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<a href="contrib_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>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<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>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<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>&#160;<span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifndef MXNET_CPP_CONTRIB_H_</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#define MXNET_CPP_CONTRIB_H_</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="symbol_8h.html">mxnet-cpp/symbol.h</a>&quot;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">namespace </span>cpp {</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp_1_1details.html"> 36</a></span>&#160;<span class="keyword">namespace </span>details {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp_1_1details.html#aea21acc3704644c4cde9ad2625fe3cea"> 44</a></span>&#160; <span class="keyword">inline</span> std::vector&lt;std::string&gt; <a class="code" href="namespacemxnet_1_1cpp_1_1details.html#aea21acc3704644c4cde9ad2625fe3cea">split</a>(<span class="keyword">const</span> std::string&amp; str, <span class="keyword">const</span> std::string&amp; delimiter) {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; std::vector&lt;std::string&gt; splitted;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">size_t</span> last = 0;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">size_t</span> next = 0;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">while</span> ((next = str.find(delimiter, last)) != std::string::npos) {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; splitted.push_back(str.substr(last, next - last));</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; last = next + 1;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; splitted.push_back(str.substr(last));</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">return</span> splitted;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;} <span class="comment">// namespace details</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp_1_1contrib.html"> 58</a></span>&#160;<span class="keyword">namespace </span>contrib {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="comment">// needs to be same with</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="comment">// https://github.com/apache/mxnet/blob/1c874cfc807cee755c38f6486e8e0f4d94416cd8/src/operator/subgraph/tensorrt/tensorrt-inl.h#L190</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> std::string TENSORRT_SUBGRAPH_PARAM_IDENTIFIER = <span class="stringliteral">&quot;subgraph_params_names&quot;</span>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="comment">// needs to be same with</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="comment">// https://github.com/apache/mxnet/blob/master/src/operator/subgraph/tensorrt/tensorrt.cc#L244</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> std::string TENSORRT_SUBGRAPH_PARAM_PREFIX = <span class="stringliteral">&quot;subgraph_param_&quot;</span>;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp_1_1contrib.html#a67bd72ddd796c7b84192ed02307785b0"> 72</a></span>&#160; <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet_1_1cpp_1_1contrib.html#a67bd72ddd796c7b84192ed02307785b0">InitTensorRTParams</a>(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1Symbol.html">mxnet::cpp::Symbol</a>&amp; symbol,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; std::map&lt;std::string, mxnet::cpp::NDArray&gt; *argParams,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; std::map&lt;std::string, mxnet::cpp::NDArray&gt; *auxParams) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1Symbol.html">mxnet::cpp::Symbol</a> internals = symbol.<a class="code" href="classmxnet_1_1cpp_1_1Symbol.html#ab2b2b17938d59ed124fb2f8b30edb92c">GetInternals</a>();</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> numSymbol = internals.<a class="code" href="classmxnet_1_1cpp_1_1Symbol.html#a3de3679f31c77d013887ec0e9eacf983">GetNumOutputs</a>();</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> i = 0; i &lt; numSymbol; ++i) {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; std::map&lt;std::string, std::string&gt; attrs = internals[i].<a class="code" href="classmxnet_1_1cpp_1_1Symbol.html#a8de5b5f2c60be7e3fa3c628cb3b1f1f0">ListAttributes</a>();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">if</span> (attrs.find(TENSORRT_SUBGRAPH_PARAM_IDENTIFIER) != attrs.end()) {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; std::string new_params_names;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; std::map&lt;std::string, mxnet::cpp::NDArray&gt; tensorrtParams;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; std::vector&lt;std::string&gt; keys = <a class="code" href="namespacemxnet_1_1cpp_1_1details.html#aea21acc3704644c4cde9ad2625fe3cea">details::split</a>(</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; attrs[TENSORRT_SUBGRAPH_PARAM_IDENTIFIER], <span class="stringliteral">&quot;;&quot;</span>);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; key : keys) {</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">if</span> (argParams-&gt;find(key) != argParams-&gt;end()) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; new_params_names += key + <span class="stringliteral">&quot;;&quot;</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; tensorrtParams[TENSORRT_SUBGRAPH_PARAM_PREFIX + key] = (*argParams)[key];</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; argParams-&gt;erase(key);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (auxParams-&gt;find(key) != auxParams-&gt;end()) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; new_params_names += key + <span class="stringliteral">&quot;;&quot;</span>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; tensorrtParams[TENSORRT_SUBGRAPH_PARAM_PREFIX + key] = (*auxParams)[key];</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; auxParams-&gt;erase(key);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; }</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; std::map&lt;std::string, std::string&gt; new_attrs = {};</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; kv : tensorrtParams) {</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="comment">// passing the ndarray address into TRT node attributes to get the weight</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; uint64_t address = <span class="keyword">reinterpret_cast&lt;</span>uint64_t<span class="keyword">&gt;</span>(kv.second.GetHandle());</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; new_attrs[kv.first] = std::to_string(address);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span> (!new_attrs.empty()) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; internals[i].<a class="code" href="classmxnet_1_1cpp_1_1Symbol.html#aa1b006f0ddd705abfa5cba5fee3ac85e">SetAttributes</a>(new_attrs);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; internals[i].<a class="code" href="classmxnet_1_1cpp_1_1Symbol.html#ac4c005f5f785df91800d6bdcdd6b4f52">SetAttribute</a>(TENSORRT_SUBGRAPH_PARAM_IDENTIFIER,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; new_params_names.substr(0, new_params_names.length() - 1));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;}</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;} <span class="comment">// namespace contrib</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;} <span class="comment">// namespace cpp</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;} <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="preprocessor">#endif // MXNET_CPP_CONTRIB_H_</span></div><div class="ttc" id="symbol_8h_html"><div class="ttname"><a href="symbol_8h.html">symbol.h</a></div><div class="ttdoc">definition of symbol </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_1cpp_1_1Symbol_html_a8de5b5f2c60be7e3fa3c628cb3b1f1f0"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html#a8de5b5f2c60be7e3fa3c628cb3b1f1f0">mxnet::cpp::Symbol::ListAttributes</a></div><div class="ttdeci">std::map&lt; std::string, std::string &gt; ListAttributes() const</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Symbol_html_ab2b2b17938d59ed124fb2f8b30edb92c"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html#ab2b2b17938d59ed124fb2f8b30edb92c">mxnet::cpp::Symbol::GetInternals</a></div><div class="ttdeci">Symbol GetInternals() const</div><div class="ttdoc">save Symbol into a JSON string the symbol whose outputs are all the internals. </div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Symbol_html_aa1b006f0ddd705abfa5cba5fee3ac85e"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html#aa1b006f0ddd705abfa5cba5fee3ac85e">mxnet::cpp::Symbol::SetAttributes</a></div><div class="ttdeci">void SetAttributes(const std::map&lt; std::string, std::string &gt; &amp;attrs)</div><div class="ttdoc">set a series of key-value attribute to the symbol </div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Symbol_html_a3de3679f31c77d013887ec0e9eacf983"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html#a3de3679f31c77d013887ec0e9eacf983">mxnet::cpp::Symbol::GetNumOutputs</a></div><div class="ttdeci">mx_uint GetNumOutputs() const</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_1_1contrib_html_a67bd72ddd796c7b84192ed02307785b0"><div class="ttname"><a href="namespacemxnet_1_1cpp_1_1contrib.html#a67bd72ddd796c7b84192ed02307785b0">mxnet::cpp::contrib::InitTensorRTParams</a></div><div class="ttdeci">void InitTensorRTParams(const mxnet::cpp::Symbol &amp;symbol, std::map&lt; std::string, mxnet::cpp::NDArray &gt; *argParams, std::map&lt; std::string, mxnet::cpp::NDArray &gt; *auxParams)</div><div class="ttdef"><b>Definition:</b> contrib.h:72</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Symbol_html_ac4c005f5f785df91800d6bdcdd6b4f52"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html#ac4c005f5f785df91800d6bdcdd6b4f52">mxnet::cpp::Symbol::SetAttribute</a></div><div class="ttdeci">void SetAttribute(const std::string &amp;key, const std::string &amp;value)</div><div class="ttdoc">set key-value attribute to the symbol </div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_1_1details_html_aea21acc3704644c4cde9ad2625fe3cea"><div class="ttname"><a href="namespacemxnet_1_1cpp_1_1details.html#aea21acc3704644c4cde9ad2625fe3cea">mxnet::cpp::details::split</a></div><div class="ttdeci">std::vector&lt; std::string &gt; split(const std::string &amp;str, const std::string &amp;delimiter)</div><div class="ttdef"><b>Definition:</b> contrib.h:44</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Symbol_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Symbol.html">mxnet::cpp::Symbol</a></div><div class="ttdoc">Symbol interface. </div><div class="ttdef"><b>Definition:</b> symbol.h:71</div></div>
<div class="ttc" id="include_2mxnet_2c__api_8h_html_a3438cf44a22968b254a78032ca0c2c59"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a></div><div class="ttdeci">uint32_t mx_uint</div><div class="ttdoc">manually define unsigned int </div><div class="ttdef"><b>Definition:</b> c_api.h:57</div></div>
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