Google Git
Sign in
apache / mxnet-site / d5c5a235eef72f64ccaf224b834a20ef3287469b / . / versions / 1.9.1 / api / cpp / docs / api / random__generator_8h_source.html
blob: 7b01aa77e7509753e813343b6271cbf85fe710ca [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>mxnet: /work/mxnet/include/mxnet/random_generator.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">mxnet
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_1143c7affb9ebd026cb6818dd282def7.html">mxnet</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">random_generator.h</div> </div>
</div><!--header-->
<div class="contents">
<a href="random__generator_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="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#ifndef MXNET_RANDOM_GENERATOR_H_</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#define MXNET_RANDOM_GENERATOR_H_</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;random&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &lt;new&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="include_2mxnet_2base_8h.html">./base.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#if MXNET_USE_CUDA</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;curand_kernel.h&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &lt;math.h&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#endif // MXNET_USE_CUDA</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common.html"> 37</a></span>&#160;<span class="keyword">namespace </span>common {</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1common_1_1random.html"> 38</a></span>&#160;<span class="keyword">namespace </span>random {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Device, <span class="keyword">typename</span> DType MSHADOW_DEFAULT_DTYPE&gt;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html"> 41</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator</a>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html"> 44</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator</a>&lt;<a class="code" href="structmshadow_1_1cpu.html">cpu</a>, DType&gt; {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">// at least how many random numbers should be generated by one CPU thread.</span></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad59a015f903f3f139a841d61d510b8eb"> 47</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad59a015f903f3f139a841d61d510b8eb">kMinNumRandomPerThread</a>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">// store how many global random states for CPU.</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a4fd597ed27227e42234d4b43826fc0f9"> 49</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a4fd597ed27227e42234d4b43826fc0f9">kNumRandomStates</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="comment">// implementation class for random number generator</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="comment">// TODO(alexzai): move impl class to separate file - tracked in MXNET-948</span></div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html"> 53</a></span>&#160; <span class="keyword">class </span>Impl {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> std::conditional&lt;std::is_floating_point&lt;DType&gt;::value,</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a7290f773b036650e23afef7dfc59e69a"> 56</a></span>&#160; DType, <span class="keywordtype">double</span>&gt;::type <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a7290f773b036650e23afef7dfc59e69a">FType</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ad3520e2fcd82d9234c4f73f686e2ce86"> 57</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ad3520e2fcd82d9234c4f73f686e2ce86">Impl</a>(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html">RandGenerator&lt;cpu, DType&gt;</a> *gen, <span class="keywordtype">int</span> state_idx)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; : engine_(gen-&gt;states_ + state_idx) {}</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; Impl(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; Impl &amp;operator=(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ab0c9e07876283262b448ba484695f1e0"> 63</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ab0c9e07876283262b448ba484695f1e0">rand</a>() { <span class="keywordflow">return</span> engine_-&gt;operator()(); }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#af275a432e8b6b8a05f7e5d0eeed426b4"> 65</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> int64_t <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#af275a432e8b6b8a05f7e5d0eeed426b4">rand_int64</a>() {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>int64_t<span class="keyword">&gt;</span>(engine_-&gt;operator()() &lt;&lt; 31) + engine_-&gt;operator()();</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ac408747c825e9fa68523bd53c22f4720"> 69</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> FType <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ac408747c825e9fa68523bd53c22f4720">uniform</a>() {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">typedef</span> <span class="keyword">typename</span> std::conditional&lt;std::is_integral&lt;DType&gt;::value,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; std::uniform_int_distribution&lt;DType&gt;,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; std::uniform_real_distribution&lt;FType&gt;&gt;::type GType;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; GType dist_uniform;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">return</span> dist_uniform(*engine_);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; }</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a116539ba2e83889b1069831bb5f9693f"> 77</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> FType <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a116539ba2e83889b1069831bb5f9693f">normal</a>() {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; std::normal_distribution&lt;FType&gt; dist_normal;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">return</span> dist_normal(*engine_);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; std::mt19937 *engine_;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; }; <span class="comment">// class RandGenerator&lt;cpu, DType&gt;::Impl</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a270a37e7c44ce92030bf9e5a26c30f4d"> 86</a></span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a270a37e7c44ce92030bf9e5a26c30f4d">AllocState</a>(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html">RandGenerator&lt;cpu, DType&gt;</a> *inst) {</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; inst-&gt;states_ = <span class="keyword">new</span> std::mt19937[kNumRandomStates];</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#aaa64545e32685e361acac218ef764d76"> 90</a></span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#aaa64545e32685e361acac218ef764d76">FreeState</a>(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html">RandGenerator&lt;cpu, DType&gt;</a> *inst) {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">delete</span>[] inst-&gt;states_;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; }</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"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a03cb2c614a863bb13870e4bca11f0c60"> 94</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a03cb2c614a863bb13870e4bca11f0c60">Seed</a>(<a class="code" href="structmshadow_1_1Stream.html">mshadow::Stream&lt;cpu&gt;</a> *, uint32_t seed) {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; kNumRandomStates; ++i) (states_ + i)-&gt;seed(seed + i);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// export global random states, used by c++ custom operator</span></div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad1fc9e87fbb9b764740dc6c00fc9db64"> 99</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> <span class="keywordtype">void</span>* <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad1fc9e87fbb9b764740dc6c00fc9db64">GetStates</a>() {</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(states_);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; std::mt19937 *states_;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;}; <span class="comment">// class RandGenerator&lt;cpu, DType&gt;</span></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;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator&lt;cpu, DType&gt;::kMinNumRandomPerThread</a> = 64;</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="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator&lt;cpu, DType&gt;::kNumRandomStates</a> = 1024;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;<span class="preprocessor">#if MXNET_USE_CUDA</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html"> 116</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator</a>&lt;<a class="code" href="structmshadow_1_1gpu.html">gpu</a>, DType&gt; {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// at least how many random numbers should be generated by one GPU thread.</span></div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a38fd552186f00f675dcbd4cd078c0fec"> 119</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a38fd552186f00f675dcbd4cd078c0fec">kMinNumRandomPerThread</a>;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="comment">// store how many global random states for GPU.</span></div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a3bde74501b0cbece03e983354f3453c7"> 121</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a3bde74501b0cbece03e983354f3453c7">kNumRandomStates</a>;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// uniform number generation in Cuda made consistent with stl (include 0 but exclude 1)</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// by using 1.0-curand_uniform().</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Needed as some samplers in sampler.h won&#39;t be able to deal with</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">// one of the boundary cases.</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// TODO(alexzai): move impl class to separate file - tracked in MXNET-948</span></div><div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html"> 128</a></span>&#160; <span class="keyword">class </span>Impl {</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; Impl &amp;operator=(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; Impl(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="comment">// Copy state to local memory for efficiency.</span></div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#ada1ea8b8661bf4982ef8e651799275aa"> 134</a></span>&#160; __device__ <span class="keyword">explicit</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#ada1ea8b8661bf4982ef8e651799275aa">Impl</a>(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html">RandGenerator&lt;gpu, DType&gt;</a> *gen, <span class="keywordtype">int</span> state_idx)</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; : global_gen_(gen),</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; global_state_idx_(state_idx),</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; state_(*(gen-&gt;states_ + state_idx)) {}</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#aa43b91933dcf2f8967aaeae00ed39625"> 139</a></span>&#160; __device__ <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#aa43b91933dcf2f8967aaeae00ed39625">~Impl</a>() {</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// store the curand state back into global memory</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; global_gen_-&gt;states_[global_state_idx_] = state_;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div><div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a1b93a653772f69ba2922d51f93612813"> 144</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a1b93a653772f69ba2922d51f93612813">rand</a>() {</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">return</span> curand(&amp;state_);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a42abb5579954664341298cce84f586cf"> 148</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ int64_t <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a42abb5579954664341298cce84f586cf">rand_int64</a>() {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>int64_t<span class="keyword">&gt;</span>(curand(&amp;state_) &lt;&lt; 31) + curand(&amp;state_);</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; }</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a139a4902915fcdc052d71d9c33dda23b"> 152</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">float</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a139a4902915fcdc052d71d9c33dda23b">uniform</a>() {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">float</span><span class="keyword">&gt;</span>(1.0) - curand_uniform(&amp;state_);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a20e9211034dd84dad5ddace145256f0d"> 156</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">float</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a20e9211034dd84dad5ddace145256f0d">normal</a>() {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">return</span> curand_normal(&amp;state_);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html">RandGenerator&lt;gpu, DType&gt;</a> *global_gen_;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">int</span> global_state_idx_;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; curandStatePhilox4_32_10_t state_;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }; <span class="comment">// class RandGenerator&lt;gpu, DType&gt;::Impl</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> AllocState(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html">RandGenerator&lt;gpu, DType&gt;</a> *inst);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> FreeState(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html">RandGenerator&lt;gpu, DType&gt;</a> *inst);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordtype">void</span> Seed(<a class="code" href="structmshadow_1_1Stream_3_01gpu_01_4.html">mshadow::Stream&lt;gpu&gt;</a> *s, uint32_t seed);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">// export global random states, used by c++ custom operator</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordtype">void</span>* GetStates();</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; curandStatePhilox4_32_10_t *states_;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;}; <span class="comment">// class RandGenerator&lt;gpu, DType&gt;</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;<span class="keyword">template</span>&lt;&gt;</div><div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4.html"> 180</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">RandGenerator</a>&lt;<a class="code" href="structmshadow_1_1gpu.html">gpu</a>, double&gt; {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="comment">// uniform number generation in Cuda made consistent with stl (include 0 but exclude 1)</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// by using 1.0-curand_uniform().</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="comment">// Needed as some samplers in sampler.h won&#39;t be able to deal with</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="comment">// one of the boundary cases.</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// TODO(alexzai): move impl class to separate file - tracked in MXNET-948</span></div><div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html"> 187</a></span>&#160; <span class="keyword">class </span>Impl {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; Impl &amp;operator=(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; Impl(<span class="keyword">const</span> Impl &amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="comment">// Copy state to local memory for efficiency.</span></div><div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a3e2e25959dd10ca3aacd1adb9ad91a3e"> 193</a></span>&#160; __device__ <span class="keyword">explicit</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a3e2e25959dd10ca3aacd1adb9ad91a3e">Impl</a>(<a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4.html">RandGenerator&lt;gpu, double&gt;</a> *gen, <span class="keywordtype">int</span> state_idx)</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; : global_gen_(gen),</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; global_state_idx_(state_idx),</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; state_(*(gen-&gt;states_ + state_idx)) {}</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a49ba134a5969315afb8edc9d3c1f34a3"> 198</a></span>&#160; __device__ <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a49ba134a5969315afb8edc9d3c1f34a3">~Impl</a>() {</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="comment">// store the curand state back into global memory</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; global_gen_-&gt;states_[global_state_idx_] = state_;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a6b3157a5c54dffb36f0610242aa277a9"> 203</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a6b3157a5c54dffb36f0610242aa277a9">rand</a>() {</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">return</span> curand(&amp;state_);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; }</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#ad881e5f172b84f7df1cbd13aa18fd028"> 207</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ int64_t <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#ad881e5f172b84f7df1cbd13aa18fd028">rand_int64</a>() {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span>int64_t<span class="keyword">&gt;</span>(curand(&amp;state_) &lt;&lt; 31) + curand(&amp;state_);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; }</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a85a67d18b9e78cdb1c03346583bc9487"> 211</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">double</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a85a67d18b9e78cdb1c03346583bc9487">uniform</a>() {</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">float</span><span class="keyword">&gt;</span>(1.0) - curand_uniform_double(&amp;state_);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; }</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160;</div><div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a78f2d64849b7b8b17c11dfe552a27e26"> 215</a></span>&#160; <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a> __device__ <span class="keywordtype">double</span> <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a78f2d64849b7b8b17c11dfe552a27e26">normal</a>() {</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">return</span> curand_normal_double(&amp;state_);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <a class="code" href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4.html">RandGenerator&lt;gpu, double&gt;</a> *global_gen_;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordtype">int</span> global_state_idx_;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; curandStatePhilox4_32_10_t state_;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; }; <span class="comment">// class RandGenerator&lt;gpu, double&gt;::Impl</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; curandStatePhilox4_32_10_t *states_;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;}; <span class="comment">// class RandGenerator&lt;gpu, double&gt;</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160;<span class="preprocessor">#endif // MXNET_USE_CUDA</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160;} <span class="comment">// namespace random</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;} <span class="comment">// namespace common</span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;} <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;<span class="preprocessor">#endif // MXNET_RANDOM_GENERATOR_H_</span></div><div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_a20e9211034dd84dad5ddace145256f0d"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a20e9211034dd84dad5ddace145256f0d">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::normal</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ float normal()</div><div class="ttdef"><b>Definition:</b> random_generator.h:156</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_a270a37e7c44ce92030bf9e5a26c30f4d"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a270a37e7c44ce92030bf9e5a26c30f4d">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::AllocState</a></div><div class="ttdeci">static void AllocState(RandGenerator&lt; cpu, DType &gt; *inst)</div><div class="ttdef"><b>Definition:</b> random_generator.h:86</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_html"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4.html">mxnet::common::random::RandGenerator&lt; gpu, double &gt;</a></div><div class="ttdef"><b>Definition:</b> random_generator.h:180</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="structmshadow_1_1Stream_3_01gpu_01_4_html"><div class="ttname"><a href="structmshadow_1_1Stream_3_01gpu_01_4.html">mshadow::Stream&lt; gpu &gt;</a></div><div class="ttdef"><b>Definition:</b> stream_gpu-inl.h:37</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_html_a38fd552186f00f675dcbd4cd078c0fec"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a38fd552186f00f675dcbd4cd078c0fec">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::kMinNumRandomPerThread</a></div><div class="ttdeci">static const int kMinNumRandomPerThread</div><div class="ttdef"><b>Definition:</b> random_generator.h:119</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_ada1ea8b8661bf4982ef8e651799275aa"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#ada1ea8b8661bf4982ef8e651799275aa">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::Impl</a></div><div class="ttdeci">__device__ Impl(RandGenerator&lt; gpu, DType &gt; *gen, int state_idx)</div><div class="ttdef"><b>Definition:</b> random_generator.h:134</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_ab0c9e07876283262b448ba484695f1e0"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ab0c9e07876283262b448ba484695f1e0">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::rand</a></div><div class="ttdeci">MSHADOW_XINLINE int rand()</div><div class="ttdef"><b>Definition:</b> random_generator.h:63</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_a116539ba2e83889b1069831bb5f9693f"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a116539ba2e83889b1069831bb5f9693f">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::normal</a></div><div class="ttdeci">MSHADOW_XINLINE FType normal()</div><div class="ttdef"><b>Definition:</b> random_generator.h:77</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_aa43b91933dcf2f8967aaeae00ed39625"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#aa43b91933dcf2f8967aaeae00ed39625">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::~Impl</a></div><div class="ttdeci">__device__ ~Impl()</div><div class="ttdef"><b>Definition:</b> random_generator.h:139</div></div>
<div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html_ad9835bbd312a2aead44b7870947ef884"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html#ad9835bbd312a2aead44b7870947ef884">MSHADOW_FORCE_INLINE</a></div><div class="ttdeci">#define MSHADOW_FORCE_INLINE</div><div class="ttdef"><b>Definition:</b> base.h:225</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_html_a3bde74501b0cbece03e983354f3453c7"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html#a3bde74501b0cbece03e983354f3453c7">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::kNumRandomStates</a></div><div class="ttdeci">static const int kNumRandomStates</div><div class="ttdef"><b>Definition:</b> random_generator.h:121</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_a6b3157a5c54dffb36f0610242aa277a9"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a6b3157a5c54dffb36f0610242aa277a9">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::rand</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ int rand()</div><div class="ttdef"><b>Definition:</b> random_generator.h:203</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_aaa64545e32685e361acac218ef764d76"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#aaa64545e32685e361acac218ef764d76">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::FreeState</a></div><div class="ttdeci">static void FreeState(RandGenerator&lt; cpu, DType &gt; *inst)</div><div class="ttdef"><b>Definition:</b> random_generator.h:90</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_ad881e5f172b84f7df1cbd13aa18fd028"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#ad881e5f172b84f7df1cbd13aa18fd028">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::rand_int64</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ int64_t rand_int64()</div><div class="ttdef"><b>Definition:</b> random_generator.h:207</div></div>
<div class="ttc" id="structmshadow_1_1cpu_html"><div class="ttname"><a href="structmshadow_1_1cpu.html">mshadow::cpu</a></div><div class="ttdoc">device name CPU </div><div class="ttdef"><b>Definition:</b> tensor.h:39</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_ad3520e2fcd82d9234c4f73f686e2ce86"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ad3520e2fcd82d9234c4f73f686e2ce86">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::Impl</a></div><div class="ttdeci">Impl(RandGenerator&lt; cpu, DType &gt; *gen, int state_idx)</div><div class="ttdef"><b>Definition:</b> random_generator.h:57</div></div>
<div class="ttc" id="structmshadow_1_1gpu_html"><div class="ttname"><a href="structmshadow_1_1gpu.html">mshadow::gpu</a></div><div class="ttdoc">device name GPU </div><div class="ttdef"><b>Definition:</b> tensor.h:46</div></div>
<div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html_af205b8ab4d8733133d590df7d2639d69"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a></div><div class="ttdeci">#define MSHADOW_XINLINE</div><div class="ttdef"><b>Definition:</b> base.h:230</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_a139a4902915fcdc052d71d9c33dda23b"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a139a4902915fcdc052d71d9c33dda23b">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::uniform</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ float uniform()</div><div class="ttdef"><b>Definition:</b> random_generator.h:152</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_a7290f773b036650e23afef7dfc59e69a"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#a7290f773b036650e23afef7dfc59e69a">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::FType</a></div><div class="ttdeci">std::conditional&lt; std::is_floating_point&lt; DType &gt;::value, DType, double &gt;::type FType</div><div class="ttdef"><b>Definition:</b> random_generator.h:56</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_a4fd597ed27227e42234d4b43826fc0f9"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a4fd597ed27227e42234d4b43826fc0f9">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::kNumRandomStates</a></div><div class="ttdeci">static const int kNumRandomStates</div><div class="ttdef"><b>Definition:</b> random_generator.h:49</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_html"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4.html">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;</a></div><div class="ttdef"><b>Definition:</b> random_generator.h:116</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_af275a432e8b6b8a05f7e5d0eeed426b4"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#af275a432e8b6b8a05f7e5d0eeed426b4">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::rand_int64</a></div><div class="ttdeci">MSHADOW_XINLINE int64_t rand_int64()</div><div class="ttdef"><b>Definition:</b> random_generator.h:65</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_a42abb5579954664341298cce84f586cf"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a42abb5579954664341298cce84f586cf">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::rand_int64</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ int64_t rand_int64()</div><div class="ttdef"><b>Definition:</b> random_generator.h:148</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_ad59a015f903f3f139a841d61d510b8eb"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad59a015f903f3f139a841d61d510b8eb">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::kMinNumRandomPerThread</a></div><div class="ttdeci">static const int kMinNumRandomPerThread</div><div class="ttdef"><b>Definition:</b> random_generator.h:47</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl_html_ac408747c825e9fa68523bd53c22f4720"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_1_1Impl.html#ac408747c825e9fa68523bd53c22f4720">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Impl::uniform</a></div><div class="ttdeci">MSHADOW_XINLINE FType uniform()</div><div class="ttdef"><b>Definition:</b> random_generator.h:69</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;</a></div><div class="ttdef"><b>Definition:</b> random_generator.h:44</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_ad1fc9e87fbb9b764740dc6c00fc9db64"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#ad1fc9e87fbb9b764740dc6c00fc9db64">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::GetStates</a></div><div class="ttdeci">MSHADOW_XINLINE void * GetStates()</div><div class="ttdef"><b>Definition:</b> random_generator.h:99</div></div>
<div class="ttc" id="include_2mxnet_2base_8h_html"><div class="ttname"><a href="include_2mxnet_2base_8h.html">base.h</a></div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl_html_a1b93a653772f69ba2922d51f93612813"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01DType_01_4_1_1Impl.html#a1b93a653772f69ba2922d51f93612813">mxnet::common::random::RandGenerator&lt; gpu, DType &gt;::Impl::rand</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ int rand()</div><div class="ttdef"><b>Definition:</b> random_generator.h:144</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_a49ba134a5969315afb8edc9d3c1f34a3"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a49ba134a5969315afb8edc9d3c1f34a3">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::~Impl</a></div><div class="ttdeci">__device__ ~Impl()</div><div class="ttdef"><b>Definition:</b> random_generator.h:198</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_html"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator.html">mxnet::common::random::RandGenerator</a></div><div class="ttdef"><b>Definition:</b> random_generator.h:41</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_a78f2d64849b7b8b17c11dfe552a27e26"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a78f2d64849b7b8b17c11dfe552a27e26">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::normal</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ double normal()</div><div class="ttdef"><b>Definition:</b> random_generator.h:215</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_a85a67d18b9e78cdb1c03346583bc9487"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a85a67d18b9e78cdb1c03346583bc9487">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::uniform</a></div><div class="ttdeci">MSHADOW_FORCE_INLINE __device__ double uniform()</div><div class="ttdef"><b>Definition:</b> random_generator.h:211</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl_html_a3e2e25959dd10ca3aacd1adb9ad91a3e"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01gpu_00_01double_01_4_1_1Impl.html#a3e2e25959dd10ca3aacd1adb9ad91a3e">mxnet::common::random::RandGenerator&lt; gpu, double &gt;::Impl::Impl</a></div><div class="ttdeci">__device__ Impl(RandGenerator&lt; gpu, double &gt; *gen, int state_idx)</div><div class="ttdef"><b>Definition:</b> random_generator.h:193</div></div>
<div class="ttc" id="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4_html_a03cb2c614a863bb13870e4bca11f0c60"><div class="ttname"><a href="classmxnet_1_1common_1_1random_1_1RandGenerator_3_01cpu_00_01DType_01_4.html#a03cb2c614a863bb13870e4bca11f0c60">mxnet::common::random::RandGenerator&lt; cpu, DType &gt;::Seed</a></div><div class="ttdeci">MSHADOW_XINLINE void Seed(mshadow::Stream&lt; cpu &gt; *, uint32_t seed)</div><div class="ttdef"><b>Definition:</b> random_generator.h:94</div></div>
<div class="ttc" id="structmshadow_1_1Stream_html"><div class="ttname"><a href="structmshadow_1_1Stream.html">mshadow::Stream</a></div><div class="ttdoc">computaion stream structure, used for asynchronous computations </div><div class="ttdef"><b>Definition:</b> tensor.h:383</div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu Jan 5 2023 00:58:42 for mxnet by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.13
</small></address>
</body>
</html>