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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 871448ee8eff790c4ccc3250008dd71170cc78b2 / . / documentation / softmax__layer_8cl.xhtml
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114<div class="header">
115 <div class="summary">
116<a href="#define-members">Macros</a> &#124;
117<a href="#func-members">Functions</a> &#124;
118<a href="#var-members">Variables</a> </div>
119 <div class="headertitle">
120<div class="title">softmax_layer.cl File Reference</div> </div>
121</div><!--header-->
122<div class="contents">
123<div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
124</div>
125<p><a href="softmax__layer_8cl_source.xhtml">Go to the source code of this file.</a></p>
126<table class="memberdecls">
127<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
128Macros</h2></td></tr>
129<tr class="memitem:a80b22c555ddadb47cc6ca338a9c49126"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#a80b22c555ddadb47cc6ca338a9c49126">MINVAL</a>&#160;&#160;&#160;FLT_MIN</td></tr>
130<tr class="separator:a80b22c555ddadb47cc6ca338a9c49126"><td class="memSeparator" colspan="2">&#160;</td></tr>
131<tr class="memitem:af5b2e33e3c5fcaab3a213f26c2300170"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#af5b2e33e3c5fcaab3a213f26c2300170">SELECT_DATA_TYPE</a>&#160;&#160;&#160;int</td></tr>
132<tr class="separator:af5b2e33e3c5fcaab3a213f26c2300170"><td class="memSeparator" colspan="2">&#160;</td></tr>
133<tr class="memitem:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>&#160;&#160;&#160;float</td></tr>
134<tr class="separator:afb8c72ce35c4a1f4a2588d6573e54aa1"><td class="memSeparator" colspan="2">&#160;</td></tr>
135</table><table class="memberdecls">
136<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
137Functions</h2></td></tr>
138<tr class="memitem:a67da577562e431fc20c5cd8a1e8ddf21"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#a67da577562e431fc20c5cd8a1e8ddf21">softmax_layer_max</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes, uint width)</td></tr>
139<tr class="memdesc:a67da577562e431fc20c5cd8a1e8ddf21"><td class="mdescLeft">&#160;</td><td class="mdescRight">Identifies the maximum value across the 1st dimension. <a href="#a67da577562e431fc20c5cd8a1e8ddf21">More...</a><br /></td></tr>
140<tr class="separator:a67da577562e431fc20c5cd8a1e8ddf21"><td class="memSeparator" colspan="2">&#160;</td></tr>
141<tr class="memitem:aaf2858ffa79555d18154eae8a32db43e"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#aaf2858ffa79555d18154eae8a32db43e">softmax_layer_shift_exp_sum</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *max_ptr, uint max_stride_x, uint max_step_x, uint max_stride_y, uint max_step_y, uint max_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes, __global uchar *sum_ptr, uint sum_stride_x, uint sum_step_x, uint sum_stride_y, uint sum_step_y, uint sum_offset_first_element_in_bytes, uint width)</td></tr>
142<tr class="memdesc:aaf2858ffa79555d18154eae8a32db43e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Shifts the values of the input tensor by the max calculated in softmax_layer_max kernel, then gets the exponent of each element as sums all elements across each row. <a href="#aaf2858ffa79555d18154eae8a32db43e">More...</a><br /></td></tr>
143<tr class="separator:aaf2858ffa79555d18154eae8a32db43e"><td class="memSeparator" colspan="2">&#160;</td></tr>
144<tr class="memitem:a317069d3b4107b4b8157c8b09e30745f"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#a317069d3b4107b4b8157c8b09e30745f">softmax_layer_norm</a> (__global uchar *src_ptr, uint src_stride_x, uint src_step_x, uint src_stride_y, uint src_step_y, uint src_offset_first_element_in_bytes, __global uchar *sum_ptr, uint sum_stride_x, uint sum_step_x, uint sum_stride_y, uint sum_step_y, uint sum_offset_first_element_in_bytes, __global uchar *dst_ptr, uint dst_stride_x, uint dst_step_x, uint dst_stride_y, uint dst_step_y, uint dst_offset_first_element_in_bytes)</td></tr>
145<tr class="memdesc:a317069d3b4107b4b8157c8b09e30745f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Divides all the values of the input tensor by the sum calculated from softmax_layer_shift_exp_sum kernel. <a href="#a317069d3b4107b4b8157c8b09e30745f">More...</a><br /></td></tr>
146<tr class="separator:a317069d3b4107b4b8157c8b09e30745f"><td class="memSeparator" colspan="2">&#160;</td></tr>
147</table><table class="memberdecls">
148<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
149Variables</h2></td></tr>
150<tr class="memitem:a5505428916dfe70b40b32686c57e8436"><td class="memItemLeft" align="right" valign="top">__constant float16&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#a5505428916dfe70b40b32686c57e8436">type_min</a> = ( float16 )( FLT_MIN )</td></tr>
151<tr class="separator:a5505428916dfe70b40b32686c57e8436"><td class="memSeparator" colspan="2">&#160;</td></tr>
152<tr class="memitem:a0712735973f172ac9efc7d48a31e47ad"><td class="memItemLeft" align="right" valign="top">__constant uint16&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="softmax__layer_8cl.xhtml#a0712735973f172ac9efc7d48a31e47ad">idx16</a> = (uint16)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)</td></tr>
153<tr class="separator:a0712735973f172ac9efc7d48a31e47ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
154</table>
155<h2 class="groupheader">Macro Definition Documentation</h2>
156<a class="anchor" id="afb8c72ce35c4a1f4a2588d6573e54aa1"></a>
157<div class="memitem">
158<div class="memproto">
159 <table class="memname">
160 <tr>
161 <td class="memname">#define DATA_TYPE&#160;&#160;&#160;float</td>
162 </tr>
163 </table>
164</div><div class="memdoc">
165
166<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00033">33</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
167
168<p>Referenced by <a class="el" href="softmax__layer_8cl_source.xhtml#l00207">softmax_layer_norm()</a>, and <a class="el" href="softmax__layer_8cl_source.xhtml#l00132">softmax_layer_shift_exp_sum()</a>.</p>
169
170</div>
171</div>
172<a class="anchor" id="a80b22c555ddadb47cc6ca338a9c49126"></a>
173<div class="memitem">
174<div class="memproto">
175 <table class="memname">
176 <tr>
177 <td class="memname">#define MINVAL&#160;&#160;&#160;FLT_MIN</td>
178 </tr>
179 </table>
180</div><div class="memdoc">
181
182<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00031">31</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
183
184</div>
185</div>
186<a class="anchor" id="af5b2e33e3c5fcaab3a213f26c2300170"></a>
187<div class="memitem">
188<div class="memproto">
189 <table class="memname">
190 <tr>
191 <td class="memname">#define SELECT_DATA_TYPE&#160;&#160;&#160;int</td>
192 </tr>
193 </table>
194</div><div class="memdoc">
195
196<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00032">32</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
197
198<p>Referenced by <a class="el" href="softmax__layer_8cl_source.xhtml#l00059">softmax_layer_max()</a>, and <a class="el" href="softmax__layer_8cl_source.xhtml#l00132">softmax_layer_shift_exp_sum()</a>.</p>
199
200</div>
201</div>
202<h2 class="groupheader">Function Documentation</h2>
203<a class="anchor" id="a67da577562e431fc20c5cd8a1e8ddf21"></a>
204<div class="memitem">
205<div class="memproto">
206 <table class="memname">
207 <tr>
208 <td class="memname">__kernel void softmax_layer_max </td>
209 <td>(</td>
210 <td class="paramtype">__global uchar *&#160;</td>
211 <td class="paramname"><em>src_ptr</em>, </td>
212 </tr>
213 <tr>
214 <td class="paramkey"></td>
215 <td></td>
216 <td class="paramtype">uint&#160;</td>
217 <td class="paramname"><em>src_stride_x</em>, </td>
218 </tr>
219 <tr>
220 <td class="paramkey"></td>
221 <td></td>
222 <td class="paramtype">uint&#160;</td>
223 <td class="paramname"><em>src_step_x</em>, </td>
224 </tr>
225 <tr>
226 <td class="paramkey"></td>
227 <td></td>
228 <td class="paramtype">uint&#160;</td>
229 <td class="paramname"><em>src_stride_y</em>, </td>
230 </tr>
231 <tr>
232 <td class="paramkey"></td>
233 <td></td>
234 <td class="paramtype">uint&#160;</td>
235 <td class="paramname"><em>src_step_y</em>, </td>
236 </tr>
237 <tr>
238 <td class="paramkey"></td>
239 <td></td>
240 <td class="paramtype">uint&#160;</td>
241 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
242 </tr>
243 <tr>
244 <td class="paramkey"></td>
245 <td></td>
246 <td class="paramtype">__global uchar *&#160;</td>
247 <td class="paramname"><em>dst_ptr</em>, </td>
248 </tr>
249 <tr>
250 <td class="paramkey"></td>
251 <td></td>
252 <td class="paramtype">uint&#160;</td>
253 <td class="paramname"><em>dst_stride_x</em>, </td>
254 </tr>
255 <tr>
256 <td class="paramkey"></td>
257 <td></td>
258 <td class="paramtype">uint&#160;</td>
259 <td class="paramname"><em>dst_step_x</em>, </td>
260 </tr>
261 <tr>
262 <td class="paramkey"></td>
263 <td></td>
264 <td class="paramtype">uint&#160;</td>
265 <td class="paramname"><em>dst_stride_y</em>, </td>
266 </tr>
267 <tr>
268 <td class="paramkey"></td>
269 <td></td>
270 <td class="paramtype">uint&#160;</td>
271 <td class="paramname"><em>dst_step_y</em>, </td>
272 </tr>
273 <tr>
274 <td class="paramkey"></td>
275 <td></td>
276 <td class="paramtype">uint&#160;</td>
277 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
278 </tr>
279 <tr>
280 <td class="paramkey"></td>
281 <td></td>
282 <td class="paramtype">uint&#160;</td>
283 <td class="paramname"><em>width</em>&#160;</td>
284 </tr>
285 <tr>
286 <td></td>
287 <td>)</td>
288 <td></td><td></td>
289 </tr>
290 </table>
291</div><div class="memdoc">
292
293<p>Identifies the maximum value across the 1st dimension. </p>
294<dl class="section note"><dt>Note</dt><dd>Datatype must be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short </dd>
295<dd>
296In case F16 is used -DUSE_HALF must be passed otherwise the kernel will default to used F32. </dd>
297<dd>
298In case the input is not multiple of 16 -DNON_MULTIPLE_OF_16 must be passed.</dd></dl>
299<dl class="params"><dt>Parameters</dt><dd>
300 <table class="params">
301 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source tensor slice. Supported data types: F16, F32 </td></tr>
302 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source tensor in X dimension (in bytes) </td></tr>
303 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
304 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source tensor in Y dimension (in bytes) </td></tr>
305 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
306 <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source tensor </td></tr>
307 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination tensor slice. Supported data types: F16, F32 </td></tr>
308 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination tensor in X dimension (in bytes) </td></tr>
309 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
310 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination tensor in Y dimension (in bytes) </td></tr>
311 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
312 <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination tensor </td></tr>
313 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Input image width </td></tr>
314 </table>
315 </dd>
316</dl>
317
318<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00059">59</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
319
320<p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00037">idx16</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00032">SELECT_DATA_TYPE</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00036">type_min</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
321<div class="fragment"><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;{</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</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="comment">// Initialize local maximum</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; max_val = (<a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16))<a class="code" href="softmax__layer_8cl.xhtml#a5505428916dfe70b40b32686c57e8436">type_min</a>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// Calculate max of row</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; const uint width4 = width &gt;&gt; 4;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; for(uint i = 0; i &lt; width4; i++)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; data = vload16(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, i &lt;&lt; 4, 0));</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; max_val = max(data, max_val);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</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;<span class="preprocessor">#if defined NON_MULTIPLE_OF_16</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// Handle non multiple of 16</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE, 16)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; data = vload16(0, (__global DATA_TYPE *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, width4 &lt;&lt; 4, 0));</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#af5b2e33e3c5fcaab3a213f26c2300170">SELECT_DATA_TYPE</a>, 16)</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; widx = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(((uint16)(width4 &lt;&lt; 4) + <a class="code" href="softmax__layer_8cl.xhtml#a0712735973f172ac9efc7d48a31e47ad">idx16</a>) &lt; width, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(SELECT_DATA_TYPE, 16));</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; max_val = max(max_val, select(type_min, data, widx));</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">// Perform max reduction</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; max_val.s01234567 = max(max_val.s01234567, max_val.s89ABCDEF);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; max_val.s0123 = max(max_val.s0123, max_val.s4567);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; max_val.s01 = max(max_val.s01, max_val.s23);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; max_val.s0 = max(max_val.s0, max_val.s1);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="comment">// Store result</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; *((__global DATA_TYPE *)dst.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>) = max_val.s0;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
322<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
323<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
324<div class="ttc" id="softmax__layer_8cl_xhtml_af5b2e33e3c5fcaab3a213f26c2300170"><div class="ttname"><a href="softmax__layer_8cl.xhtml#af5b2e33e3c5fcaab3a213f26c2300170">SELECT_DATA_TYPE</a></div><div class="ttdeci">#define SELECT_DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00032">softmax_layer.cl:32</a></div></div>
325<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
326<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
327<div class="ttc" id="softmax__layer_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00033">softmax_layer.cl:33</a></div></div>
328<div class="ttc" id="softmax__layer_8cl_xhtml_a5505428916dfe70b40b32686c57e8436"><div class="ttname"><a href="softmax__layer_8cl.xhtml#a5505428916dfe70b40b32686c57e8436">type_min</a></div><div class="ttdeci">__constant float16 type_min</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00036">softmax_layer.cl:36</a></div></div>
329<div class="ttc" id="softmax__layer_8cl_xhtml_a0712735973f172ac9efc7d48a31e47ad"><div class="ttname"><a href="softmax__layer_8cl.xhtml#a0712735973f172ac9efc7d48a31e47ad">idx16</a></div><div class="ttdeci">__constant uint16 idx16</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00037">softmax_layer.cl:37</a></div></div>
330<div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div>
331</div><!-- fragment -->
332</div>
333</div>
334<a class="anchor" id="a317069d3b4107b4b8157c8b09e30745f"></a>
335<div class="memitem">
336<div class="memproto">
337 <table class="memname">
338 <tr>
339 <td class="memname">__kernel void softmax_layer_norm </td>
340 <td>(</td>
341 <td class="paramtype">__global uchar *&#160;</td>
342 <td class="paramname"><em>src_ptr</em>, </td>
343 </tr>
344 <tr>
345 <td class="paramkey"></td>
346 <td></td>
347 <td class="paramtype">uint&#160;</td>
348 <td class="paramname"><em>src_stride_x</em>, </td>
349 </tr>
350 <tr>
351 <td class="paramkey"></td>
352 <td></td>
353 <td class="paramtype">uint&#160;</td>
354 <td class="paramname"><em>src_step_x</em>, </td>
355 </tr>
356 <tr>
357 <td class="paramkey"></td>
358 <td></td>
359 <td class="paramtype">uint&#160;</td>
360 <td class="paramname"><em>src_stride_y</em>, </td>
361 </tr>
362 <tr>
363 <td class="paramkey"></td>
364 <td></td>
365 <td class="paramtype">uint&#160;</td>
366 <td class="paramname"><em>src_step_y</em>, </td>
367 </tr>
368 <tr>
369 <td class="paramkey"></td>
370 <td></td>
371 <td class="paramtype">uint&#160;</td>
372 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
373 </tr>
374 <tr>
375 <td class="paramkey"></td>
376 <td></td>
377 <td class="paramtype">__global uchar *&#160;</td>
378 <td class="paramname"><em>sum_ptr</em>, </td>
379 </tr>
380 <tr>
381 <td class="paramkey"></td>
382 <td></td>
383 <td class="paramtype">uint&#160;</td>
384 <td class="paramname"><em>sum_stride_x</em>, </td>
385 </tr>
386 <tr>
387 <td class="paramkey"></td>
388 <td></td>
389 <td class="paramtype">uint&#160;</td>
390 <td class="paramname"><em>sum_step_x</em>, </td>
391 </tr>
392 <tr>
393 <td class="paramkey"></td>
394 <td></td>
395 <td class="paramtype">uint&#160;</td>
396 <td class="paramname"><em>sum_stride_y</em>, </td>
397 </tr>
398 <tr>
399 <td class="paramkey"></td>
400 <td></td>
401 <td class="paramtype">uint&#160;</td>
402 <td class="paramname"><em>sum_step_y</em>, </td>
403 </tr>
404 <tr>
405 <td class="paramkey"></td>
406 <td></td>
407 <td class="paramtype">uint&#160;</td>
408 <td class="paramname"><em>sum_offset_first_element_in_bytes</em>, </td>
409 </tr>
410 <tr>
411 <td class="paramkey"></td>
412 <td></td>
413 <td class="paramtype">__global uchar *&#160;</td>
414 <td class="paramname"><em>dst_ptr</em>, </td>
415 </tr>
416 <tr>
417 <td class="paramkey"></td>
418 <td></td>
419 <td class="paramtype">uint&#160;</td>
420 <td class="paramname"><em>dst_stride_x</em>, </td>
421 </tr>
422 <tr>
423 <td class="paramkey"></td>
424 <td></td>
425 <td class="paramtype">uint&#160;</td>
426 <td class="paramname"><em>dst_step_x</em>, </td>
427 </tr>
428 <tr>
429 <td class="paramkey"></td>
430 <td></td>
431 <td class="paramtype">uint&#160;</td>
432 <td class="paramname"><em>dst_stride_y</em>, </td>
433 </tr>
434 <tr>
435 <td class="paramkey"></td>
436 <td></td>
437 <td class="paramtype">uint&#160;</td>
438 <td class="paramname"><em>dst_step_y</em>, </td>
439 </tr>
440 <tr>
441 <td class="paramkey"></td>
442 <td></td>
443 <td class="paramtype">uint&#160;</td>
444 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>&#160;</td>
445 </tr>
446 <tr>
447 <td></td>
448 <td>)</td>
449 <td></td><td></td>
450 </tr>
451 </table>
452</div><div class="memdoc">
453
454<p>Divides all the values of the input tensor by the sum calculated from softmax_layer_shift_exp_sum kernel. </p>
455<dl class="section note"><dt>Note</dt><dd>Datatype must be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short</dd></dl>
456<dl class="params"><dt>Parameters</dt><dd>
457 <table class="params">
458 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source tensor slice. Supported data types: F16, F32 </td></tr>
459 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source tensor in X dimension (in bytes) </td></tr>
460 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
461 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source tensor in Y dimension (in bytes) </td></tr>
462 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
463 <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source tensor </td></tr>
464 <tr><td class="paramdir">[in]</td><td class="paramname">sum_ptr</td><td>Pointer to the sum values tensor slice. Supported data types: F16, F32 </td></tr>
465 <tr><td class="paramdir">[in]</td><td class="paramname">sum_stride_x</td><td>Stride of the sum values tensor in X dimension (in bytes) </td></tr>
466 <tr><td class="paramdir">[in]</td><td class="paramname">sum_step_x</td><td>sum_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
467 <tr><td class="paramdir">[in]</td><td class="paramname">sum_stride_y</td><td>Stride of the sum values tensor in Y dimension (in bytes) </td></tr>
468 <tr><td class="paramdir">[in]</td><td class="paramname">sum_step_y</td><td>sum_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
469 <tr><td class="paramdir">[in]</td><td class="paramname">sum_offset_first_element_in_bytes</td><td>The offset of the first element in the sum values tensor </td></tr>
470 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination tensor slice. Supported data types: F16, F32 </td></tr>
471 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination tensor in X dimension (in bytes) </td></tr>
472 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
473 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination tensor in Y dimension (in bytes) </td></tr>
474 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
475 <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination tensor </td></tr>
476 </table>
477 </dd>
478</dl>
479
480<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00207">207</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
481
482<p>References <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00076">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00033">DATA_TYPE</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
483<div class="fragment"><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;{</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> sum = <a class="code" href="helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a>(sum);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="comment">// Load max value of 1D logits vector (row)</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> sum_val = *((__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;sum, 0, get_global_id(1)));</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; data = vload16(0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, 0, 0));</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; vstore16(data / sum_val, 0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;dst, 0, 0));</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a4334a4a76f8e9628c0fb9e1acf616e2a"><div class="ttname"><a href="helpers_8h.xhtml#a4334a4a76f8e9628c0fb9e1acf616e2a">CONVERT_TO_IMAGE_STRUCT_NO_STEP</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT_NO_STEP(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00076">helpers.h:76</a></div></div>
484<div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
485<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
486<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
487<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
488<div class="ttc" id="softmax__layer_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00033">softmax_layer.cl:33</a></div></div>
489</div><!-- fragment -->
490</div>
491</div>
492<a class="anchor" id="aaf2858ffa79555d18154eae8a32db43e"></a>
493<div class="memitem">
494<div class="memproto">
495 <table class="memname">
496 <tr>
497 <td class="memname">__kernel void softmax_layer_shift_exp_sum </td>
498 <td>(</td>
499 <td class="paramtype">__global uchar *&#160;</td>
500 <td class="paramname"><em>src_ptr</em>, </td>
501 </tr>
502 <tr>
503 <td class="paramkey"></td>
504 <td></td>
505 <td class="paramtype">uint&#160;</td>
506 <td class="paramname"><em>src_stride_x</em>, </td>
507 </tr>
508 <tr>
509 <td class="paramkey"></td>
510 <td></td>
511 <td class="paramtype">uint&#160;</td>
512 <td class="paramname"><em>src_step_x</em>, </td>
513 </tr>
514 <tr>
515 <td class="paramkey"></td>
516 <td></td>
517 <td class="paramtype">uint&#160;</td>
518 <td class="paramname"><em>src_stride_y</em>, </td>
519 </tr>
520 <tr>
521 <td class="paramkey"></td>
522 <td></td>
523 <td class="paramtype">uint&#160;</td>
524 <td class="paramname"><em>src_step_y</em>, </td>
525 </tr>
526 <tr>
527 <td class="paramkey"></td>
528 <td></td>
529 <td class="paramtype">uint&#160;</td>
530 <td class="paramname"><em>src_offset_first_element_in_bytes</em>, </td>
531 </tr>
532 <tr>
533 <td class="paramkey"></td>
534 <td></td>
535 <td class="paramtype">__global uchar *&#160;</td>
536 <td class="paramname"><em>max_ptr</em>, </td>
537 </tr>
538 <tr>
539 <td class="paramkey"></td>
540 <td></td>
541 <td class="paramtype">uint&#160;</td>
542 <td class="paramname"><em>max_stride_x</em>, </td>
543 </tr>
544 <tr>
545 <td class="paramkey"></td>
546 <td></td>
547 <td class="paramtype">uint&#160;</td>
548 <td class="paramname"><em>max_step_x</em>, </td>
549 </tr>
550 <tr>
551 <td class="paramkey"></td>
552 <td></td>
553 <td class="paramtype">uint&#160;</td>
554 <td class="paramname"><em>max_stride_y</em>, </td>
555 </tr>
556 <tr>
557 <td class="paramkey"></td>
558 <td></td>
559 <td class="paramtype">uint&#160;</td>
560 <td class="paramname"><em>max_step_y</em>, </td>
561 </tr>
562 <tr>
563 <td class="paramkey"></td>
564 <td></td>
565 <td class="paramtype">uint&#160;</td>
566 <td class="paramname"><em>max_offset_first_element_in_bytes</em>, </td>
567 </tr>
568 <tr>
569 <td class="paramkey"></td>
570 <td></td>
571 <td class="paramtype">__global uchar *&#160;</td>
572 <td class="paramname"><em>dst_ptr</em>, </td>
573 </tr>
574 <tr>
575 <td class="paramkey"></td>
576 <td></td>
577 <td class="paramtype">uint&#160;</td>
578 <td class="paramname"><em>dst_stride_x</em>, </td>
579 </tr>
580 <tr>
581 <td class="paramkey"></td>
582 <td></td>
583 <td class="paramtype">uint&#160;</td>
584 <td class="paramname"><em>dst_step_x</em>, </td>
585 </tr>
586 <tr>
587 <td class="paramkey"></td>
588 <td></td>
589 <td class="paramtype">uint&#160;</td>
590 <td class="paramname"><em>dst_stride_y</em>, </td>
591 </tr>
592 <tr>
593 <td class="paramkey"></td>
594 <td></td>
595 <td class="paramtype">uint&#160;</td>
596 <td class="paramname"><em>dst_step_y</em>, </td>
597 </tr>
598 <tr>
599 <td class="paramkey"></td>
600 <td></td>
601 <td class="paramtype">uint&#160;</td>
602 <td class="paramname"><em>dst_offset_first_element_in_bytes</em>, </td>
603 </tr>
604 <tr>
605 <td class="paramkey"></td>
606 <td></td>
607 <td class="paramtype">__global uchar *&#160;</td>
608 <td class="paramname"><em>sum_ptr</em>, </td>
609 </tr>
610 <tr>
611 <td class="paramkey"></td>
612 <td></td>
613 <td class="paramtype">uint&#160;</td>
614 <td class="paramname"><em>sum_stride_x</em>, </td>
615 </tr>
616 <tr>
617 <td class="paramkey"></td>
618 <td></td>
619 <td class="paramtype">uint&#160;</td>
620 <td class="paramname"><em>sum_step_x</em>, </td>
621 </tr>
622 <tr>
623 <td class="paramkey"></td>
624 <td></td>
625 <td class="paramtype">uint&#160;</td>
626 <td class="paramname"><em>sum_stride_y</em>, </td>
627 </tr>
628 <tr>
629 <td class="paramkey"></td>
630 <td></td>
631 <td class="paramtype">uint&#160;</td>
632 <td class="paramname"><em>sum_step_y</em>, </td>
633 </tr>
634 <tr>
635 <td class="paramkey"></td>
636 <td></td>
637 <td class="paramtype">uint&#160;</td>
638 <td class="paramname"><em>sum_offset_first_element_in_bytes</em>, </td>
639 </tr>
640 <tr>
641 <td class="paramkey"></td>
642 <td></td>
643 <td class="paramtype">uint&#160;</td>
644 <td class="paramname"><em>width</em>&#160;</td>
645 </tr>
646 <tr>
647 <td></td>
648 <td>)</td>
649 <td></td><td></td>
650 </tr>
651 </table>
652</div><div class="memdoc">
653
654<p>Shifts the values of the input tensor by the max calculated in softmax_layer_max kernel, then gets the exponent of each element as sums all elements across each row. </p>
655<dl class="section note"><dt>Note</dt><dd>Datatype must be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short </dd>
656<dd>
657In case F16 is used -DUSE_HALF must be passed otherwise the kernel will default to used F32. </dd>
658<dd>
659In case the input is not multiple of 16 -DNON_MULTIPLE_OF_16 must be passed.</dd></dl>
660<dl class="params"><dt>Parameters</dt><dd>
661 <table class="params">
662 <tr><td class="paramdir">[in]</td><td class="paramname">src_ptr</td><td>Pointer to the source tensor slice. Supported data types: F16, F32 </td></tr>
663 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_x</td><td>Stride of the source tensor in X dimension (in bytes) </td></tr>
664 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
665 <tr><td class="paramdir">[in]</td><td class="paramname">src_stride_y</td><td>Stride of the source tensor in Y dimension (in bytes) </td></tr>
666 <tr><td class="paramdir">[in]</td><td class="paramname">src_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
667 <tr><td class="paramdir">[in]</td><td class="paramname">src_offset_first_element_in_bytes</td><td>The offset of the first element in the source tensor </td></tr>
668 <tr><td class="paramdir">[in]</td><td class="paramname">max_ptr</td><td>Pointer to the max values tensor slice. Supported data types: F16, F32 </td></tr>
669 <tr><td class="paramdir">[in]</td><td class="paramname">max_stride_x</td><td>Stride of the max values tensor in X dimension (in bytes) </td></tr>
670 <tr><td class="paramdir">[in]</td><td class="paramname">max_step_x</td><td>max_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
671 <tr><td class="paramdir">[in]</td><td class="paramname">max_stride_y</td><td>Stride of the max values tensor in Y dimension (in bytes) </td></tr>
672 <tr><td class="paramdir">[in]</td><td class="paramname">max_step_y</td><td>max_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
673 <tr><td class="paramdir">[in]</td><td class="paramname">max_offset_first_element_in_bytes</td><td>The offset of the first element in the max values tensor </td></tr>
674 <tr><td class="paramdir">[out]</td><td class="paramname">dst_ptr</td><td>Pointer to the destination tensor slice. Supported data types: F16, F32 </td></tr>
675 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_x</td><td>Stride of the destination tensor in X dimension (in bytes) </td></tr>
676 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
677 <tr><td class="paramdir">[in]</td><td class="paramname">dst_stride_y</td><td>Stride of the destination tensor in Y dimension (in bytes) </td></tr>
678 <tr><td class="paramdir">[in]</td><td class="paramname">dst_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
679 <tr><td class="paramdir">[in]</td><td class="paramname">dst_offset_first_element_in_bytes</td><td>The offset of the first element in the destination tensor </td></tr>
680 <tr><td class="paramdir">[out]</td><td class="paramname">sum_ptr</td><td>Pointer to the sum values tensor slice. Supported data types: F16, F32 </td></tr>
681 <tr><td class="paramdir">[in]</td><td class="paramname">sum_stride_x</td><td>Stride of the sum values tensor in X dimension (in bytes) </td></tr>
682 <tr><td class="paramdir">[in]</td><td class="paramname">sum_step_x</td><td>sum_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
683 <tr><td class="paramdir">[in]</td><td class="paramname">sum_stride_y</td><td>Stride of the sum values tensor in Y dimension (in bytes) </td></tr>
684 <tr><td class="paramdir">[in]</td><td class="paramname">sum_step_y</td><td>sum_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
685 <tr><td class="paramdir">[in]</td><td class="paramname">sum_offset_first_element_in_bytes</td><td>The offset of the first element in the sum values tensor </td></tr>
686 <tr><td class="paramdir">[in]</td><td class="paramname">width</td><td>Input image width </td></tr>
687 </table>
688 </dd>
689</dl>
690
691<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00132">132</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
692
693<p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00033">DATA_TYPE</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00037">idx16</a>, <a class="el" href="helpers_8h_source.xhtml#l00201">offset()</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, <a class="el" href="softmax__layer_8cl_source.xhtml#l00032">SELECT_DATA_TYPE</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
694<div class="fragment"><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;{</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> src = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(src);</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> dst = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(dst);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> max = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(max);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> sum = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(sum);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="comment">// Load max value of 1D logits vector (row)</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> max_val = *((__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;max, 0, 0));</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="comment">// Set sum vector</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; sum1D = 0;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// Shift values, exp and sum</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; const uint width4 = width &gt;&gt; 4;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; for(uint i = 0; i &lt; width4; i++)</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; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; data = vload16(0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, i &lt;&lt; 4, 0));</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; data = exp(data - max_val);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; vstore16(data, 0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;dst, i &lt;&lt; 4, 0));</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; sum1D += data;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;<span class="preprocessor">#if defined NON_MULTIPLE_OF_16</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="comment">// Handle non multiple of 16</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a>, 16)</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; data = vload16(0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;src, width4 &lt;&lt; 4, 0));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; data = exp(data - max_val);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="softmax__layer_8cl.xhtml#af5b2e33e3c5fcaab3a213f26c2300170">SELECT_DATA_TYPE</a>, 16)</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; widx = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(((uint16)(width4 &lt;&lt; 4) + <a class="code" href="softmax__layer_8cl.xhtml#a0712735973f172ac9efc7d48a31e47ad">idx16</a>) &lt; width, <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(SELECT_DATA_TYPE, 16));</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; data = select(0, data, widx);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; vstore16(data, 0, (__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)<a class="code" href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a>(&amp;dst, width4 &lt;&lt; 4, 0));</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; sum1D += data;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;<span class="preprocessor">#endif</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="comment">// Perform min/max reduction</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; sum1D.s01234567 = sum1D.s01234567 + sum1D.s89ABCDEF;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; sum1D.s0123 = sum1D.s0123 + sum1D.s4567;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; sum1D.s01 = sum1D.s01 + sum1D.s23;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; sum1D.s0 = sum1D.s0 + sum1D.s1;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// Calculate and store result</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; *((__global <a class="code" href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a> *)sum.<a class="code" href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>) = sum1D.s0;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_a009469e4d9b8fce3b6d5e97d2077827d"><div class="ttname"><a href="helpers_8h.xhtml#a009469e4d9b8fce3b6d5e97d2077827d">offset</a></div><div class="ttdeci">__global uchar * offset(const Image *img, int x, int y)</div><div class="ttdoc">Get the pointer position of a Image. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00201">helpers.h:201</a></div></div>
695<div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
696<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
697<div class="ttc" id="softmax__layer_8cl_xhtml_af5b2e33e3c5fcaab3a213f26c2300170"><div class="ttname"><a href="softmax__layer_8cl.xhtml#af5b2e33e3c5fcaab3a213f26c2300170">SELECT_DATA_TYPE</a></div><div class="ttdeci">#define SELECT_DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00032">softmax_layer.cl:32</a></div></div>
698<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
699<div class="ttc" id="struct_image_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_image.xhtml#acf52c23cbd7424606c10a606524e3e32">Image::ptr</a></div><div class="ttdeci">__global uchar * ptr</div><div class="ttdoc">Pointer to the starting postion of the buffer. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00097">helpers.h:97</a></div></div>
700<div class="ttc" id="softmax__layer_8cl_xhtml_afb8c72ce35c4a1f4a2588d6573e54aa1"><div class="ttname"><a href="softmax__layer_8cl.xhtml#afb8c72ce35c4a1f4a2588d6573e54aa1">DATA_TYPE</a></div><div class="ttdeci">#define DATA_TYPE</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00033">softmax_layer.cl:33</a></div></div>
701<div class="ttc" id="softmax__layer_8cl_xhtml_a0712735973f172ac9efc7d48a31e47ad"><div class="ttname"><a href="softmax__layer_8cl.xhtml#a0712735973f172ac9efc7d48a31e47ad">idx16</a></div><div class="ttdeci">__constant uint16 idx16</div><div class="ttdef"><b>Definition:</b> <a href="softmax__layer_8cl_source.xhtml#l00037">softmax_layer.cl:37</a></div></div>
702<div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div>
703</div><!-- fragment -->
704</div>
705</div>
706<h2 class="groupheader">Variable Documentation</h2>
707<a class="anchor" id="a0712735973f172ac9efc7d48a31e47ad"></a>
708<div class="memitem">
709<div class="memproto">
710 <table class="memname">
711 <tr>
712 <td class="memname">__constant uint16 idx16 = (uint16)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)</td>
713 </tr>
714 </table>
715</div><div class="memdoc">
716
717<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00037">37</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
718
719<p>Referenced by <a class="el" href="softmax__layer_8cl_source.xhtml#l00059">softmax_layer_max()</a>, and <a class="el" href="softmax__layer_8cl_source.xhtml#l00132">softmax_layer_shift_exp_sum()</a>.</p>
720
721</div>
722</div>
723<a class="anchor" id="a5505428916dfe70b40b32686c57e8436"></a>
724<div class="memitem">
725<div class="memproto">
726 <table class="memname">
727 <tr>
728 <td class="memname">__constant float16 type_min = ( float16 )( FLT_MIN )</td>
729 </tr>
730 </table>
731</div><div class="memdoc">
732
733<p>Definition at line <a class="el" href="softmax__layer_8cl_source.xhtml#l00036">36</a> of file <a class="el" href="softmax__layer_8cl_source.xhtml">softmax_layer.cl</a>.</p>
734
735<p>Referenced by <a class="el" href="softmax__layer_8cl_source.xhtml#l00059">softmax_layer_max()</a>.</p>
736
737</div>
738</div>
739</div><!-- contents -->
740</div><!-- doc-content -->
741<!-- start footer part -->
742<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
743 <ul>
744 <li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.xhtml">src</a></li><li class="navelem"><a class="el" href="dir_aebb8dcc11953d78e620bbef0b9e2183.xhtml">core</a></li><li class="navelem"><a class="el" href="dir_8c278f79c760e5c5fbd911f9870614c1.xhtml">CL</a></li><li class="navelem"><a class="el" href="dir_25885286e9dad4fa105b7b25a8031bbf.xhtml">cl_kernels</a></li><li class="navelem"><a class="el" href="softmax__layer_8cl.xhtml">softmax_layer.cl</a></li>
745 <li class="footer">Generated on Fri Mar 24 2017 17:23:50 for ARM Compute Library by
746 <a href="http://www.doxygen.org/index.html">
747 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>
748 </ul>
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