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| <div class="title">executor.h</div> </div> |
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| <div class="contents"> |
| <a href="executor_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> </div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef MXNET_EXECUTOR_H_</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define MXNET_EXECUTOR_H_</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <dmlc/base.h></span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <map></span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string></span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <utility></span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="base_8h.html">./base.h</a>"</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="c__api_8h.html">./c_api.h</a>"</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="ndarray_8h.html">./ndarray.h</a>"</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="operator_8h.html">./operator.h</a>"</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// check c++11</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if DMLC_USE_CXX11 == 0</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#error "CXX11 was required for symbolic module"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>mxnet {</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">using</span> nnvm::Symbol;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classmxnet_1_1Executor.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classmxnet_1_1Executor.html">Executor</a> {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classmxnet_1_1Executor.html#adf445ff665c954061889d6bbee3c1c2a"> 37</a></span>  <span class="keyword">virtual</span> <a class="code" href="classmxnet_1_1Executor.html#adf445ff665c954061889d6bbee3c1c2a">~Executor</a>() {}</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Executor.html#ab3716be8e6c265b091e618f46eeb6f9b">Forward</a>(<span class="keywordtype">bool</span> is_train) = 0;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Executor.html#a3e261d44065848e434c527000d4390c8">PartialForward</a>(<span class="keywordtype">bool</span> is_train, <span class="keywordtype">int</span> step, <span class="keywordtype">int</span> *step_left) = 0;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Executor.html#a15157351d5770c4e5e7e652b2a0e2cbd">Backward</a>(<span class="keyword">const</span> std::vector<NDArray> &head_grads) = 0;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classmxnet_1_1Executor.html#a3803afcb87e4c69940c8d3d88a03e6ee"> 66</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Executor.html#a3803afcb87e4c69940c8d3d88a03e6ee">Print</a>(std::ostream &os)<span class="keyword"> const </span>{} <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keyword">const</span> std::vector<NDArray> &<a class="code" href="classmxnet_1_1Executor.html#a16d0f1ab276e32242685702aa10b9a3d">outputs</a>() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> std::unordered_map<std::string, NDArray>& <a class="code" href="classmxnet_1_1Executor.html#a07a3e917596ed08718ee2859283c2476">in_arg_map</a>() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> std::unordered_map<std::string, NDArray>& <a class="code" href="classmxnet_1_1Executor.html#a84552a918a65633678f30c00a2a0ae7f">arg_grad_map</a>() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">virtual</span> <span class="keyword">const</span> std::unordered_map<std::string, NDArray>& <a class="code" href="classmxnet_1_1Executor.html#a0a38a98fc4dcddc4205b5980ee7bdc4b">aux_state_map</a>() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1Executor.html">Executor</a> *<a class="code" href="classmxnet_1_1Executor.html#a8217aa9fbdd99d107bd836872d7d9692">Bind</a>(nnvm::Symbol symbol,</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>& default_ctx,</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">const</span> std::map<std::string, Context>& group2ctx,</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> std::vector<NDArray> &in_args,</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">const</span> std::vector<NDArray> &arg_grad_store,</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> std::vector<OpReqType> &grad_req_type,</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> std::vector<NDArray> &aux_states,</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classmxnet_1_1Executor.html">Executor</a>* shared_exec = NULL);</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">static</span> <a class="code" href="classmxnet_1_1Executor.html">Executor</a>* <a class="code" href="classmxnet_1_1Executor.html#ae1a319bca5e26ef58057f8410f46e484">SimpleBind</a>(nnvm::Symbol symbol,</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> <a class="code" href="structmxnet_1_1Context.html">Context</a>& default_ctx,</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">const</span> std::map<std::string, Context>& group2ctx,</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> std::vector<Context>& in_arg_ctxes,</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::vector<Context>& arg_grad_ctxes,</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::vector<Context>& aux_state_ctxes,</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> std::unordered_map<std::string, TShape>& arg_shape_map,</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> std::unordered_map<std::string, int>& arg_dtype_map,</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> std::vector<OpReqType>& grad_req_types,</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> std::unordered_set<std::string>& param_names,</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<NDArray>* in_args,</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::vector<NDArray>* arg_grads,</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::vector<NDArray>* aux_states,</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::unordered_map<std::string, NDArray>*</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  shared_data_arrays = <span class="keyword">nullptr</span>,</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classmxnet_1_1Executor.html">Executor</a>* shared_exec = <span class="keyword">nullptr</span>);</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classmxnet_1_1Executor.html#a5684c74daafc9b80681cde6a9b7b4587"> 129</a></span>  <span class="keyword">typedef</span> std::function<void(const char*, void*)> <a class="code" href="classmxnet_1_1Executor.html#a5684c74daafc9b80681cde6a9b7b4587">MonitorCallback</a>;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classmxnet_1_1Executor.html#a3c701dda22a9c1e474d23b11edda9b0d"> 133</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1Executor.html#a3c701dda22a9c1e474d23b11edda9b0d">SetMonitorCallback</a>(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1Executor.html#a5684c74daafc9b80681cde6a9b7b4587">MonitorCallback</a>& callback) {}</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }; <span class="comment">// class executor</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> } <span class="comment">// namespace mxnet</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#endif // MXNET_EXECUTOR_H_</span></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html"><div class="ttname"><a href="classmxnet_1_1Executor.html">mxnet::Executor</a></div><div class="ttdoc">Executor of a computation graph. Executor can be created by Binding a symbol. </div><div class="ttdef"><b>Definition:</b> executor.h:34</div></div> |
| <div class="ttc" id="c__api_8h_html"><div class="ttname"><a href="c__api_8h.html">c_api.h</a></div><div class="ttdoc">C API of mxnet. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_adf445ff665c954061889d6bbee3c1c2a"><div class="ttname"><a href="classmxnet_1_1Executor.html#adf445ff665c954061889d6bbee3c1c2a">mxnet::Executor::~Executor</a></div><div class="ttdeci">virtual ~Executor()</div><div class="ttdoc">destructor </div><div class="ttdef"><b>Definition:</b> executor.h:37</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a5684c74daafc9b80681cde6a9b7b4587"><div class="ttname"><a href="classmxnet_1_1Executor.html#a5684c74daafc9b80681cde6a9b7b4587">mxnet::Executor::MonitorCallback</a></div><div class="ttdeci">std::function< void(const char *, void *)> MonitorCallback</div><div class="ttdoc">the prototype of user-defined monitor callback </div><div class="ttdef"><b>Definition:</b> executor.h:129</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a8217aa9fbdd99d107bd836872d7d9692"><div class="ttname"><a href="classmxnet_1_1Executor.html#a8217aa9fbdd99d107bd836872d7d9692">mxnet::Executor::Bind</a></div><div class="ttdeci">static Executor * Bind(nnvm::Symbol symbol, const Context &default_ctx, const std::map< std::string, Context > &group2ctx, const std::vector< NDArray > &in_args, const std::vector< NDArray > &arg_grad_store, const std::vector< OpReqType > &grad_req_type, const std::vector< NDArray > &aux_states, Executor *shared_exec=NULL)</div><div class="ttdoc">Create an operator by bind symbol with context and arguments. If user do not want to compute the grad...</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a3803afcb87e4c69940c8d3d88a03e6ee"><div class="ttname"><a href="classmxnet_1_1Executor.html#a3803afcb87e4c69940c8d3d88a03e6ee">mxnet::Executor::Print</a></div><div class="ttdeci">virtual void Print(std::ostream &os) const </div><div class="ttdoc">print the execution plan info to output stream. </div><div class="ttdef"><b>Definition:</b> executor.h:66</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a07a3e917596ed08718ee2859283c2476"><div class="ttname"><a href="classmxnet_1_1Executor.html#a07a3e917596ed08718ee2859283c2476">mxnet::Executor::in_arg_map</a></div><div class="ttdeci">virtual const std::unordered_map< std::string, NDArray > & in_arg_map() const =0</div><div class="ttdoc">get input argument map, key is arg name, value is arg's NDArray. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a16d0f1ab276e32242685702aa10b9a3d"><div class="ttname"><a href="classmxnet_1_1Executor.html#a16d0f1ab276e32242685702aa10b9a3d">mxnet::Executor::outputs</a></div><div class="ttdeci">virtual const std::vector< NDArray > & outputs() const =0</div><div class="ttdoc">get array of outputs in the executor. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a3c701dda22a9c1e474d23b11edda9b0d"><div class="ttname"><a href="classmxnet_1_1Executor.html#a3c701dda22a9c1e474d23b11edda9b0d">mxnet::Executor::SetMonitorCallback</a></div><div class="ttdeci">virtual void SetMonitorCallback(const MonitorCallback &callback)</div><div class="ttdoc">Install a callback to notify the completion of operation. </div><div class="ttdef"><b>Definition:</b> executor.h:133</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="classmxnet_1_1Executor_html_ab3716be8e6c265b091e618f46eeb6f9b"><div class="ttname"><a href="classmxnet_1_1Executor.html#ab3716be8e6c265b091e618f46eeb6f9b">mxnet::Executor::Forward</a></div><div class="ttdeci">virtual void Forward(bool is_train)=0</div><div class="ttdoc">Perform a Forward operation of Operator After this operation, user can get the result by using functi...</div></div> |
| <div class="ttc" id="operator_8h_html"><div class="ttname"><a href="operator_8h.html">operator.h</a></div><div class="ttdoc">Operator interface of mxnet. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a3e261d44065848e434c527000d4390c8"><div class="ttname"><a href="classmxnet_1_1Executor.html#a3e261d44065848e434c527000d4390c8">mxnet::Executor::PartialForward</a></div><div class="ttdeci">virtual void PartialForward(bool is_train, int step, int *step_left)=0</div><div class="ttdoc">Perform a Partial Forward operation of Operator. Only issue operation specified by step...</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_ae1a319bca5e26ef58057f8410f46e484"><div class="ttname"><a href="classmxnet_1_1Executor.html#ae1a319bca5e26ef58057f8410f46e484">mxnet::Executor::SimpleBind</a></div><div class="ttdeci">static Executor * SimpleBind(nnvm::Symbol symbol, const Context &default_ctx, const std::map< std::string, Context > &group2ctx, const std::vector< Context > &in_arg_ctxes, const std::vector< Context > &arg_grad_ctxes, const std::vector< Context > &aux_state_ctxes, const std::unordered_map< std::string, TShape > &arg_shape_map, const std::unordered_map< std::string, int > &arg_dtype_map, const std::vector< OpReqType > &grad_req_types, const std::unordered_set< std::string > &param_names, std::vector< NDArray > *in_args, std::vector< NDArray > *arg_grads, std::vector< NDArray > *aux_states, std::unordered_map< std::string, NDArray > *shared_data_arrays=nullptr, Executor *shared_exec=nullptr)</div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a15157351d5770c4e5e7e652b2a0e2cbd"><div class="ttname"><a href="classmxnet_1_1Executor.html#a15157351d5770c4e5e7e652b2a0e2cbd">mxnet::Executor::Backward</a></div><div class="ttdeci">virtual void Backward(const std::vector< NDArray > &head_grads)=0</div><div class="ttdoc">Perform a Backward operation of the Operator. This must be called after Forward. After this operation...</div></div> |
| <div class="ttc" id="base_8h_html"><div class="ttname"><a href="base_8h.html">base.h</a></div><div class="ttdoc">configuation of mxnet as well as basic data structure. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a84552a918a65633678f30c00a2a0ae7f"><div class="ttname"><a href="classmxnet_1_1Executor.html#a84552a918a65633678f30c00a2a0ae7f">mxnet::Executor::arg_grad_map</a></div><div class="ttdeci">virtual const std::unordered_map< std::string, NDArray > & arg_grad_map() const =0</div><div class="ttdoc">get input argument graident map, key is arg name, value is gradient's NDArray. </div></div> |
| <div class="ttc" id="classmxnet_1_1Executor_html_a0a38a98fc4dcddc4205b5980ee7bdc4b"><div class="ttname"><a href="classmxnet_1_1Executor.html#a0a38a98fc4dcddc4205b5980ee7bdc4b">mxnet::Executor::aux_state_map</a></div><div class="ttdeci">virtual const std::unordered_map< std::string, NDArray > & aux_state_map() const =0</div><div class="ttdoc">get aux state map, key is arg name, value is aux state's NDArray. </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:116</div></div> |
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