Open Source Computer Vision Library
https://opencv.org/
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98 lines
4.1 KiB
98 lines
4.1 KiB
/*M/////////////////////////////////////////////////////////////////////////////////////// |
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// |
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
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// |
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// By downloading, copying, installing or using the software you agree to this license. |
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// If you do not agree to this license, do not download, install, |
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// copy or use the software. |
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// |
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// |
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// License Agreement |
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// For Open Source Computer Vision Library |
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// |
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// Copyright (C) 2017, Intel Corporation, all rights reserved. |
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// Copyright (c) 2016-2017 Fabian David Tschopp, all rights reserved. |
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// Third party copyrights are property of their respective owners. |
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// |
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// Redistribution and use in source and binary forms, with or without modification, |
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// are permitted provided that the following conditions are met: |
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// |
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// * Redistribution's of source code must retain the above copyright notice, |
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// this list of conditions and the following disclaimer. |
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// |
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// * Redistribution's in binary form must reproduce the above copyright notice, |
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// this list of conditions and the following disclaimer in the documentation |
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// and/or other materials provided with the distribution. |
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// |
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// * The name of the copyright holders may not be used to endorse or promote products |
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// derived from this software without specific prior written permission. |
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// |
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// This software is provided by the copyright holders and contributors "as is" and |
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// any express or implied warranties, including, but not limited to, the implied |
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// warranties of merchantability and fitness for a particular purpose are disclaimed. |
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// In no event shall the Intel Corporation or contributors be liable for any direct, |
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// indirect, incidental, special, exemplary, or consequential damages |
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// (including, but not limited to, procurement of substitute goods or services; |
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// loss of use, data, or profits; or business interruption) however caused |
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// and on any theory of liability, whether in contract, strict liability, |
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// or tort (including negligence or otherwise) arising in any way out of |
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// the use of this software, even if advised of the possibility of such damage. |
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// |
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//M*/ |
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#if defined(cl_khr_fp16) |
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#pragma OPENCL EXTENSION cl_khr_fp16 : enable |
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#endif |
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__kernel void op_sum4(__global const Dtype * A, |
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__global const Dtype * B, |
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unsigned int A_col_size, |
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const float coeff1, |
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const float coeff2, |
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__global Dtype * C) |
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{ |
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unsigned int row_gid = get_group_id(0); |
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unsigned int lid = get_local_id(0); |
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const __global Dtype *src0_read = A + row_gid * 4 * A_col_size; |
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const __global Dtype *src1_read = B + row_gid * 4 * A_col_size; |
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__global Dtype *dst0_read = C + row_gid * 4 * A_col_size; |
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Dtype4 a0, a1, a2, a3; |
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Dtype4 dot0, dot1, dot2, dot3; |
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unsigned int i = lid; |
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while( i < A_col_size / 4) |
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{ |
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const Dtype4 b0 = vload4(i, src1_read); |
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const Dtype4 b1 = vload4(i, src1_read + A_col_size); |
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const Dtype4 b2 = vload4(i, src1_read + 2 * A_col_size); |
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const Dtype4 b3 = vload4(i, src1_read + 3 * A_col_size); |
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#if LOOP == 0 |
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a0 = vload4(i, src0_read); |
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a1 = vload4(i, src0_read + A_col_size); |
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a2 = vload4(i, src0_read + 2 * A_col_size); |
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a3 = vload4(i, src0_read + 3 * A_col_size); |
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dot0 = a0 * (Dtype4)coeff1 + b0 * (Dtype4)coeff2; |
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dot1 = a1 * (Dtype4)coeff1 + b1 * (Dtype4)coeff2; |
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dot2 = a2 * (Dtype4)coeff1 + b2 * (Dtype4)coeff2; |
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dot3 = a3 * (Dtype4)coeff1 + b3 * (Dtype4)coeff2; |
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#else |
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a0 = vload4(i, dst0_read); |
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a1 = vload4(i, dst0_read + A_col_size); |
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a2 = vload4(i, dst0_read + 2 * A_col_size); |
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a3 = vload4(i, dst0_read + 3 * A_col_size); |
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dot0 = a0 + b0 * (Dtype4)coeff2; |
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dot1 = a1 + b1 * (Dtype4)coeff2; |
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dot2 = a2 + b2 * (Dtype4)coeff2; |
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dot3 = a3 + b3 * (Dtype4)coeff2; |
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#endif |
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vstore4(dot0, i, dst0_read); |
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vstore4(dot1, i, dst0_read + A_col_size); |
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vstore4(dot2, i, dst0_read + 2 * A_col_size); |
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vstore4(dot3, i, dst0_read + 3 * A_col_size); |
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i += get_local_size(0); |
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} |
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}
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