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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_fdedb0aba14d44ce9d99bc100e026e6a.html">common</a></li> </ul>
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<div class="title">utils.h</div> </div>
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<a href="utils_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="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifndef MXNET_COMMON_UTILS_H_</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#define MXNET_COMMON_UTILS_H_</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include &lt;dmlc/logging.h&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include &lt;dmlc/omp.h&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include &lt;nnvm/graph.h&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include &lt;<a class="code" href="engine_8h.html">mxnet/engine.h</a>&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include &lt;<a class="code" href="ndarray_8h.html">mxnet/ndarray.h</a>&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include &lt;<a class="code" href="op__attr__types_8h.html">mxnet/op_attr_types.h</a>&gt;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include &lt;<a class="code" href="graph__attr__types_8h.html">mxnet/graph_attr_types.h</a>&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include &lt;nnvm/graph_attr_types.h&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include &lt;type_traits&gt;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include &lt;utility&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include &lt;random&gt;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include &lt;thread&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "../operator/mxnet_op.h"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span>mxnet {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>common {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1csr__indptr__check.html"> 56</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1csr__indptr__check.html">csr_indptr_check</a> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType, <span class="keyword">typename</span> IType&gt;</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1csr__indptr__check.html#a5da824c75914344ce1a228fcec1265b2"> 58</a></span>  MSHADOW_XINLINE <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structmxnet_1_1common_1_1csr__indptr__check.html#a5da824c75914344ce1a228fcec1265b2">Map</a>(<span class="keywordtype">int</span> i, DType* out, <span class="keyword">const</span> IType* indptr,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> nnvm::dim_t end, <span class="keyword">const</span> nnvm::dim_t idx_size) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (indptr[i+1] &lt; 0 || indptr[i+1] &lt; indptr[i] ||</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  (i == 0 &amp;&amp; indptr[i] != 0) ||</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  (i == end - 1 &amp;&amp; indptr[end] != idx_size))</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  *out = <a class="code" href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa11ce5dbb8ad355e9ee5a678f2f51a5bb">kCSRIndPtrErr</a>;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> };</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1csr__idx__check.html"> 71</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1csr__idx__check.html">csr_idx_check</a> {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType, <span class="keyword">typename</span> IType, <span class="keyword">typename</span> RType&gt;</div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1csr__idx__check.html#a325e38479cce9fd6f444ae5ba3b3a2f4"> 73</a></span>  MSHADOW_XINLINE <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structmxnet_1_1common_1_1csr__idx__check.html#a325e38479cce9fd6f444ae5ba3b3a2f4">Map</a>(<span class="keywordtype">int</span> i, DType* out, <span class="keyword">const</span> IType* idx,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> RType* indptr, <span class="keyword">const</span> nnvm::dim_t ncols) {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">for</span> (RType j = indptr[i]; j &lt; indptr[i+1]; j++) {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (idx[j] &gt;= ncols || idx[j] &lt; 0 ||</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  (j &lt; indptr[i+1] - 1 &amp;&amp; idx[j] &gt;= idx[j+1])) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  *out = <a class="code" href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aaf3ee084ba1d9a6203922ff7c9ddb12e3">kCSRIdxErr</a>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</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> };</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1rsp__idx__check.html"> 89</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1rsp__idx__check.html">rsp_idx_check</a> {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType, <span class="keyword">typename</span> IType&gt;</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1rsp__idx__check.html#abb5a461090d1b410d0a1da852b88ccde"> 91</a></span>  MSHADOW_XINLINE <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structmxnet_1_1common_1_1rsp__idx__check.html#abb5a461090d1b410d0a1da852b88ccde">Map</a>(<span class="keywordtype">int</span> i, DType* out, <span class="keyword">const</span> IType* idx,</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> nnvm::dim_t end, <span class="keyword">const</span> nnvm::dim_t nrows) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> ((i &lt; end &amp;&amp; idx[i+1] &lt;= idx[i])</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  || idx[i] &lt; 0 || idx[i] &gt;= nrows)</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  *out = <a class="code" href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa7636cc230df4abe46f3210846faac799">kRSPIdxErr</a>;</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> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#a98fda469aba84baa370e81e94c7d5b0b">CheckFormatWrapper</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1RunContext.html">RunContext</a> &amp;rctx, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> &amp;input,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a> &amp;err_cpu, <span class="keyword">const</span> <span class="keywordtype">bool</span> full_check);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a6baaba1469561220a2484be92cc77aae"> 112</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#a6baaba1469561220a2484be92cc77aae">CheckFormatCSRImpl</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1RunContext.html">RunContext</a> &amp;rctx, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> &amp;input,</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a> &amp;err_cpu, <span class="keyword">const</span> <span class="keywordtype">bool</span> full_check) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">using namespace </span>op::mxnet_op;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  CHECK_EQ(input.<a class="code" href="classmxnet_1_1NDArray.html#a4d8f894c0306ad693ccf29278a613732">storage_type</a>(), <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aa777c7ad3afa566f2e841f12c81aab254">kCSRStorage</a>)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  &lt;&lt; <span class="stringliteral">"CheckFormatCSRImpl is for CSRNDArray"</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">TShape</a> shape = input.shape();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">TShape</a> idx_shape = input.aux_shape(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42aa6ca1dbcb9c5858e0d28237ae3624ed7">csr::kIdx</a>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">TShape</a> indptr_shape = input.aux_shape(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1">csr::kIndPtr</a>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">TShape</a> storage_shape = input.storage_shape();</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> ((shape.ndim() != 2) ||</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  (idx_shape.ndim() != 1 || indptr_shape.ndim() != 1 || storage_shape.ndim() != 1) ||</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  (indptr_shape[0] != shape[0] + 1) ||</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  (idx_shape[0] != storage_shape[0])) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  MSHADOW_TYPE_SWITCH(err_cpu.<a class="code" href="classmxnet_1_1TBlob.html#a4649b740b80a6045754cb2389cfcca61">type_flag_</a>, DType, {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  DType* err = err_cpu.<a class="code" href="classmxnet_1_1TBlob.html#a3449ca0a9130e87c343130b041b68c53">dptr</a>&lt;DType&gt;();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  *err = <a class="code" href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aaf64429479d4a48998e6cd122a3117628">kCSRShapeErr</a>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  });</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span>;</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>  <span class="keywordflow">if</span> (full_check) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  MSHADOW_TYPE_SWITCH(err_cpu.type_flag_, DType, {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  MSHADOW_IDX_TYPE_SWITCH(input.aux_type(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1">csr::kIndPtr</a>), RType, {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  MSHADOW_IDX_TYPE_SWITCH(input.aux_type(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42aa6ca1dbcb9c5858e0d28237ae3624ed7">csr::kIdx</a>), IType, {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  mshadow::Stream&lt;xpu&gt; *s = rctx.get_stream&lt;xpu&gt;();</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> ret_xpu = <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>(mshadow::Shape1(1),</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  rctx.get_ctx(), <span class="keyword">false</span>, err_cpu.type_flag_);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a> val_xpu = ret_xpu.data();</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  Kernel&lt;set_to_int&lt;kNormalErr&gt;, xpu&gt;::Launch(s, val_xpu.Size(), val_xpu.dptr&lt;DType&gt;());</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  Kernel&lt;csr_indptr_check, xpu&gt;::Launch(s, indptr_shape[0] - 1, val_xpu.dptr&lt;DType&gt;(),</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  input.aux_data(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1">csr::kIndPtr</a>).dptr&lt;RType&gt;(),</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  indptr_shape[0] - 1, idx_shape[0]);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// no need to check indices if indices are empty</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (idx_shape[0] != 0) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  Kernel&lt;csr_idx_check, xpu&gt;::Launch(s, indptr_shape[0] - 1, val_xpu.dptr&lt;DType&gt;(),</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  input.aux_data(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42aa6ca1dbcb9c5858e0d28237ae3624ed7">csr::kIdx</a>).dptr&lt;IType&gt;(),</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  input.aux_data(<a class="code" href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1">csr::kIndPtr</a>).dptr&lt;RType&gt;(), shape[1]);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  mshadow::Copy(err_cpu.get&lt;<a class="code" href="namespacemxnet.html#a850af9d76d9d4beaeb5234c1434973e3">cpu</a>, 1, DType&gt;(),</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  val_xpu.get&lt;xpu, 1, DType&gt;(s), s);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  });</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>  });</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> }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#afd045f69bce37692fd1e8ccb0e2ab208"> 166</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#afd045f69bce37692fd1e8ccb0e2ab208">CheckFormatRSPImpl</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1RunContext.html">RunContext</a> &amp;rctx, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> &amp;input,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a> &amp;err_cpu, <span class="keyword">const</span> <span class="keywordtype">bool</span> full_check) {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">using namespace </span>op::mxnet_op;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  CHECK_EQ(input.<a class="code" href="classmxnet_1_1NDArray.html#a4d8f894c0306ad693ccf29278a613732">storage_type</a>(), <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aac095f52c31076adc7207f4a4f17d7aa3">kRowSparseStorage</a>)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  &lt;&lt; <span class="stringliteral">"CheckFormatRSPImpl is for RSPNDArray"</span>;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">TShape</a> idx_shape = input.aux_shape(<a class="code" href="namespacemxnet_1_1rowsparse.html#a0ad4c619684fa4d442c7076c18fef232ac52a46037d8cfe90ccc5da8712c7f6da">rowsparse::kIdx</a>);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (idx_shape[0] != input.storage_shape()[0]) {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  MSHADOW_TYPE_SWITCH(err_cpu.<a class="code" href="classmxnet_1_1TBlob.html#a4649b740b80a6045754cb2389cfcca61">type_flag_</a>, DType, {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  DType* err = err_cpu.<a class="code" href="classmxnet_1_1TBlob.html#a3449ca0a9130e87c343130b041b68c53">dptr</a>&lt;DType&gt;();</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  *err = <a class="code" href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa200492eeec6fa431683ef0d943bfbc2d">kRSPShapeErr</a>;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  });</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (idx_shape[0] == 0) {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (full_check) {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  MSHADOW_TYPE_SWITCH(err_cpu.type_flag_, DType, {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  MSHADOW_IDX_TYPE_SWITCH(input.aux_type(<a class="code" href="namespacemxnet_1_1rowsparse.html#a0ad4c619684fa4d442c7076c18fef232ac52a46037d8cfe90ccc5da8712c7f6da">rowsparse::kIdx</a>), IType, {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  mshadow::Stream&lt;xpu&gt; *s = rctx.get_stream&lt;xpu&gt;();</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  NDArray ret_xpu = NDArray(mshadow::Shape1(1),</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  rctx.get_ctx(), <span class="keyword">false</span>, err_cpu.type_flag_);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  TBlob val_xpu = ret_xpu.data();</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  Kernel&lt;set_to_int&lt;kNormalErr&gt;, xpu&gt;::Launch(s, val_xpu.Size(), val_xpu.dptr&lt;DType&gt;());</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  Kernel&lt;rsp_idx_check, xpu&gt;::Launch(s, idx_shape[0],</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  val_xpu.dptr&lt;DType&gt;(), input.aux_data(<a class="code" href="namespacemxnet_1_1rowsparse.html#a0ad4c619684fa4d442c7076c18fef232ac52a46037d8cfe90ccc5da8712c7f6da">rowsparse::kIdx</a>).dptr&lt;IType&gt;(),</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  idx_shape[0] - 1, input.shape()[0]);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  mshadow::Copy(err_cpu.get&lt;<a class="code" href="namespacemxnet.html#a850af9d76d9d4beaeb5234c1434973e3">cpu</a>, 1, DType&gt;(),</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  val_xpu.get&lt;xpu, 1, DType&gt;(s), s);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  });</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  });</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#aad9a34663862df90d3aa8683a2d9052a"> 202</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#aad9a34663862df90d3aa8683a2d9052a">CheckFormatImpl</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1RunContext.html">RunContext</a> &amp;rctx, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> &amp;input,</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a> &amp;err_cpu, <span class="keyword">const</span> <span class="keywordtype">bool</span> full_check) {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">int</span> stype = input.<a class="code" href="classmxnet_1_1NDArray.html#a4d8f894c0306ad693ccf29278a613732">storage_type</a>();</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (stype == <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aa777c7ad3afa566f2e841f12c81aab254">kCSRStorage</a>) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  CheckFormatCSRImpl&lt;xpu&gt;(rctx, input, err_cpu, full_check);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stype == <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aac095f52c31076adc7207f4a4f17d7aa3">kRowSparseStorage</a>) {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  CheckFormatRSPImpl&lt;xpu&gt;(rctx, input, err_cpu, full_check);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stype == <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aabf6395d98a9668e8066a0c0da5570608">kDefaultStorage</a>) {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// no-op for default storage</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  LOG(FATAL) &lt;&lt; <span class="stringliteral">"Unknown storage type "</span> &lt;&lt; stype;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#a905e77124ee11208c40a8afd3ee42167">SparseRetainOpForwardRspWrapper</a>(mshadow::Stream&lt;xpu&gt; *s,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>&amp; input_nd,</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1TBlob.html">TBlob</a>&amp; idx_data,</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398">OpReqType</a> req,</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>* output_nd);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">/* \brief Casts tensor storage type to the new type.</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> xpu&gt;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#afd53ea405dcc105e6b306148009ff827">CastStorageDispatch</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1OpContext.html">OpContext</a>&amp; ctx, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>&amp; input, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>&amp; output);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a2258092ce26805c0a8f65a4144c446dd"> 234</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11">ContainsOnlyStorage</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6606bef15f41cccade14c9400e8447cf">StorageTypeVector</a>&amp; vstorage,</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype) {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (!vstorage.empty()) {</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; i : vstorage) {</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (i != stype) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
<div class="line"><a name="l00249"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a10765e03ef091a5dd81b1b3efa4b46f4"> 249</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11">ContainsOnlyStorage</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a6606bef15f41cccade14c9400e8447cf">StorageTypeVector</a>&amp; vstorage,</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype1,</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype2,</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">bool</span> *has_both) {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (has_both) {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  *has_both = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span> (!vstorage.empty()) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  uint8_t has = 0;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> i : vstorage) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">if</span> (i == stype1) {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  has |= 1;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i == stype2) {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  has |= 2;</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (has_both) {</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  *has_both = has == 3;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a name="l00278"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a9a7d1b47adce6f8291db8c3106087b90"> 278</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11">ContainsOnlyStorage</a>(<span class="keyword">const</span> std::vector&lt;NDArray&gt;&amp; ndarrays,</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype) {</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (!ndarrays.empty()) {</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; nd : ndarrays) {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">if</span> (nd.storage_type() != stype) {</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <span class="keyword">true</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="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> }</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11"> 294</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11">ContainsOnlyStorage</a>(<span class="keyword">const</span> std::vector&lt;NDArray&gt;&amp; ndarrays,</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype1,</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype2,</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">bool</span> *has_both) {</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (has_both) {</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  *has_both = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">if</span> (!ndarrays.empty()) {</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  uint8_t has = 0;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; nd : ndarrays) {</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">NDArrayStorageType</a> stype = nd.storage_type();</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (stype == stype1) {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  has |= 1;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stype == stype2) {</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  has |= 2;</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (has_both) {</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  *has_both = has == 3;</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>  <span class="keywordflow">return</span> <span class="keyword">true</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>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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="l00322"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a4716f6044f678090af8ae7ef3ace3a31"> 322</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacemxnet_1_1common.html#a4716f6044f678090af8ae7ef3ace3a31">dispatch_mode_string</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet.html#aad5fec2b4bceabbf4b884460cc2e0a2b">DispatchMode</a> x) {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">switch</span> (x) {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">case</span> DispatchMode::kFCompute:</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> <span class="stringliteral">"fcompute"</span>;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">case</span> DispatchMode::kFComputeEx:</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> <span class="stringliteral">"fcompute_ex"</span>;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">case</span> DispatchMode::kFComputeFallback:</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> <span class="stringliteral">"fcompute_fallback"</span>;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">case</span> DispatchMode::kVariable:</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">return</span> <span class="stringliteral">"variable"</span>;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">case</span> DispatchMode::kUndefined:</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> <span class="stringliteral">"undefined"</span>;</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>  <span class="keywordflow">return</span> <span class="stringliteral">"unknown"</span>;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div>
<div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#ab379cd302d59005010ae29aff6e55009"> 340</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacemxnet_1_1common.html#ab379cd302d59005010ae29aff6e55009">stype_string</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> x) {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">switch</span> (x) {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aabf6395d98a9668e8066a0c0da5570608">kDefaultStorage</a>:</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">return</span> <span class="stringliteral">"default"</span>;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aa777c7ad3afa566f2e841f12c81aab254">kCSRStorage</a>:</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <span class="stringliteral">"csr"</span>;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aac095f52c31076adc7207f4a4f17d7aa3">kRowSparseStorage</a>:</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">return</span> <span class="stringliteral">"row_sparse"</span>;</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="keywordflow">return</span> <span class="stringliteral">"unknown"</span>;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> }</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> </div>
<div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a733ce35d109323dbf4ef1f4bc3094870"> 353</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacemxnet_1_1common.html#a733ce35d109323dbf4ef1f4bc3094870">dev_type_string</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> dev_type) {</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">switch</span> (dev_type) {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">case</span> Context::kCPU:</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> <span class="stringliteral">"cpu"</span>;</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">case</span> Context::kGPU:</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> <span class="stringliteral">"gpu"</span>;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">case</span> Context::kCPUPinned:</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> <span class="stringliteral">"cpu_pinned"</span>;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">case</span> Context::kCPUShared:</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> <span class="stringliteral">"cpu_shared"</span>;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> <span class="stringliteral">"unknown"</span>;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a40770734529b91fe60fa6b3d76043717"> 368</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacemxnet_1_1common.html#a40770734529b91fe60fa6b3d76043717">operator_stype_string</a>(<span class="keyword">const</span> nnvm::NodeAttrs&amp; attrs,</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dev_mask,</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">const</span> std::vector&lt;int&gt;&amp; in_attrs,</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">const</span> std::vector&lt;int&gt;&amp; out_attrs) {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  std::ostringstream os;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  os &lt;&lt; <span class="stringliteral">"operator = "</span> &lt;&lt; attrs.op-&gt;name</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  &lt;&lt; <span class="stringliteral">"\ninput storage types = ["</span>;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> attr : in_attrs) {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  os &lt;&lt; <a class="code" href="namespacemxnet_1_1common.html#ab379cd302d59005010ae29aff6e55009">stype_string</a>(attr) &lt;&lt; <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  os &lt;&lt; <span class="stringliteral">"]\n"</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  &lt;&lt; <span class="stringliteral">"output storage types = ["</span>;</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">int</span> attr : out_attrs) {</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  os &lt;&lt; <a class="code" href="namespacemxnet_1_1common.html#ab379cd302d59005010ae29aff6e55009">stype_string</a>(attr) &lt;&lt; <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  os &lt;&lt; <span class="stringliteral">"]\n"</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  &lt;&lt; <span class="stringliteral">"params = {"</span>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> kv : attrs.dict) {</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  os &lt;&lt; <span class="stringliteral">"\""</span> &lt;&lt; kv.first &lt;&lt; <span class="stringliteral">"\" : "</span> &lt;&lt; kv.second &lt;&lt; <span class="stringliteral">", "</span>;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  os &lt;&lt; <span class="stringliteral">"}\n"</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  &lt;&lt; <span class="stringliteral">"context.dev_mask = "</span> &lt;&lt; <a class="code" href="namespacemxnet_1_1common.html#a733ce35d109323dbf4ef1f4bc3094870">dev_type_string</a>(dev_mask);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> os.str();</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00394"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a8873d9dcccfd8e613c1c156934cee98c"> 394</a></span> <span class="keyword">inline</span> std::string <a class="code" href="namespacemxnet_1_1common.html#a8873d9dcccfd8e613c1c156934cee98c">operator_string</a>(<span class="keyword">const</span> nnvm::NodeAttrs&amp; attrs,</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> <a class="code" href="structmxnet_1_1OpContext.html">OpContext</a>&amp; ctx,</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">const</span> std::vector&lt;NDArray&gt;&amp; inputs,</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keyword">const</span> std::vector&lt;OpReqType&gt;&amp; req,</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keyword">const</span> std::vector&lt;NDArray&gt;&amp; outputs) {</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  std::string result = <span class="stringliteral">""</span>;</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  std::vector&lt;int&gt; in_stypes;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  std::vector&lt;int&gt; out_stypes;</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  in_stypes.reserve(inputs.size());</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  out_stypes.reserve(outputs.size());</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keyword">auto</span> xform = [](<span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a> arr) -&gt; <span class="keywordtype">int</span> { <span class="keywordflow">return</span> arr.storage_type(); };</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  std::transform(inputs.begin(), inputs.end(), std::back_inserter(in_stypes), xform);</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  std::transform(outputs.begin(), outputs.end(), std::back_inserter(out_stypes), xform);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  result += <a class="code" href="namespacemxnet_1_1common.html#a40770734529b91fe60fa6b3d76043717">operator_stype_string</a>(attrs, ctx.<a class="code" href="structmxnet_1_1OpContext.html#a869d4c68c0028a175406f11332baf7cf">run_ctx</a>.<a class="code" href="structmxnet_1_1RunContext.html#ace5970ed7c25ccc98ffd0dcf35fd3c88">ctx</a>.<a class="code" href="structmxnet_1_1Context.html#a07c6092f42393d543460f766a7a3b6df">dev_mask</a>(), in_stypes, out_stypes);</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> }</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a name="l00412"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#af27662fd97dc715a8e7223e2b4a62db3"> 412</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#af27662fd97dc715a8e7223e2b4a62db3">LogOnce</a>(<span class="keyword">const</span> std::string&amp; message) {</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keyword">typedef</span> dmlc::ThreadLocalStore&lt;std::unordered_set&lt;std::string&gt;&gt; LogStore;</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keyword">auto</span> log_store = LogStore::Get();</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (log_store-&gt;find(message) == log_store-&gt;end()) {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  LOG(INFO) &lt;&lt; message;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  log_store-&gt;insert(message);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> }</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div>
<div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#aad719abf411ea1ed9185c3849203820f"> 423</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#aad719abf411ea1ed9185c3849203820f">LogStorageFallback</a>(<span class="keyword">const</span> nnvm::NodeAttrs&amp; attrs,</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> dev_mask,</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keyword">const</span> std::vector&lt;int&gt;* in_attrs,</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keyword">const</span> std::vector&lt;int&gt;* out_attrs) {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> log = dmlc::GetEnv(<span class="stringliteral">"MXNET_STORAGE_FALLBACK_LOG_VERBOSE"</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (!log) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keyword">const</span> std::string op_str = <a class="code" href="namespacemxnet_1_1common.html#a40770734529b91fe60fa6b3d76043717">operator_stype_string</a>(attrs, dev_mask, *in_attrs, *out_attrs);</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  std::ostringstream os;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* warning = <span class="stringliteral">"\nThe operator with default storage type will be dispatched "</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="stringliteral">"for execution. You're seeing this warning message because the operator above is unable "</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="stringliteral">"to process the given ndarrays with specified storage types, context and parameter. "</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="stringliteral">"Temporary dense ndarrays are generated in order to execute the operator. "</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="stringliteral">"You can set environment variable MXNET_STORAGE_FALLBACK_LOG_VERBOSE to "</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="stringliteral">"0 to suppress this warning."</span>;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  os &lt;&lt; <span class="stringliteral">"\nStorage type fallback detected:\n"</span> &lt;&lt; op_str &lt;&lt; warning;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <a class="code" href="namespacemxnet_1_1common.html#af27662fd97dc715a8e7223e2b4a62db3">LogOnce</a>(os.str());</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> </div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment">// heuristic to dermine number of threads per GPU</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a467e8b51fc0d0a7266e9f3172b2ff7f1"> 442</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemxnet_1_1common.html#a467e8b51fc0d0a7266e9f3172b2ff7f1">GetNumThreadsPerGPU</a>() {</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// This is resource efficient option.</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_GPU_WORKER_NTHREADS"</span>, 2);</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="comment">// heuristic to get number of matching colors.</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment">// this decides how much parallelism we can get in each GPU.</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa"> 449</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa">GetExecNumMatchColor</a>() {</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// This is resource efficient option.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordtype">int</span> num_match_color = dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_NUM_TEMP"</span>, 1);</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">return</span> std::min(num_match_color, <a class="code" href="namespacemxnet_1_1common.html#a467e8b51fc0d0a7266e9f3172b2ff7f1">GetNumThreadsPerGPU</a>());</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> }</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> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> V&gt;</div>
<div class="line"><a name="l00456"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a1e646ace37016aa994a26d96e739a561"> 456</a></span> V <a class="code" href="namespacemxnet_1_1common.html#a1e646ace37016aa994a26d96e739a561">ParallelAccumulate</a>(<span class="keyword">const</span> T* a, <span class="keyword">const</span> <span class="keywordtype">int</span> n, V start) {</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  V sum = start;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="preprocessor">#pragma omp parallel for reduction(+:sum)</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; n; ++i) {</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  sum += a[i];</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> sum;</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> }</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> RandomIt, <span class="keyword">typename</span> Compare&gt;</div>
<div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a7343dc26405918db27b8224ce41f05f6"> 473</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#a7343dc26405918db27b8224ce41f05f6">ParallelSortHelper</a>(RandomIt first, <span class="keywordtype">size_t</span> len,</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordtype">size_t</span> grainsize, <span class="keyword">const</span> Compare&amp; comp) {</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (len &lt; grainsize) {</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  std::sort(first, first+len, comp);</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  std::thread thr(ParallelSortHelper&lt;RandomIt, Compare&gt;, first, len/2, grainsize, comp);</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <a class="code" href="namespacemxnet_1_1common.html#a7343dc26405918db27b8224ce41f05f6">ParallelSortHelper</a>(first+len/2, len - len/2, grainsize, comp);</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  thr.join();</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  std::inplace_merge(first, first+len/2, first+len, comp);</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span> }</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> RandomIt, <span class="keyword">typename</span> Compare&gt;</div>
<div class="line"><a name="l00495"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a1f273651755067ca9b1e6b8063c283b0"> 495</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#af2c7fe2df1babee66696d2b449e2123c">ParallelSort</a>(RandomIt first, RandomIt last, <span class="keywordtype">size_t</span> num_threads, Compare comp) {</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> <span class="keyword">auto</span> num = std::distance(first, last);</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">size_t</span> grainsize = std::max(num / num_threads + 5, static_cast&lt;size_t&gt;(1024*16));</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <a class="code" href="namespacemxnet_1_1common.html#a7343dc26405918db27b8224ce41f05f6">ParallelSortHelper</a>(first, num, grainsize, comp);</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> RandomIt&gt;</div>
<div class="line"><a name="l00511"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#af2c7fe2df1babee66696d2b449e2123c"> 511</a></span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1common.html#af2c7fe2df1babee66696d2b449e2123c">ParallelSort</a>(RandomIt first, RandomIt last, <span class="keywordtype">size_t</span> num_threads) {</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="namespacemxnet_1_1common.html#af2c7fe2df1babee66696d2b449e2123c">ParallelSort</a>(first, last, num_threads,</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  std::less&lt;<span class="keyword">typename</span> std::iterator_traits&lt;RandomIt&gt;::value_type&gt;());</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span> }</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> </div>
<div class="line"><a name="l00519"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33"> 519</a></span> <span class="keyword">typedef</span> std::mt19937 <a class="code" href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33">RANDOM_ENGINE</a>;</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div>
<div class="line"><a name="l00524"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common_1_1helper.html"> 524</a></span> <span class="keyword">namespace </span>helper {</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html"> 530</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a> {</div>
<div class="line"><a name="l00534"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac"> 534</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">SingleObject</a> = std::unique_ptr&lt;T&gt;;</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> };</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00541"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html"> 541</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a>&lt;T[]&gt; {</div>
<div class="line"><a name="l00545"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c"> 545</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c">UnknownBound</a> = std::unique_ptr&lt;T[]&gt;;</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> };</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> </div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T, <span class="keywordtype">size_t</span> kSize&gt;</div>
<div class="line"><a name="l00552"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html"> 552</a></span> <span class="keyword">struct </span><a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">UniqueIf</a>&lt;T[kSize]&gt; {</div>
<div class="line"><a name="l00556"></a><span class="lineno"><a class="line" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421"> 556</a></span>  <span class="keyword">using</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421">KnownBound</a> = void;</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> };</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> </div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> } <span class="comment">// namespace helper</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class</span>... Args&gt;</div>
<div class="line"><a name="l00573"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042"> 573</a></span> <span class="keyword">typename</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">helper::UniqueIf&lt;T&gt;::SingleObject</a> <a class="code" href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042">MakeUnique</a>(Args&amp;&amp;... args) {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="keywordflow">return</span> std::unique_ptr&lt;T&gt;(<span class="keyword">new</span> T(std::forward&lt;Args&gt;(args)...));</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> }</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> </div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
<div class="line"><a name="l00587"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a39b3453302aa3aa56230fbc88005861d"> 587</a></span> <span class="keyword">typename</span> <a class="code" href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">helper::UniqueIf&lt;T&gt;::UnknownBound</a> <a class="code" href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042">MakeUnique</a>(<span class="keywordtype">size_t</span> n) {</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keyword">using</span> U = <span class="keyword">typename</span> std::remove_extent&lt;T&gt;::type;</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">return</span> std::unique_ptr&lt;T&gt;(<span class="keyword">new</span> U[n]{});</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> }</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> </div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="keyword">template</span> &lt;<span class="keyword">class </span>T, <span class="keyword">class</span>... Args&gt;</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="keyword">typename</span> helper::UniqueIf&lt;T&gt;::KnownBound <a class="code" href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042">MakeUnique</a>(Args&amp;&amp;... args) = <span class="keyword">delete</span>;</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span> <span class="keyword">template</span>&lt;<span class="keyword">typename</span> FCompType&gt;</div>
<div class="line"><a name="l00604"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2"> 604</a></span> FCompType <a class="code" href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2">GetFCompute</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet.html#ac2fb286fd7ddfbc7af1456f6c7a7ee52">nnvm::Op</a>* op, <span class="keyword">const</span> std::string&amp; name,</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>&amp; ctx) {</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keyword">static</span> <span class="keyword">auto</span>&amp; fcompute_cpu = nnvm::Op::GetAttr&lt;FCompType&gt;(name + <span class="stringliteral">"&lt;cpu&gt;"</span>);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keyword">static</span> <span class="keyword">auto</span>&amp; fcompute_gpu = nnvm::Op::GetAttr&lt;FCompType&gt;(name + <span class="stringliteral">"&lt;gpu&gt;"</span>);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (ctx.<a class="code" href="structmxnet_1_1Context.html#a07c6092f42393d543460f766a7a3b6df">dev_mask</a>() == cpu::kDevMask) {</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordflow">return</span> fcompute_cpu.get(op, <span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ctx.<a class="code" href="structmxnet_1_1Context.html#a07c6092f42393d543460f766a7a3b6df">dev_mask</a>() == gpu::kDevMask) {</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordflow">return</span> fcompute_gpu.get(op, <span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  LOG(FATAL) &lt;&lt; <span class="stringliteral">"Unknown device mask"</span>;</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  }</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> }</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span> } <span class="comment">// namespace common</span></div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span> } <span class="comment">// namespace mxnet</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="preprocessor">#endif // MXNET_COMMON_UTILS_H_</span></div>
<div class="ttc" id="namespacemxnet_html_ace60510752753f459193f95cab0e9e1aa7636cc230df4abe46f3210846faac799"><div class="ttname"><a href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa7636cc230df4abe46f3210846faac799">mxnet::kRSPIdxErr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:74</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1csr__idx__check_html_a325e38479cce9fd6f444ae5ba3b3a2f4"><div class="ttname"><a href="structmxnet_1_1common_1_1csr__idx__check.html#a325e38479cce9fd6f444ae5ba3b3a2f4">mxnet::common::csr_idx_check::Map</a></div><div class="ttdeci">static MSHADOW_XINLINE void Map(int i, DType *out, const IType *idx, const RType *indptr, const nnvm::dim_t ncols)</div><div class="ttdef"><b>Definition:</b> utils.h:73</div></div>
<div class="ttc" id="namespacemxnet_html_a536b732faa980e1de446c552460ff76aabf6395d98a9668e8066a0c0da5570608"><div class="ttname"><a href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aabf6395d98a9668e8066a0c0da5570608">mxnet::kDefaultStorage</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:63</div></div>
<div class="ttc" id="namespacemxnet_html_a536b732faa980e1de446c552460ff76a"><div class="ttname"><a href="namespacemxnet.html#a536b732faa980e1de446c552460ff76a">mxnet::NDArrayStorageType</a></div><div class="ttdeci">NDArrayStorageType</div><div class="ttdef"><b>Definition:</b> ndarray.h:61</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a6baaba1469561220a2484be92cc77aae"><div class="ttname"><a href="namespacemxnet_1_1common.html#a6baaba1469561220a2484be92cc77aae">mxnet::common::CheckFormatCSRImpl</a></div><div class="ttdeci">void CheckFormatCSRImpl(const RunContext &amp;rctx, const NDArray &amp;input, const TBlob &amp;err_cpu, const bool full_check)</div><div class="ttdoc">Check the validity of CSRNDArray. </div><div class="ttdef"><b>Definition:</b> utils.h:112</div></div>
<div class="ttc" id="structmxnet_1_1Context_html_a07c6092f42393d543460f766a7a3b6df"><div class="ttname"><a href="structmxnet_1_1Context.html#a07c6092f42393d543460f766a7a3b6df">mxnet::Context::dev_mask</a></div><div class="ttdeci">DeviceType dev_mask() const </div><div class="ttdoc">Get corresponding device mask. </div><div class="ttdef"><b>Definition:</b> base.h:160</div></div>
<div class="ttc" id="namespacemxnet_1_1csr_html_a74a2e3877ef7b348d5374a9d604aba42aa6ca1dbcb9c5858e0d28237ae3624ed7"><div class="ttname"><a href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42aa6ca1dbcb9c5858e0d28237ae3624ed7">mxnet::csr::kIdx</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:54</div></div>
<div class="ttc" id="classmxnet_1_1NDArray_html_a4d8f894c0306ad693ccf29278a613732"><div class="ttname"><a href="classmxnet_1_1NDArray.html#a4d8f894c0306ad693ccf29278a613732">mxnet::NDArray::storage_type</a></div><div class="ttdeci">NDArrayStorageType storage_type() const </div><div class="ttdef"><b>Definition:</b> ndarray.h:259</div></div>
<div class="ttc" id="engine_8h_html"><div class="ttname"><a href="engine_8h.html">engine.h</a></div><div class="ttdoc">Engine that schedules all the operations according to dependency. </div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_aad9a34663862df90d3aa8683a2d9052a"><div class="ttname"><a href="namespacemxnet_1_1common.html#aad9a34663862df90d3aa8683a2d9052a">mxnet::common::CheckFormatImpl</a></div><div class="ttdeci">void CheckFormatImpl(const RunContext &amp;rctx, const NDArray &amp;input, const TBlob &amp;err_cpu, const bool full_check)</div><div class="ttdef"><b>Definition:</b> utils.h:202</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a467e8b51fc0d0a7266e9f3172b2ff7f1"><div class="ttname"><a href="namespacemxnet_1_1common.html#a467e8b51fc0d0a7266e9f3172b2ff7f1">mxnet::common::GetNumThreadsPerGPU</a></div><div class="ttdeci">int GetNumThreadsPerGPU()</div><div class="ttdef"><b>Definition:</b> utils.h:442</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a905e77124ee11208c40a8afd3ee42167"><div class="ttname"><a href="namespacemxnet_1_1common.html#a905e77124ee11208c40a8afd3ee42167">mxnet::common::SparseRetainOpForwardRspWrapper</a></div><div class="ttdeci">void SparseRetainOpForwardRspWrapper(mshadow::Stream&lt; xpu &gt; *s, const NDArray &amp;input_nd, const TBlob &amp;idx_data, const OpReqType req, NDArray *output_nd)</div><div class="ttdoc">Pick rows specified by user input index array from a row sparse ndarray and save them in the output s...</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a40770734529b91fe60fa6b3d76043717"><div class="ttname"><a href="namespacemxnet_1_1common.html#a40770734529b91fe60fa6b3d76043717">mxnet::common::operator_stype_string</a></div><div class="ttdeci">std::string operator_stype_string(const nnvm::NodeAttrs &amp;attrs, const int dev_mask, const std::vector&lt; int &gt; &amp;in_attrs, const std::vector&lt; int &gt; &amp;out_attrs)</div><div class="ttdoc">get string representation of the operator stypes </div><div class="ttdef"><b>Definition:</b> utils.h:368</div></div>
<div class="ttc" id="op__attr__types_8h_html"><div class="ttname"><a href="op__attr__types_8h.html">op_attr_types.h</a></div><div class="ttdoc">Additional operator attributes beside the ones provided by NNVM. </div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4_html_af31c1728c4b497d304680d69d4e61421"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[kSize]_4.html#af31c1728c4b497d304680d69d4e61421">mxnet::common::helper::UniqueIf&lt; T[kSize]&gt;::KnownBound</a></div><div class="ttdeci">void KnownBound</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:556</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a7343dc26405918db27b8224ce41f05f6"><div class="ttname"><a href="namespacemxnet_1_1common.html#a7343dc26405918db27b8224ce41f05f6">mxnet::common::ParallelSortHelper</a></div><div class="ttdeci">void ParallelSortHelper(RandomIt first, size_t len, size_t grainsize, const Compare &amp;comp)</div><div class="ttdoc">Helper function for ParallelSort. DO NOT call this function directly. Use the interface ParallelSort ...</div><div class="ttdef"><b>Definition:</b> utils.h:473</div></div>
<div class="ttc" id="classmxnet_1_1TBlob_html_a4649b740b80a6045754cb2389cfcca61"><div class="ttname"><a href="classmxnet_1_1TBlob.html#a4649b740b80a6045754cb2389cfcca61">mxnet::TBlob::type_flag_</a></div><div class="ttdeci">int type_flag_</div><div class="ttdoc">type flag of the tensor blob </div><div class="ttdef"><b>Definition:</b> tensor_blob.h:64</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a1abcb76ccd9022ebacdacd69c821cdc2"><div class="ttname"><a href="namespacemxnet_1_1common.html#a1abcb76ccd9022ebacdacd69c821cdc2">mxnet::common::GetFCompute</a></div><div class="ttdeci">FCompType GetFCompute(const nnvm::Op *op, const std::string &amp;name, const Context &amp;ctx)</div><div class="ttdef"><b>Definition:</b> utils.h:604</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a1e646ace37016aa994a26d96e739a561"><div class="ttname"><a href="namespacemxnet_1_1common.html#a1e646ace37016aa994a26d96e739a561">mxnet::common::ParallelAccumulate</a></div><div class="ttdeci">V ParallelAccumulate(const T *a, const int n, V start)</div><div class="ttdef"><b>Definition:</b> utils.h:456</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_af27662fd97dc715a8e7223e2b4a62db3"><div class="ttname"><a href="namespacemxnet_1_1common.html#af27662fd97dc715a8e7223e2b4a62db3">mxnet::common::LogOnce</a></div><div class="ttdeci">void LogOnce(const std::string &amp;message)</div><div class="ttdoc">log message once. Intended for storage fallback warning messages. </div><div class="ttdef"><b>Definition:</b> utils.h:412</div></div>
<div class="ttc" id="namespacemxnet_html_a6e14bb5f6ffc81892feca8d1da658687"><div class="ttname"><a href="namespacemxnet.html#a6e14bb5f6ffc81892feca8d1da658687">mxnet::TShape</a></div><div class="ttdeci">nnvm::TShape TShape</div><div class="ttdoc">Shape data structure used to record shape information. </div><div class="ttdef"><b>Definition:</b> base.h:137</div></div>
<div class="ttc" id="structmxnet_1_1RunContext_html_ace5970ed7c25ccc98ffd0dcf35fd3c88"><div class="ttname"><a href="structmxnet_1_1RunContext.html#ace5970ed7c25ccc98ffd0dcf35fd3c88">mxnet::RunContext::ctx</a></div><div class="ttdeci">Context ctx</div><div class="ttdoc">base Context </div><div class="ttdef"><b>Definition:</b> base.h:255</div></div>
<div class="ttc" id="namespacemxnet_html_ace60510752753f459193f95cab0e9e1aaf3ee084ba1d9a6203922ff7c9ddb12e3"><div class="ttname"><a href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aaf3ee084ba1d9a6203922ff7c9ddb12e3">mxnet::kCSRIdxErr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:72</div></div>
<div class="ttc" id="structmxnet_1_1RunContext_html"><div class="ttname"><a href="structmxnet_1_1RunContext.html">mxnet::RunContext</a></div><div class="ttdoc">execution time context. The information needed in runtime for actual execution. </div><div class="ttdef"><b>Definition:</b> base.h:253</div></div>
<div class="ttc" id="namespacemxnet_html_aad5fec2b4bceabbf4b884460cc2e0a2b"><div class="ttname"><a href="namespacemxnet.html#aad5fec2b4bceabbf4b884460cc2e0a2b">mxnet::DispatchMode</a></div><div class="ttdeci">DispatchMode</div><div class="ttdoc">the dispatch mode of the operator </div><div class="ttdef"><b>Definition:</b> op_attr_types.h:105</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_ab379cd302d59005010ae29aff6e55009"><div class="ttname"><a href="namespacemxnet_1_1common.html#ab379cd302d59005010ae29aff6e55009">mxnet::common::stype_string</a></div><div class="ttdeci">std::string stype_string(const int x)</div><div class="ttdoc">get string representation of storage_type </div><div class="ttdef"><b>Definition:</b> utils.h:340</div></div>
<div class="ttc" id="namespacemxnet_html_a536b732faa980e1de446c552460ff76aa777c7ad3afa566f2e841f12c81aab254"><div class="ttname"><a href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aa777c7ad3afa566f2e841f12c81aab254">mxnet::kCSRStorage</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:65</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_afd53ea405dcc105e6b306148009ff827"><div class="ttname"><a href="namespacemxnet_1_1common.html#afd53ea405dcc105e6b306148009ff827">mxnet::common::CastStorageDispatch</a></div><div class="ttdeci">void CastStorageDispatch(const OpContext &amp;ctx, const NDArray &amp;input, const NDArray &amp;output)</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a98fda469aba84baa370e81e94c7d5b0b"><div class="ttname"><a href="namespacemxnet_1_1common.html#a98fda469aba84baa370e81e94c7d5b0b">mxnet::common::CheckFormatWrapper</a></div><div class="ttdeci">void CheckFormatWrapper(const RunContext &amp;rctx, const NDArray &amp;input, const TBlob &amp;err_cpu, const bool full_check)</div></div>
<div class="ttc" id="structmxnet_1_1OpContext_html"><div class="ttname"><a href="structmxnet_1_1OpContext.html">mxnet::OpContext</a></div><div class="ttdoc">All the possible information needed by Operator.Forward and Backward This is the superset of RunConte...</div><div class="ttdef"><b>Definition:</b> op_attr_types.h:66</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a8873d9dcccfd8e613c1c156934cee98c"><div class="ttname"><a href="namespacemxnet_1_1common.html#a8873d9dcccfd8e613c1c156934cee98c">mxnet::common::operator_string</a></div><div class="ttdeci">std::string operator_string(const nnvm::NodeAttrs &amp;attrs, const OpContext &amp;ctx, const std::vector&lt; NDArray &gt; &amp;inputs, const std::vector&lt; OpReqType &gt; &amp;req, const std::vector&lt; NDArray &gt; &amp;outputs)</div><div class="ttdoc">get string representation of the operator </div><div class="ttdef"><b>Definition:</b> utils.h:394</div></div>
<div class="ttc" id="ndarray_8h_html"><div class="ttname"><a href="ndarray_8h.html">ndarray.h</a></div><div class="ttdoc">NDArray interface that handles array arithematics. </div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_aceba8f2d6de65796966d7f1d341dcf33"><div class="ttname"><a href="namespacemxnet_1_1common.html#aceba8f2d6de65796966d7f1d341dcf33">mxnet::common::RANDOM_ENGINE</a></div><div class="ttdeci">std::mt19937 RANDOM_ENGINE</div><div class="ttdoc">Random Engine. </div><div class="ttdef"><b>Definition:</b> utils.h:519</div></div>
<div class="ttc" id="namespacemxnet_html_ace60510752753f459193f95cab0e9e1aaf64429479d4a48998e6cd122a3117628"><div class="ttname"><a href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aaf64429479d4a48998e6cd122a3117628">mxnet::kCSRShapeErr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:70</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1rsp__idx__check_html"><div class="ttname"><a href="structmxnet_1_1common_1_1rsp__idx__check.html">mxnet::common::rsp_idx_check</a></div><div class="ttdoc">Indices of RSPNDArray should be non-negative, less than the size of first dimension and in ascending ...</div><div class="ttdef"><b>Definition:</b> utils.h:89</div></div>
<div class="ttc" id="namespacemxnet_1_1rowsparse_html_a0ad4c619684fa4d442c7076c18fef232ac52a46037d8cfe90ccc5da8712c7f6da"><div class="ttname"><a href="namespacemxnet_1_1rowsparse.html#a0ad4c619684fa4d442c7076c18fef232ac52a46037d8cfe90ccc5da8712c7f6da">mxnet::rowsparse::kIdx</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:58</div></div>
<div class="ttc" id="namespacemxnet_html_ace60510752753f459193f95cab0e9e1aa200492eeec6fa431683ef0d943bfbc2d"><div class="ttname"><a href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa200492eeec6fa431683ef0d943bfbc2d">mxnet::kRSPShapeErr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:73</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a4716f6044f678090af8ae7ef3ace3a31"><div class="ttname"><a href="namespacemxnet_1_1common.html#a4716f6044f678090af8ae7ef3ace3a31">mxnet::common::dispatch_mode_string</a></div><div class="ttdeci">std::string dispatch_mode_string(const DispatchMode x)</div><div class="ttdoc">get string representation of dispatch_mode </div><div class="ttdef"><b>Definition:</b> utils.h:322</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a733ce35d109323dbf4ef1f4bc3094870"><div class="ttname"><a href="namespacemxnet_1_1common.html#a733ce35d109323dbf4ef1f4bc3094870">mxnet::common::dev_type_string</a></div><div class="ttdeci">std::string dev_type_string(const int dev_type)</div><div class="ttdoc">get string representation of device type </div><div class="ttdef"><b>Definition:</b> utils.h:353</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_html"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html">mxnet::common::helper::UniqueIf</a></div><div class="ttdoc">Helper for non-array type T. </div><div class="ttdef"><b>Definition:</b> utils.h:530</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a4d39ea49a4b4c2aefdd106ffd2ec9a11"><div class="ttname"><a href="namespacemxnet_1_1common.html#a4d39ea49a4b4c2aefdd106ffd2ec9a11">mxnet::common::ContainsOnlyStorage</a></div><div class="ttdeci">bool ContainsOnlyStorage(const std::vector&lt; NDArray &gt; &amp;ndarrays, const NDArrayStorageType stype1, const NDArrayStorageType stype2, bool *has_both)</div><div class="ttdoc">returns true if the storage types of arrays in ndarrays are the same as targets stype1 or stype2...</div><div class="ttdef"><b>Definition:</b> utils.h:294</div></div>
<div class="ttc" id="classmxnet_1_1TBlob_html_a3449ca0a9130e87c343130b041b68c53"><div class="ttname"><a href="classmxnet_1_1TBlob.html#a3449ca0a9130e87c343130b041b68c53">mxnet::TBlob::dptr</a></div><div class="ttdeci">DType * dptr() const </div><div class="ttdoc">get pointer in dtype </div><div class="ttdef"><b>Definition:</b> tensor_blob.h:192</div></div>
<div class="ttc" id="namespacemxnet_1_1csr_html_a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1"><div class="ttname"><a href="namespacemxnet_1_1csr.html#a74a2e3877ef7b348d5374a9d604aba42ad9dcbaec1c8c6ca9d69648c83354aac1">mxnet::csr::kIndPtr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:54</div></div>
<div class="ttc" id="graph__attr__types_8h_html"><div class="ttname"><a href="graph__attr__types_8h.html">graph_attr_types.h</a></div><div class="ttdoc">Data structures that can appear in graph attributes. </div></div>
<div class="ttc" id="namespacemxnet_html_a536b732faa980e1de446c552460ff76aac095f52c31076adc7207f4a4f17d7aa3"><div class="ttname"><a href="namespacemxnet.html#a536b732faa980e1de446c552460ff76aac095f52c31076adc7207f4a4f17d7aa3">mxnet::kRowSparseStorage</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:64</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1csr__indptr__check_html"><div class="ttname"><a href="structmxnet_1_1common_1_1csr__indptr__check.html">mxnet::common::csr_indptr_check</a></div><div class="ttdoc">IndPtr should be non-negative, in non-decreasing order, start with 0 and end with value equal with si...</div><div class="ttdef"><b>Definition:</b> utils.h:56</div></div>
<div class="ttc" id="namespacemxnet_html_ace60510752753f459193f95cab0e9e1aa11ce5dbb8ad355e9ee5a678f2f51a5bb"><div class="ttname"><a href="namespacemxnet.html#ace60510752753f459193f95cab0e9e1aa11ce5dbb8ad355e9ee5a678f2f51a5bb">mxnet::kCSRIndPtrErr</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:71</div></div>
<div class="ttc" id="namespacemxnet_html_a850af9d76d9d4beaeb5234c1434973e3"><div class="ttname"><a href="namespacemxnet.html#a850af9d76d9d4beaeb5234c1434973e3">mxnet::cpu</a></div><div class="ttdeci">mshadow::cpu cpu</div><div class="ttdoc">mxnet cpu </div><div class="ttdef"><b>Definition:</b> base.h:129</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4_html_a0cf05a5a2f3e1ac49ebdef497701055c"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf_3_01T[]_4.html#a0cf05a5a2f3e1ac49ebdef497701055c">mxnet::common::helper::UniqueIf&lt; T[]&gt;::UnknownBound</a></div><div class="ttdeci">std::unique_ptr&lt; T[]&gt; UnknownBound</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:545</div></div>
<div class="ttc" id="namespacemxnet_html_a7cd7094ef222e9ae1f520c3b6a214398"><div class="ttname"><a href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398">mxnet::OpReqType</a></div><div class="ttdeci">OpReqType</div><div class="ttdoc">operation request type to Forward and Backward </div><div class="ttdef"><b>Definition:</b> op_attr_types.h:45</div></div>
<div class="ttc" id="namespacemxnet_html_ac2fb286fd7ddfbc7af1456f6c7a7ee52"><div class="ttname"><a href="namespacemxnet.html#ac2fb286fd7ddfbc7af1456f6c7a7ee52">mxnet::Op</a></div><div class="ttdeci">nnvm::Op Op</div><div class="ttdoc">operator structure from NNVM </div><div class="ttdef"><b>Definition:</b> base.h:139</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a6ca270747bb7ab942c61d364f14f3042"><div class="ttname"><a href="namespacemxnet_1_1common.html#a6ca270747bb7ab942c61d364f14f3042">mxnet::common::MakeUnique</a></div><div class="ttdeci">helper::UniqueIf&lt; T &gt;::KnownBound MakeUnique(Args &amp;&amp;...args)=delete</div><div class="ttdoc">Constructs an object of type T and wraps it in a std::unique_ptr. </div><div class="ttdef"><b>Definition:</b> utils.h:573</div></div>
<div class="ttc" id="structmxnet_1_1OpContext_html_a869d4c68c0028a175406f11332baf7cf"><div class="ttname"><a href="structmxnet_1_1OpContext.html#a869d4c68c0028a175406f11332baf7cf">mxnet::OpContext::run_ctx</a></div><div class="ttdeci">RunContext run_ctx</div><div class="ttdoc">RunContext related resources. </div><div class="ttdef"><b>Definition:</b> op_attr_types.h:70</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1helper_1_1UniqueIf_html_a98153aaeb43a71efa85b5cf753505cac"><div class="ttname"><a href="structmxnet_1_1common_1_1helper_1_1UniqueIf.html#a98153aaeb43a71efa85b5cf753505cac">mxnet::common::helper::UniqueIf::SingleObject</a></div><div class="ttdeci">std::unique_ptr&lt; T &gt; SingleObject</div><div class="ttdoc">Type of T. </div><div class="ttdef"><b>Definition:</b> utils.h:534</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_afd045f69bce37692fd1e8ccb0e2ab208"><div class="ttname"><a href="namespacemxnet_1_1common.html#afd045f69bce37692fd1e8ccb0e2ab208">mxnet::common::CheckFormatRSPImpl</a></div><div class="ttdeci">void CheckFormatRSPImpl(const RunContext &amp;rctx, const NDArray &amp;input, const TBlob &amp;err_cpu, const bool full_check)</div><div class="ttdoc">Check the validity of RowSparseNDArray. </div><div class="ttdef"><b>Definition:</b> utils.h:166</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_a56555edcc52c5b25bed90bd05e00b5fa"><div class="ttname"><a href="namespacemxnet_1_1common.html#a56555edcc52c5b25bed90bd05e00b5fa">mxnet::common::GetExecNumMatchColor</a></div><div class="ttdeci">int GetExecNumMatchColor()</div><div class="ttdef"><b>Definition:</b> utils.h:449</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1rsp__idx__check_html_abb5a461090d1b410d0a1da852b88ccde"><div class="ttname"><a href="structmxnet_1_1common_1_1rsp__idx__check.html#abb5a461090d1b410d0a1da852b88ccde">mxnet::common::rsp_idx_check::Map</a></div><div class="ttdeci">static MSHADOW_XINLINE void Map(int i, DType *out, const IType *idx, const nnvm::dim_t end, const nnvm::dim_t nrows)</div><div class="ttdef"><b>Definition:</b> utils.h:91</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_af2c7fe2df1babee66696d2b449e2123c"><div class="ttname"><a href="namespacemxnet_1_1common.html#af2c7fe2df1babee66696d2b449e2123c">mxnet::common::ParallelSort</a></div><div class="ttdeci">void ParallelSort(RandomIt first, RandomIt last, size_t num_threads)</div><div class="ttdoc">Sort the elements in the range [first, last) into ascending order. The elements are compared using th...</div><div class="ttdef"><b>Definition:</b> utils.h:511</div></div>
<div class="ttc" id="namespacemxnet_1_1common_html_aad719abf411ea1ed9185c3849203820f"><div class="ttname"><a href="namespacemxnet_1_1common.html#aad719abf411ea1ed9185c3849203820f">mxnet::common::LogStorageFallback</a></div><div class="ttdeci">void LogStorageFallback(const nnvm::NodeAttrs &amp;attrs, const int dev_mask, const std::vector&lt; int &gt; *in_attrs, const std::vector&lt; int &gt; *out_attrs)</div><div class="ttdoc">log storage fallback event </div><div class="ttdef"><b>Definition:</b> utils.h:423</div></div>
<div class="ttc" id="structmxnet_1_1Context_html"><div class="ttname"><a href="structmxnet_1_1Context.html">mxnet::Context</a></div><div class="ttdoc">Context information about the execution environment. </div><div class="ttdef"><b>Definition:</b> base.h:142</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1csr__idx__check_html"><div class="ttname"><a href="structmxnet_1_1common_1_1csr__idx__check.html">mxnet::common::csr_idx_check</a></div><div class="ttdoc">Indices should be non-negative, less than the number of columns and in ascending order per row...</div><div class="ttdef"><b>Definition:</b> utils.h:71</div></div>
<div class="ttc" id="classmxnet_1_1NDArray_html"><div class="ttname"><a href="classmxnet_1_1NDArray.html">mxnet::NDArray</a></div><div class="ttdoc">ndarray interface </div><div class="ttdef"><b>Definition:</b> ndarray.h:82</div></div>
<div class="ttc" id="structmxnet_1_1common_1_1csr__indptr__check_html_a5da824c75914344ce1a228fcec1265b2"><div class="ttname"><a href="structmxnet_1_1common_1_1csr__indptr__check.html#a5da824c75914344ce1a228fcec1265b2">mxnet::common::csr_indptr_check::Map</a></div><div class="ttdeci">static MSHADOW_XINLINE void Map(int i, DType *out, const IType *indptr, const nnvm::dim_t end, const nnvm::dim_t idx_size)</div><div class="ttdef"><b>Definition:</b> utils.h:58</div></div>
<div class="ttc" id="namespacemxnet_html_a6606bef15f41cccade14c9400e8447cf"><div class="ttname"><a href="namespacemxnet.html#a6606bef15f41cccade14c9400e8447cf">mxnet::StorageTypeVector</a></div><div class="ttdeci">std::vector&lt; int &gt; StorageTypeVector</div><div class="ttdoc">The result holder of storage type of each NodeEntry in the graph. </div><div class="ttdef"><b>Definition:</b> graph_attr_types.h:45</div></div>
<div class="ttc" id="classmxnet_1_1TBlob_html"><div class="ttname"><a href="classmxnet_1_1TBlob.html">mxnet::TBlob</a></div><div class="ttdoc">tensor blob class that can be used to hold tensor of any dimension, any device and any data type...</div><div class="ttdef"><b>Definition:</b> tensor_blob.h:56</div></div>
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