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--- incubator/singa/site/trunk/doxygen/html/network_8h_source.html (added)
+++ incubator/singa/site/trunk/doxygen/html/network_8h_source.html Mon Apr 22
10:37:18 2019
@@ -0,0 +1,79 @@
+<!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>Apache Singa: /home/moaz/incubator-singa/include/singa/io/network.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">Apache Singa
+ </div>
+ <div id="projectbrief">A General Distributed Deep Learning Library</div>
+ </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
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+<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_14a988756d30161f7e1f48b05d03905d.html">singa</a></li><li
class="navelem"><a class="el"
href="dir_953eafc3caccd34fc2601f376f19d1ef.html">io</a></li> </ul>
+</div>
+</div><!-- top -->
+<div class="header">
+ <div class="headertitle">
+<div class="title">network.h</div> </div>
+</div><!--header-->
+<div class="contents">
+<div class="fragment"><div class="line"><a name="l00001"></a><span
class="lineno"> 1</span> <span
class="comment">/************************************************************</span></div><div
class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span
class="comment">*</span></div><div class="line"><a name="l00003"></a><span
class="lineno"> 3</span> <span class="comment">* Licensed to the Apache
Software Foundation (ASF) under one</span></div><div class="line"><a
name="l00004"></a><span class="lineno"> 4</span> <span
class="comment">* or more contributor license agreements. See the NOTICE
file</span></div><div class="line"><a name="l00005"></a><span class="lineno">
5</span> <span class="comment">* distributed with this work for
additional information</span></div><div class="line"><a name="l00006"></a><span
class="lineno"> 6</span> <span class="comment">* regarding copyright
ownership. The ASF licenses this file</span></di
v><div class="line"><a name="l00007"></a><span class="lineno">
7</span> <span class="comment">* to you under the Apache License, Version
2.0 (the</span></div><div class="line"><a name="l00008"></a><span
class="lineno"> 8</span> <span class="comment">* "License");
you may not use this file except in compliance</span></div><div class="line"><a
name="l00009"></a><span class="lineno"> 9</span> <span
class="comment">* with the License. You may obtain a copy of the License
at</span></div><div class="line"><a name="l00010"></a><span class="lineno">
10</span> <span class="comment">*</span></div><div class="line"><a
name="l00011"></a><span class="lineno"> 11</span> <span
class="comment">* http://www.apache.org/licenses/LICENSE-2.0</span></div><div
class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span
class="comment">*</span></div><div class="line"><a name="l00013"></a><span
class="lineno"> 13</span> <span clas
s="comment">* Unless required by applicable law or agreed to in
writing,</span></div><div class="line"><a name="l00014"></a><span
class="lineno"> 14</span> <span class="comment">* software distributed
under the License is distributed on an</span></div><div class="line"><a
name="l00015"></a><span class="lineno"> 15</span> <span
class="comment">* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY</span></div><div class="line"><a name="l00016"></a><span class="lineno">
16</span> <span class="comment">* KIND, either express or implied. See
the License for the</span></div><div class="line"><a name="l00017"></a><span
class="lineno"> 17</span> <span class="comment">* specific language
governing permissions and limitations</span></div><div class="line"><a
name="l00018"></a><span class="lineno"> 18</span> <span
class="comment">* under the License.</span></div><div class="line"><a
name="l00019"></a><span class="lineno"> 19</span> <span
class="comment">*</span></div><div class="line"><a name="l00020"></a><span
class="lineno"> 20</span> <span
class="comment">*************************************************************/</span></div><div
class="line"><a name="l00021"></a><span class="lineno">
21</span> </div><div class="line"><a name="l00022"></a><span
class="lineno"> 22</span> <span class="preprocessor">#ifndef
SINGA_COMM_NETWORK_H_</span></div><div class="line"><a name="l00023"></a><span
class="lineno"> 23</span> <span class="preprocessor">#define
SINGA_COMM_NETWORK_H_</span></div><div class="line"><a name="l00024"></a><span
class="lineno"> 24</span> <span class="preprocessor">#include
"singa/singa_config.h"</span></div><div class="line"><a
name="l00025"></a><span class="lineno"> 25</span> <span
class="preprocessor">#ifdef ENABLE_DIST</span></div><div class="line"><a
name="l00026"></a><span class="lineno"> 26</span> <span
class="preprocessor">#include <e
v.h></span></div><div class="line"><a name="l00027"></a><span
class="lineno"> 27</span> <span class="preprocessor">#include
<thread></span></div><div class="line"><a name="l00028"></a><span
class="lineno"> 28</span> <span class="preprocessor">#include
<unordered_map></span></div><div class="line"><a name="l00029"></a><span
class="lineno"> 29</span> <span class="preprocessor">#include
<map></span></div><div class="line"><a name="l00030"></a><span
class="lineno"> 30</span> <span class="preprocessor">#include
<vector></span></div><div class="line"><a name="l00031"></a><span
class="lineno"> 31</span> <span class="preprocessor">#include
<condition_variable></span></div><div class="line"><a
name="l00032"></a><span class="lineno"> 32</span> <span
class="preprocessor">#include <mutex></span></div><div class="line"><a
name="l00033"></a><span class="lineno"> 33</span> <span
class="preprocessor">#include &l
t;atomic></span></div><div class="line"><a name="l00034"></a><span
class="lineno"> 34</span> <span class="preprocessor">#include
<string></span></div><div class="line"><a name="l00035"></a><span
class="lineno"> 35</span> <span class="preprocessor">#include
<netinet/in.h></span></div><div class="line"><a name="l00036"></a><span
class="lineno"> 36</span> <span class="preprocessor">#include
<queue></span></div><div class="line"><a name="l00037"></a><span
class="lineno"> 37</span> </div><div class="line"><a
name="l00038"></a><span class="lineno"> 38</span> <span
class="keyword">namespace </span><a class="code"
href="namespacesinga.html">singa</a> {</div><div class="line"><a
name="l00039"></a><span class="lineno"> 39</span> </div><div
class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span
class="preprocessor">#define LOCKED 1</span></div><div class="line"><a
name="l00041"></a><span class="lineno"> 41
</span> <span class="preprocessor">#define UNLOCKED 0</span></div><div
class="line"><a name="l00042"></a><span class="lineno">
42</span> </div><div class="line"><a name="l00043"></a><span
class="lineno"> 43</span> <span class="preprocessor">#define SIG_EP
1</span></div><div class="line"><a name="l00044"></a><span class="lineno">
44</span> <span class="preprocessor">#define SIG_MSG 2</span></div><div
class="line"><a name="l00045"></a><span class="lineno">
45</span> </div><div class="line"><a name="l00046"></a><span
class="lineno"> 46</span> <span class="preprocessor">#define CONN_INIT
0</span></div><div class="line"><a name="l00047"></a><span class="lineno">
47</span> <span class="preprocessor">#define CONN_PENDING
1</span></div><div class="line"><a name="l00048"></a><span class="lineno">
48</span> <span class="preprocessor">#define CONN_EST 2</span></div><div
class="line"><a name="l00049"></a><span class="lineno"> 49</span>
0;<span class="preprocessor">#define CONN_ERROR 3</span></div><div
class="line"><a name="l00050"></a><span class="lineno">
50</span> </div><div class="line"><a name="l00051"></a><span
class="lineno"> 51</span> <span class="preprocessor">#define
MAX_RETRY_CNT 3</span></div><div class="line"><a name="l00052"></a><span
class="lineno"> 52</span> </div><div class="line"><a
name="l00053"></a><span class="lineno"> 53</span> <span
class="preprocessor">#define EP_TIMEOUT 5.</span></div><div class="line"><a
name="l00054"></a><span class="lineno"> 54</span> </div><div
class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span
class="preprocessor">#define MSG_DATA 0</span></div><div class="line"><a
name="l00056"></a><span class="lineno"> 56</span> <span
class="preprocessor">#define MSG_ACK 1</span></div><div class="line"><a
name="l00057"></a><span class="lineno"> 57</span> </div><div
class="line"><a name="l00058"></a><span cla
ss="lineno"> 58</span> <span class="keyword">class
</span>NetworkThread;</div><div class="line"><a name="l00059"></a><span
class="lineno"> 59</span> <span class="keyword">class
</span>EndPoint;</div><div class="line"><a name="l00060"></a><span
class="lineno"> 60</span> <span class="keyword">class
</span>EndPointFactory;</div><div class="line"><a name="l00061"></a><span
class="lineno"> 61</span> </div><div class="line"><a
name="l00062"></a><span class="lineno"> 62</span> <span
class="keyword">class </span>Message {</div><div class="line"><a
name="l00063"></a><span class="lineno"> 63</span> <span
class="keyword">private</span>:</div><div class="line"><a
name="l00064"></a><span class="lineno"> 64</span>  uint8_t
type_;</div><div class="line"><a name="l00065"></a><span class="lineno">
65</span>  uint32_t id_;</div><div class="line"><a
name="l00066"></a><span class="lineno"> 66</span>  std::size_t msize_ =
0;</div><div cla
ss="line"><a name="l00067"></a><span class="lineno"> 67</span> 
std::size_t psize_ = 0;</div><div class="line"><a name="l00068"></a><span
class="lineno"> 68</span>  std::size_t processed_ = 0;</div><div
class="line"><a name="l00069"></a><span class="lineno"> 69</span> 
<span class="keywordtype">char</span> *msg_ = <span
class="keyword">nullptr</span>;</div><div class="line"><a
name="l00070"></a><span class="lineno"> 70</span>  <span
class="keyword">static</span> <span class="keyword">const</span> <span
class="keywordtype">int</span> hsize_ =</div><div class="line"><a
name="l00071"></a><span class="lineno"> 71</span>  <span
class="keyword">sizeof</span>(id_) + 2 * <span
class="keyword">sizeof</span>(std::size_t) + <span
class="keyword">sizeof</span>(type_);</div><div class="line"><a
name="l00072"></a><span class="lineno"> 72</span>  <span
class="keywordtype">char</span> mdata_[hsize_];</div><div class="line"><a
name="l00073"></a><sp
an class="lineno"> 73</span>  <span class="keyword">friend</span>
<span class="keyword">class </span>NetworkThread;</div><div class="line"><a
name="l00074"></a><span class="lineno"> 74</span>  <span
class="keyword">friend</span> <span class="keyword">class
</span>EndPoint;</div><div class="line"><a name="l00075"></a><span
class="lineno"> 75</span> </div><div class="line"><a
name="l00076"></a><span class="lineno"> 76</span> <span
class="keyword">public</span>:</div><div class="line"><a
name="l00077"></a><span class="lineno"> 77</span>  Message(<span
class="keywordtype">int</span> = MSG_DATA, uint32_t = 0);</div><div
class="line"><a name="l00078"></a><span class="lineno"> 78</span> 
Message(<span class="keyword">const</span> Message &) = <span
class="keyword">delete</span>;</div><div class="line"><a
name="l00079"></a><span class="lineno"> 79</span>  Message(Message
&&);</div><div class="line"><a name="l00080"></a><span
class="lineno"> 80</span>  ~Message();</div><div class="line"><a
name="l00081"></a><span class="lineno"> 81</span> </div><div
class="line"><a name="l00082"></a><span class="lineno"> 82</span> 
<span class="keywordtype">void</span> setMetadata(<span
class="keyword">const</span> <span class="keywordtype">void</span> *, <span
class="keywordtype">int</span>);</div><div class="line"><a
name="l00083"></a><span class="lineno"> 83</span>  <span
class="keywordtype">void</span> setPayload(<span class="keyword">const</span>
<span class="keywordtype">void</span> *, <span
class="keywordtype">int</span>);</div><div class="line"><a
name="l00084"></a><span class="lineno"> 84</span> </div><div
class="line"><a name="l00085"></a><span class="lineno"> 85</span> 
std::size_t getMetadata(<span class="keywordtype">void</span> **);</div><div
class="line"><a name="l00086"></a><span class="lineno"> 86</span> 
std::size_t getPayload(<span class="keywordtyp
e">void</span> **);</div><div class="line"><a name="l00087"></a><span
class="lineno"> 87</span> </div><div class="line"><a
name="l00088"></a><span class="lineno"> 88</span>  std::size_t
getSize();</div><div class="line"><a name="l00089"></a><span class="lineno">
89</span>  <span class="keywordtype">void</span>
setId(uint32_t);</div><div class="line"><a name="l00090"></a><span
class="lineno"> 90</span> };</div><div class="line"><a
name="l00091"></a><span class="lineno"> 91</span> </div><div
class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span
class="keyword">class </span>EndPoint {</div><div class="line"><a
name="l00093"></a><span class="lineno"> 93</span> <span
class="keyword">private</span>:</div><div class="line"><a
name="l00094"></a><span class="lineno"> 94</span> 
std::queue<Message *> send_;</div><div class="line"><a
name="l00095"></a><span class="lineno"> 95</span>  std::queue<Messag
e *> recv_;</div><div class="line"><a name="l00096"></a><span
class="lineno"> 96</span>  std::queue<Message *>
to_ack_;</div><div class="line"><a name="l00097"></a><span class="lineno">
97</span>  std::condition_variable cv_;</div><div class="line"><a
name="l00098"></a><span class="lineno"> 98</span>  std::mutex
mtx_;</div><div class="line"><a name="l00099"></a><span class="lineno">
99</span>  <span class="keyword">struct </span>sockaddr_in
addr_;</div><div class="line"><a name="l00100"></a><span class="lineno">
100</span>  ev_timer timer_;</div><div class="line"><a
name="l00101"></a><span class="lineno"> 101</span>  ev_tstamp
last_msg_time_;</div><div class="line"><a name="l00102"></a><span
class="lineno"> 102</span>  <span class="keywordtype">int</span> fd_[2]
= { -1, -1 }; <span class="comment">// two endpoints simultaneously connect to
each other</span></div><div class="line"><a name="l00103"></a><span
class="lineno">
103</span>  <span class="keywordtype">int</span> pfd_ = -1;</div><div
class="line"><a name="l00104"></a><span class="lineno"> 104</span> 
<span class="keywordtype">bool</span> is_socket_loop_ = <span
class="keyword">false</span>;</div><div class="line"><a name="l00105"></a><span
class="lineno"> 105</span>  <span class="keywordtype">int</span>
conn_status_ = CONN_INIT;</div><div class="line"><a name="l00106"></a><span
class="lineno"> 106</span>  <span class="keywordtype">int</span>
pending_cnt_ = 0;</div><div class="line"><a name="l00107"></a><span
class="lineno"> 107</span>  <span class="keywordtype">int</span>
retry_cnt_ = 0;</div><div class="line"><a name="l00108"></a><span
class="lineno"> 108</span>  NetworkThread *thread_ = <span
class="keyword">nullptr</span>;</div><div class="line"><a
name="l00109"></a><span class="lineno"> 109</span> 
EndPoint(NetworkThread *t);</div><div class="line"><a name="l00110"></a><span
class="lineno">
110</span>  ~EndPoint();</div><div class="line"><a
name="l00111"></a><span class="lineno"> 111</span>  <span
class="keyword">friend</span> <span class="keyword">class
</span>NetworkThread;</div><div class="line"><a name="l00112"></a><span
class="lineno"> 112</span>  <span class="keyword">friend</span> <span
class="keyword">class </span>EndPointFactory;</div><div class="line"><a
name="l00113"></a><span class="lineno"> 113</span> </div><div
class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span
class="keyword">public</span>:</div><div class="line"><a
name="l00115"></a><span class="lineno"> 115</span>  <span
class="keywordtype">int</span> send(Message *);</div><div class="line"><a
name="l00116"></a><span class="lineno"> 116</span>  Message
*recv();</div><div class="line"><a name="l00117"></a><span class="lineno">
117</span> };</div><div class="line"><a name="l00118"></a><span
class="lineno"> 118</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno">
119</span> <span class="keyword">class </span>EndPointFactory {</div><div
class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span
class="keyword">private</span>:</div><div class="line"><a
name="l00121"></a><span class="lineno"> 121</span> 
std::unordered_map<uint32_t, EndPoint *> ip_ep_map_;</div><div
class="line"><a name="l00122"></a><span class="lineno"> 122</span> 
std::condition_variable map_cv_;</div><div class="line"><a
name="l00123"></a><span class="lineno"> 123</span>  std::mutex
map_mtx_;</div><div class="line"><a name="l00124"></a><span class="lineno">
124</span>  NetworkThread *thread_;</div><div class="line"><a
name="l00125"></a><span class="lineno"> 125</span>  EndPoint
*getEp(uint32_t ip);</div><div class="line"><a name="l00126"></a><span
class="lineno"> 126</span>  EndPoint *getOrCreateEp(uint32_t
ip);</div><div class="line"><a name
="l00127"></a><span class="lineno"> 127</span>  <span
class="keyword">friend</span> <span class="keyword">class
</span>NetworkThread;</div><div class="line"><a name="l00128"></a><span
class="lineno"> 128</span> </div><div class="line"><a
name="l00129"></a><span class="lineno"> 129</span> <span
class="keyword">public</span>:</div><div class="line"><a
name="l00130"></a><span class="lineno"> 130</span> 
EndPointFactory(NetworkThread *thread) : thread_(thread) {}</div><div
class="line"><a name="l00131"></a><span class="lineno"> 131</span> 
~EndPointFactory();</div><div class="line"><a name="l00132"></a><span
class="lineno"> 132</span>  EndPoint *getEp(<span
class="keyword">const</span> <span class="keywordtype">char</span>
*host);</div><div class="line"><a name="l00133"></a><span class="lineno">
133</span>  <span class="keywordtype">void</span>
getNewEps(std::vector<EndPoint *> &neps);</div><div class="line"><a
name="l00134"></a><
span class="lineno"> 134</span> };</div><div class="line"><a
name="l00135"></a><span class="lineno"> 135</span> </div><div
class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span
class="keyword">class </span>NetworkThread {</div><div class="line"><a
name="l00137"></a><span class="lineno"> 137</span> <span
class="keyword">private</span>:</div><div class="line"><a
name="l00138"></a><span class="lineno"> 138</span>  <span
class="keyword">struct </span>ev_loop *loop_;</div><div class="line"><a
name="l00139"></a><span class="lineno"> 139</span>  ev_async
ep_sig_;</div><div class="line"><a name="l00140"></a><span class="lineno">
140</span>  ev_async msg_sig_;</div><div class="line"><a
name="l00141"></a><span class="lineno"> 141</span>  ev_io
socket_watcher_;</div><div class="line"><a name="l00142"></a><span
class="lineno"> 142</span>  <span class="keywordtype">int</span>
port_;</div><div class="line"><a name="l001
43"></a><span class="lineno"> 143</span>  <span
class="keywordtype">int</span> socket_fd_;</div><div class="line"><a
name="l00144"></a><span class="lineno"> 144</span>  std::thread
*thread_;</div><div class="line"><a name="l00145"></a><span class="lineno">
145</span>  std::unordered_map<int, ev_io>
fd_wwatcher_map_;</div><div class="line"><a name="l00146"></a><span
class="lineno"> 146</span>  std::unordered_map<int, ev_io>
fd_rwatcher_map_;</div><div class="line"><a name="l00147"></a><span
class="lineno"> 147</span>  std::unordered_map<int, EndPoint *>
fd_ep_map_;</div><div class="line"><a name="l00148"></a><span class="lineno">
148</span>  std::map<int, Message> pending_msgs_;</div><div
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149</span> </div><div class="line"><a name="l00150"></a><span
class="lineno"> 150</span>  <span class="keywordtype">void</span>
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152</span>  <span class="keywordtype">int</span> asyncSend(<span
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class="keywordtype">void</span> asyncSendPendingMsg(EndPoint *);</div><div
class="line"><a name="l00154"></a><span class="lineno"> 154</span> 
<span class="keywordtype">void</span> afterConnEst(EndPoint *ep, <span
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</span>:</div><div class="line"><a name="l00157"></a><span class="lineno">
157</span>  EndPointFactory *epf_;</div><div class="line"><a
name="l00158"></a><span class="lineno"> 158</span> </div><div
class="line"><a name="l00159"></a><span class="lineno"> 159</span> 
NetworkThread(<span class="keywordtype">int</span>);</div><div class="line"><a
name="l00160"></a><span class="lineno"> 160</span>  <span
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signal);</div><div class="line"><a name="l00161"></a><span class="lineno">
161</span> </div><div class="line"><a name="l00162"></a><span
class="lineno"> 162</span>  <span class="keywordtype">void</span>
onRecv(<span class="keywordtype">int</span> fd);</div><div class="line"><a
name="l00163"></a><span class="lineno"> 163</span>  <span
class="keywordtype">void</span> onSend(<span class="keywordtype">int</span> fd
= -1);</div><div class="line"><a name="l00164"></a><span
class="lineno"> 164</span>  <span class="keywordtype">void</span>
onConnEst(<span class="keywordtype">int</span> fd);</div><div class="line"><a
name="l00165"></a><span class="lineno"> 165</span>  <span
class="keywordtype">void</span> onNewEp();</div><div class="line"><a
name="l00166"></a><span class="lineno"> 166</span>  <span
class="keywordtype">void</span> onNewConn();</div><div class="line"><a
name="l00167"></a><span class="lineno"> 167</span>  <span
class="keywordtype">void</span> onTimeout(<span class="keyword">struct</span>
ev_timer *timer);</div><div class="line"><a name="l00168"></a><span
class="lineno"> 168</span> };</div><div class="line"><a
name="l00169"></a><span class="lineno"> 169</span> }</div><div
class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span
class="preprocessor">#endif // ENABLE_DIST</span></div><div class="line"><a
name="l00171"></a><span class="lineno"> 171</span> <span class="preproc
essor">#endif</span></div><div class="ttc" id="namespacesinga_html"><div
class="ttname"><a href="namespacesinga.html">singa</a></div><div
class="ttdoc">Licensed to the Apache Software Foundation (ASF) under one or
more contributor license agreements...</div><div
class="ttdef"><b>Definition:</b> common.h:48</div></div>
+</div><!-- fragment --></div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated on Mon Apr 22 2019 12:27:05 for Apache Singa by  <a
href="http://www.doxygen.org/index.html";>
+<img class="footer" src="doxygen.png" alt="doxygen"/>
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Added: incubator/singa/site/trunk/doxygen/html/open.png
URL:
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==============================================================================
--- incubator/singa/site/trunk/doxygen/html/opencl__utils_8h_source.html (added)
+++ incubator/singa/site/trunk/doxygen/html/opencl__utils_8h_source.html Mon
Apr 22 10:37:18 2019
@@ -0,0 +1,78 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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+<html xmlns="http://www.w3.org/1999/xhtml";>
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+<meta name="generator" content="Doxygen 1.8.13"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Apache Singa:
/home/moaz/incubator-singa/include/singa/utils/opencl_utils.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">Apache Singa
+ </div>
+ <div id="projectbrief">A General Distributed Deep Learning Library</div>
+ </td>
+ </tr>
+ </tbody>
+</table>
+</div>
+<!-- end header part -->
+<!-- Generated by Doxygen 1.8.13 -->
+<script type="text/javascript">
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+ onmouseout="return searchBox.OnSearchSelectHide()"
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+</div>
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+<!-- 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_14a988756d30161f7e1f48b05d03905d.html">singa</a></li><li
class="navelem"><a class="el"
href="dir_54125cd652f9635a64a4101de1b8704d.html">utils</a></li> </ul>
+</div>
+</div><!-- top -->
+<div class="header">
+ <div class="headertitle">
+<div class="title">opencl_utils.h</div> </div>
+</div><!--header-->
+<div class="contents">
+<div class="fragment"><div class="line"><a name="l00001"></a><span
class="lineno"> 1</span> <span
class="comment">/************************************************************</span></div><div
class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span
class="comment">*</span></div><div class="line"><a name="l00003"></a><span
class="lineno"> 3</span> <span class="comment">* Licensed to the Apache
Software Foundation (ASF) under one</span></div><div class="line"><a
name="l00004"></a><span class="lineno"> 4</span> <span
class="comment">* or more contributor license agreements. See the NOTICE
file</span></div><div class="line"><a name="l00005"></a><span class="lineno">
5</span> <span class="comment">* distributed with this work for
additional information</span></div><div class="line"><a name="l00006"></a><span
class="lineno"> 6</span> <span class="comment">* regarding copyright
ownership. The ASF licenses this file</span></di
v><div class="line"><a name="l00007"></a><span class="lineno">
7</span> <span class="comment">* to you under the Apache License, Version
2.0 (the</span></div><div class="line"><a name="l00008"></a><span
class="lineno"> 8</span> <span class="comment">* "License");
you may not use this file except in compliance</span></div><div class="line"><a
name="l00009"></a><span class="lineno"> 9</span> <span
class="comment">* with the License. You may obtain a copy of the License
at</span></div><div class="line"><a name="l00010"></a><span class="lineno">
10</span> <span class="comment">*</span></div><div class="line"><a
name="l00011"></a><span class="lineno"> 11</span> <span
class="comment">* http://www.apache.org/licenses/LICENSE-2.0</span></div><div
class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span
class="comment">*</span></div><div class="line"><a name="l00013"></a><span
class="lineno"> 13</span> <span clas
s="comment">* Unless required by applicable law or agreed to in
writing,</span></div><div class="line"><a name="l00014"></a><span
class="lineno"> 14</span> <span class="comment">* software distributed
under the License is distributed on an</span></div><div class="line"><a
name="l00015"></a><span class="lineno"> 15</span> <span
class="comment">* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
ANY</span></div><div class="line"><a name="l00016"></a><span class="lineno">
16</span> <span class="comment">* KIND, either express or implied. See
the License for the</span></div><div class="line"><a name="l00017"></a><span
class="lineno"> 17</span> <span class="comment">* specific language
governing permissions and limitations</span></div><div class="line"><a
name="l00018"></a><span class="lineno"> 18</span> <span
class="comment">* under the License.</span></div><div class="line"><a
name="l00019"></a><span class="lineno"> 19</span> <span
class="comment">*</span></div><div class="line"><a name="l00020"></a><span
class="lineno"> 20</span> <span
class="comment">*************************************************************/</span></div><div
class="line"><a name="l00021"></a><span class="lineno">
21</span> </div><div class="line"><a name="l00022"></a><span
class="lineno"> 22</span> <span class="preprocessor">#ifndef
SINGA_UTILS_OPENCL_UTILS_H_</span></div><div class="line"><a
name="l00023"></a><span class="lineno"> 23</span> <span
class="preprocessor">#define SINGA_UTILS_OPENCL_UTILS_H_</span></div><div
class="line"><a name="l00024"></a><span class="lineno">
24</span> </div><div class="line"><a name="l00025"></a><span
class="lineno"> 25</span> <span class="preprocessor">#ifdef
USE_OPENCL</span></div><div class="line"><a name="l00026"></a><span
class="lineno"> 26</span> </div><div class="line"><a
name="l00027"></a><span class="lineno"> 27</span> <span class="preproce
ssor">#define CL_USE_DEPRECATED_OPENCL_1_2_APIS</span></div><div
class="line"><a name="l00028"></a><span class="lineno">
28</span> </div><div class="line"><a name="l00029"></a><span
class="lineno"> 29</span> <span class="preprocessor">#define
CL_HPP_MINIMUM_OPENCL_VERSION 120</span></div><div class="line"><a
name="l00030"></a><span class="lineno"> 30</span> <span
class="preprocessor">#define CL_HPP_TARGET_OPENCL_VERSION 120</span></div><div
class="line"><a name="l00031"></a><span class="lineno">
31</span> </div><div class="line"><a name="l00032"></a><span
class="lineno"> 32</span> <span class="preprocessor">#ifndef
VIENNACL_WITH_OPENCL</span></div><div class="line"><a name="l00033"></a><span
class="lineno"> 33</span> <span class="preprocessor"> #define
VIENNACL_WITH_OPENCL</span></div><div class="line"><a name="l00034"></a><span
class="lineno"> 34</span> <span
class="preprocessor">#endif</span></div><div class="line"><a name="l00035"
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>class="line"><a name="l00038"></a><span class="lineno">
>38</span> <span class="preprocessor">#else</span></div><div
>class="line"><a name="l00039"></a><span class="lineno">
>39</span> <span class="preprocessor"> #include
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>42</span> <span class="preprocessor">#include
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a name="l00043"></a><span class="lineno"> 43</span> </div><div
class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span
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name="l00046"></a><span class="lineno"> 46</span> <span
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name="l00048"></a><span class="lineno"> 48</span> <span
class="preprocessor">#include <viennacl/ocl/utils.hpp></span></div><div
class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span
class="preprocessor">#include <viennacl/ocl/pro
gram.hpp></span></div><div class="line"><a name="l00050"></a><span
class="lineno"> 50</span> <span class="preprocessor">#include
<viennacl/ocl/kernel.hpp></span></div><div class="line"><a
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viennacl::ocl::handle<cl_mem></div><div class="line"><a
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{</div><div class="line"><a name="l00056"></a><span class="lineno">
56</span>  viennacl::ocl::handle<cl_mem> memhandle(in,
ctx);</div><div class="line"><a name="l00057"></a><
span class="lineno"> 57</span>  memhandle.inc();</div><div
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name="l00059"></a><span class="lineno"> 59</span>  } <span
class="keywordflow">else</span> {</div><div class="line"><a
name="l00060"></a><span class="lineno"> 60</span>  cl_int
err;</div><div class="line"><a name="l00061"></a><span class="lineno">
61</span>  cl_mem dummy = clCreateBuffer(ctx.handle().get(),
CL_MEM_READ_WRITE, 0,</div><div class="line"><a name="l00062"></a><span
class="lineno"> 62</span>  <span
class="keyword">nullptr</span>, &err);</div><div class="line"><a
name="l00063"></a><span class="lineno"> 63</span> 
viennacl::ocl::handle<cl_mem> memhandle(dummy, ctx);</div><div
class="line"><a name="l00064"></a><span class="lineno"> 64</span> 
<span class="key
wordflow">return</span> memhandle;</div><div class="line"><a
name="l00065"></a><span class="lineno"> 65</span>  }</div><div
class="line"><a name="l00066"></a><span class="lineno">
66</span> }</div><div class="line"><a name="l00067"></a><span
class="lineno"> 67</span> </div><div class="line"><a
name="l00068"></a><span class="lineno"> 68</span> <span
class="preprocessor">#endif // USE_OPENCL</span></div><div class="line"><a
name="l00069"></a><span class="lineno"> 69</span> </div><div
class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span
class="preprocessor">#endif //
SINGA_UTILS_OPENCL_UTILS_H_</span></div></div><!-- fragment --></div><!--
contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated on Mon Apr 22 2019 12:27:05 for Apache Singa by  <a
href="http://www.doxygen.org/index.html";>
+<img class="footer" src="doxygen.png" alt="doxygen"/>
+</a> 1.8.13
+</small></address>
+</body>
+</html>
Added: incubator/singa/site/trunk/doxygen/html/optimizer_8h_source.html
URL:
http://svn.apache.org/viewvc/incubator/singa/site/trunk/doxygen/html/optimizer_8h_source.html?rev=1857944&view=auto
==============================================================================
--- incubator/singa/site/trunk/doxygen/html/optimizer_8h_source.html (added)
+++ incubator/singa/site/trunk/doxygen/html/optimizer_8h_source.html Mon Apr 22
10:37:18 2019
@@ -0,0 +1,93 @@
+<!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";>
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+<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>Apache Singa:
/home/moaz/incubator-singa/include/singa/model/optimizer.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">Apache Singa
+ </div>
+ <div id="projectbrief">A General Distributed Deep Learning Library</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');
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+<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 -->
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+ onmouseover="return searchBox.OnSearchSelectShow()"
+ onmouseout="return searchBox.OnSearchSelectHide()"
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+</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_14a988756d30161f7e1f48b05d03905d.html">singa</a></li><li
class="navelem"><a class="el"
href="dir_1ed15e94f94d348ba7de93ac6315cc91.html">model</a></li> </ul>
+</div>
+</div><!-- top -->
+<div class="header">
+ <div class="headertitle">
+<div class="title">optimizer.h</div> </div>
+</div><!--header-->
+<div class="contents">
+<div class="fragment"><div class="line"><a name="l00001"></a><span
class="lineno"> 1</span> </div><div class="line"><a
name="l00019"></a><span class="lineno"> 19</span> <span
class="preprocessor">#ifndef SINGA_MODEL_OPTIMIZER_H_</span></div><div
class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span
class="preprocessor">#define SINGA_MODEL_OPTIMIZER_H_</span></div><div
class="line"><a name="l00021"></a><span class="lineno">
21</span> </div><div class="line"><a name="l00022"></a><span
class="lineno"> 22</span> <span class="preprocessor">#include
<string></span></div><div class="line"><a name="l00023"></a><span
class="lineno"> 23</span> <span class="preprocessor">#include
<unordered_map></span></div><div class="line"><a name="l00024"></a><span
class="lineno"> 24</span> <span class="preprocessor">#include
<vector></span></div><div class="line"><a name="l00025"></a><span
class="lineno"> 25</span> 
;</div><div class="line"><a name="l00026"></a><span class="lineno">
26</span> <span class="preprocessor">#include
"singa/core/tensor.h"</span></div><div class="line"><a
name="l00027"></a><span class="lineno"> 27</span> <span
class="preprocessor">#include
"singa/proto/model.pb.h"</span></div><div class="line"><a
name="l00028"></a><span class="lineno"> 28</span> </div><div
class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span
class="keyword">using</span> std::string;</div><div class="line"><a
name="l00030"></a><span class="lineno"> 30</span> <span
class="keyword">using</span> std::vector;</div><div class="line"><a
name="l00031"></a><span class="lineno"> 31</span> <span
class="keyword">using</span> std::unordered_map;</div><div class="line"><a
name="l00032"></a><span class="lineno"> 32</span> <span
class="keyword">namespace </span><a class="code"
href="namespacesinga.html">singa</a> {</div><div class
="line"><a name="l00033"></a><span class="lineno"> 33</span> <span
class="keyword">class </span>Constraint;</div><div class="line"><a
name="l00034"></a><span class="lineno"> 34</span> <span
class="keyword">class </span>Regularizer;</div><div class="line"><a
name="l00041"></a><span class="lineno"><a class="line"
href="classsinga_1_1Optimizer.html"> 41</a></span> <span
class="keyword">class </span><a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a> {</div><div class="line"><a
name="l00042"></a><span class="lineno"> 42</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00043"></a><span class="lineno"> 43</span>  <a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a>() = <span
class="keywordflow">default</span>;</div><div class="line"><a
name="l00044"></a><span class="lineno"> 44</span>  <span
class="keyword">virtual</span> ~<a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a>();
</div><div class="line"><a name="l00047"></a><span class="lineno"><a
class="line"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">
47</a></span>  <span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> <span class="keywordtype">string</span>& str)
{</div><div class="line"><a name="l00048"></a><span class="lineno">
48</span>  OptimizerConf conf;</div><div class="line"><a
name="l00049"></a><span class="lineno"> 49</span> 
conf.ParseFromString(str);</div><div class="line"><a name="l00050"></a><span
class="lineno"> 50</span>  this-><a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(conf);</div><div
class="line"><a name="l00051"></a><span class="lineno"> 51</span> 
}</div><div class="line"><a name="l00052"></a><span class="lineno">
52</span> </div><div
class="line"><a name="l00054"></a><span class="lineno"> 54</span> 
<span class="keyword">virtual</span> <span class="keywordtype">void</span> <a
class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> OptimizerConf& conf);</div><div
class="line"><a name="l00058"></a><span class="lineno"> 58</span> 
<span class="keyword">virtual</span> <span class="keywordtype">void</span> <a
class="code"
href="classsinga_1_1Optimizer.html#a6385d176ba3b2bf744221f8801291f3e">Register</a>(<span
class="keyword">const</span> <span class="keywordtype">string</span>&
name, <span class="keyword">const</span> ParamSpec& specs);</div><div
class="line"><a name="l00059"></a><span class="lineno">
59</span> </div><div class="line"><a name="l00060"></a><span
class="lineno"> 60</span> </div><div class="line"><a
name="l00061"></a><span class="lineno"> 61</span>  <span
class="keyword">virtual</sp
an> <span class="keywordtype">void</span> ApplyRegularizerConstraint(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span> <span
class="keywordtype">string</span>& name,</div><div class="line"><a
name="l00062"></a><span class="lineno"> 62</span>  <span
class="keyword">const</span> <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& value, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad, <span
class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00063"></a><span class="lineno"> 63</span> </div><div
class="line"><a name="l00069"></a><span class="lineno"> 69</span> 
<span class="keyword">virtual</span> <span class="keywordtype">void</span> <a
class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keywordtype">float</span>
lr, <span class="keyword">const</span> <span class="keyword
type">string</span>& name,</div><div class="line"><a
name="l00070"></a><span class="lineno"> 70</span> 
<a class="code" href="classsinga_1_1Tensor.html">Tensor</a>& grad, <a
class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value, <span
class="keywordtype">int</span> step = -1) = 0;</div><div class="line"><a
name="l00071"></a><span class="lineno"> 71</span> </div><div
class="line"><a name="l00076"></a><span class="lineno"> 76</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span> <span
class="keywordtype">string</span>& name, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& value,</div><div
class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <
span class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00078"></a><span class="lineno"> 78</span> </div><div
class="line"><a name="l00081"></a><span class="lineno"><a class="line"
href="classsinga_1_1Optimizer.html#a2f3ba1fe776cdf373565b0cf208bf540">
81</a></span>  <span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a2f3ba1fe776cdf373565b0cf208bf540">SetLearningRateGenerator</a>(<span
class="keyword">function</span><<span
class="keywordtype">float</span>(<span class="keywordtype">int</span>)>
func) {</div><div class="line"><a name="l00082"></a><span class="lineno">
82</span>  learning_rate_generator_ = func;</div><div class="line"><a
name="l00083"></a><span class="lineno"> 83</span>  }</div><div
class="line"><a name="l00084"></a><span class="lineno"> 84</span> 
<span class="keywordtype">float</span> GetLearningRate(<span
class="keywordtype">int</span> step) {</div><div class
="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span
class="keywordflow">if</span> (learning_rate_generator_)</div><div
class="line"><a name="l00086"></a><span class="lineno"> 86</span> 
<span class="keywordflow">return</span>
learning_rate_generator_(step);</div><div class="line"><a
name="l00087"></a><span class="lineno"> 87</span>  <span
class="keywordflow">else</span></div><div class="line"><a
name="l00088"></a><span class="lineno"> 88</span>  <span
class="keywordflow">return</span> 0;</div><div class="line"><a
name="l00089"></a><span class="lineno"> 89</span>  }</div><div
class="line"><a name="l00090"></a><span class="lineno">
90</span> </div><div class="line"><a name="l00091"></a><span
class="lineno"> 91</span>  <span
class="keyword">protected</span>:</div><div class="line"><a
name="l00092"></a><span class="lineno"> 92</span> 
function<float(int)> learning_rate_generator_;</div><div c
lass="line"><a name="l00093"></a><span class="lineno"> 93</span> 
std::unordered_map<std::string, float>
learning_rate_multplier_;</div><div class="line"><a name="l00094"></a><span
class="lineno"> 94</span>  std::unordered_map<std::string,
Constraint*> constraints_;</div><div class="line"><a name="l00095"></a><span
class="lineno"> 95</span>  std::unordered_map<std::string,
Regularizer*> regularizers_;</div><div class="line"><a
name="l00096"></a><span class="lineno"> 96</span>  <a class="code"
href="classsinga_1_1Constraint.html">Constraint</a>* constraint_ = <span
class="keyword">nullptr</span>;</div><div class="line"><a
name="l00097"></a><span class="lineno"> 97</span>  <a class="code"
href="classsinga_1_1Regularizer.html">Regularizer</a>* regularizer_ = <span
class="keyword">nullptr</span>;</div><div class="line"><a
name="l00098"></a><span class="lineno"> 98</span> </div><div
class="line"><a name="l00099"></a><span c
lass="lineno"> 99</span>  OptimizerConf conf_;</div><div
class="line"><a name="l00100"></a><span class="lineno">
100</span> };</div><div class="line"><a name="l00101"></a><span
class="lineno"> 101</span> </div><div class="line"><a
name="l00106"></a><span class="lineno"><a class="line"
href="classsinga_1_1Constraint.html"> 106</a></span> <span
class="keyword">class </span><a class="code"
href="classsinga_1_1Constraint.html">Constraint</a> {</div><div class="line"><a
name="l00107"></a><span class="lineno"> 107</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00108"></a><span class="lineno"> 108</span>  <a class="code"
href="classsinga_1_1Constraint.html">Constraint</a>() = <span
class="keywordflow">default</span>;</div><div class="line"><a
name="l00109"></a><span class="lineno"> 109</span>  <span
class="keyword">explicit</span> <a class="code"
href="classsinga_1_1Constraint.html">Constraint</a>(<span class="key
word">const</span> ConstraintConf& conf) { <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(conf);
}</div><div class="line"><a name="l00110"></a><span class="lineno">
110</span>  <a class="code"
href="classsinga_1_1Constraint.html">Constraint</a>(<span
class="keyword">const</span> <span class="keywordtype">string</span>& type,
<span class="keywordtype">float</span> threshold)</div><div class="line"><a
name="l00111"></a><span class="lineno"> 111</span>  : type_(type),
threshold_(threshold) {}</div><div class="line"><a name="l00112"></a><span
class="lineno"> 112</span>  <span class="keywordtype">void</span> <a
class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> ConstraintConf& conf);</div><div
class="line"><a name="l00113"></a><span class="lineno"> 113</span> 
<span class="keywordtype">void</span> <a class="code" href="c
lasssinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> <span class="keywordtype">string</span>&
conf_str) {</div><div class="line"><a name="l00114"></a><span class="lineno">
114</span>  ConstraintConf conf;</div><div class="line"><a
name="l00115"></a><span class="lineno"> 115</span> 
conf.ParseFromString(conf_str);</div><div class="line"><a
name="l00116"></a><span class="lineno"> 116</span>  <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(conf);</div><div
class="line"><a name="l00117"></a><span class="lineno"> 117</span> 
}</div><div class="line"><a name="l00122"></a><span class="lineno">
122</span>  <span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span> <a
class="code" href="classsin
ga_1_1Tensor.html">Tensor</a>& value, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad, <span
class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00125"></a><span class="lineno"> 125</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span>
vector<Tensor>& values,</div><div class="line"><a
name="l00126"></a><span class="lineno"> 126</span>  <span
class="keyword">const</span> vector<Tensor>& grads, <span
class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00127"></a><span class="lineno"> 127</span> </div><div
class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span
class="keyword">private</span>:</div><div class="line"><a
name="l00133"></a><span class="lineno"> 133</span> 
<span class="keywordtype">string</span> type_ = <span
class="stringliteral">"Unknown"</span>;</div><div class="line"><a
name="l00134"></a><span class="lineno"> 134</span>  <span
class="keywordtype">float</span> threshold_;</div><div class="line"><a
name="l00135"></a><span class="lineno"> 135</span> };</div><div
class="line"><a name="l00136"></a><span class="lineno">
136</span> </div><div class="line"><a name="l00137"></a><span
class="lineno"> 137</span> <span class="keyword">inline</span>
std::shared_ptr<Constraint> CreateConstraint(std::string type)
{</div><div class="line"><a name="l00138"></a><span class="lineno">
138</span>  <span class="keywordflow">return</span>
std::make_shared<Constraint>();</div><div class="line"><a
name="l00139"></a><span class="lineno"> 139</span> }</div><div
class="line"><a name="l00142"></a><span class="lineno"><a class="line"
href="classsinga_1_1Regularizer.html"> 142</a></span> <span c
lass="keyword">class </span><a class="code"
href="classsinga_1_1Regularizer.html">Regularizer</a> {</div><div
class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00144"></a><span class="lineno"> 144</span>  <a class="code"
href="classsinga_1_1Regularizer.html">Regularizer</a>() = <span
class="keywordflow">default</span>;</div><div class="line"><a
name="l00145"></a><span class="lineno"> 145</span>  <span
class="keyword">explicit</span> <a class="code"
href="classsinga_1_1Regularizer.html">Regularizer</a>(<span
class="keyword">const</span> RegularizerConf& conf) { <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(conf);
}</div><div class="line"><a name="l00146"></a><span class="lineno">
146</span>  <a class="code"
href="classsinga_1_1Regularizer.html">Regularizer</a>(<span
class="keyword">const</span> <span class="keywordtyp
e">string</span>& type, <span class="keywordtype">float</span>
coefficient)</div><div class="line"><a name="l00147"></a><span class="lineno">
147</span>  : type_(type), coefficient_(coefficient) {}</div><div
class="line"><a name="l00148"></a><span class="lineno"> 148</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> RegularizerConf& conf);</div><div
class="line"><a name="l00149"></a><span class="lineno"> 149</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> <span class="keywordtype">string</span>&
conf_str) {</div><div class="line"><a name="l00150"></a><span class="lineno">
150</span>  RegularizerConf conf;</div><div class="line"><a
name="l00151"></a><span class="lineno"> 151</span> 
; conf.ParseFromString(conf_str);</div><div class="line"><a
name="l00152"></a><span class="lineno"> 152</span>  <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(conf);</div><div
class="line"><a name="l00153"></a><span class="lineno"> 153</span> 
}</div><div class="line"><a name="l00154"></a><span class="lineno">
154</span> </div><div class="line"><a name="l00159"></a><span
class="lineno"> 159</span>  <span class="keywordtype">void</span> <a
class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span> <a
class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value, <a
class="code" href="classsinga_1_1Tensor.html">Tensor</a>& grad, <span
class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00162"></a><span class="lineno"> 162</span>  <span
class="keywordtype
">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keyword">const</span>
vector<Tensor>& values,</div><div class="line"><a
name="l00163"></a><span class="lineno"> 163</span>  <span
class="keyword">const</span> vector<Tensor>& grads, <span
class="keywordtype">int</span> step = -1);</div><div class="line"><a
name="l00164"></a><span class="lineno"> 164</span> </div><div
class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span
class="keyword">private</span>:</div><div class="line"><a
name="l00168"></a><span class="lineno"> 168</span>  <span
class="keywordtype">string</span> type_ = <span
class="stringliteral">"NotSet"</span>;</div><div class="line"><a
name="l00169"></a><span class="lineno"> 169</span>  <span
class="keywordtype">float</span> coefficient_;</div><div class="line"><a nam
e="l00170"></a><span class="lineno"> 170</span> };</div><div
class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span
class="keyword">inline</span> std::shared_ptr<Regularizer>
CreateRegularizer(std::string type) {</div><div class="line"><a
name="l00172"></a><span class="lineno"> 172</span>  <span
class="keywordflow">return</span>
std::make_shared<Regularizer>();</div><div class="line"><a
name="l00173"></a><span class="lineno"> 173</span> }</div><div
class="line"><a name="l00174"></a><span class="lineno">
174</span> </div><div class="line"><a name="l00175"></a><span
class="lineno"> 175</span> </div><div class="line"><a
name="l00176"></a><span class="lineno"> 176</span> </div><div
class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span
class="comment">// =============Vallina SGD with
Momentum=====================================</span></div><div class="line"><a
name="l00178"></a><span class=
"lineno"><a class="line" href="classsinga_1_1SGD.html">
178</a></span> <span class="keyword">class </span><a class="code"
href="classsinga_1_1SGD.html">SGD</a> : <span class="keyword">public</span> <a
class="code" href="classsinga_1_1Optimizer.html">Optimizer</a> {</div><div
class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00180"></a><span class="lineno"> 180</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> OptimizerConf& conf);</div><div
class="line"><a name="l00182"></a><span class="lineno"> 182</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keywordtype">float</span>
lr, <span class="keywo
rd">const</span> <span class="keywordtype">string</span>& name, <a
class="code" href="classsinga_1_1Tensor.html">Tensor</a>& grad,</div><div
class="line"><a name="l00183"></a><span class="lineno"> 183</span> 
<a class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value,
<span class="keywordtype">int</span> step = -1) <span
class="keyword">override</span>;</div><div class="line"><a
name="l00184"></a><span class="lineno"> 184</span> </div><div
class="line"><a name="l00187"></a><span class="lineno"><a class="line"
href="classsinga_1_1SGD.html#a70d7de98ba845ff4deb46f0e1301a34c">
187</a></span>  <span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1SGD.html#a70d7de98ba845ff4deb46f0e1301a34c">SetMomentumGenerator</a>(std::function<<span
class="keywordtype">float</span>(<span class="keywordtype">int</span>)>
func) {</div><div class="line"><a name="l00188"></a><span class="lineno">
188</span>  momentum_gener
ator_ = func;</div><div class="line"><a name="l00189"></a><span
class="lineno"> 189</span>  }</div><div class="line"><a
name="l00190"></a><span class="lineno"> 190</span> </div><div
class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span
class="keyword">private</span>:</div><div class="line"><a
name="l00192"></a><span class="lineno"> 192</span> 
std::unordered_map<string, Tensor> history_gradient_;</div><div
class="line"><a name="l00193"></a><span class="lineno"> 193</span> 
std::function<float(int)> momentum_generator_;</div><div class="line"><a
name="l00194"></a><span class="lineno"> 194</span> };</div><div
class="line"><a name="l00195"></a><span class="lineno">
195</span> </div><div class="line"><a name="l00196"></a><span
class="lineno"> 196</span> <span class="comment">//
=============Nesterov======================================================</span></div><div
class="line"><a name="l00197"></a><s
pan class="lineno"><a class="line" href="classsinga_1_1Nesterov.html">
197</a></span> <span class="keyword">class </span><a class="code"
href="classsinga_1_1Nesterov.html">Nesterov</a> : <span
class="keyword">public</span> <a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a> {</div><div class="line"><a
name="l00198"></a><span class="lineno"> 198</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00199"></a><span class="lineno"> 199</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> OptimizerConf& conf);</div><div
class="line"><a name="l00201"></a><span class="lineno"> 201</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keywordtype">float</spa
n> lr, <span class="keyword">const</span> <span
class="keywordtype">string</span>& name, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad,</div><div
class="line"><a name="l00202"></a><span class="lineno"> 202</span> 
<a class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value,
<span class="keywordtype">int</span> step = -1) <span
class="keyword">override</span>;</div><div class="line"><a
name="l00203"></a><span class="lineno"> 203</span> </div><div
class="line"><a name="l00206"></a><span class="lineno"><a class="line"
href="classsinga_1_1Nesterov.html#a2ffcfb0b5c20aeaa7af40254bcf85396">
206</a></span>  <span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Nesterov.html#a2ffcfb0b5c20aeaa7af40254bcf85396">SetMomentumGenerator</a>(std::function<<span
class="keywordtype">float</span>(<span class="keywordtype">int</span>)>
func) {</div><div class="line"><a name="l00207"></a><span class="lineno">
207</span>  momentum_generator_ = func;</div><div class="line"><a
name="l00208"></a><span class="lineno"> 208</span>  }</div><div
class="line"><a name="l00209"></a><span class="lineno">
209</span> </div><div class="line"><a name="l00210"></a><span
class="lineno"> 210</span>  <span
class="keyword">private</span>:</div><div class="line"><a
name="l00211"></a><span class="lineno"> 211</span> 
std::unordered_map<string, Tensor> history_gradient_;</div><div
class="line"><a name="l00212"></a><span class="lineno"> 212</span> 
std::function<float(int)> momentum_generator_;</div><div class="line"><a
name="l00213"></a><span class="lineno"> 213</span> };</div><div
class="line"><a name="l00214"></a><span class="lineno">
214</span> </div><div class="line"><a name="l00215"></a><span
class="lineno"> 215</span> <span class="comment">//
=============Adagrad=======================================================</span></div><div
c
lass="line"><a name="l00216"></a><span class="lineno"><a class="line"
href="classsinga_1_1AdaGrad.html"> 216</a></span> <span
class="keyword">class </span><a class="code"
href="classsinga_1_1AdaGrad.html">AdaGrad</a> : <span
class="keyword">public</span> <a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a> {</div><div class="line"><a
name="l00217"></a><span class="lineno"> 217</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00218"></a><span class="lineno"> 218</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> OptimizerConf& conf);</div><div
class="line"><a name="l00220"></a><span class="lineno"> 220</span> 
<span class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <spa
n class="keywordtype">float</span> lr, <span class="keyword">const</span>
<span class="keywordtype">string</span>& name, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad,</div><div
class="line"><a name="l00221"></a><span class="lineno"> 221</span> 
<a class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value,
<span class="keywordtype">int</span> step = -1) <span
class="keyword">override</span>;</div><div class="line"><a
name="l00222"></a><span class="lineno"> 222</span> </div><div
class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span
class="keyword">private</span>:</div><div class="line"><a
name="l00224"></a><span class="lineno"> 224</span> 
std::unordered_map<string, Tensor> history_gradient_;</div><div
class="line"><a name="l00225"></a><span class="lineno"> 225</span> 
<span class="keywordtype">float</span> delta_;</div><div class="line"><a
name="l00226"></a><span class="lineno
"> 226</span> };</div><div class="line"><a name="l00227"></a><span
class="lineno"> 227</span> <span class="comment">//
=============RMSProp=======================================================</span></div><div
class="line"><a name="l00228"></a><span class="lineno"><a class="line"
href="classsinga_1_1RMSProp.html"> 228</a></span> <span
class="keyword">class </span><a class="code"
href="classsinga_1_1RMSProp.html">RMSProp</a> : <span
class="keyword">public</span> <a class="code"
href="classsinga_1_1Optimizer.html">Optimizer</a> {</div><div class="line"><a
name="l00229"></a><span class="lineno"> 229</span>  <span
class="keyword">public</span>:</div><div class="line"><a
name="l00230"></a><span class="lineno"> 230</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">Setup</a>(<span
class="keyword">const</span> OptimizerConf& conf);</div><div
class="line"><a name="l00232"></
a><span class="lineno"> 232</span>  <span
class="keywordtype">void</span> <a class="code"
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">Apply</a>(<span
class="keywordtype">int</span> epoch, <span class="keywordtype">float</span>
lr, <span class="keyword">const</span> <span
class="keywordtype">string</span>& name, <a class="code"
href="classsinga_1_1Tensor.html">Tensor</a>& grad,</div><div
class="line"><a name="l00233"></a><span class="lineno"> 233</span> 
<a class="code" href="classsinga_1_1Tensor.html">Tensor</a>& value,
<span class="keywordtype">int</span> step = -1) <span
class="keyword">override</span>;</div><div class="line"><a
name="l00234"></a><span class="lineno"> 234</span>  <span
class="keyword">virtual</span> ~<a class="code"
href="classsinga_1_1RMSProp.html">RMSProp</a>() = <span
class="keywordflow">default</span>;</div><div class="line"><a
name="l00235"></a><span class="lineno"> 235</span> </div><
div class="line"><a name="l00236"></a><span class="lineno"> 236</span> 
<span class="keyword">private</span>:</div><div class="line"><a
name="l00237"></a><span class="lineno"> 237</span> 
std::unordered_map<string, Tensor> history_gradient_;</div><div
class="line"><a name="l00238"></a><span class="lineno"> 238</span> 
<span class="keywordtype">float</span> delta_, rho_;</div><div class="line"><a
name="l00239"></a><span class="lineno"> 239</span> };</div><div
class="line"><a name="l00240"></a><span class="lineno">
240</span> </div><div class="line"><a name="l00241"></a><span
class="lineno"> 241</span> </div><div class="line"><a
name="l00242"></a><span class="lineno"> 242</span> <span
class="keyword">inline</span> std::shared_ptr<Optimizer>
CreateOptimizer(<span class="keyword">const</span> <span
class="keywordtype">string</span>& type) {</div><div class="line"><a
name="l00243"></a><span class="lineno"> 243</span>  std
::shared_ptr<Optimizer> opt;</div><div class="line"><a
name="l00244"></a><span class="lineno"> 244</span>  <span
class="keywordflow">if</span> (type == <span
class="stringliteral">"SGD"</span>)</div><div class="line"><a
name="l00245"></a><span class="lineno"> 245</span>  opt =
std::shared_ptr<Optimizer>(<span class="keyword">new</span> <a
class="code" href="classsinga_1_1SGD.html">SGD</a>());</div><div
class="line"><a name="l00246"></a><span class="lineno"> 246</span> 
<span class="keywordflow">else</span> <span class="keywordflow">if</span> (type
== <span class="stringliteral">"RMSProp"</span>)</div><div
class="line"><a name="l00247"></a><span class="lineno"> 247</span> 
opt = std::shared_ptr<Optimizer>(<span class="keyword">new</span> <a
class="code" href="classsinga_1_1RMSProp.html">RMSProp</a>());</div><div
class="line"><a name="l00248"></a><span class="lineno"> 248</span> 
<span class="keywordflow">el
se</span> <span class="keywordflow">if</span> (type == <span
class="stringliteral">"AdaGrad"</span>)</div><div class="line"><a
name="l00249"></a><span class="lineno"> 249</span>  opt =
std::shared_ptr<Optimizer>(<span class="keyword">new</span> <a
class="code" href="classsinga_1_1AdaGrad.html">AdaGrad</a>());</div><div
class="line"><a name="l00250"></a><span class="lineno"> 250</span> 
<span class="keywordflow">else</span> <span class="keywordflow">if</span> (type
== <span class="stringliteral">"Nesterov"</span>)</div><div
class="line"><a name="l00251"></a><span class="lineno"> 251</span> 
opt = std::shared_ptr<Optimizer>(<span class="keyword">new</span> <a
class="code" href="classsinga_1_1Nesterov.html">Nesterov</a>());</div><div
class="line"><a name="l00252"></a><span class="lineno"> 252</span> 
<span class="keywordflow">else</span></div><div class="line"><a
name="l00253"></a><span class="lineno"> 253</span> 
LOG(FATAL) << <span class="stringliteral">"Unknown optimizer type
: "</span> << type;</div><div class="line"><a
name="l00254"></a><span class="lineno"> 254</span>  <span
class="keywordflow">return</span> opt;</div><div class="line"><a
name="l00255"></a><span class="lineno"> 255</span> }</div><div
class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span
class="comment">// ============LocalAllReduce for single node multiple workers
==============</span></div><div class="line"><a name="l00263"></a><span
class="lineno"> 263</span> <span class="comment"></span><span
class="comment">/*</span></div><div class="line"><a name="l00264"></a><span
class="lineno"> 264</span> <span class="comment">class LocalAllReduce :
public Optimizer{</span></div><div class="line"><a name="l00265"></a><span
class="lineno"> 265</span> <span class="comment">
pulbic:</span></div><div class="line"><a name="l00266"></a><span class="lineno">
266</span> <span class="comment"> LocalAllReduce(Optimizer*
opt);</span></div><div class="line"><a name="l00267"></a><span class="lineno">
267</span> <span class="comment"> void Setup(const string& str)
{</span></div><div class="line"><a name="l00268"></a><span class="lineno">
268</span> <span class="comment"> AllReduce conf;</span></div><div
class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span
class="comment"> conf.ParseFromString(str);</span></div><div class="line"><a
name="l00270"></a><span class="lineno"> 270</span> <span class="comment">
this->Setup(conf);</span></div><div class="line"><a
name="l00271"></a><span class="lineno"> 271</span> <span class="comment">
}</span></div><div class="line"><a name="l00272"></a><span class="lineno">
272</span> <span class="comment"> void Setup(const AllReduce& conf)
{}</span></div><div class="line"><a name="l00273"></a><span class="lineno">
273</span> 
;<span class="comment"></span></div><div class="line"><a
name="l00282"></a><span class="lineno"> 282</span> <span
class="comment">register the specs</span></div><div class="line"><a
name="l00284"></a><span class="lineno"> 284</span> <span class="comment">
void Register(const vector<string>& names,</span></div><div
class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span
class="comment"> const vector<Tensor>&
values,</span></div><div class="line"><a name="l00286"></a><span
class="lineno"> 286</span> <span class="comment"> const
vector<ParamSpecs>& specs) override;</span></div><div class="line"><a
name="l00287"></a><span class="lineno"> 287</span> <span
class="comment"></span></div><div class="line"><a name="l00293"></a><span
class="lineno"> 293</span> <span class="comment"> void Update(int step,
float lr, const string& name, const Tensor& grad,</span></div><div cl
ass="line"><a name="l00294"></a><span class="lineno"> 294</span> <span
class="comment"> Tensor* param) override;</span></div><div
class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span
class="comment"></span></div><div class="line"><a name="l00300"></a><span
class="lineno"> 300</span> <span class="comment"> boo
UpdateNow();</span></div><div class="line"><a name="l00301"></a><span
class="lineno"> 301</span> <span class="comment"></span></div><div
class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span
class="comment"> private:</span></div><div class="line"><a
name="l00303"></a><span class="lineno"> 303</span> <span class="comment">
int nb_workers_;</span></div><div class="line"><a name="l00304"></a><span
class="lineno"> 304</span> <span class="comment"> vector<Tensor>
aggregated_gradients_;</span></div><div class="line"><a name="l00305"></a><span
class="lineno"> 305</span> <span c
lass="comment">};</span></div><div class="line"><a name="l00306"></a><span
class="lineno"> 306</span> <span class="comment">*/</span></div><div
class="line"><a name="l00307"></a><span class="lineno">
307</span> }</div><div class="line"><a name="l00308"></a><span
class="lineno"> 308</span> <span class="preprocessor">#endif //
SINGA_MODEL_OPTIMIZER_H_</span></div><div class="ttc"
id="classsinga_1_1Optimizer_html_a98c129ff433c9faff924f17618126539"><div
class="ttname"><a
href="classsinga_1_1Optimizer.html#a98c129ff433c9faff924f17618126539">singa::Optimizer::Apply</a></div><div
class="ttdeci">virtual void Apply(int epoch, float lr, const string &name,
Tensor &grad, Tensor &value, int step=-1)=0</div><div
class="ttdoc">Apply the updating algorithm if the gradient is not empty.
</div></div>
+<div class="ttc" id="classsinga_1_1Tensor_html"><div class="ttname"><a
href="classsinga_1_1Tensor.html">singa::Tensor</a></div><div class="ttdoc">A
Tensor instance is a multi-dimensional array resident on a Device (default
device is the host CPU)...</div><div class="ttdef"><b>Definition:</b>
tensor.h:56</div></div>
+<div class="ttc" id="classsinga_1_1Constraint_html"><div class="ttname"><a
href="classsinga_1_1Constraint.html">singa::Constraint</a></div><div
class="ttdoc">Apply constraints for parameters (gradient). </div><div
class="ttdef"><b>Definition:</b> optimizer.h:106</div></div>
+<div class="ttc" id="classsinga_1_1Regularizer_html"><div class="ttname"><a
href="classsinga_1_1Regularizer.html">singa::Regularizer</a></div><div
class="ttdoc">Apply regularization for parameters (gradient), e.g., L1 norm and
L2 norm. </div><div class="ttdef"><b>Definition:</b> optimizer.h:142</div></div>
+<div class="ttc" id="classsinga_1_1Nesterov_html"><div class="ttname"><a
href="classsinga_1_1Nesterov.html">singa::Nesterov</a></div><div
class="ttdef"><b>Definition:</b> optimizer.h:197</div></div>
+<div class="ttc"
id="classsinga_1_1Nesterov_html_a2ffcfb0b5c20aeaa7af40254bcf85396"><div
class="ttname"><a
href="classsinga_1_1Nesterov.html#a2ffcfb0b5c20aeaa7af40254bcf85396">singa::Nesterov::SetMomentumGenerator</a></div><div
class="ttdeci">void SetMomentumGenerator(std::function< float(int)>
func)</div><div class="ttdoc">The argument function returns the momentum value
given the current running step (i.e., iterations/mini-batches). </div><div
class="ttdef"><b>Definition:</b> optimizer.h:206</div></div>
+<div class="ttc"
id="classsinga_1_1Optimizer_html_a6385d176ba3b2bf744221f8801291f3e"><div
class="ttname"><a
href="classsinga_1_1Optimizer.html#a6385d176ba3b2bf744221f8801291f3e">singa::Optimizer::Register</a></div><div
class="ttdeci">virtual void Register(const string &name, const ParamSpec
&specs)</div><div class="ttdoc">Register the parameter, e.g., create
Constraint and Regularizers. </div></div>
+<div class="ttc" id="classsinga_1_1RMSProp_html"><div class="ttname"><a
href="classsinga_1_1RMSProp.html">singa::RMSProp</a></div><div
class="ttdef"><b>Definition:</b> optimizer.h:228</div></div>
+<div class="ttc"
id="classsinga_1_1Optimizer_html_a2f3ba1fe776cdf373565b0cf208bf540"><div
class="ttname"><a
href="classsinga_1_1Optimizer.html#a2f3ba1fe776cdf373565b0cf208bf540">singa::Optimizer::SetLearningRateGenerator</a></div><div
class="ttdeci">void SetLearningRateGenerator(function< float(int)>
func)</div><div class="ttdoc">The argument is a function that returns the
learning rate given the current step (i.e., curren running iteration).
</div><div class="ttdef"><b>Definition:</b> optimizer.h:81</div></div>
+<div class="ttc"
id="classsinga_1_1SGD_html_a70d7de98ba845ff4deb46f0e1301a34c"><div
class="ttname"><a
href="classsinga_1_1SGD.html#a70d7de98ba845ff4deb46f0e1301a34c">singa::SGD::SetMomentumGenerator</a></div><div
class="ttdeci">void SetMomentumGenerator(std::function< float(int)>
func)</div><div class="ttdoc">The argument function returns the momentum value
given the current running step (i.e., iterations/mini-batches). </div><div
class="ttdef"><b>Definition:</b> optimizer.h:187</div></div>
+<div class="ttc"
id="classsinga_1_1Optimizer_html_ad0940567e5f2ac6ec99132f2c013c94a"><div
class="ttname"><a
href="classsinga_1_1Optimizer.html#ad0940567e5f2ac6ec99132f2c013c94a">singa::Optimizer::Setup</a></div><div
class="ttdeci">void Setup(const string &str)</div><div class="ttdoc">Setup
the optimzier using configurations from serialized string (for binding
languages). </div><div class="ttdef"><b>Definition:</b>
optimizer.h:47</div></div>
+<div class="ttc" id="namespacesinga_html"><div class="ttname"><a
href="namespacesinga.html">singa</a></div><div class="ttdoc">Licensed to the
Apache Software Foundation (ASF) under one or more contributor license
agreements...</div><div class="ttdef"><b>Definition:</b> common.h:48</div></div>
+<div class="ttc" id="classsinga_1_1SGD_html"><div class="ttname"><a
href="classsinga_1_1SGD.html">singa::SGD</a></div><div
class="ttdef"><b>Definition:</b> optimizer.h:178</div></div>
+<div class="ttc" id="classsinga_1_1Optimizer_html"><div class="ttname"><a
href="classsinga_1_1Optimizer.html">singa::Optimizer</a></div><div
class="ttdoc">The base class for gradient descent algorithms used to update the
model parameters in order to optimi...</div><div
class="ttdef"><b>Definition:</b> optimizer.h:41</div></div>
+<div class="ttc" id="classsinga_1_1AdaGrad_html"><div class="ttname"><a
href="classsinga_1_1AdaGrad.html">singa::AdaGrad</a></div><div
class="ttdef"><b>Definition:</b> optimizer.h:216</div></div>
+</div><!-- fragment --></div><!-- contents -->
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