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Diffstat (limited to 'src/core/CL/cl_kernels/nhwc/indirect_convolution.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/nhwc/indirect_convolution.cl | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/nhwc/indirect_convolution.cl b/src/core/CL/cl_kernels/nhwc/indirect_convolution.cl new file mode 100644 index 0000000000..07c7212e77 --- /dev/null +++ b/src/core/CL/cl_kernels/nhwc/indirect_convolution.cl @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2022 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "helpers.h" +#include "tile_helpers.h" + +//! @cond Doxygen_Suppress +/** OpenCL kernel to compute the indirect convolution 2d indirect buffer. + * + * @note The convolution padding (left and top) must be passed at compile time using -DPAD_LEFT and -DPAD_TOP (e.g. -DPAD_LEFT=2, -DPAD_TOP=2) + * @note The convolution strides must be passed at compile time using -DSTRIDE_X and -DSTRIDE_Y (e.g. -DSTRIDE_X=2, -DSTRIDE_Y=2) + * @note The kernel width must be passed at compile time using -DWEI_CONV_WIDTH (e.g. -DWEI_CONV_WIDTH=9) + * @note The spatial dimensions of the source tensor used by conv2d must be passed at compile time using -DSRC_CONV_WIDTH and -DSRC_CONV_HEIGHT (e.g. -DSRC_CONV_WIDTH=96, -DSRC_CONV_HEIGHT=64) + * @note The width dimension of the destination tensor produced by conv2d must be passed at compile time using -DDST_CONV_WIDTH (e.g. -DDST_CONV_WIDTH=96) + * @note The tensor type ("BUFFER" only) of the destination tensor must be passed at compile time using -DDST_TENSOR_TYPE (e.g. -DDST_TENSOR_TYPE=BUFFER) + * @note The data type of the destination tensor must be passed at compile time using -DDST_DATA_TYPE (e.g. -DDST_DATA_TYPE=float) + * @note The number of M0 rows (width*height) to process must be passed at compile time using -DM0 (e.g. -DM0=2) + * - M0 = 1, 2, 3, 4, 5, 6, 7, and 8 + * + * @param[out] dst_img CLImage object to the destination tensor (DST_TENSOR_TYPE=IMAGE only) + * @param[out] dst_ptr Pointer to the destination tensor. Supported data type: INT32 + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) + * @param[in] dst_stride_w Stride of the destination tensor in W dimension (in bytes) + * @param[in] dst_c The size of the channels dimension of the destination tensor + * @param[in] dst_w The size of the width dimension of the destination tensor + * @param[in] dst_h The size of the height dimension of the destination tensor + * @param[in] dst_n The size of the batches dimension of the destination tensor + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +//! @endcond +__kernel void indirect_convolution_address_precalculation( + TENSOR4D_T(dst, DST_TENSOR_TYPE)) +{ + const int x = get_global_id(0); + const int y = get_global_id(1); + const int z = get_global_id(2); + + // Note: WIDTH = M0 x KernelWidth x KernelHeight + + // m index + const int mi = x % M0; + // Kernel index + const int ki = x / M0; + // Kernel width coordinate + const int xk = ki % WEI_CONV_WIDTH; + // kernel height coordinate + const int yk = ki / WEI_CONV_WIDTH; + + TILE(DST_DATA_TYPE, 1, 1, xi); + TILE(DST_DATA_TYPE, 1, 1, yi); + TILE(DST_DATA_TYPE, 1, 1, my); + + const int mout = y * M0; + + xi[0].s[0] = ((mout + mi) % DST_CONV_WIDTH) * STRIDE_X; + yi[0].s[0] = ((mout + mi) / DST_CONV_WIDTH) * STRIDE_Y; + xi[0].s[0] -= PAD_LEFT; + yi[0].s[0] -= PAD_TOP; + + const int x_s = xi[0].s[0] + xk; + const int y_s = yi[0].s[0] + yk; + my[0].s[0] = x_s + y_s * SRC_CONV_WIDTH; + my[0].s[0] = my[0].s[0] + z * (int)(SRC_CONV_WIDTH * SRC_CONV_HEIGHT); + my[0].s[0] = select(-1, my[0].s[0], x_s >= 0); + my[0].s[0] = select(-1, my[0].s[0], x_s < SRC_CONV_WIDTH); + my[0].s[0] = select(-1, my[0].s[0], y_s >= 0); + my[0].s[0] = select(-1, my[0].s[0], y_s < SRC_CONV_HEIGHT); + + VSTORE(1) + (my[0].s[0], 0, (__global DST_DATA_TYPE *)(dst_ptr + dst_offset_first_element_in_bytes + x * sizeof(DST_DATA_TYPE) + y * dst_stride_y + z * dst_stride_z)); +}
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