Adding OCL version of col2im() Polymorphic Deconvolution forward() implementation Fixed OCL gemm problempull/707/head
Vitaliy Lyudvichenko
9 years ago
parent
1913eb7060
commit
50c9e1c912
8 changed files with 289 additions and 92 deletions
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/************************************************************************************* |
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* Copyright (c) 2015, Advanced Micro Devices, Inc. |
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* All rights reserved. |
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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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* 1. Redistributions of source code must retain the above copyright notice, this |
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* list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation and/or |
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* other materials provided with the distribution. |
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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 COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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**************************************************************************************/ |
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|
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__kernel void col2im(const int n, __global const T* data_col, const int col_offset, |
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const int height, const int width, const int channels, |
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const int patch_h, const int patch_w, |
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const int pad_h, const int pad_w, |
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const int stride_h, const int stride_w, |
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const int height_col, const int width_col, |
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__global T* data_im, const int img_offset) |
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{ |
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data_col = data_col + col_offset; |
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data_im = data_im + img_offset; |
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int index = get_global_id(0); |
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if(index < n) { |
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T val = 0; |
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int w = index % width + pad_w; |
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int h = (index / width) % height + pad_h; |
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int c = index / (width * height); |
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|
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// compute the start and end of the output |
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int w_col_start = (w < patch_w) ? 0 : (w - patch_w) / stride_w + 1; |
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int w_col_end = min(w / stride_w + 1, width_col); |
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int h_col_start = (h < patch_h) ? 0 : (h - patch_h) / stride_h + 1; |
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int h_col_end = min(h / stride_h + 1, height_col); |
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|
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// equivalent implementation |
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int offset = |
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(c * patch_h * patch_w + h * patch_w + w) * height_col * width_col; |
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int coeff_h_col = (1 - stride_h * patch_w * height_col) * width_col; |
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int coeff_w_col = (1 - stride_w * height_col * width_col); |
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for (int h_col = h_col_start; h_col < h_col_end; ++h_col) { |
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for (int w_col = w_col_start; w_col < w_col_end; ++w_col) { |
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val += data_col[offset + h_col * coeff_h_col + w_col * coeff_w_col]; |
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} |
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} |
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data_im[index] = val; |
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} |
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} |
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