| /* |
| * Copyright (c) 2018-2020 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) |