From 3175fcf63249673f33fd1638879adad4baab545b Mon Sep 17 00:00:00 2001 From: giuros01 Date: Wed, 21 Nov 2018 09:59:17 +0000 Subject: COMPMID-1720: CL: Implement Tile Change-Id: I2a18f0acea382960a8bc71a8f56928a5998f0dd6 --- src/core/CL/cl_kernels/tile.cl | 97 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 src/core/CL/cl_kernels/tile.cl (limited to 'src/core/CL/cl_kernels/tile.cl') diff --git a/src/core/CL/cl_kernels/tile.cl b/src/core/CL/cl_kernels/tile.cl new file mode 100644 index 0000000000..ae625d99b1 --- /dev/null +++ b/src/core/CL/cl_kernels/tile.cl @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2018 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" +#if defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) && defined(SRC_DEPTH) && defined(DST_DEPTH) +/** Perform a floor operation on an input tensor. + * + * @attention Data type can be passed using the -DDATA_TYPE compile flag, e.g. -DDATA_TYPE=float + * @attention Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 + * @note Can only take floating point data types. + * + * @param[in] input_ptr Pointer to the source image. Supported data types: F16/F32 + * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] output_ptr Pointer to the destination image. Supported data types: same as @p input_ptr + * @param[in] output_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] output_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] output_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination image + */ +__kernel void tile( + TENSOR4D_DECLARATION(input), + TENSOR4D_DECLARATION(output)) +{ + Tensor4D output = CONVERT_TO_TENSOR4D_STRUCT(output, DST_DEPTH); + Tensor4D input = CONVERT_TO_TENSOR4D_STRUCT_NO_STEP(input, SRC_DEPTH); + + // For all coordinates but x, each tile copies from the input + const int y = get_global_id(1); + const int z = get_global_id(2) % DST_DEPTH; + const int batch = get_global_id(2) / DST_DEPTH; + +#if defined(VEC_SIZE) && defined(OFFSET) + // If we are loading/storing multiple elements at time, we need to + // not exceed the input boundaries. The last threads need to backtrack + // of OFFSET elements. Those elements cumulates for previous tiles + const int id = (int)(get_global_id(0)); + int x = id * VEC_SIZE; + + // Shift x based on the previous offsets + const int tile_number = x / SRC_WIDTH; + x -= (tile_number) * OFFSET; + int x_input = x % SRC_WIDTH; + + // Shift x based on being the last tile + const int last_tile = (int)(x_input + VEC_SIZE > SRC_WIDTH); + x -= last_tile * OFFSET; + x_input = x % SRC_WIDTH; + output.ptr -= (tile_number + last_tile) * OFFSET * output_stride_x; + + // Update the input pointer + input.ptr = tensor4D_offset(&input, x_input, y % SRC_HEIGHT, z % SRC_DEPTH, batch % SRC_BATCHES); + + // Copy the data + VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) + data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)input.ptr); + + VSTORE(VEC_SIZE) + (data, 0, (__global DATA_TYPE *)output.ptr); +#else // !defined(VEC_SIZE) || !defined(OFFSET) + const int x = get_global_id(0); + + // Update the input pointer + input.ptr = tensor4D_offset(&input, x % SRC_WIDTH, y % SRC_HEIGHT, z % SRC_DEPTH, batch % SRC_BATCHES); + + *((__global DATA_TYPE *)(output.ptr)) = *((__global DATA_TYPE *)(input.ptr)); +#endif // defined(VEC_SIZE) && defined(OFFSET) +} +#endif // defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) && defined(SRC_DEPTH) && defined(DST_DEPTH) -- cgit v1.2.1