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Diffstat (limited to 'src/core/CL/cl_kernels/common/tile.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/common/tile.cl | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/common/tile.cl b/src/core/CL/cl_kernels/common/tile.cl new file mode 100644 index 0000000000..4d8f802ea1 --- /dev/null +++ b/src/core/CL/cl_kernels/common/tile.cl @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2018-2021, 2023-2024 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: All + * @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_NO_STEP(output); + Tensor4D input = CONVERT_TO_TENSOR4D_STRUCT_NO_STEP(input); + + // 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)); + const int multiple_no = id / SRC_WIDTH_TILES; + const int tile_no = id % SRC_WIDTH_TILES; + const int last_tile = (int)(tile_no == SRC_WIDTH_TILES - 1); + + const int x_input = tile_no * VEC_SIZE - last_tile * OFFSET; + const int x_output = multiple_no * SRC_WIDTH + x_input; + + // Update the input and output pointers. + input.ptr = tensor4D_offset(&input, x_input, y % SRC_HEIGHT, z % SRC_DEPTH, batch % SRC_BATCHES); + output.ptr = tensor4D_offset(&output, x_output, y, z, batch); + + // 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 and output pointers. + input.ptr = tensor4D_offset(&input, x % SRC_WIDTH, y % SRC_HEIGHT, z % SRC_DEPTH, batch % SRC_BATCHES); + output.ptr = tensor4D_offset(&output, x, y, z, batch); + + *((__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) |