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119 <div class="title">dequantization_layer.cl File Reference</div> </div>
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122 <div class="textblock"><code>#include "<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>"</code><br />
124 <p><a href="dequantization__layer_8cl_source.xhtml">Go to the source code of this file.</a></p>
125 <table class="memberdecls">
126 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
127 Functions</h2></td></tr>
128 <tr class="memitem:a60e9b00d30a2743653c1f589e33467b9"><td class="memItemLeft" align="right" valign="top">__kernel void </td><td class="memItemRight" valign="bottom"><a class="el" href="dequantization__layer_8cl.xhtml#a60e9b00d30a2743653c1f589e33467b9">dequantization_layer</a> (__global uchar *input_ptr, uint input_stride_x, uint input_step_x, uint input_stride_y, uint input_step_y, uint input_stride_z, uint input_step_z, uint input_offset_first_element_in_bytes, __global uchar *output_ptr, uint output_stride_x, uint output_step_x, uint output_stride_y, uint output_step_y, uint output_stride_z, uint output_step_z, uint output_offset_first_element_in_bytes, __global uchar *min_max_ptr, uint min_max_stride_x, uint min_max_step_x, uint min_max_offset_first_element_in_bytes)</td></tr>
129 <tr class="memdesc:a60e9b00d30a2743653c1f589e33467b9"><td class="mdescLeft"> </td><td class="mdescRight">This performs the dequantization of 8-bit unsigned integers to floating point. <a href="#a60e9b00d30a2743653c1f589e33467b9">More...</a><br /></td></tr>
130 <tr class="separator:a60e9b00d30a2743653c1f589e33467b9"><td class="memSeparator" colspan="2"> </td></tr>
132 <h2 class="groupheader">Function Documentation</h2>
133 <a class="anchor" id="a60e9b00d30a2743653c1f589e33467b9"></a>
134 <div class="memitem">
135 <div class="memproto">
136 <table class="memname">
138 <td class="memname">__kernel void dequantization_layer </td>
140 <td class="paramtype">__global uchar * </td>
141 <td class="paramname"><em>input_ptr</em>, </td>
144 <td class="paramkey"></td>
146 <td class="paramtype">uint </td>
147 <td class="paramname"><em>input_stride_x</em>, </td>
150 <td class="paramkey"></td>
152 <td class="paramtype">uint </td>
153 <td class="paramname"><em>input_step_x</em>, </td>
156 <td class="paramkey"></td>
158 <td class="paramtype">uint </td>
159 <td class="paramname"><em>input_stride_y</em>, </td>
162 <td class="paramkey"></td>
164 <td class="paramtype">uint </td>
165 <td class="paramname"><em>input_step_y</em>, </td>
168 <td class="paramkey"></td>
170 <td class="paramtype">uint </td>
171 <td class="paramname"><em>input_stride_z</em>, </td>
174 <td class="paramkey"></td>
176 <td class="paramtype">uint </td>
177 <td class="paramname"><em>input_step_z</em>, </td>
180 <td class="paramkey"></td>
182 <td class="paramtype">uint </td>
183 <td class="paramname"><em>input_offset_first_element_in_bytes</em>, </td>
186 <td class="paramkey"></td>
188 <td class="paramtype">__global uchar * </td>
189 <td class="paramname"><em>output_ptr</em>, </td>
192 <td class="paramkey"></td>
194 <td class="paramtype">uint </td>
195 <td class="paramname"><em>output_stride_x</em>, </td>
198 <td class="paramkey"></td>
200 <td class="paramtype">uint </td>
201 <td class="paramname"><em>output_step_x</em>, </td>
204 <td class="paramkey"></td>
206 <td class="paramtype">uint </td>
207 <td class="paramname"><em>output_stride_y</em>, </td>
210 <td class="paramkey"></td>
212 <td class="paramtype">uint </td>
213 <td class="paramname"><em>output_step_y</em>, </td>
216 <td class="paramkey"></td>
218 <td class="paramtype">uint </td>
219 <td class="paramname"><em>output_stride_z</em>, </td>
222 <td class="paramkey"></td>
224 <td class="paramtype">uint </td>
225 <td class="paramname"><em>output_step_z</em>, </td>
228 <td class="paramkey"></td>
230 <td class="paramtype">uint </td>
231 <td class="paramname"><em>output_offset_first_element_in_bytes</em>, </td>
234 <td class="paramkey"></td>
236 <td class="paramtype">__global uchar * </td>
237 <td class="paramname"><em>min_max_ptr</em>, </td>
240 <td class="paramkey"></td>
242 <td class="paramtype">uint </td>
243 <td class="paramname"><em>min_max_stride_x</em>, </td>
246 <td class="paramkey"></td>
248 <td class="paramtype">uint </td>
249 <td class="paramname"><em>min_max_step_x</em>, </td>
252 <td class="paramkey"></td>
254 <td class="paramtype">uint </td>
255 <td class="paramname"><em>min_max_offset_first_element_in_bytes</em> </td>
263 </div><div class="memdoc">
265 <p>This performs the dequantization of 8-bit unsigned integers to floating point. </p>
266 <dl class="params"><dt>Parameters</dt><dd>
267 <table class="params">
268 <tr><td class="paramdir">[in]</td><td class="paramname">input_ptr</td><td>Pointer to the source image. Supported data types: QS8/QS16/F16/F32 </td></tr>
269 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_x</td><td>Stride of the source image in X dimension (in bytes) </td></tr>
270 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_x</td><td>input_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
271 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_y</td><td>Stride of the source image in Y dimension (in bytes) </td></tr>
272 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_y</td><td>input_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
273 <tr><td class="paramdir">[in]</td><td class="paramname">input_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
274 <tr><td class="paramdir">[in]</td><td class="paramname">input_step_z</td><td>input_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
275 <tr><td class="paramdir">[in]</td><td class="paramname">input_offset_first_element_in_bytes</td><td>The offset of the first element in the source image </td></tr>
276 <tr><td class="paramdir">[out]</td><td class="paramname">output_ptr</td><td>Pointer to the destination image. Supported data types: same as <code>input_ptr</code> </td></tr>
277 <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
278 <tr><td class="paramdir">[in]</td><td class="paramname">output_step_x</td><td>output_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
279 <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
280 <tr><td class="paramdir">[in]</td><td class="paramname">output_step_y</td><td>output_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
281 <tr><td class="paramdir">[in]</td><td class="paramname">output_stride_z</td><td>Stride of the source tensor in Z dimension (in bytes) </td></tr>
282 <tr><td class="paramdir">[in]</td><td class="paramname">output_step_z</td><td>output_stride_z * number of elements along Z processed per workitem(in bytes) </td></tr>
283 <tr><td class="paramdir">[in]</td><td class="paramname">output_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
284 <tr><td class="paramdir">[in]</td><td class="paramname">min_max_ptr</td><td>Pointer to the min/max vector. Minimum value in position 0, maximum value in position 1. Suppported data types: F32. </td></tr>
285 <tr><td class="paramdir">[in]</td><td class="paramname">min_max_stride_x</td><td>Stride of the min/max vector in X dimension (in bytes) </td></tr>
286 <tr><td class="paramdir">[in]</td><td class="paramname">min_max_step_x</td><td>min_max_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
287 <tr><td class="paramdir">[in]</td><td class="paramname">min_max_offset_first_element_in_bytes</td><td>The offset of the first element in the min/max vector </td></tr>
292 <p>Definition at line <a class="el" href="dequantization__layer_8cl_source.xhtml#l00049">49</a> of file <a class="el" href="dequantization__layer_8cl_source.xhtml">dequantization_layer.cl</a>.</p>
294 <p>References <a class="el" href="helpers_8h_source.xhtml#l00119">CONVERT_TO_TENSOR3D_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00098">CONVERT_TO_VECTOR_STRUCT</a>, <a class="el" href="helpers_8h_source.xhtml#l00136">Vector::ptr</a>, <a class="el" href="helpers_8h_source.xhtml#l00153">Tensor3D::ptr</a>, <a class="el" href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00178">arm_compute::test::validation::scale</a>, and <a class="el" href="min_8h_source.xhtml#l00039">arm_compute::wrapper::vmin()</a>.</p>
295 <div class="fragment"><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// Get pixels pointer</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> input = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(input);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="struct_tensor3_d.xhtml">Tensor3D</a> output = <a class="code" href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a>(output);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="struct_vector.xhtml">Vector</a> min_max = <a class="code" href="helpers_8h.xhtml#a527bfdf5eeb306f1cf01c4a8e29f38e0">CONVERT_TO_VECTOR_STRUCT</a>(min_max);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// min_max_value.s0 = min, min_max_value.s1 = max</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> float2 min_max_value = vload2(0, (__global <span class="keywordtype">float</span> *)min_max.<a class="code" href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> float4 <a class="code" href="namespacearm__compute_1_1wrapper.xhtml#ab026a1aeec48074092f548c130c323f4">vmin</a> = (float4)min_max_value.s0;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> float4 <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a> = (float4)((min_max_value.s1 - min_max_value.s0) / 255.0f);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// Load data</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> uchar4 data = vload4(0, (__global uchar *)input.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Dequantize</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> float4 res = convert_float4(data) * <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">scale</a> + <a class="code" href="namespacearm__compute_1_1wrapper.xhtml#ab026a1aeec48074092f548c130c323f4">vmin</a>;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// Store result</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  vstore4(res, 0, (__global <span class="keywordtype">float</span> *)output.<a class="code" href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">ptr</a>);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div><div class="ttc" id="struct_vector_xhtml"><div class="ttname"><a href="struct_vector.xhtml">Vector</a></div><div class="ttdoc">Structure to hold Vector information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00134">helpers.h:134</a></div></div>
296 <div class="ttc" id="helpers_8h_xhtml_a31c8c760f08fb1a331b16b7c204321dc"><div class="ttname"><a href="helpers_8h.xhtml#a31c8c760f08fb1a331b16b7c204321dc">CONVERT_TO_TENSOR3D_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_TENSOR3D_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00119">helpers.h:119</a></div></div>
297 <div class="ttc" id="helpers_8h_xhtml_a527bfdf5eeb306f1cf01c4a8e29f38e0"><div class="ttname"><a href="helpers_8h.xhtml#a527bfdf5eeb306f1cf01c4a8e29f38e0">CONVERT_TO_VECTOR_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_VECTOR_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00098">helpers.h:98</a></div></div>
298 <div class="ttc" id="struct_tensor3_d_xhtml"><div class="ttname"><a href="struct_tensor3_d.xhtml">Tensor3D</a></div><div class="ttdoc">Structure to hold 3D tensor information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00151">helpers.h:151</a></div></div>
299 <div class="ttc" id="namespacearm__compute_1_1wrapper_xhtml_ab026a1aeec48074092f548c130c323f4"><div class="ttname"><a href="namespacearm__compute_1_1wrapper.xhtml#ab026a1aeec48074092f548c130c323f4">arm_compute::wrapper::vmin</a></div><div class="ttdeci">uint8x8_t vmin(const uint8x8_t &a, const uint8x8_t &b)</div><div class="ttdef"><b>Definition:</b> <a href="min_8h_source.xhtml#l00039">min.h:39</a></div></div>
300 <div class="ttc" id="struct_vector_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_vector.xhtml#acf52c23cbd7424606c10a606524e3e32">Vector::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#l00136">helpers.h:136</a></div></div>
301 <div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acec6d8ad52a28972fa74e071c1a63b6a"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acec6d8ad52a28972fa74e071c1a63b6a">arm_compute::test::validation::scale</a></div><div class="ttdeci">scale</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_pixel_wise_multiplication_8cpp_source.xhtml#l00178">PixelWiseMultiplication.cpp:178</a></div></div>
302 <div class="ttc" id="struct_tensor3_d_xhtml_acf52c23cbd7424606c10a606524e3e32"><div class="ttname"><a href="struct_tensor3_d.xhtml#acf52c23cbd7424606c10a606524e3e32">Tensor3D::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#l00153">helpers.h:153</a></div></div>
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314 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.11 </li>