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Diffstat (limited to 'src/core/CL/cl_kernels/common/copy_tensor.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/common/copy_tensor.cl | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/common/copy_tensor.cl b/src/core/CL/cl_kernels/common/copy_tensor.cl new file mode 100644 index 0000000000..753b98d1b0 --- /dev/null +++ b/src/core/CL/cl_kernels/common/copy_tensor.cl @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2018-2021 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(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER) +/** Performs a copy of input tensor to the output tensor. + * + * @note The following variables must be passed at compile time: + * -# -DDATA_TYPE : Input and output datatypes. + * -# -DVEC_SIZE : The number of elements processed in X dimension + * -# -DVEC_SIZE_LEFTOVER: Leftover size in the X dimension; x_dimension % VEC_SIZE + * + * @param[in] in_ptr Pointer to the source tensor. Supported data types: All + * @param[in] in_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] in_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] in_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] in_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] in_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] out_ptr Pointer to the destination tensor. Supported data types: same as @p in_ptr + * @param[in] out_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] out_step_x output_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] out_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] out_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] out_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] out_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination tensor + */ +__kernel void copy_tensor( + TENSOR3D_DECLARATION(in), + TENSOR3D_DECLARATION(out)) +{ + Tensor3D in = CONVERT_TO_TENSOR3D_STRUCT(in); + Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out); + + // Boundary-aware access: + // If the there's left-over in width (VEC_SIZE_LEFTOVER > 0): + // Shift all accesses other than the first to avoid accessing out of bounds + const int shift = max((int)(get_global_id(0) * VEC_SIZE) - (int)VEC_SIZE_LEFTOVER, 0) % VEC_SIZE; + in.ptr -= shift * in.stride_x; + out.ptr -= shift * out.stride_x; + + // Load data + VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) + data0 = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr); + + // Boundary-aware store + STORE_VECTOR_SELECT(data, DATA_TYPE, (__global DATA_TYPE *)out.ptr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0); +} +#endif // defined(DATA_TYPE) && defined(VEC_SIZE) && defined(VEC_SIZE_LEFTOVER)
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