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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 7f09cf7dfba61aad6d6d588b1b096f56bafaad5e / . / documentation / namespacearm__compute_1_1quantization.xhtml
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Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]100<a href="#func-members">Functions</a> &#124;
101<a href="#var-members">Variables</a> </div>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]102 <div class="headertitle">
103<div class="title">arm_compute::quantization Namespace Reference</div> </div>
104</div><!--header-->
105<div class="contents">
106<table class="memberdecls">
107<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
108Functions</h2></td></tr>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]109<tr class="memitem:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#aea20ec2ee8de8e462ee18e1fb0069cb1">calculate_quantized_multiplier</a> (float multiplier, int *quant_multiplier, int *shift)</td></tr>
110<tr class="memdesc:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate quantized representation of multiplier. <a href="#aea20ec2ee8de8e462ee18e1fb0069cb1">More...</a><br /></td></tr>
111<tr class="separator:aea20ec2ee8de8e462ee18e1fb0069cb1"><td class="memSeparator" colspan="2">&#160;</td></tr>
112<tr class="memitem:aa7f38ca13336118049b3e1db4d9f4623"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a> (float multiplier, int *quant_multiplier, int *right_shift)</td></tr>
113<tr class="memdesc:aa7f38ca13336118049b3e1db4d9f4623"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate quantized representation of multiplier with value less than one. <a href="#aa7f38ca13336118049b3e1db4d9f4623">More...</a><br /></td></tr>
114<tr class="separator:aa7f38ca13336118049b3e1db4d9f4623"><td class="memSeparator" colspan="2">&#160;</td></tr>
115<tr class="memitem:a75b05c663a2bf3a46c32ad843cab86f9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">calculate_quantized_multiplier_greater_than_one</a> (float multiplier, int *quantized_multiplier, int *left_shift)</td></tr>
116<tr class="memdesc:a75b05c663a2bf3a46c32ad843cab86f9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate quantized representation of multiplier having value greater than one. <a href="#a75b05c663a2bf3a46c32ad843cab86f9">More...</a><br /></td></tr>
117<tr class="separator:a75b05c663a2bf3a46c32ad843cab86f9"><td class="memSeparator" colspan="2">&#160;</td></tr>
118<tr class="memitem:a358bb588545254dbd23b21b6a5b04424"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a358bb588545254dbd23b21b6a5b04424">calculate_quantized_multipliers_less_than_one</a> (const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;iq_info, const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;wq_info, const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;oq_info, <a class="el" href="structarm__compute_1_1_g_e_m_m_lowp_output_stage_info.xhtml">GEMMLowpOutputStageInfo</a> &amp;stage_info)</td></tr>
119<tr class="memdesc:a358bb588545254dbd23b21b6a5b04424"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate quantized representation of per-channel multipliers with value less than one. <a href="#a358bb588545254dbd23b21b6a5b04424">More...</a><br /></td></tr>
120<tr class="separator:a358bb588545254dbd23b21b6a5b04424"><td class="memSeparator" colspan="2">&#160;</td></tr>
121<tr class="memitem:ab8860c9932b57a5066c460ea310e1bc4"><td class="memItemLeft" align="right" valign="top">std::pair&lt; int, int &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#ab8860c9932b57a5066c460ea310e1bc4">get_min_max_values_from_quantized_data_type</a> (<a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a> data_type)</td></tr>
122<tr class="memdesc:ab8860c9932b57a5066c460ea310e1bc4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get minimum and maximum values for the input quantized data type. <a href="#ab8860c9932b57a5066c460ea310e1bc4">More...</a><br /></td></tr>
123<tr class="separator:ab8860c9932b57a5066c460ea310e1bc4"><td class="memSeparator" colspan="2">&#160;</td></tr>
124<tr class="memitem:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a9e8fecf2dd5d28f1f277d8636be144a5">compute_quantized_multipliers_and_shifts</a> (const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *input, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *weights, const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *output, unsigned int idx_ofms, int32_t *output_multipliers_ptr, int32_t *output_shifts_ptr)</td></tr>
125<tr class="memdesc:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compute quantized per-channel multipliers and shifts. <a href="#a9e8fecf2dd5d28f1f277d8636be144a5">More...</a><br /></td></tr>
126<tr class="separator:a9e8fecf2dd5d28f1f277d8636be144a5"><td class="memSeparator" colspan="2">&#160;</td></tr>
127</table><table class="memberdecls">
128<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
129Variables</h2></td></tr>
130<tr class="memitem:ab153bd5bebd2a695c5d2c79801d0abec"><td class="memItemLeft" align="right" valign="top">constexpr int64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a> = (1LL &lt;&lt; 31)</td></tr>
131<tr class="separator:ab153bd5bebd2a695c5d2c79801d0abec"><td class="memSeparator" colspan="2">&#160;</td></tr>
132<tr class="memitem:a552dc3787d7ea1675f3e4e8993501d58"><td class="memItemLeft" align="right" valign="top">constexpr float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a> = 0.00001f</td></tr>
133<tr class="separator:a552dc3787d7ea1675f3e4e8993501d58"><td class="memSeparator" colspan="2">&#160;</td></tr>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]134</table>
135<h2 class="groupheader">Function Documentation</h2>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]136<a id="aea20ec2ee8de8e462ee18e1fb0069cb1"></a>
137<h2 class="memtitle"><span class="permalink"><a href="#aea20ec2ee8de8e462ee18e1fb0069cb1">&#9670;&nbsp;</a></span>calculate_quantized_multiplier()</h2>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]138
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]139<div class="memitem">
140<div class="memproto">
141 <table class="memname">
142 <tr>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]143 <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier </td>
144 <td>(</td>
145 <td class="paramtype">float&#160;</td>
146 <td class="paramname"><em>multiplier</em>, </td>
147 </tr>
148 <tr>
149 <td class="paramkey"></td>
150 <td></td>
151 <td class="paramtype">int *&#160;</td>
152 <td class="paramname"><em>quant_multiplier</em>, </td>
153 </tr>
154 <tr>
155 <td class="paramkey"></td>
156 <td></td>
157 <td class="paramtype">int *&#160;</td>
158 <td class="paramname"><em>shift</em>&#160;</td>
159 </tr>
160 <tr>
161 <td></td>
162 <td>)</td>
163 <td></td><td></td>
164 </tr>
165 </table>
166</div><div class="memdoc">
167
168<p>Calculate quantized representation of multiplier. </p>
169<dl class="params"><dt>Parameters</dt><dd>
170 <table class="params">
171 <tr><td class="paramdir">[in]</td><td class="paramname">multiplier</td><td>Real multiplier. </td></tr>
172 <tr><td class="paramdir">[out]</td><td class="paramname">quant_multiplier</td><td>Integer multiplier. </td></tr>
173 <tr><td class="paramdir">[out]</td><td class="paramname">shift</td><td>bit shift. A negative value indicates a left shift, while a positive value indicates a right shift</td></tr>
174 </table>
175 </dd>
176</dl>
177<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
178
179<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">38</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
180<div class="fragment"><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;{</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">if</span>(multiplier &gt; 1.f)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; Status status = <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">calculate_quantized_multiplier_greater_than_one</a>(multiplier, quant_multiplier, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; *<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a> *= -1;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> status;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, quant_multiplier, <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">shift</a>);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; }</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;}</div><div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a979a54caef6e77ce0259e427136847e8"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a979a54caef6e77ce0259e427136847e8">arm_compute::test::validation::shift</a></div><div class="ttdeci">shift</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_depth_convert_layer_8cpp_source.xhtml#l00155">DepthConvertLayer.cpp:155</a></div></div>
181<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_a75b05c663a2bf3a46c32ad843cab86f9"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#a75b05c663a2bf3a46c32ad843cab86f9">arm_compute::quantization::calculate_quantized_multiplier_greater_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_greater_than_one(float multiplier, int *quantized_multiplier, int *left_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier having value greater than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00090">AsymmHelpers.cpp:90</a></div></div>
182<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
183</div><!-- fragment -->
184<p class="reference">References <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">calculate_quantized_multiplier_greater_than_one()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, and <a class="el" href="_c_l_2_depth_convert_layer_8cpp_source.xhtml#l00155">arm_compute::test::validation::shift</a>.</p>
185
186<p class="reference">Referenced by <a class="el" href="_c_l_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00058">CLLSTMLayerQuantized::configure()</a>, <a class="el" href="_n_e_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00057">NELSTMLayerQuantized::configure()</a>, <a class="el" href="_c_l_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00256">CLLSTMLayerQuantized::validate()</a>, and <a class="el" href="_n_e_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00235">NELSTMLayerQuantized::validate()</a>.</p>
187
188</div>
189</div>
190<a id="a75b05c663a2bf3a46c32ad843cab86f9"></a>
191<h2 class="memtitle"><span class="permalink"><a href="#a75b05c663a2bf3a46c32ad843cab86f9">&#9670;&nbsp;</a></span>calculate_quantized_multiplier_greater_than_one()</h2>
192
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196 <tr>
197 <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier_greater_than_one </td>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]198 <td>(</td>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]199 <td class="paramtype">float&#160;</td>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]200 <td class="paramname"><em>multiplier</em>, </td>
201 </tr>
202 <tr>
203 <td class="paramkey"></td>
204 <td></td>
205 <td class="paramtype">int *&#160;</td>
206 <td class="paramname"><em>quantized_multiplier</em>, </td>
207 </tr>
208 <tr>
209 <td class="paramkey"></td>
210 <td></td>
211 <td class="paramtype">int *&#160;</td>
212 <td class="paramname"><em>left_shift</em>&#160;</td>
213 </tr>
214 <tr>
215 <td></td>
216 <td>)</td>
217 <td></td><td></td>
218 </tr>
219 </table>
220</div><div class="memdoc">
221
222<p>Calculate quantized representation of multiplier having value greater than one. </p>
223<dl class="params"><dt>Parameters</dt><dd>
224 <table class="params">
225 <tr><td class="paramdir">[in]</td><td class="paramname">multiplier</td><td>Real multiplier. </td></tr>
226 <tr><td class="paramdir">[out]</td><td class="paramname">quantized_multiplier</td><td>Integer multiplier. </td></tr>
227 <tr><td class="paramdir">[out]</td><td class="paramname">left_shift</td><td>Left bit shift.</td></tr>
228 </table>
229 </dd>
230</dl>
231<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
232
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]233<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">90</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
234<div class="fragment"><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;{</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quantized_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(left_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier &lt; 1.f);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, left_shift);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">auto</span> q_fixed = static_cast&lt;int64_t&gt;(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">support::cpp11::round</a>(q * <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed &gt; <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span>(q_fixed == <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; q_fixed /= 2;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; ++*left_shift;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*left_shift &lt; 0);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed &gt; std::numeric_limits&lt;int32_t&gt;::max());</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; *quantized_multiplier = static_cast&lt;int32_t&gt;(q_fixed);</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="keywordflow">return</span> Status{};</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]235<div class="ttc" id="namespacearm__compute_xhtml_aaae2b6b1c3f4404121346a4c27b22647"><div class="ttname"><a href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">arm_compute::round</a></div><div class="ttdeci">int round(float x, RoundingPolicy rounding_policy)</div><div class="ttdoc">Return a rounded value of x.</div><div class="ttdef"><b>Definition:</b> <a href="_rounding_8cpp_source.xhtml#l00035">Rounding.cpp:35</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]236<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">arm_compute::quantization::fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00035">AsymmHelpers.cpp:35</a></div></div>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]237</div><!-- fragment -->
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]238<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">fixed_point_one_Q0</a>, and <a class="el" href="_toolchain_support_8h_source.xhtml#l00317">arm_compute::support::cpp11::round()</a>.</p>
239
240<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">calculate_quantized_multiplier()</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]241
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]242</div>
243</div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]244<a id="aa7f38ca13336118049b3e1db4d9f4623"></a>
245<h2 class="memtitle"><span class="permalink"><a href="#aa7f38ca13336118049b3e1db4d9f4623">&#9670;&nbsp;</a></span>calculate_quantized_multiplier_less_than_one()</h2>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]246
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]247<div class="memitem">
248<div class="memproto">
249 <table class="memname">
250 <tr>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]251 <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">Status</a> calculate_quantized_multiplier_less_than_one </td>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]252 <td>(</td>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]253 <td class="paramtype">float&#160;</td>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]254 <td class="paramname"><em>multiplier</em>, </td>
255 </tr>
256 <tr>
257 <td class="paramkey"></td>
258 <td></td>
259 <td class="paramtype">int *&#160;</td>
260 <td class="paramname"><em>quant_multiplier</em>, </td>
261 </tr>
262 <tr>
263 <td class="paramkey"></td>
264 <td></td>
265 <td class="paramtype">int *&#160;</td>
266 <td class="paramname"><em>right_shift</em>&#160;</td>
267 </tr>
268 <tr>
269 <td></td>
270 <td>)</td>
271 <td></td><td></td>
272 </tr>
273 </table>
274</div><div class="memdoc">
275
276<p>Calculate quantized representation of multiplier with value less than one. </p>
277<dl class="params"><dt>Parameters</dt><dd>
278 <table class="params">
279 <tr><td class="paramdir">[in]</td><td class="paramname">multiplier</td><td>Real multiplier. </td></tr>
280 <tr><td class="paramdir">[out]</td><td class="paramname">quant_multiplier</td><td>Integer multiplier. </td></tr>
281 <tr><td class="paramdir">[out]</td><td class="paramname">right_shift</td><td>Right bit shift.</td></tr>
282 </table>
283 </dd>
284</dl>
285<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
286
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]287<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">52</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
288<div class="fragment"><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;{</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(quant_multiplier == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(right_shift == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier &lt; -<a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(multiplier &gt; 1.0f + <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">if</span>(std::fabs(1.0f - multiplier) &lt; <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; *quant_multiplier = 1;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; *right_shift = 0;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">if</span>(std::fabs(0.0f - multiplier) &lt; <a class="code" href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">epsilon</a>)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; *quant_multiplier = 0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; *right_shift = 0;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; }</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> q = std::frexp(multiplier, right_shift);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; *right_shift *= -1;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">auto</span> q_fixed = static_cast&lt;int64_t&gt;(<a class="code" href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">support::cpp11::round</a>(q * <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>));</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed &gt; <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">if</span>(q_fixed == <a class="code" href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">fixed_point_one_Q0</a>)</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; q_fixed /= 2;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; --*right_shift;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(*right_shift &lt; 0);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(q_fixed &gt; std::numeric_limits&lt;int32_t&gt;::max());</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; *quant_multiplier = static_cast&lt;int32_t&gt;(q_fixed);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]289<div class="ttc" id="namespacearm__compute_xhtml_aaae2b6b1c3f4404121346a4c27b22647"><div class="ttname"><a href="namespacearm__compute.xhtml#aaae2b6b1c3f4404121346a4c27b22647">arm_compute::round</a></div><div class="ttdeci">int round(float x, RoundingPolicy rounding_policy)</div><div class="ttdoc">Return a rounded value of x.</div><div class="ttdef"><b>Definition:</b> <a href="_rounding_8cpp_source.xhtml#l00035">Rounding.cpp:35</a></div></div>
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]290<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_ab153bd5bebd2a695c5d2c79801d0abec"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#ab153bd5bebd2a695c5d2c79801d0abec">arm_compute::quantization::fixed_point_one_Q0</a></div><div class="ttdeci">constexpr int64_t fixed_point_one_Q0</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00035">AsymmHelpers.cpp:35</a></div></div>
291<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_a552dc3787d7ea1675f3e4e8993501d58"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#a552dc3787d7ea1675f3e4e8993501d58">arm_compute::quantization::epsilon</a></div><div class="ttdeci">constexpr float epsilon</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00036">AsymmHelpers.cpp:36</a></div></div>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]292</div><!-- fragment -->
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]293<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00036">epsilon</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">fixed_point_one_Q0</a>, and <a class="el" href="_toolchain_support_8h_source.xhtml#l00317">arm_compute::support::cpp11::round()</a>.</p>
Jenkinsb9abeae2018-11-22 11:58:08 +0000[diff] [blame]294
Jenkins0e205f72019-11-28 16:53:35 +0000[diff] [blame]295<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00038">calculate_quantized_multiplier()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00112">calculate_quantized_multipliers_less_than_one()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00176">compute_quantized_multipliers_and_shifts()</a>, <a class="el" href="_c_l_direct_convolution_layer_kernel_8cpp_source.xhtml#l00412">CLDirectConvolutionLayerKernel::configure()</a>, <a class="el" href="_n_e_depthwise_convolution_layer_native_kernel_8cpp_source.xhtml#l00500">NEDepthwiseConvolutionLayerNativeKernel::configure()</a>, <a class="el" href="_c_l_g_e_m_m_deconvolution_layer_8cpp_source.xhtml#l00186">CLGEMMDeconvolutionLayer::configure()</a>, and <a class="el" href="_n_e_fully_connected_layer_8cpp_source.xhtml#l00140">NEFullyConnectedLayer::configure()</a>.</p>
296
297</div>
298</div>
299<a id="a358bb588545254dbd23b21b6a5b04424"></a>
300<h2 class="memtitle"><span class="permalink"><a href="#a358bb588545254dbd23b21b6a5b04424">&#9670;&nbsp;</a></span>calculate_quantized_multipliers_less_than_one()</h2>
301
302<div class="memitem">
303<div class="memproto">
304 <table class="memname">
305 <tr>
306 <td class="memname"><a class="el" href="classarm__compute_1_1_status.xhtml">arm_compute::Status</a> calculate_quantized_multipliers_less_than_one </td>
307 <td>(</td>
308 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;&#160;</td>
309 <td class="paramname"><em>iq_info</em>, </td>
310 </tr>
311 <tr>
312 <td class="paramkey"></td>
313 <td></td>
314 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;&#160;</td>
315 <td class="paramname"><em>wq_info</em>, </td>
316 </tr>
317 <tr>
318 <td class="paramkey"></td>
319 <td></td>
320 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_quantization_info.xhtml">QuantizationInfo</a> &amp;&#160;</td>
321 <td class="paramname"><em>oq_info</em>, </td>
322 </tr>
323 <tr>
324 <td class="paramkey"></td>
325 <td></td>
326 <td class="paramtype"><a class="el" href="structarm__compute_1_1_g_e_m_m_lowp_output_stage_info.xhtml">GEMMLowpOutputStageInfo</a> &amp;&#160;</td>
327 <td class="paramname"><em>stage_info</em>&#160;</td>
328 </tr>
329 <tr>
330 <td></td>
331 <td>)</td>
332 <td></td><td></td>
333 </tr>
334 </table>
335</div><div class="memdoc">
336
337<p>Calculate quantized representation of per-channel multipliers with value less than one. </p>
338<dl class="params"><dt>Parameters</dt><dd>
339 <table class="params">
340 <tr><td class="paramdir">[in]</td><td class="paramname">iq_info</td><td>Input quantization info. </td></tr>
341 <tr><td class="paramdir">[in]</td><td class="paramname">wq_info</td><td>Weights quantization info. </td></tr>
342 <tr><td class="paramdir">[in]</td><td class="paramname">oq_info</td><td>Output quantization info. </td></tr>
343 <tr><td class="paramdir">[in,out]</td><td class="paramname">stage_info</td><td>GemmLowp output stage info</td></tr>
344 </table>
345 </dd>
346</dl>
347<dl class="section return"><dt>Returns</dt><dd>a status </dd></dl>
348
349<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00112">112</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
350<div class="fragment"><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; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(iq_info.scale().empty());</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(wq_info.scale().empty());</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <a class="code" href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a>(oq_info.scale().empty());</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = wq_info.scale().size();</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keyword">auto</span> &amp;quant_multipliers = stage_info.gemmlowp_multipliers;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keyword">auto</span> &amp;quant_shifts = stage_info.gemmlowp_shifts;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; quant_multipliers.resize(size);</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; quant_shifts.resize(size);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span> &amp;w_scales = wq_info.scale();</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> i_scale = iq_info.scale().at(0);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> o_scale = oq_info.scale().at(0);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; size; ++i)</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> multiplier = i_scale * w_scales[i] / o_scale;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">int</span> quant_multiplier = 0;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordtype">int</span> quant_shift = 0;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <a class="code" href="_error_8h.xhtml#a8a1e1c105f0bdaf37db408c7cfcb77a4">ARM_COMPUTE_RETURN_ON_ERROR</a>(<a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, &amp;quant_multiplier, &amp;quant_shift));</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; quant_multipliers[i] = quant_multiplier;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; quant_shifts[i] = quant_shift;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// Legacy part</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; stage_info.gemmlowp_shift = quant_shifts[0];</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; stage_info.gemmlowp_multiplier = quant_multipliers[0];</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">return</span> Status{};</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a8a1e1c105f0bdaf37db408c7cfcb77a4"><div class="ttname"><a href="_error_8h.xhtml#a8a1e1c105f0bdaf37db408c7cfcb77a4">ARM_COMPUTE_RETURN_ON_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ON_ERROR(status)</div><div class="ttdoc">Checks if a status contains an error and returns it.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00204">Error.h:204</a></div></div>
351<div class="ttc" id="_error_8h_xhtml_a206d6e247e0957ac3dee45d27756fc25"><div class="ttname"><a href="_error_8h.xhtml#a206d6e247e0957ac3dee45d27756fc25">ARM_COMPUTE_RETURN_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_RETURN_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true, an error is returned.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00296">Error.h:296</a></div></div>
352<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
353</div><!-- fragment -->
354<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00296">ARM_COMPUTE_RETURN_ERROR_ON</a>, <a class="el" href="_error_8h_source.xhtml#l00204">ARM_COMPUTE_RETURN_ON_ERROR</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01880">GEMMLowpOutputStageInfo::gemmlowp_multiplier</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01884">GEMMLowpOutputStageInfo::gemmlowp_multipliers</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01881">GEMMLowpOutputStageInfo::gemmlowp_shift</a>, <a class="el" href="arm__compute_2core_2_types_8h_source.xhtml#l01885">GEMMLowpOutputStageInfo::gemmlowp_shifts</a>, and <a class="el" href="_quantization_info_8h_source.xhtml#l00122">QuantizationInfo::scale()</a>.</p>
355
356</div>
357</div>
358<a id="a9e8fecf2dd5d28f1f277d8636be144a5"></a>
359<h2 class="memtitle"><span class="permalink"><a href="#a9e8fecf2dd5d28f1f277d8636be144a5">&#9670;&nbsp;</a></span>compute_quantized_multipliers_and_shifts()</h2>
360
361<div class="memitem">
362<div class="memproto">
363 <table class="memname">
364 <tr>
365 <td class="memname">void compute_quantized_multipliers_and_shifts </td>
366 <td>(</td>
367 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
368 <td class="paramname"><em>input</em>, </td>
369 </tr>
370 <tr>
371 <td class="paramkey"></td>
372 <td></td>
373 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
374 <td class="paramname"><em>weights</em>, </td>
375 </tr>
376 <tr>
377 <td class="paramkey"></td>
378 <td></td>
379 <td class="paramtype">const <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml">ITensorInfo</a> *&#160;</td>
380 <td class="paramname"><em>output</em>, </td>
381 </tr>
382 <tr>
383 <td class="paramkey"></td>
384 <td></td>
385 <td class="paramtype">unsigned int&#160;</td>
386 <td class="paramname"><em>idx_ofms</em>, </td>
387 </tr>
388 <tr>
389 <td class="paramkey"></td>
390 <td></td>
391 <td class="paramtype">int32_t *&#160;</td>
392 <td class="paramname"><em>output_multipliers_ptr</em>, </td>
393 </tr>
394 <tr>
395 <td class="paramkey"></td>
396 <td></td>
397 <td class="paramtype">int32_t *&#160;</td>
398 <td class="paramname"><em>output_shifts_ptr</em>&#160;</td>
399 </tr>
400 <tr>
401 <td></td>
402 <td>)</td>
403 <td></td><td></td>
404 </tr>
405 </table>
406</div><div class="memdoc">
407
408<p>Compute quantized per-channel multipliers and shifts. </p>
409<p>As many multipliers and shifts as output channels are computed. If weights are not quantized per-channel, multipliers and shifts will end up being the same for each channel.</p>
410<dl class="params"><dt>Parameters</dt><dd>
411 <table class="params">
412 <tr><td class="paramdir">[in]</td><td class="paramname">input</td><td>Input tensor info. </td></tr>
413 <tr><td class="paramdir">[in]</td><td class="paramname">weights</td><td>Weights tensor info. </td></tr>
414 <tr><td class="paramdir">[in]</td><td class="paramname">output</td><td>Output tensor info. </td></tr>
415 <tr><td class="paramdir">[in]</td><td class="paramname">idx_ofms</td><td>Dimension index to get OFMs from the weights tensor. </td></tr>
416 <tr><td class="paramdir">[out]</td><td class="paramname">output_multipliers_ptr</td><td>Pointer to the buffer where to store per-channel multipliers. </td></tr>
417 <tr><td class="paramdir">[out]</td><td class="paramname">output_shifts_ptr</td><td>Pointer to the buffer where to store per-channel shifts.</td></tr>
418 </table>
419 </dd>
420</dl>
421<dl class="section return"><dt>Returns</dt><dd>min and max values for the quantized data type </dd></dl>
422
423<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00176">176</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
424<div class="fragment"><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;{</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_filters = <a class="code" href="namespacearm__compute.xhtml#a84437d80241f6a31e1a07c231ee8e3ac">is_data_type_quantized_per_channel</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>-&gt;data_type()) ? <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>-&gt;dimension(idx_ofms) : 1;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">const</span> UniformQuantizationInfo iq_info = <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a8fcf2ddd9a1d58b1b280f5c0aed71845">input</a>-&gt;quantization_info().uniform();</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keyword">const</span> QuantizationInfo wq_info = <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">weights</a>-&gt;quantization_info();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keyword">const</span> UniformQuantizationInfo oq_info = output-&gt;quantization_info().uniform();</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; num_filters; ++i)</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordtype">int</span> output_multiplier = 0;</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordtype">int</span> output_shift = 0;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keyword">const</span> <span class="keywordtype">float</span> multiplier = iq_info.scale * wq_info.scale()[i] / oq_info.scale;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(multiplier &gt; 1.0f);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <a class="code" href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">calculate_quantized_multiplier_less_than_one</a>(multiplier, &amp;output_multiplier, &amp;output_shift);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; output_multipliers_ptr[i] = output_multiplier;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; output_shifts_ptr[i] = output_shift;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a54a6080c9f4df1f908e57a9bbb46f5da"><div class="ttname"><a href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true then an error message is printed and an exception thrown.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00466">Error.h:466</a></div></div>
425<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a8fcf2ddd9a1d58b1b280f5c0aed71845"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a8fcf2ddd9a1d58b1b280f5c0aed71845">arm_compute::test::validation::input</a></div><div class="ttdeci">auto input</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00487">LSTMLayerQuantized.cpp:487</a></div></div>
426<div class="ttc" id="namespacearm__compute_xhtml_a84437d80241f6a31e1a07c231ee8e3ac"><div class="ttname"><a href="namespacearm__compute.xhtml#a84437d80241f6a31e1a07c231ee8e3ac">arm_compute::is_data_type_quantized_per_channel</a></div><div class="ttdeci">bool is_data_type_quantized_per_channel(DataType dt)</div><div class="ttdoc">Check if a given data type is of per channel type.</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_utils_8h_source.xhtml#l01082">Utils.h:1082</a></div></div>
427<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a64a08a9fec5aeee8650e7182b6d171d0"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a64a08a9fec5aeee8650e7182b6d171d0">arm_compute::test::validation::weights</a></div><div class="ttdeci">CLTensor weights</div><div class="ttdef"><b>Definition:</b> <a href="validation_2_c_l_2_convolution_layer_8cpp_source.xhtml#l00180">ConvolutionLayer.cpp:180</a></div></div>
428<div class="ttc" id="namespacearm__compute_1_1quantization_xhtml_aa7f38ca13336118049b3e1db4d9f4623"><div class="ttname"><a href="namespacearm__compute_1_1quantization.xhtml#aa7f38ca13336118049b3e1db4d9f4623">arm_compute::quantization::calculate_quantized_multiplier_less_than_one</a></div><div class="ttdeci">Status calculate_quantized_multiplier_less_than_one(float multiplier, int *quant_multiplier, int *right_shift)</div><div class="ttdoc">Calculate quantized representation of multiplier with value less than one.</div><div class="ttdef"><b>Definition:</b> <a href="_asymm_helpers_8cpp_source.xhtml#l00052">AsymmHelpers.cpp:52</a></div></div>
429</div><!-- fragment -->
430<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00466">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="_c_l_2_l_s_t_m_layer_quantized_8cpp_source.xhtml#l00487">arm_compute::test::validation::input</a>, <a class="el" href="arm__compute_2core_2_utils_8h_source.xhtml#l01082">arm_compute::is_data_type_quantized_per_channel()</a>, <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml#a3f3e1a3200223e6a304a533b1016e749">ITensorInfo::quantization_info()</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00062">UniformQuantizationInfo::scale</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00122">QuantizationInfo::scale()</a>, <a class="el" href="_quantization_info_8h_source.xhtml#l00146">QuantizationInfo::uniform()</a>, and <a class="el" href="validation_2_c_l_2_convolution_layer_8cpp_source.xhtml#l00180">arm_compute::test::validation::weights</a>.</p>
431
432<p class="reference">Referenced by <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00181">CLGEMMConvolutionLayer::configure()</a>, and <a class="el" href="_c_l_g_e_m_m_convolution_layer_8cpp_source.xhtml#l00400">CLGEMMConvolutionLayer::validate()</a>.</p>
433
434</div>
435</div>
436<a id="ab8860c9932b57a5066c460ea310e1bc4"></a>
437<h2 class="memtitle"><span class="permalink"><a href="#ab8860c9932b57a5066c460ea310e1bc4">&#9670;&nbsp;</a></span>get_min_max_values_from_quantized_data_type()</h2>
438
439<div class="memitem">
440<div class="memproto">
441 <table class="memname">
442 <tr>
443 <td class="memname">std::pair&lt; int, int &gt; get_min_max_values_from_quantized_data_type </td>
444 <td>(</td>
445 <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6">DataType</a>&#160;</td>
446 <td class="paramname"><em>data_type</em></td><td>)</td>
447 <td></td>
448 </tr>
449 </table>
450</div><div class="memdoc">
451
452<p>Get minimum and maximum values for the input quantized data type. </p>
453<dl class="section return"><dt>Returns</dt><dd>min and max values for the quantized data type </dd></dl>
454
455<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00149">149</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
456<div class="fragment"><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;{</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordtype">int</span> min_quant_val = 0;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordtype">int</span> max_quant_val = 0;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">switch</span>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#a5f5b6c4337eac9e2e0046ca2304d80dc">data_type</a>)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">case</span> DataType::QASYMM8:</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; min_quant_val = std::numeric_limits&lt;uint8_t&gt;::min();</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; max_quant_val = std::numeric_limits&lt;uint8_t&gt;::max();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">case</span> DataType::QSYMM8:</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; min_quant_val = std::numeric_limits&lt;int8_t&gt;::min();</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; max_quant_val = std::numeric_limits&lt;int8_t&gt;::max();</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">case</span> DataType::QASYMM16:</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; min_quant_val = std::numeric_limits&lt;uint16_t&gt;::min();</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; max_quant_val = std::numeric_limits&lt;uint16_t&gt;::max();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">case</span> DataType::QSYMM16:</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; min_quant_val = std::numeric_limits&lt;int16_t&gt;::min();</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; max_quant_val = std::numeric_limits&lt;int16_t&gt;::max();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">default</span>:</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <a class="code" href="_error_8h.xhtml#a7cf8d8b669b8f7b05680230be30d60f4">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Unsupported data type&quot;</span>);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">return</span> std::make_pair(min_quant_val, max_quant_val);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a7cf8d8b669b8f7b05680230be30d60f4"><div class="ttname"><a href="_error_8h.xhtml#a7cf8d8b669b8f7b05680230be30d60f4">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(msg)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00352">Error.h:352</a></div></div>
457<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_a5f5b6c4337eac9e2e0046ca2304d80dc"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#a5f5b6c4337eac9e2e0046ca2304d80dc">arm_compute::test::validation::data_type</a></div><div class="ttdeci">data_type</div><div class="ttdef"><b>Definition:</b> <a href="_c_l_2_arithmetic_addition_8cpp_source.xhtml#l00135">ArithmeticAddition.cpp:135</a></div></div>
458</div><!-- fragment -->
459<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00352">ARM_COMPUTE_ERROR</a>, <a class="el" href="_c_l_2_arithmetic_addition_8cpp_source.xhtml#l00135">arm_compute::test::validation::data_type</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a3b989c6b5398b3b9538ad103a324205e">arm_compute::QASYMM16</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924">arm_compute::QASYMM8</a>, <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a3ca8a4ea8f992df3b462bc7b24d097c6">arm_compute::QSYMM16</a>, and <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6a5f007421a4becd11c0666c2058b0b36c">arm_compute::QSYMM8</a>.</p>
460
461<p class="reference">Referenced by <a class="el" href="_c_l_quantization_layer_kernel_8cpp_source.xhtml#l00082">CLQuantizationLayerKernel::configure()</a>.</p>
462
463</div>
464</div>
465<h2 class="groupheader">Variable Documentation</h2>
466<a id="a552dc3787d7ea1675f3e4e8993501d58"></a>
467<h2 class="memtitle"><span class="permalink"><a href="#a552dc3787d7ea1675f3e4e8993501d58">&#9670;&nbsp;</a></span>epsilon</h2>
468
469<div class="memitem">
470<div class="memproto">
471 <table class="memname">
472 <tr>
473 <td class="memname">constexpr float epsilon = 0.00001f</td>
474 </tr>
475 </table>
476</div><div class="memdoc">
477
478<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00036">36</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
479
480<p class="reference">Referenced by <a class="el" href="_graph_builder_8cpp_source.xhtml#l00142">GraphBuilder::add_batch_normalization_node()</a>, <a class="el" href="validation_2reference_2_batch_normalization_layer_8cpp_source.xhtml#l00040">arm_compute::test::validation::reference::batch_normalization_layer()</a>, <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00032">CLMeanStdDevNormalizationLayer::configure()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00031">NEMeanStdDevNormalizationLayer::configure()</a>, <a class="el" href="_c_l_instance_normalization_layer_8cpp_source.xhtml#l00035">CLInstanceNormalizationLayer::configure()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00085">CLMeanStdDevNormalizationKernel::configure()</a>, <a class="el" href="_n_e_l2_normalize_layer_8cpp_source.xhtml#l00041">NEL2NormalizeLayer::configure()</a>, <a class="el" href="_c_l_instance_normalization_layer_kernel_8cpp_source.xhtml#l00081">CLInstanceNormalizationLayerKernel::configure()</a>, <a class="el" href="_g_c_batch_normalization_layer_8cpp_source.xhtml#l00040">GCBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_instance_normalization_layer_8cpp_source.xhtml#l00036">NEInstanceNormalizationLayer::configure()</a>, <a class="el" href="_c_l_l2_normalize_layer_kernel_8cpp_source.xhtml#l00098">CLL2NormalizeLayerKernel::configure()</a>, <a class="el" href="_c_l_l2_normalize_layer_8cpp_source.xhtml#l00047">CLL2NormalizeLayer::configure()</a>, <a class="el" href="_c_l_batch_normalization_layer_8cpp_source.xhtml#l00040">CLBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_batch_normalization_layer_8cpp_source.xhtml#l00040">NEBatchNormalizationLayer::configure()</a>, <a class="el" href="_n_e_instance_normalization_layer_kernel_8cpp_source.xhtml#l00182">NEInstanceNormalizationLayerKernel::configure()</a>, <a class="el" href="_g_c_batch_normalization_layer_kernel_8cpp_source.xhtml#l00139">GCBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_c_l_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00107">CLFuseBatchNormalizationKernel::configure()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00154">NEMeanStdDevNormalizationKernel::configure()</a>, <a class="el" href="_c_l_batch_normalization_layer_kernel_8cpp_source.xhtml#l00139">CLBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_c_l_fuse_batch_normalization_8cpp_source.xhtml#l00039">CLFuseBatchNormalization::configure()</a>, <a class="el" href="_n_e_fuse_batch_normalization_8cpp_source.xhtml#l00039">NEFuseBatchNormalization::configure()</a>, <a class="el" href="_n_e_batch_normalization_layer_kernel_8cpp_source.xhtml#l00411">NEBatchNormalizationLayerKernel::configure()</a>, <a class="el" href="_n_e_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00422">NEFuseBatchNormalizationKernel::configure()</a>, <a class="el" href="_fused_depthwise_convolution_batch_normalization_function_8h_source.xhtml#l00070">FusedDepthwiseConvolutionBatchNormalizationFunction&lt; TargetInfo, FusedLayerTypes &gt;::configure()</a>, <a class="el" href="_fused_convolution_batch_normalization_function_8h_source.xhtml#l00072">FusedConvolutionBatchNormalizationFunction&lt; TargetInfo, FusedLayerTypes &gt;::configure()</a>, <a class="el" href="_n_e_optical_flow_8cpp_source.xhtml#l00055">NEOpticalFlow::configure()</a>, <a class="el" href="_c_l_optical_flow_8cpp_source.xhtml#l00060">CLOpticalFlow::configure()</a>, <a class="el" href="_c_l_l_k_tracker_kernel_8cpp_source.xhtml#l00213">CLLKTrackerStage1Kernel::configure()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00137">arm_compute::graph::backends::detail::create_batch_normalization_layer()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00182">arm_compute::graph::backends::detail::create_fused_convolution_batch_normalization_layer()</a>, <a class="el" href="_function_helpers_8h_source.xhtml#l00239">arm_compute::graph::backends::detail::create_fused_depthwise_convolution_batch_normalization_layer()</a>, <a class="el" href="_assets_library_8h_source.xhtml#l00504">AssetsLibrary::fill_boxes()</a>, <a class="el" href="reference_2_fuse_batch_normalization_8cpp_source.xhtml#l00067">arm_compute::test::validation::reference::fuse_batch_normalization_conv_layer()</a>, <a class="el" href="reference_2_fuse_batch_normalization_8cpp_source.xhtml#l00035">arm_compute::test::validation::reference::fuse_batch_normalization_dwc_layer()</a>, <a class="el" href="_node_fusion_mutator_8cpp_source.xhtml#l00043">arm_compute::graph::detail::fuse_convolution_with_batch_normalization()</a>, <a class="el" href="_node_fusion_mutator_8cpp_source.xhtml#l00136">arm_compute::graph::detail::fuse_depthwise_convolution_with_batch_normalization()</a>, <a class="el" href="reference_2_instance_normalization_layer_8cpp_source.xhtml#l00040">arm_compute::test::validation::reference::instance_normalization()</a>, <a class="el" href="float__ops_8h_source.xhtml#l00097">arm_compute::helpers::float_ops::is_one()</a>, <a class="el" href="float__ops_8h_source.xhtml#l00109">arm_compute::helpers::float_ops::is_zero()</a>, <a class="el" href="validation_2reference_2_l2_normalize_layer_8cpp_source.xhtml#l00051">arm_compute::test::validation::reference::l2_normalize()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00051">l2_normalize_x()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00094">l2_normalize_y()</a>, <a class="el" href="l2__normalize_8cl_source.xhtml#l00145">l2_normalize_z()</a>, <a class="el" href="optical__flow__pyramid__lk_8cl_source.xhtml#l00361">lktracker_stage1()</a>, <a class="el" href="_validation_8h_source.xhtml#l00335">compare&lt; RelativeTolerance&lt; U &gt; &gt;::operator bool()</a>, <a class="el" href="_random_8h_source.xhtml#l00059">RangedUniformDistribution&lt; T &gt;::RangedUniformDistribution()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00039">CLMeanStdDevNormalizationLayer::validate()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_layer_8cpp_source.xhtml#l00038">NEMeanStdDevNormalizationLayer::validate()</a>, <a class="el" href="_c_l_instance_normalization_layer_8cpp_source.xhtml#l00042">CLInstanceNormalizationLayer::validate()</a>, <a class="el" href="_c_l_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00123">CLMeanStdDevNormalizationKernel::validate()</a>, <a class="el" href="_n_e_l2_normalize_layer_8cpp_source.xhtml#l00055">NEL2NormalizeLayer::validate()</a>, <a class="el" href="_c_l_instance_normalization_layer_kernel_8cpp_source.xhtml#l00116">CLInstanceNormalizationLayerKernel::validate()</a>, <a class="el" href="_n_e_instance_normalization_layer_8cpp_source.xhtml#l00065">NEInstanceNormalizationLayer::validate()</a>, <a class="el" href="_c_l_l2_normalize_layer_8cpp_source.xhtml#l00064">CLL2NormalizeLayer::validate()</a>, <a class="el" href="_n_e_instance_normalization_layer_kernel_8cpp_source.xhtml#l00216">NEInstanceNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_l2_normalize_layer_kernel_8cpp_source.xhtml#l00153">CLL2NormalizeLayerKernel::validate()</a>, <a class="el" href="_n_e_mean_std_dev_normalization_kernel_8cpp_source.xhtml#l00187">NEMeanStdDevNormalizationKernel::validate()</a>, <a class="el" href="_c_l_batch_normalization_layer_8cpp_source.xhtml#l00046">CLBatchNormalizationLayer::validate()</a>, <a class="el" href="_n_e_batch_normalization_layer_8cpp_source.xhtml#l00047">NEBatchNormalizationLayer::validate()</a>, <a class="el" href="_g_c_batch_normalization_layer_kernel_8cpp_source.xhtml#l00191">GCBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_batch_normalization_layer_kernel_8cpp_source.xhtml#l00207">CLBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00168">CLFuseBatchNormalizationKernel::validate()</a>, <a class="el" href="_n_e_batch_normalization_layer_kernel_8cpp_source.xhtml#l00456">NEBatchNormalizationLayerKernel::validate()</a>, <a class="el" href="_c_l_fuse_batch_normalization_8cpp_source.xhtml#l00047">CLFuseBatchNormalization::validate()</a>, <a class="el" href="_n_e_fuse_batch_normalization_8cpp_source.xhtml#l00047">NEFuseBatchNormalization::validate()</a>, and <a class="el" href="_n_e_fuse_batch_normalization_kernel_8cpp_source.xhtml#l00498">NEFuseBatchNormalizationKernel::validate()</a>.</p>
481
482</div>
483</div>
484<a id="ab153bd5bebd2a695c5d2c79801d0abec"></a>
485<h2 class="memtitle"><span class="permalink"><a href="#ab153bd5bebd2a695c5d2c79801d0abec">&#9670;&nbsp;</a></span>fixed_point_one_Q0</h2>
486
487<div class="memitem">
488<div class="memproto">
489 <table class="memname">
490 <tr>
491 <td class="memname">constexpr int64_t fixed_point_one_Q0 = (1LL &lt;&lt; 31)</td>
492 </tr>
493 </table>
494</div><div class="memdoc">
495
496<p class="definition">Definition at line <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00035">35</a> of file <a class="el" href="_asymm_helpers_8cpp_source.xhtml">AsymmHelpers.cpp</a>.</p>
497
498<p class="reference">Referenced by <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00090">calculate_quantized_multiplier_greater_than_one()</a>, and <a class="el" href="_asymm_helpers_8cpp_source.xhtml#l00052">calculate_quantized_multiplier_less_than_one()</a>.</p>
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]499
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]500</div>
501</div>
502</div><!-- contents -->
503</div><!-- doc-content -->
504<!-- start footer part -->
505<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
506 <ul>
507 <li class="navelem"><a class="el" href="namespacearm__compute.xhtml">arm_compute</a></li><li class="navelem"><a class="el" href="namespacearm__compute_1_1quantization.xhtml">quantization</a></li>
Jenkins7f09cf72020-01-22 18:08:16 +0000[diff] [blame^]508 <li class="footer">Generated on Wed Jan 22 2020 18:07:59 for Compute Library by
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]509 <a href="http://www.doxygen.org/index.html">
Jenkins514be652019-02-28 12:25:18 +0000[diff] [blame]510 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li>
Anthony Barbier8140e1e2017-12-14 23:48:46 +0000[diff] [blame]511 </ul>
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