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Diffstat (limited to 'src/core/CL/cl_kernels/common/reshape_layer.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/common/reshape_layer.cl | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/common/reshape_layer.cl b/src/core/CL/cl_kernels/common/reshape_layer.cl new file mode 100644 index 0000000000..c47664bf85 --- /dev/null +++ b/src/core/CL/cl_kernels/common/reshape_layer.cl @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2017-2022 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" + +/** Perform tensor reshape + * + * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short + * + * @param[in] input_ptr Pointer to the first source tensor. Supported data types: All + * @param[in] input_stride_x Stride of the first source tensor 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 first source tensor 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 first 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 first source tensor + * @param[out] output_ptr Pointer to the destination tensor. Supported data types: same as @p input_ptr + * @param[in] output_stride_x Stride of the destination tensor 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 tensor 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 destination 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 tensor + * @param[in] input_shape Input spatial shape + * @param[in] output_shape Output spatial shape + */ +__kernel void reshape_layer(TENSOR3D_DECLARATION(input), + TENSOR3D_DECLARATION(output), + int2 input_shape, + int2 output_shape) +{ + int out_x = get_global_id(0); + int out_y = get_global_id(1); + int out_z = get_global_id(2); + + // Compute the output linearized index + int out_linear_idx = out_x + out_y * output_shape.x + out_z * output_shape.x * output_shape.y; + + // Translate to intput + int in_x = out_linear_idx % input_shape.x; + int in_y = (out_linear_idx / input_shape.x) % input_shape.y; + int in_z = out_linear_idx / (input_shape.x * input_shape.y); + + // Store result + input_ptr += input_offset_first_element_in_bytes + in_x * input_stride_x + in_y * input_stride_y + in_z * input_stride_z; + output_ptr += output_offset_first_element_in_bytes + out_x * output_stride_x + out_y * output_stride_y + out_z * output_stride_z; + *((__global DATA_TYPE *)output_ptr) = *((__global DATA_TYPE *)input_ptr); +} |