blob: 67fa2b94b9c10cba992906a14e6f1f9304f032e6 [file] [log] [blame]
Ryan OSheade36e4a2020-03-13 16:26:19 +00001<!-- Copyright (c) 2020 ARM Limited. -->
2<!-- -->
3<!-- SPDX-License-Identifier: MIT -->
4<!-- -->
5<!-- HTML header for doxygen 1.8.13-->
6<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
7<html xmlns="http://www.w3.org/1999/xhtml">
8<head>
9<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
10<meta http-equiv="X-UA-Compatible" content="IE=9"/>
11<meta name="generator" content="Doxygen 1.8.13"/>
12<meta name="robots" content="NOINDEX, NOFOLLOW" />
13<meta name="viewport" content="width=device-width, initial-scale=1"/>
14<title>ArmNN: QSymmS8QuantizationScheme Struct Reference</title>
15<link href="tabs.css" rel="stylesheet" type="text/css"/>
16<script type="text/javascript" src="jquery.js"></script>
17<script type="text/javascript" src="dynsections.js"></script>
18<link href="navtree.css" rel="stylesheet" type="text/css"/>
19<script type="text/javascript" src="resize.js"></script>
20<script type="text/javascript" src="navtreedata.js"></script>
21<script type="text/javascript" src="navtree.js"></script>
22<script type="text/javascript">
23 $(document).ready(initResizable);
24</script>
25<link href="search/search.css" rel="stylesheet" type="text/css"/>
26<script type="text/javascript" src="search/searchdata.js"></script>
27<script type="text/javascript" src="search/search.js"></script>
28<script type="text/x-mathjax-config">
29 MathJax.Hub.Config({
30 extensions: ["tex2jax.js"],
31 jax: ["input/TeX","output/HTML-CSS"],
32});
33</script><script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js"></script>
34<link href="doxygen.css" rel="stylesheet" type="text/css" />
35<link href="stylesheet.css" rel="stylesheet" type="text/css"/>
36</head>
37<body>
38<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
39<div id="titlearea">
40<table cellspacing="0" cellpadding="0">
41 <tbody>
42 <tr style="height: 56px;">
43 <img alt="ArmNN" src="Arm_NN_horizontal_blue.png" style="max-width: 10rem; margin-top: .5rem; margin-left 10px"/>
44 <td style="padding-left: 0.5em;">
45 <div id="projectname">
46 &#160;<span id="projectnumber">20.02</span>
47 </div>
48 </td>
49 </tr>
50 </tbody>
51</table>
52</div>
53<!-- end header part -->
54<!-- Generated by Doxygen 1.8.13 -->
55<script type="text/javascript">
56var searchBox = new SearchBox("searchBox", "search",false,'Search');
57</script>
58<script type="text/javascript" src="menudata.js"></script>
59<script type="text/javascript" src="menu.js"></script>
60<script type="text/javascript">
61$(function() {
62 initMenu('',true,false,'search.php','Search');
63 $(document).ready(function() { init_search(); });
64});
65</script>
66<div id="main-nav"></div>
67</div><!-- top -->
68<div id="side-nav" class="ui-resizable side-nav-resizable">
69 <div id="nav-tree">
70 <div id="nav-tree-contents">
71 <div id="nav-sync" class="sync"></div>
72 </div>
73 </div>
74 <div id="splitbar" style="-moz-user-select:none;"
75 class="ui-resizable-handle">
76 </div>
77</div>
78<script type="text/javascript">
79$(document).ready(function(){initNavTree('structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml','');});
80</script>
81<div id="doc-content">
82<!-- window showing the filter options -->
83<div id="MSearchSelectWindow"
84 onmouseover="return searchBox.OnSearchSelectShow()"
85 onmouseout="return searchBox.OnSearchSelectHide()"
86 onkeydown="return searchBox.OnSearchSelectKey(event)">
87</div>
88
89<!-- iframe showing the search results (closed by default) -->
90<div id="MSearchResultsWindow">
91<iframe src="javascript:void(0)" frameborder="0"
92 name="MSearchResults" id="MSearchResults">
93</iframe>
94</div>
95
96<div class="header">
97 <div class="summary">
98<a href="#pub-methods">Public Member Functions</a> &#124;
99<a href="structarmnn_1_1_q_symm_s8_quantization_scheme-members.xhtml">List of all members</a> </div>
100 <div class="headertitle">
101<div class="title">QSymmS8QuantizationScheme Struct Reference</div> </div>
102</div><!--header-->
103<div class="contents">
104
105<p><code>#include &lt;<a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a>&gt;</code></p>
106<div class="dynheader">
107Inheritance diagram for QSymmS8QuantizationScheme:</div>
108<div class="dyncontent">
109 <div class="center">
110 <img src="structarmnn_1_1_q_symm_s8_quantization_scheme.png" usemap="#QSymmS8QuantizationScheme_map" alt=""/>
111 <map id="QSymmS8QuantizationScheme_map" name="QSymmS8QuantizationScheme_map">
112<area href="structarmnn_1_1_i_quantization_scheme.xhtml" alt="IQuantizationScheme" shape="rect" coords="0,0,185,24"/>
113</map>
114 </div></div>
115<table class="memberdecls">
116<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
117Public Member Functions</h2></td></tr>
118<tr class="memitem:a9fb07d8d7554a1502e732b8afa92040a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacearmnn.xhtml#a9b8e5a95f8c061bbbcdb036915dcb61a">OffsetScalePair</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml#a9fb07d8d7554a1502e732b8afa92040a">ComputeScheme</a> (double min, double max) const override</td></tr>
119<tr class="separator:a9fb07d8d7554a1502e732b8afa92040a"><td class="memSeparator" colspan="2">&#160;</td></tr>
120<tr class="memitem:a1046eb36ff708a1b84f9a6bf0103fbc7"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml#a1046eb36ff708a1b84f9a6bf0103fbc7">NumBits</a> () const override</td></tr>
121<tr class="separator:a1046eb36ff708a1b84f9a6bf0103fbc7"><td class="memSeparator" colspan="2">&#160;</td></tr>
122<tr class="memitem:a57d67416d97cb7138e43656b43feb797"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacearmnn.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml#a57d67416d97cb7138e43656b43feb797">GetDataType</a> () const override</td></tr>
123<tr class="separator:a57d67416d97cb7138e43656b43feb797"><td class="memSeparator" colspan="2">&#160;</td></tr>
124<tr class="inherit_header pub_methods_structarmnn_1_1_i_quantization_scheme"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structarmnn_1_1_i_quantization_scheme')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml">IQuantizationScheme</a></td></tr>
125<tr class="memitem:ac7ce71800ca0ebb1222958717a834c9a inherit pub_methods_structarmnn_1_1_i_quantization_scheme"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml#ac7ce71800ca0ebb1222958717a834c9a">~IQuantizationScheme</a> ()</td></tr>
126<tr class="separator:ac7ce71800ca0ebb1222958717a834c9a inherit pub_methods_structarmnn_1_1_i_quantization_scheme"><td class="memSeparator" colspan="2">&#160;</td></tr>
127</table>
128<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
129<div class="textblock">
130<p class="definition">Definition at line <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml#l00100">100</a> of file <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a>.</p>
131</div><h2 class="groupheader">Member Function Documentation</h2>
132<a id="a9fb07d8d7554a1502e732b8afa92040a"></a>
133<h2 class="memtitle"><span class="permalink"><a href="#a9fb07d8d7554a1502e732b8afa92040a">&#9670;&nbsp;</a></span>ComputeScheme()</h2>
134
135<div class="memitem">
136<div class="memproto">
137<table class="mlabels">
138 <tr>
139 <td class="mlabels-left">
140 <table class="memname">
141 <tr>
142 <td class="memname"><a class="el" href="namespacearmnn.xhtml#a9b8e5a95f8c061bbbcdb036915dcb61a">OffsetScalePair</a> ComputeScheme </td>
143 <td>(</td>
144 <td class="paramtype">double&#160;</td>
145 <td class="paramname"><em>min</em>, </td>
146 </tr>
147 <tr>
148 <td class="paramkey"></td>
149 <td></td>
150 <td class="paramtype">double&#160;</td>
151 <td class="paramname"><em>max</em>&#160;</td>
152 </tr>
153 <tr>
154 <td></td>
155 <td>)</td>
156 <td></td><td> const</td>
157 </tr>
158 </table>
159 </td>
160 <td class="mlabels-right">
161<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
162 </tr>
163</table>
164</div><div class="memdoc">
165
166<p>Implements <a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml#a6a5561395e9693f02258b49dfcc009b4">IQuantizationScheme</a>.</p>
167
168<p class="definition">Definition at line <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml#l00102">102</a> of file <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a>.</p>
169
170<p class="reference">References <a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml#a7ebe7ca1c6100440fcc130217f43561b">IQuantizationScheme::NumBits()</a>.</p>
171<div class="fragment"><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">if</span> (min &gt; max)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">throw</span> InvalidArgumentException(<span class="stringliteral">&quot;min &gt; max will result in invalid quantization.&quot;</span>);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="comment">// To avoid dividing by zero when quantizing a zero filled tensor</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">if</span> (min == 0.0 &amp;&amp; max == 0.0)</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; {</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; max = 1.0;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordtype">double</span> highest = (1 &lt;&lt; (<a class="code" href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml#a1046eb36ff708a1b84f9a6bf0103fbc7">NumBits</a>()-1)) - 1; <span class="comment">// (numbits-1) accounts for the sign bit</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordtype">double</span> extent = std::max(std::abs(min), std::abs(max));</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordtype">double</span> scale = extent / highest;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">return</span> std::make_pair(static_cast&lt;float&gt;(scale), 0);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div><div class="ttc" id="structarmnn_1_1_q_symm_s8_quantization_scheme_xhtml_a1046eb36ff708a1b84f9a6bf0103fbc7"><div class="ttname"><a href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml#a1046eb36ff708a1b84f9a6bf0103fbc7">armnn::QSymmS8QuantizationScheme::NumBits</a></div><div class="ttdeci">int NumBits() const override</div><div class="ttdef"><b>Definition:</b> <a href="_network_quantization_scheme_8hpp_source.xhtml#l00123">NetworkQuantizationScheme.hpp:123</a></div></div>
172</div><!-- fragment -->
173</div>
174</div>
175<a id="a57d67416d97cb7138e43656b43feb797"></a>
176<h2 class="memtitle"><span class="permalink"><a href="#a57d67416d97cb7138e43656b43feb797">&#9670;&nbsp;</a></span>GetDataType()</h2>
177
178<div class="memitem">
179<div class="memproto">
180<table class="mlabels">
181 <tr>
182 <td class="mlabels-left">
183 <table class="memname">
184 <tr>
185 <td class="memname"><a class="el" href="namespacearmnn.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> GetDataType </td>
186 <td>(</td>
187 <td class="paramname"></td><td>)</td>
188 <td> const</td>
189 </tr>
190 </table>
191 </td>
192 <td class="mlabels-right">
193<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
194 </tr>
195</table>
196</div><div class="memdoc">
197
198<p>Implements <a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml#ad23181f9f8fcc85758f62c49fc7ca23f">IQuantizationScheme</a>.</p>
199
200<p class="definition">Definition at line <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml#l00125">125</a> of file <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a>.</p>
201
202<p class="reference">References <a class="el" href="namespacearmnn.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a9945327825b115e93a3b89f4302e76db">armnn::QSymmS8</a>.</p>
203<div class="fragment"><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;{ <span class="keywordflow">return</span> <a class="code" href="namespacearmnn.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a9945327825b115e93a3b89f4302e76db">DataType::QSymmS8</a>; }</div><div class="ttc" id="namespacearmnn_xhtml_ad8ed01ff3ff33333d8e19db4d2818bb6a9945327825b115e93a3b89f4302e76db"><div class="ttname"><a href="namespacearmnn.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a9945327825b115e93a3b89f4302e76db">armnn::DataType::QSymmS8</a></div></div>
204</div><!-- fragment -->
205</div>
206</div>
207<a id="a1046eb36ff708a1b84f9a6bf0103fbc7"></a>
208<h2 class="memtitle"><span class="permalink"><a href="#a1046eb36ff708a1b84f9a6bf0103fbc7">&#9670;&nbsp;</a></span>NumBits()</h2>
209
210<div class="memitem">
211<div class="memproto">
212<table class="mlabels">
213 <tr>
214 <td class="mlabels-left">
215 <table class="memname">
216 <tr>
217 <td class="memname">int NumBits </td>
218 <td>(</td>
219 <td class="paramname"></td><td>)</td>
220 <td> const</td>
221 </tr>
222 </table>
223 </td>
224 <td class="mlabels-right">
225<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
226 </tr>
227</table>
228</div><div class="memdoc">
229
230<p>Implements <a class="el" href="structarmnn_1_1_i_quantization_scheme.xhtml#a7ebe7ca1c6100440fcc130217f43561b">IQuantizationScheme</a>.</p>
231
232<p class="definition">Definition at line <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml#l00123">123</a> of file <a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a>.</p>
233<div class="fragment"><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;{ <span class="keywordflow">return</span> 8; }</div></div><!-- fragment -->
234</div>
235</div>
236<hr/>The documentation for this struct was generated from the following file:<ul>
237<li>src/armnn/<a class="el" href="_network_quantization_scheme_8hpp_source.xhtml">NetworkQuantizationScheme.hpp</a></li>
238</ul>
239</div><!-- contents -->
240</div><!-- doc-content -->
241<!-- start footer part -->
242<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
243 <ul>
244 <li class="navelem"><a class="el" href="namespacearmnn.xhtml">armnn</a></li><li class="navelem"><a class="el" href="structarmnn_1_1_q_symm_s8_quantization_scheme.xhtml">QSymmS8QuantizationScheme</a></li>
245 <li class="footer">Generated on Fri Mar 13 2020 16:09:19 for ArmNN by
246 <a href="http://www.doxygen.org/index.html">
247 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
248 </ul>
249</div>
250</body>
251</html>