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| <div class="title">vectorization-inl.h</div> </div> |
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| <a href="vectorization-inl_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"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef MXNET_COMMON_CUDA_RTC_VECTORIZATION_INL_H_</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define MXNET_COMMON_CUDA_RTC_VECTORIZATION_INL_H_</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="include_2mxnet_2base_8h.html">mxnet/base.h</a>></span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#if MXNET_USE_CUDA</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <sstream></span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <algorithm></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "../rtc.h"</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "../../utils.h"</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>common {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>cuda {</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>rtc {</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#a85172c90f8071324eb159bc97c257264"> 40</a></span> <span class="keyword">const</span> <span class="keywordtype">char</span> <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#a85172c90f8071324eb159bc97c257264">vectorization_support_string</a>[] = R<span class="stringliteral">"code(</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="stringliteral">namespace vector {</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="stringliteral">constexpr int vectorized_kernel_thread_num = 512;</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="stringliteral">template <int size></span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="stringliteral">struct VectorType {</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="stringliteral"> static_assert(size <= 32, "VectorType needs to have size of at most 32B");</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="stringliteral">struct VectorType<1> {</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="stringliteral"> using type = char;</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="stringliteral">struct VectorType<2> {</span></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="stringliteral"> using type = short;</span></div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="stringliteral">struct VectorType<4> {</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="stringliteral"> using type = int;</span></div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="stringliteral">struct VectorType<8> {</span></div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="stringliteral"> using type = long long;</span></div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="stringliteral">struct VectorType<16> {</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="stringliteral"> using type = ulonglong2;</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="stringliteral">struct VectorType<32> {</span></div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="stringliteral"> using type = ulonglong4;</span></div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="stringliteral">template <typename DType></span></div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="stringliteral">__device__ inline DType add_elem(const DType& x, const DType& y) {</span></div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="stringliteral"> return x + y;</span></div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="stringliteral">}</span></div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="stringliteral">template <></span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="stringliteral">__device__ inline half add_elem(const half& x, const half& y) {</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="stringliteral"> return __float2half(__half2float(x) + __half2float(y));</span></div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="stringliteral">}</span></div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="stringliteral">/* \brief Helper class that enables storing multiple values of type DType</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="stringliteral"> as 1 value of type LType.</span></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="stringliteral">*/</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="stringliteral">template <typename DType, int n></span></div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="stringliteral">class VectorizedStorage {</span></div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="stringliteral"> public:</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="stringliteral"> using LType = typename VectorType<sizeof(DType) * n>::type;</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="stringliteral"> constexpr static int nvec = n;</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="stringliteral"> union vectorized_storage {</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="stringliteral"> LType aligned;</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="stringliteral"> DType separate[nvec]; // NOLINT(*)</span></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="stringliteral"> inline __device__ vectorized_storage() {}</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="stringliteral"> inline __device__ ~vectorized_storage() {}</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="stringliteral"> } scratch_;</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="stringliteral"> inline __device__ VectorizedStorage() {}</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="stringliteral"> inline __device__ VectorizedStorage (const VectorizedStorage<DType, n>& y2) {</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="stringliteral"> scratch_.aligned = y2.scratch_.aligned;</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="stringliteral"> inline __device__ VectorizedStorage (const LType &y2) {</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="stringliteral"> scratch_.aligned = y2;</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="stringliteral"> inline __device__ VectorizedStorage<DType, n>& operator+=(</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="stringliteral"> const VectorizedStorage<DType, n>& rhs) {</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="stringliteral"> #pragma unroll</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="stringliteral"> for (int i = 0; i < nvec; ++i) {</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="stringliteral"> scratch_.separate[i] = add_elem(scratch_.separate[i], rhs.scratch_.separate[i]);</span></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="stringliteral"> return *this;</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="stringliteral"> inline __device__ ~VectorizedStorage() {}</span></div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="stringliteral">// Returns const LType is DType is const</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="stringliteral">template <typename DType, typename LType></span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="stringliteral">struct select_const {</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="stringliteral"> using type = LType;</span></div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="stringliteral">template <typename DType, typename LType></span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="stringliteral">struct select_const<const DType, LType> {</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="stringliteral"> using type = const LType;</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="stringliteral">template <typename DType></span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="stringliteral">struct remove_const {</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="stringliteral"> using type = DType;</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="stringliteral">template <typename DType></span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="stringliteral">struct remove_const<const DType> {</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="stringliteral"> using type = DType;</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="stringliteral">/* \brief Helper class that enables accessing multiple values of type DType</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="stringliteral"> as 1 value of type LType. Additional aligned template argument</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="stringliteral"> allows performance optimizations if the pointer and the size of</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="stringliteral"> the allocation is aligned to sizeof(LType) / sizeof(DType) elements.</span></div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="stringliteral">*/</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="stringliteral">template <typename DType, int nvec, bool aligned = false></span></div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="stringliteral">class VectorizedAccessor {</span></div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="stringliteral"> public:</span></div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="stringliteral"> using StorageType = VectorizedStorage<typename remove_const<DType>::type,</span></div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="stringliteral"> nvec>;</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="stringliteral"> using LType = typename select_const<DType, typename StorageType::LType>::type;</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="stringliteral"> StorageType storage_;</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="stringliteral"> LType* aligned_ptr_;</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="stringliteral"> DType* unaligned_ptr_;</span></div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="stringliteral"> int alignment_;</span></div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="stringliteral"> index_t n_elems_;</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="stringliteral"> inline __device__ VectorizedAccessor(DType* const ptr, const index_t size) {</span></div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="stringliteral"> unaligned_ptr_ = ptr;</span></div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="stringliteral"> if (aligned) {</span></div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="stringliteral"> alignment_ = 0;</span></div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="stringliteral"> aligned_ptr_ = reinterpret_cast<LType*>(ptr);</span></div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="stringliteral"> n_elems_ = (size + nvec - 1) / nvec;</span></div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="stringliteral"> size_t ptr_as_number = reinterpret_cast<size_t>(ptr);</span></div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="stringliteral"> alignment_ = (ptr_as_number % sizeof(LType)) / sizeof(DType);</span></div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="stringliteral"> aligned_ptr_ = reinterpret_cast<LType*>(ptr - alignment_);</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="stringliteral"> n_elems_ = (size + alignment_ + nvec - 1) / nvec;</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="stringliteral"> /* \brief Alignment of the input pointer in elements. */</span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="stringliteral"> inline __device__ int alignment() const {</span></div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="stringliteral"> return alignment_;</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="stringliteral"> /* \brief Access to separate elements. */</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="stringliteral"> inline __device__ DType* separate() {</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="stringliteral"> return storage_.scratch_.separate;</span></div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="stringliteral"> /* \brief Number of aligned elements that span the entire input tensor. */</span></div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="stringliteral"> inline __device__ index_t num_aligned_elements() const {</span></div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="stringliteral"> return n_elems_;</span></div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="stringliteral"> /* \brief Load values from the input.</span></div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="stringliteral"> \param id Aligned index of the element.</span></div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="stringliteral"> \param N size of the tensor.</span></div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="stringliteral"> */</span></div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="stringliteral"> inline __device__ void load(const index_t id, const index_t N) {</span></div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="stringliteral"> if (aligned) {</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="stringliteral"> storage_.scratch_.aligned = aligned_ptr_[id];</span></div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="stringliteral"> if (id > 0 && id < n_elems_ - 1) {</span></div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="stringliteral"> storage_.scratch_.aligned = aligned_ptr_[id];</span></div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="stringliteral">#pragma unroll</span></div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="stringliteral"> for (int j = 0; j < nvec; ++j) {</span></div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="stringliteral"> DType* ptr = reinterpret_cast<DType*>(&(aligned_ptr_[id])) + j;</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="stringliteral"> if (reinterpret_cast<size_t>(ptr) >= reinterpret_cast<size_t>(unaligned_ptr_) &&</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="stringliteral"> reinterpret_cast<size_t>(ptr) < reinterpret_cast<size_t>(unaligned_ptr_ + N)) {</span></div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="stringliteral"> storage_.scratch_.separate[j] = *ptr;</span></div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="stringliteral"> storage_.scratch_.separate[j] = DType();</span></div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="stringliteral">/* \brief Class used for vectorized read-only access. */</span></div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="stringliteral">template <typename DType, int nvec, bool aligned = false></span></div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="stringliteral">class VectorizedLoader : public VectorizedAccessor<const DType, nvec, aligned> {</span></div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="stringliteral"> public:</span></div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="stringliteral"> inline __device__ VectorizedLoader(const DType* ptr, const index_t N) :</span></div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="stringliteral"> VectorizedAccessor<const DType, nvec, aligned>(ptr, N) {</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="stringliteral">/* \brief Class used for vectorized writable access. */</span></div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="stringliteral">template <typename DType, int nvec, bool aligned = false></span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="stringliteral">class VectorizedStorer : public VectorizedAccessor<DType, nvec, aligned> {</span></div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="stringliteral"> public:</span></div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="stringliteral"> inline __device__ VectorizedStorer(DType* ptr, const index_t N) :</span></div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="stringliteral"> VectorizedAccessor<DType, nvec, aligned>(ptr, N) {</span></div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="stringliteral"> /* \brief Store values to the output.</span></div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="stringliteral"> \param id Aligned index of the element.</span></div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="stringliteral"> \param N size of the tensor.</span></div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="stringliteral"> */</span></div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="stringliteral"> inline __device__ void store(const index_t id, const index_t N) {</span></div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="stringliteral"> if (aligned) {</span></div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="stringliteral"> this->aligned_ptr_[id] = this->storage_.scratch_.aligned;</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="stringliteral"> if (id > 0 && id < this->n_elems_ - 1) {</span></div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="stringliteral"> this->aligned_ptr_[id] = this->storage_.scratch_.aligned;</span></div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="stringliteral"> } else {</span></div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="stringliteral">#pragma unroll</span></div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="stringliteral"> for (int j = 0; j < nvec; ++j) {</span></div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="stringliteral"> DType* ptr = reinterpret_cast<DType*>(&(this->aligned_ptr_[id])) + j;</span></div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="stringliteral"> if (reinterpret_cast<size_t>(ptr) >= reinterpret_cast<size_t>(this->unaligned_ptr_) &&</span></div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="stringliteral"> reinterpret_cast<size_t>(ptr) < reinterpret_cast<size_t>(this->unaligned_ptr_ + N)) {</span></div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="stringliteral"> *ptr = this->storage_.scratch_.separate[j];</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="stringliteral"> }</span></div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="stringliteral">};</span></div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="stringliteral">} // namespace vector</span></div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="stringliteral">)code";</span></div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="stringliteral"></span> </div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="stringliteral"></span><span class="keyword">namespace </span>{</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keyword">inline</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> get_num_aligned_elements(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr,</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> lead_dim,</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> nvec,</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> size) {</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">size_t</span> ptr_as_number = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(ptr);</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordtype">int</span> alignment = (ptr_as_number % (nvec * size)) / size;</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> (lead_dim + alignment + nvec - 1) / nvec;</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> }</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">enum class</span> Alignment {</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  SAME_ALIGNED, <span class="comment">// All tensors aligned</span></div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  SAME_UNALIGNED, <span class="comment">// All tensors have the same misalignment</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  DIFFERENT <span class="comment">// Tensors have different alignment</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span> };</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> CalcAlignment(<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr, <span class="keyword">const</span> <span class="keywordtype">int</span> size) {</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordtype">size_t</span> ptr_as_number = <span class="keyword">reinterpret_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(ptr);</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">return</span> ptr_as_number % size;</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment">/* \brief Check alignment of the inputs and outputs when using vectorized accesses.</span></div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> \param params Structure containing arrays with inputs' and outputs' pointers</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> \param lead_dim Leading dimension of the tensors.</span></div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> \param other_dim The size of the other dimensions of the tensors.</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> \param nvec Length of the vector.</span></div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> \param inputs Inputs to the operator.</span></div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> \param outputs Outputs of the operator.</span></div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment">*/</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Params></div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span> Alignment CheckAlignment(<span class="keyword">const</span> Params& params,</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> lead_dim,</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> other_dim,</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> nvec,</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> std::vector<TBlob>& inputs,</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> std::vector<TBlob>& outputs) {</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">using namespace </span>common;</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordtype">int</span> align = -1;</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordtype">size_t</span> i = 0;</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr : params.inputs) {</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> (ptr != <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">int</span> new_align = CalcAlignment(ptr, <a class="code" href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">mshadow_type_info</a>(inputs[i].type_flag_).size * nvec);</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span> (align == -1) {</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  align = new_align;</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (align != new_align) {</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">return</span> Alignment::DIFFERENT;</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  ++i;</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  i = 0;</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">void</span>* ptr : params.outputs) {</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">if</span> (ptr != <span class="keyword">nullptr</span>) {</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordtype">int</span> new_align = CalcAlignment(ptr, <a class="code" href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">mshadow_type_info</a>(outputs[i].type_flag_).size * nvec);</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (align == -1) {</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  align = new_align;</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">if</span> (align != new_align) {</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> Alignment::DIFFERENT;</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  ++i;</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> ((other_dim != 1) && (lead_dim % nvec != 0)) {</div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> Alignment::DIFFERENT;</div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> ((align == 0) && (lead_dim % nvec == 0)) {</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> Alignment::SAME_ALIGNED;</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">return</span> Alignment::SAME_UNALIGNED;</div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span> }</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span> constexpr <span class="keywordtype">int</span> vectorized_kernel_thread_num = 512;</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span> } <span class="comment">// namespace</span></div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  </div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Params></div> |
| <div class="line"><a name="l00369"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#af55f617654efc870d5cd468dd4cf98fd"> 369</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#af55f617654efc870d5cd468dd4cf98fd">VectorizedKernelRTCLauncher</a>(<span class="keyword">const</span> std::string& parameters,</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">const</span> std::string& kernel_name,</div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> std::string& code,</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordtype">int</span> nvec,</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> lead_dim,</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> other_dim,</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">mshadow::Stream<gpu></a>* s,</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> Params params,</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keyword">const</span> std::vector<TBlob>& inputs,</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keyword">const</span> std::vector<TBlob>& outputs,</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dev_id,</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> lead_input_num = 0,</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> blocks = 0) {</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> N = lead_dim * other_dim;</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  nvec = std::min(nvec, 4); <span class="comment">// Use at most 4-wide vectors</span></div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> (N != 0) {</div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keyword">auto</span> align = CheckAlignment(params, lead_dim, other_dim, nvec, inputs, outputs);</div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  std::string kernel_builder;</div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  kernel_builder.reserve(2560);</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  </div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">// Fill input types</span></div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">int</span> counter = 0;</div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& input : inputs) {</div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& type_info = <a class="code" href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">common::mshadow_type_info</a>(input.type_flag_);</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  kernel_builder += <span class="stringliteral">"using InputType"</span>;</div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  kernel_builder += <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util.html#a3e5473012f581b0d19655d2f299b97fd">std::to_string</a>(counter);</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  kernel_builder += <span class="stringliteral">" = "</span>;</div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  kernel_builder += type_info.name;</div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  kernel_builder += <span class="stringliteral">";\n"</span>;</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  ++counter;</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// Fill output types</span></div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  counter = 0;</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& output : outputs) {</div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& type_info = <a class="code" href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">common::mshadow_type_info</a>(output.type_flag_);</div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  kernel_builder += <span class="stringliteral">"using OutputType"</span>;</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  kernel_builder += <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util.html#a3e5473012f581b0d19655d2f299b97fd">std::to_string</a>(counter);</div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  kernel_builder += <span class="stringliteral">" = "</span>;</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  kernel_builder += type_info.name;</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  kernel_builder += <span class="stringliteral">";\n"</span>;</div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  ++counter;</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  </div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">switch</span> (align) {</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">case</span> Alignment::SAME_ALIGNED:</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  kernel_builder +=</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="stringliteral">"const bool aligned = true;\n"</span></div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="stringliteral">"const int nvec = "</span>;</div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  kernel_builder += <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util.html#a3e5473012f581b0d19655d2f299b97fd">std::to_string</a>(nvec);</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  kernel_builder += <span class="stringliteral">";\n"</span>;</div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">case</span> Alignment::SAME_UNALIGNED:</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  kernel_builder +=</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="stringliteral">"const bool aligned = false;\n"</span></div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="stringliteral">"const int nvec = "</span>;</div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  kernel_builder += <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util.html#a3e5473012f581b0d19655d2f299b97fd">std::to_string</a>(nvec);</div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  kernel_builder += <span class="stringliteral">";\n"</span>;</div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">case</span> Alignment::DIFFERENT: {</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">// If the pointers are aligned differently we cannot vectorize</span></div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  kernel_builder +=</div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="stringliteral">"const bool aligned = true;\n"</span></div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="stringliteral">"const int nvec = 1;\n"</span>;</div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  nvec = 1;</div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  </div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  kernel_builder += parameters;</div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  </div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> num_aligned_elements =</div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  get_num_aligned_elements(params.inputs[lead_input_num],</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  lead_dim,</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  nvec,</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">common::mshadow_type_info</a>(inputs[lead_input_num].type_flag_).<a class="code" href="structmxnet_1_1common_1_1MShadowTypeInfo.html#aab9c0fee891d8621ad5f24cef932c738">size</a>);</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  constexpr <span class="keywordtype">int</span> threads = vectorized_kernel_thread_num;</div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <a class="code" href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">index_t</a> num_blocks;</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (blocks != 0) {</div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  num_blocks = blocks;</div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordtype">size_t</span> num_elements = other_dim * num_aligned_elements;</div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  num_blocks = (num_elements + threads - 1) / threads;</div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  constexpr <span class="keywordtype">int</span> max_blocks = 65535;</div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  num_blocks = std::min(<span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(num_blocks), max_blocks);</div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  std::vector<const void*> args = {&params, &lead_dim, &other_dim, &N, &num_aligned_elements};</div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">auto</span> <span class="keyword">function</span> = <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#aa376584cbd919b0c3cf23f22bbe948fd">common::cuda::rtc::get_function</a>(kernel_builder, kernel_name, code, dev_id);</div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  </div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <a class="code" href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#a9732a1d386bd52d6e11f19ab02be34b1">common::cuda::rtc::launch</a>(<span class="keyword">function</span>,</div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  {<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(num_blocks), 1, 1},</div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  {<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(threads), 1, 1},</div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  0,</div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  s,</div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  &args);</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span> }</div> |
| <div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  </div> |
| <div class="line"><a name="l00467"></a><span class="lineno"> 467</span> } <span class="comment">// namespace rtc</span></div> |
| <div class="line"><a name="l00468"></a><span class="lineno"> 468</span> } <span class="comment">// namespace cuda</span></div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span> } <span class="comment">// namespace common</span></div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span> } <span class="comment">// namespace mxnet</span></div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  </div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="preprocessor">#endif // MXNET_USE_CUDA</span></div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  </div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="preprocessor">#endif // MXNET_COMMON_CUDA_RTC_VECTORIZATION_INL_H_</span></div> |
| </div><!-- fragment --></div><!-- contents --> |
| <div class="ttc" id="anamespacemxnet_html"><div class="ttname"><a href="namespacemxnet.html">mxnet</a></div><div class="ttdoc">namespace of mxnet</div><div class="ttdef"><b>Definition:</b> api_registry.h:33</div></div> |
| <div class="ttc" id="astructmxnet_1_1common_1_1MShadowTypeInfo_html_aab9c0fee891d8621ad5f24cef932c738"><div class="ttname"><a href="structmxnet_1_1common_1_1MShadowTypeInfo.html#aab9c0fee891d8621ad5f24cef932c738">mxnet::common::MShadowTypeInfo::size</a></div><div class="ttdeci">int size</div><div class="ttdef"><b>Definition:</b> utils.h:1091</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util_html_a3e5473012f581b0d19655d2f299b97fd"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc_1_1util.html#a3e5473012f581b0d19655d2f299b97fd">mxnet::common::cuda::rtc::util::to_string</a></div><div class="ttdeci">std::string to_string(OpReqType req)</div><div class="ttdoc">Convert OpReqType to string.</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_html_af55f617654efc870d5cd468dd4cf98fd"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#af55f617654efc870d5cd468dd4cf98fd">mxnet::common::cuda::rtc::VectorizedKernelRTCLauncher</a></div><div class="ttdeci">void VectorizedKernelRTCLauncher(const std::string &parameters, const std::string &kernel_name, const std::string &code, int nvec, const index_t lead_dim, const index_t other_dim, mshadow::Stream< gpu > *s, const Params params, const std::vector< TBlob > &inputs, const std::vector< TBlob > &outputs, const int dev_id, const int lead_input_num=0, const index_t blocks=0)</div><div class="ttdoc">Launcher helper for the kernels using vectorization.</div><div class="ttdef"><b>Definition:</b> vectorization-inl.h:369</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_html_aa8a9546bbfefdbb83d23b9aa1e65778e"><div class="ttname"><a href="namespacemxnet_1_1common.html#aa8a9546bbfefdbb83d23b9aa1e65778e">mxnet::common::mshadow_type_info</a></div><div class="ttdeci">MShadowTypeInfo mshadow_type_info(const int type_flag)</div></div> |
| <div class="ttc" id="astructmshadow_1_1Stream_3_01gpu_01_4_html"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html">mshadow::Stream< gpu ></a></div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:37</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_html_aa376584cbd919b0c3cf23f22bbe948fd"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#aa376584cbd919b0c3cf23f22bbe948fd">mxnet::common::cuda::rtc::get_function</a></div><div class="ttdeci">CUfunction get_function(const std::string &parameters, const std::string &kernel_name, const std::string &code, int dev_id)</div><div class="ttdoc">Compile and get the GPU kernel. Uses cache in order to eliminate the overhead of compilation.</div></div> |
| <div class="ttc" id="anamespacemxnet_html_abadedc1b42ee3e5b8852e63783b982ef"><div class="ttname"><a href="namespacemxnet.html#abadedc1b42ee3e5b8852e63783b982ef">mxnet::index_t</a></div><div class="ttdeci">mshadow::index_t index_t</div><div class="ttdoc">index type usually use unsigned</div><div class="ttdef"><b>Definition:</b> base.h:81</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_html_a9732a1d386bd52d6e11f19ab02be34b1"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#a9732a1d386bd52d6e11f19ab02be34b1">mxnet::common::cuda::rtc::launch</a></div><div class="ttdeci">void launch(CUfunction function, const dim3 grid_dim, const dim3 block_dim, unsigned int shared_mem_bytes, mshadow::Stream< gpu > *stream, std::vector< const void * > *args)</div><div class="ttdoc">Launch a GPU kernel.</div></div> |
| <div class="ttc" id="ainclude_2mxnet_2base_8h_html"><div class="ttname"><a href="include_2mxnet_2base_8h.html">base.h</a></div><div class="ttdoc">configuration of MXNet as well as basic data structure.</div></div> |
| <div class="ttc" id="anamespacemxnet_1_1common_1_1cuda_1_1rtc_html_a85172c90f8071324eb159bc97c257264"><div class="ttname"><a href="namespacemxnet_1_1common_1_1cuda_1_1rtc.html#a85172c90f8071324eb159bc97c257264">mxnet::common::cuda::rtc::vectorization_support_string</a></div><div class="ttdeci">const char vectorization_support_string[]</div><div class="ttdef"><b>Definition:</b> vectorization-inl.h:40</div></div> |
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