LinearCombination::Params::Params</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE Params(ElementCompute const *alpha_ptr, ElementCompute const *beta_ptr)</div><div class="ttdef"><b>Definition:</b> linear_combination.h:99</div></div>
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<div class="ttc" id="namespacecutlass_html_aabe6b8ce223bf05f65a4721a3f5447a6"><div class="ttname"><a href="namespacecutlass.html#aabe6b8ce223bf05f65a4721a3f5447a6">cutlass::FloatRoundStyle</a></div><div class="ttdeci">FloatRoundStyle</div><div class="ttdef"><b>Definition:</b> numeric_conversion.h:43</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a19589699072bba9621bbb7667e899e4d"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a19589699072bba9621bbb7667e899e4d">cutlass::epilogue::thread::LinearCombination::ElementCompute</a></div><div class="ttdeci">ElementCompute_ ElementCompute</div><div class="ttdef"><b>Definition:</b> linear_combination.h:61</div></div>
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<div class="ttc" id="structcutlass_1_1NumericArrayConverter_html"><div class="ttname"><a href="structcutlass_1_1NumericArrayConverter.html">cutlass::NumericArrayConverter</a></div><div class="ttdoc">Conversion operator for Array. </div><div class="ttdef"><b>Definition:</b> numeric_conversion.h:294</div></div>
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<div class="ttc" id="cutlass_8h_html"><div class="ttname"><a href="cutlass_8h.html">cutlass.h</a></div><div class="ttdoc">Basic include for CUTLASS. </div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html">cutlass::epilogue::thread::LinearCombination::Params</a></div><div class="ttdoc">Host-constructable parameters structure. </div><div class="ttdef"><b>Definition:</b> linear_combination.h:72</div></div>
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<div class="ttc" id="functional_8h_html"><div class="ttname"><a href="functional_8h.html">functional.h</a></div><div class="ttdoc">Define basic numeric operators with specializations for Array<T, N>. SIMD-ize where possible...</div></div>
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<div class="ttc" id="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination_html_a0c576129fa70b60d7ad81ebbc8b8f22d"><div class="ttname"><a href="classcutlass_1_1epilogue_1_1thread_1_1LinearCombination.html#a0c576129fa70b60d7ad81ebbc8b8f22d">cutlass::epilogue::thread::LinearCombination::is_source_needed</a></div><div class="ttdeci">CUTLASS_HOST_DEVICE bool is_source_needed() const </div><div class="ttdoc">Returns true if source is needed. </div><div class="ttdef"><b>Definition:</b> linear_combination.h:128</div></div>
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<div class="ttc" id="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params_html_a01f730dac9a4500cb857bf4ca272bc7b"><div class="ttname"><a href="structcutlass_1_1epilogue_1_1thread_1_1LinearCombination_1_1Params.html#a01f730dac9a4500cb857bf4ca272bc7b">cutlass::epilogue::thread::LinearCombination::Params::beta_ptr</a></div><div class="ttdeci">ElementCompute const * beta_ptr</div><div class="ttdoc">pointer to source scalar - if not null, loads it from memory </div><div class="ttdef"><b>Definition:</b> linear_combination.h:77</div></div>
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