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| <a href="imperative_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef MXNET_IMPERATIVE_H_</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define MXNET_IMPERATIVE_H_</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="include_2mxnet_2op__attr__types_8h.html">mxnet/op_attr_types.h</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="include_2mxnet_2graph__attr__types_8h.html">mxnet/graph_attr_types.h</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="include_2mxnet_2c__api_8h.html">mxnet/c_api.h</a>></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="symbolic_8h.html">nnvm/symbolic.h</a>></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="op_8h.html">nnvm/op.h</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="graph_8h.html">nnvm/graph.h</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <atomic></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <unordered_map></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="include_2mxnet_2ndarray_8h.html">./ndarray.h</a>"</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="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6c821188baf6990fa992093cbece00ce"> 48</a></span>  <span class="keyword">enum</span> <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94e">NumpyShape</a>{<a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94eaebed4fa3c7982aa607d3e0c7b65f7375">Off</a>, <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6c821188baf6990fa992093cbece00ce">ThreadLocalOn</a>, <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6de602d5b5a661f930ace1cddfbcd5b9">GlobalOn</a>};</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html"> 50</a></span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1Imperative.html">Imperative</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html"> 53</a></span>  <span class="keyword">class </span><a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#afe2cb4d45bd32e40a86d2a49bfd20952"> 55</a></span>  <a class="code" href="structmxnet_1_1Context.html">Context</a> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#afe2cb4d45bd32e40a86d2a49bfd20952">ctx</a>;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#ad1da7fe0f83dbe5eb89770460c985a64"> 56</a></span>  <a class="code" href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398">OpReqType</a> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#ad1da7fe0f83dbe5eb89770460c985a64">grad_req</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a027a81d4864241f12ae79388efd482da"> 57</a></span>  <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a027a81d4864241f12ae79388efd482da">state</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a2ca114d69098860adc900ba5f54c4cb5"> 58</a></span>  std::vector<NDArray> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a2ca114d69098860adc900ba5f54c4cb5">outputs</a>;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a694cd90f3a43ac0014fa4913da56c499"> 59</a></span>  std::vector<NDArray> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a694cd90f3a43ac0014fa4913da56c499">out_grads</a>;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#aa98f7d65123fb64697769cfb952de310"> 60</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#aa98f7d65123fb64697769cfb952de310">fresh_out_grad</a>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a30ae688e0b9e1b9fb506db3a4a7c23fe"> 62</a></span>  <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a30ae688e0b9e1b9fb506db3a4a7c23fe">AGInfo</a>() :</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  grad_req(<a class="code" href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398a001b85096e07108e174fe4c406368a26">kNullOp</a>), fresh_out_grad(false) {}</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#adcb3d1fe4326161d1f797b5646ab05e6"> 65</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#adcb3d1fe4326161d1f797b5646ab05e6">Clear</a>(<span class="keyword">const</span> <a class="code" href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a>& node) {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (node == <span class="keyword">nullptr</span> || node->info.empty()) <span class="keywordflow">return</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a>& info = <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">Get</a>(node);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (info.<a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#ad1da7fe0f83dbe5eb89770460c985a64">grad_req</a> != <a class="code" href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398a001b85096e07108e174fe4c406368a26">kNullOp</a>) <span class="keywordflow">return</span>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  node->info.clear();</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4"> 72</a></span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a>& <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">Get</a>(<span class="keyword">const</span> <a class="code" href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a>& node) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> dmlc::get<AGInfo>(node->info);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a01bf316282c6d229f033e9d394772293"> 76</a></span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a>& <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a01bf316282c6d229f033e9d394772293">Create</a>(<span class="keyword">const</span> <a class="code" href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a>& node) {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  node->info.construct<<a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a>>();</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">Get</a>(node);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</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"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#afca370cc8b3e93f950d04df6e29f1fdc"> 81</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#afca370cc8b3e93f950d04df6e29f1fdc">IsNone</a>(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>& arr) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> arr.entry_.<a class="code" href="structnnvm_1_1NodeEntry.html#ae438981d6f9d3a890e197d917b9e1a4f">node</a> == <span class="keyword">nullptr</span> || arr.entry_.<a class="code" href="structnnvm_1_1NodeEntry.html#ae438981d6f9d3a890e197d917b9e1a4f">node</a>->info.empty();</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="l00085"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative_1_1AGInfo.html#a9cbce8aa6881a4cbc9ff736e3a3e7b35"> 85</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a9cbce8aa6881a4cbc9ff736e3a3e7b35">IsVariable</a>(<span class="keyword">const</span> <a class="code" href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a>& node) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html">AGInfo</a>& info = <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">Get</a>(node);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> info.<a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#ad1da7fe0f83dbe5eb89770460c985a64">grad_req</a> != <a class="code" href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398a001b85096e07108e174fe4c406368a26">kNullOp</a> && info.<a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a2ca114d69098860adc900ba5f54c4cb5">outputs</a>.size() == 1</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  && info.<a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a694cd90f3a43ac0014fa4913da56c499">out_grads</a>.size() == 1;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  };</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#af6024ec51f5fcd73935994f7b43f62ef"> 92</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#af6024ec51f5fcd73935994f7b43f62ef">is_training</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> is_train_;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#a2c1495dbdc4439fd534307fa981b77f0"> 96</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#a2c1495dbdc4439fd534307fa981b77f0">set_is_training</a>(<span class="keywordtype">bool</span> is_train) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">bool</span> old = is_train_;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  is_train_ = is_train;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> old;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#acbbd0eafd83cd96a40cce3d01147b1a3"> 102</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#acbbd0eafd83cd96a40cce3d01147b1a3">is_recording</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> is_recording_;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#abc9227372b3d4f4b5ec8ed33ba6e68ad"> 106</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#abc9227372b3d4f4b5ec8ed33ba6e68ad">set_is_recording</a>(<span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#acbbd0eafd83cd96a40cce3d01147b1a3">is_recording</a>) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> old = is_recording_;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  is_recording_ = <a class="code" href="classmxnet_1_1Imperative.html#acbbd0eafd83cd96a40cce3d01147b1a3">is_recording</a>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> old;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7"> 114</a></span>  <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7">is_np_shape</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (is_np_shape_global_) {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> 2;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> is_np_shape_thread_local_ ? 1 : 0;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#a63ff2923f4b9daa8c35d1a683d17949f"> 123</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#a63ff2923f4b9daa8c35d1a683d17949f">is_np_default_dtype</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (is_np_default_dtype_global_) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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> </div><div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#afc403b976f76aae9dcfc3790d9190832"> 131</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#afc403b976f76aae9dcfc3790d9190832">set_is_np_shape</a>(<span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7">is_np_shape</a>) {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94e">NumpyShape</a> flag = <span class="keyword">static_cast<</span><a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94e">NumpyShape</a><span class="keyword">></span>(<a class="code" href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7">is_np_shape</a>);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">bool</span> old = this-><a class="code" href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7">is_np_shape</a>();</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">switch</span> (flag) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6de602d5b5a661f930ace1cddfbcd5b9">GlobalOn</a>:</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  is_np_shape_global_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  is_np_shape_thread_local_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6c821188baf6990fa992093cbece00ce">ThreadLocalOn</a>:</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  is_np_shape_thread_local_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">case</span> <a class="code" href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94eaebed4fa3c7982aa607d3e0c7b65f7375">Off</a>:</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  is_np_shape_global_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  is_np_shape_thread_local_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span> old;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Imperative.html#a6a5049338d4099646f226dc0f7581fd6">RecordOp</a>(<a class="code" href="structnnvm_1_1NodeAttrs.html">nnvm::NodeAttrs</a>&& attrs,</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> std::vector<NDArray*>& inputs,</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> std::vector<NDArray*>& <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a2ca114d69098860adc900ba5f54c4cb5">outputs</a>,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a>& <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a027a81d4864241f12ae79388efd482da">state</a> = <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a>(),</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  std::vector<bool>* p_save_inputs = <span class="keyword">nullptr</span>,</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::vector<bool>* p_save_outputs = <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a> <a class="code" href="classmxnet_1_1Imperative.html#a34590f2f00e376c5ae639f6c2ce8cbac">Invoke</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>& default_ctx,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">const</span> <a class="code" href="structnnvm_1_1NodeAttrs.html">nnvm::NodeAttrs</a>& attrs,</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> std::vector<NDArray*>& inputs,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> std::vector<NDArray*>& outputs);</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a> <a class="code" href="classmxnet_1_1Imperative.html#a5bac6cd4fa515ed9f87c548e4695fad6">InvokeOp</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>& <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#afe2cb4d45bd32e40a86d2a49bfd20952">ctx</a>,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">const</span> <a class="code" href="structnnvm_1_1NodeAttrs.html">nnvm::NodeAttrs</a>& attrs,</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> std::vector<NDArray*>& inputs,</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> std::vector<NDArray*>& outputs,</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> std::vector<OpReqType>& req,</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <a class="code" href="namespacemxnet.html#aad5fec2b4bceabbf4b884460cc2e0a2b">DispatchMode</a> dispatch_mode,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a> <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a027a81d4864241f12ae79388efd482da">state</a> = <a class="code" href="classmxnet_1_1OpStatePtr.html">OpStatePtr</a>());</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Imperative.html#a2980bfd35324c33b209ad80fc8bc9b7c">MarkVariables</a>(<span class="keyword">const</span> std::vector<NDArray*>& variables,</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> std::vector<uint32_t>& grad_reqs,</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> std::vector<NDArray*>& gradients);</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  std::vector<NDArray*> <a class="code" href="classmxnet_1_1Imperative.html#a9d0c9270045476391b61c8ca3762e552">Backward</a>(<span class="keyword">const</span> std::vector<NDArray*>& outputs,</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> std::vector<NDArray*>& ograds,</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> std::vector<NDArray*>& variables,</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">bool</span> is_train, <span class="keywordtype">bool</span> retain_graph,</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">bool</span> create_graph);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1Imperative.html">Imperative</a>* <a class="code" href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">Get</a>();</div><div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#a0b5c5c6c9e7288156a7c633cb5433900"> 182</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#a0b5c5c6c9e7288156a7c633cb5433900">PreferBulkExecInference</a>() {</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_INFERENCE"</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div><div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#a99b8ef35060523298e8e7e969d829920"> 186</a></span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classmxnet_1_1Imperative.html#a99b8ef35060523298e8e7e969d829920">PreferBulkExecTrain</a>() {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_TRAIN"</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#af19dbcd37d7adf9d205b9c2efdb84b6b"> 190</a></span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1Imperative.html#af19dbcd37d7adf9d205b9c2efdb84b6b">BulkExecMaxNodeTrainFwd</a>() {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_MAX_NODE_TRAIN_FWD"</span>,</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_MAX_NODE_TRAIN"</span>, 15));</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div><div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#a482d9ab2ab7d969c55f7c13797a662a0"> 195</a></span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1Imperative.html#a482d9ab2ab7d969c55f7c13797a662a0">BulkExecMaxNodeTrainBwd</a>() {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">return</span> dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_MAX_NODE_TRAIN_BWD"</span>,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  dmlc::GetEnv(<span class="stringliteral">"MXNET_EXEC_BULK_EXEC_MAX_NODE_TRAIN"</span>, 15));</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classmxnet_1_1Imperative.html#ad41557e205cf8f4d6ef70b60587c37cb"> 201</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1NDArray.html">NDArray</a>;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="classmxnet_1_1Imperative.html">Imperative</a>() {</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (<a class="code" href="classmxnet_1_1Imperative.html#a99b8ef35060523298e8e7e969d829920">PreferBulkExecTrain</a>())</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  backward_bulk_size_ = <a class="code" href="classmxnet_1_1Imperative.html#a482d9ab2ab7d969c55f7c13797a662a0">BulkExecMaxNodeTrainBwd</a>();</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">void</span> GetBackwardDependency(</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">const</span> <a class="code" href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a>& node,</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  uint32_t num_inputs, uint32_t num_outputs,</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  std::vector<bool> *p_save_inputs,</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  std::vector<bool> *p_save_outputs);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#if DMLC_CXX11_THREAD_LOCAL</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">static</span> thread_local <span class="keywordtype">bool</span> is_train_;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">static</span> thread_local <span class="keywordtype">bool</span> is_recording_;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// TOOD(junwu): Added numpy compatibility switch for backward compatibility.</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// Delete it in the next major release.</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">static</span> thread_local <span class="keywordtype">bool</span> is_np_shape_thread_local_;</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">static</span> MX_THREAD_LOCAL <span class="keywordtype">bool</span> is_train_;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">static</span> MX_THREAD_LOCAL <span class="keywordtype">bool</span> is_recording_;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// TOOD(junwu): Added numpy compatibility switch for backward compatibility.</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// Delete it in the next major release.</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">static</span> MX_THREAD_LOCAL <span class="keywordtype">bool</span> is_np_shape_thread_local_;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">bool</span> is_np_shape_global_{<span class="keyword">false</span>};</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">bool</span> is_np_default_dtype_global_{<span class="keyword">false</span>};</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  std::atomic<uint64_t> node_count_{0};</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  std::atomic<uint64_t> variable_count_{0};</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">int</span> backward_bulk_size_{0};</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> };</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> } <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#endif // MXNET_IMPERATIVE_H_</span></div><div class="ttc" id="namespacemxnet_html_a2a487cb76fa5483d32c5d87ca448e94ea6c821188baf6990fa992093cbece00ce"><div class="ttname"><a href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6c821188baf6990fa992093cbece00ce">mxnet::ThreadLocalOn</a></div><div class="ttdef"><b>Definition:</b> imperative.h:48</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_af65cc2bc2b45b328d99ba443211b8be7"><div class="ttname"><a href="classmxnet_1_1Imperative.html#af65cc2bc2b45b328d99ba443211b8be7">mxnet::Imperative::is_np_shape</a></div><div class="ttdeci">int is_np_shape() const</div><div class="ttdoc">return current numpy compatibility status, GlobalOn(2), ThreadLocalOn(1), Off(0). ...</div><div class="ttdef"><b>Definition:</b> imperative.h:114</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_afca370cc8b3e93f950d04df6e29f1fdc"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#afca370cc8b3e93f950d04df6e29f1fdc">mxnet::Imperative::AGInfo::IsNone</a></div><div class="ttdeci">static bool IsNone(const NDArray &arr)</div><div class="ttdef"><b>Definition:</b> imperative.h:81</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_af19dbcd37d7adf9d205b9c2efdb84b6b"><div class="ttname"><a href="classmxnet_1_1Imperative.html#af19dbcd37d7adf9d205b9c2efdb84b6b">mxnet::Imperative::BulkExecMaxNodeTrainFwd</a></div><div class="ttdeci">static int BulkExecMaxNodeTrainFwd()</div><div class="ttdoc">The max number of op nodes in a bulk during forward pass of training. </div><div class="ttdef"><b>Definition:</b> imperative.h:190</div></div> |
| <div class="ttc" id="namespacemxnet_html_a2a487cb76fa5483d32c5d87ca448e94eaebed4fa3c7982aa607d3e0c7b65f7375"><div class="ttname"><a href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94eaebed4fa3c7982aa607d3e0c7b65f7375">mxnet::Off</a></div><div class="ttdef"><b>Definition:</b> imperative.h:48</div></div> |
| <div class="ttc" id="namespacemxnet_html_a7cd7094ef222e9ae1f520c3b6a214398a001b85096e07108e174fe4c406368a26"><div class="ttname"><a href="namespacemxnet.html#a7cd7094ef222e9ae1f520c3b6a214398a001b85096e07108e174fe4c406368a26">mxnet::kNullOp</a></div><div class="ttdoc">no operation, do not write anything </div><div class="ttdef"><b>Definition:</b> op_attr_types.h:47</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a2c1495dbdc4439fd534307fa981b77f0"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a2c1495dbdc4439fd534307fa981b77f0">mxnet::Imperative::set_is_training</a></div><div class="ttdeci">bool set_is_training(bool is_train)</div><div class="ttdoc">turn on or turn off operator recording for autograd. </div><div class="ttdef"><b>Definition:</b> imperative.h:96</div></div> |
| <div class="ttc" id="structnnvm_1_1NodeAttrs_html"><div class="ttname"><a href="structnnvm_1_1NodeAttrs.html">nnvm::NodeAttrs</a></div><div class="ttdoc">The attributes of the current operation node. Usually are additional parameters like axis...</div><div class="ttdef"><b>Definition:</b> node.h:119</div></div> |
| <div class="ttc" id="namespacemxnet_html"><div class="ttname"><a href="namespacemxnet.html">mxnet</a></div><div class="ttdoc">namespace of mxnet </div><div class="ttdef"><b>Definition:</b> api_registry.h:33</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a34590f2f00e376c5ae639f6c2ce8cbac"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a34590f2f00e376c5ae639f6c2ce8cbac">mxnet::Imperative::Invoke</a></div><div class="ttdeci">OpStatePtr Invoke(const Context &default_ctx, const nnvm::NodeAttrs &attrs, const std::vector< NDArray *> &inputs, const std::vector< NDArray *> &outputs)</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a6a5049338d4099646f226dc0f7581fd6"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a6a5049338d4099646f226dc0f7581fd6">mxnet::Imperative::RecordOp</a></div><div class="ttdeci">void RecordOp(nnvm::NodeAttrs &&attrs, const std::vector< NDArray *> &inputs, const std::vector< NDArray *> &outputs, const OpStatePtr &state=OpStatePtr(), std::vector< bool > *p_save_inputs=nullptr, std::vector< bool > *p_save_outputs=nullptr)</div><div class="ttdoc">to record operator, return corresponding node. </div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a30ae688e0b9e1b9fb506db3a4a7c23fe"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a30ae688e0b9e1b9fb506db3a4a7c23fe">mxnet::Imperative::AGInfo::AGInfo</a></div><div class="ttdeci">AGInfo()</div><div class="ttdef"><b>Definition:</b> imperative.h:62</div></div> |
| <div class="ttc" id="structnnvm_1_1NodeEntry_html_ae438981d6f9d3a890e197d917b9e1a4f"><div class="ttname"><a href="structnnvm_1_1NodeEntry.html#ae438981d6f9d3a890e197d917b9e1a4f">nnvm::NodeEntry::node</a></div><div class="ttdeci">ObjectPtr node</div><div class="ttdoc">the source node of this data </div><div class="ttdef"><b>Definition:</b> node.h:75</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:122</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a2ca114d69098860adc900ba5f54c4cb5"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a2ca114d69098860adc900ba5f54c4cb5">mxnet::Imperative::AGInfo::outputs</a></div><div class="ttdeci">std::vector< NDArray > outputs</div><div class="ttdef"><b>Definition:</b> imperative.h:58</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html">mxnet::Imperative::AGInfo</a></div><div class="ttdef"><b>Definition:</b> imperative.h:53</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_abc9227372b3d4f4b5ec8ed33ba6e68ad"><div class="ttname"><a href="classmxnet_1_1Imperative.html#abc9227372b3d4f4b5ec8ed33ba6e68ad">mxnet::Imperative::set_is_recording</a></div><div class="ttdeci">bool set_is_recording(bool is_recording)</div><div class="ttdoc">turn on or turn off operator recording for autograd. </div><div class="ttdef"><b>Definition:</b> imperative.h:106</div></div> |
| <div class="ttc" id="include_2mxnet_2c__api_8h_html"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html">c_api.h</a></div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a2980bfd35324c33b209ad80fc8bc9b7c"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a2980bfd35324c33b209ad80fc8bc9b7c">mxnet::Imperative::MarkVariables</a></div><div class="ttdeci">void MarkVariables(const std::vector< NDArray *> &variables, const std::vector< uint32_t > &grad_reqs, const std::vector< NDArray *> &gradients)</div><div class="ttdoc">mark variables for computing gradients. </div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a5bac6cd4fa515ed9f87c548e4695fad6"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a5bac6cd4fa515ed9f87c548e4695fad6">mxnet::Imperative::InvokeOp</a></div><div class="ttdeci">OpStatePtr InvokeOp(const Context &ctx, const nnvm::NodeAttrs &attrs, const std::vector< NDArray *> &inputs, const std::vector< NDArray *> &outputs, const std::vector< OpReqType > &req, const DispatchMode dispatch_mode, OpStatePtr state=OpStatePtr())</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_aa98f7d65123fb64697769cfb952de310"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#aa98f7d65123fb64697769cfb952de310">mxnet::Imperative::AGInfo::fresh_out_grad</a></div><div class="ttdeci">bool fresh_out_grad</div><div class="ttdef"><b>Definition:</b> imperative.h:60</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a027a81d4864241f12ae79388efd482da"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a027a81d4864241f12ae79388efd482da">mxnet::Imperative::AGInfo::state</a></div><div class="ttdeci">OpStatePtr state</div><div class="ttdef"><b>Definition:</b> imperative.h:57</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a63ff2923f4b9daa8c35d1a683d17949f"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a63ff2923f4b9daa8c35d1a683d17949f">mxnet::Imperative::is_np_default_dtype</a></div><div class="ttdeci">bool is_np_default_dtype() const</div><div class="ttdoc">return current numpy default dtype compatibility status. </div><div class="ttdef"><b>Definition:</b> imperative.h:123</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_acbbd0eafd83cd96a40cce3d01147b1a3"><div class="ttname"><a href="classmxnet_1_1Imperative.html#acbbd0eafd83cd96a40cce3d01147b1a3">mxnet::Imperative::is_recording</a></div><div class="ttdeci">bool is_recording() const</div><div class="ttdoc">whether operator recording is on. </div><div class="ttdef"><b>Definition:</b> imperative.h:102</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a694cd90f3a43ac0014fa4913da56c499"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a694cd90f3a43ac0014fa4913da56c499">mxnet::Imperative::AGInfo::out_grads</a></div><div class="ttdeci">std::vector< NDArray > out_grads</div><div class="ttdef"><b>Definition:</b> imperative.h:59</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a9d0c9270045476391b61c8ca3762e552"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a9d0c9270045476391b61c8ca3762e552">mxnet::Imperative::Backward</a></div><div class="ttdeci">std::vector< NDArray * > Backward(const std::vector< NDArray *> &outputs, const std::vector< NDArray *> &ograds, const std::vector< NDArray *> &variables, bool is_train, bool retain_graph, bool create_graph)</div><div class="ttdoc">compute the gradient of outputs w.r.t variables. </div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_ad1da7fe0f83dbe5eb89770460c985a64"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#ad1da7fe0f83dbe5eb89770460c985a64">mxnet::Imperative::AGInfo::grad_req</a></div><div class="ttdeci">OpReqType grad_req</div><div class="ttdef"><b>Definition:</b> imperative.h:56</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_afe2cb4d45bd32e40a86d2a49bfd20952"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#afe2cb4d45bd32e40a86d2a49bfd20952">mxnet::Imperative::AGInfo::ctx</a></div><div class="ttdeci">Context ctx</div><div class="ttdef"><b>Definition:</b> imperative.h:55</div></div> |
| <div class="ttc" id="graph_8h_html"><div class="ttname"><a href="graph_8h.html">graph.h</a></div><div class="ttdoc">Configuation of nnvm as well as basic data structure. </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="classmxnet_1_1Imperative_html_af6024ec51f5fcd73935994f7b43f62ef"><div class="ttname"><a href="classmxnet_1_1Imperative.html#af6024ec51f5fcd73935994f7b43f62ef">mxnet::Imperative::is_training</a></div><div class="ttdeci">bool is_training() const</div><div class="ttdoc">whether operator recording is on. </div><div class="ttdef"><b>Definition:</b> imperative.h:92</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html"><div class="ttname"><a href="classmxnet_1_1Imperative.html">mxnet::Imperative</a></div><div class="ttdoc">runtime functions for NDArray </div><div class="ttdef"><b>Definition:</b> imperative.h:50</div></div> |
| <div class="ttc" id="namespacemxnet_html_a2a487cb76fa5483d32c5d87ca448e94ea6de602d5b5a661f930ace1cddfbcd5b9"><div class="ttname"><a href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94ea6de602d5b5a661f930ace1cddfbcd5b9">mxnet::GlobalOn</a></div><div class="ttdef"><b>Definition:</b> imperative.h:48</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a01bf316282c6d229f033e9d394772293"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a01bf316282c6d229f033e9d394772293">mxnet::Imperative::AGInfo::Create</a></div><div class="ttdeci">static AGInfo & Create(const nnvm::ObjectPtr &node)</div><div class="ttdef"><b>Definition:</b> imperative.h:76</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a9cbce8aa6881a4cbc9ff736e3a3e7b35"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a9cbce8aa6881a4cbc9ff736e3a3e7b35">mxnet::Imperative::AGInfo::IsVariable</a></div><div class="ttdeci">static bool IsVariable(const nnvm::ObjectPtr &node)</div><div class="ttdef"><b>Definition:</b> imperative.h:85</div></div> |
| <div class="ttc" id="op_8h_html"><div class="ttname"><a href="op_8h.html">op.h</a></div><div class="ttdoc">Operator information structor. </div></div> |
| <div class="ttc" id="include_2mxnet_2graph__attr__types_8h_html"><div class="ttname"><a href="include_2mxnet_2graph__attr__types_8h.html">graph_attr_types.h</a></div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a99b8ef35060523298e8e7e969d829920"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a99b8ef35060523298e8e7e969d829920">mxnet::Imperative::PreferBulkExecTrain</a></div><div class="ttdeci">static bool PreferBulkExecTrain()</div><div class="ttdoc">Should op execution bulking be employed during training. </div><div class="ttdef"><b>Definition:</b> imperative.h:186</div></div> |
| <div class="ttc" id="symbolic_8h_html"><div class="ttname"><a href="symbolic_8h.html">symbolic.h</a></div><div class="ttdoc">Symbolic graph construction API. </div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a482d9ab2ab7d969c55f7c13797a662a0"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a482d9ab2ab7d969c55f7c13797a662a0">mxnet::Imperative::BulkExecMaxNodeTrainBwd</a></div><div class="ttdeci">static int BulkExecMaxNodeTrainBwd()</div><div class="ttdoc">The max number of op nodes in a bulk during backward pass of training. </div><div class="ttdef"><b>Definition:</b> imperative.h:195</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_afc403b976f76aae9dcfc3790d9190832"><div class="ttname"><a href="classmxnet_1_1Imperative.html#afc403b976f76aae9dcfc3790d9190832">mxnet::Imperative::set_is_np_shape</a></div><div class="ttdeci">bool set_is_np_shape(int is_np_shape)</div><div class="ttdoc">specify numpy compatibility off, thread local on or global on. </div><div class="ttdef"><b>Definition:</b> imperative.h:131</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_html_a0b5c5c6c9e7288156a7c633cb5433900"><div class="ttname"><a href="classmxnet_1_1Imperative.html#a0b5c5c6c9e7288156a7c633cb5433900">mxnet::Imperative::PreferBulkExecInference</a></div><div class="ttdeci">static bool PreferBulkExecInference()</div><div class="ttdoc">Should op execution bulking be employed during inference. </div><div class="ttdef"><b>Definition:</b> imperative.h:182</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:101</div></div> |
| <div class="ttc" id="include_2mxnet_2ndarray_8h_html"><div class="ttname"><a href="include_2mxnet_2ndarray_8h.html">ndarray.h</a></div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_adcb3d1fe4326161d1f797b5646ab05e6"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#adcb3d1fe4326161d1f797b5646ab05e6">mxnet::Imperative::AGInfo::Clear</a></div><div class="ttdeci">static void Clear(const nnvm::ObjectPtr &node)</div><div class="ttdef"><b>Definition:</b> imperative.h:65</div></div> |
| <div class="ttc" id="classmxnet_1_1Imperative_1_1AGInfo_html_a42f1896f9cf21cfc6192b6db200ba2c4"><div class="ttname"><a href="classmxnet_1_1Imperative_1_1AGInfo.html#a42f1896f9cf21cfc6192b6db200ba2c4">mxnet::Imperative::AGInfo::Get</a></div><div class="ttdeci">static AGInfo & Get(const nnvm::ObjectPtr &node)</div><div class="ttdef"><b>Definition:</b> imperative.h:72</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:81</div></div> |
| <div class="ttc" id="namespacemxnet_html_a2a487cb76fa5483d32c5d87ca448e94e"><div class="ttname"><a href="namespacemxnet.html#a2a487cb76fa5483d32c5d87ca448e94e">mxnet::NumpyShape</a></div><div class="ttdeci">NumpyShape</div><div class="ttdoc">there are three numpy shape flags based on priority. GlobalOn turn on numpy shape flag globally...</div><div class="ttdef"><b>Definition:</b> imperative.h:48</div></div> |
| <div class="ttc" id="namespacennvm_html_a573897937ff3b88f0014feabb8e44a92"><div class="ttname"><a href="namespacennvm.html#a573897937ff3b88f0014feabb8e44a92">nnvm::ObjectPtr</a></div><div class="ttdeci">std::shared_ptr< Node > ObjectPtr</div><div class="ttdoc">we always used ObjectPtr for a reference pointer to the node, so this alias can be changed in case...</div><div class="ttdef"><b>Definition:</b> node.h:48</div></div> |
| <div class="ttc" id="classmxnet_1_1OpStatePtr_html"><div class="ttname"><a href="classmxnet_1_1OpStatePtr.html">mxnet::OpStatePtr</a></div><div class="ttdoc">Operator state. This is a pointer type, its content is mutable even if OpStatePtr is const...</div><div class="ttdef"><b>Definition:</b> op_attr_types.h:148</div></div> |
| <div class="ttc" id="include_2mxnet_2op__attr__types_8h_html"><div class="ttname"><a href="include_2mxnet_2op__attr__types_8h.html">op_attr_types.h</a></div></div> |
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