| Adnan AlSinan | 7075fe2 | 2021-07-05 13:12:52 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2018-2021 Arm Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "helpers.h" |
| 25 | |
| 26 | /** This function applies upsample on an input image. (NCHW) |
| 27 | * |
| 28 | * @attention The following variables must be passed at compile time: |
| 29 | * -# -DDATA_TYPE = Tensor data type. Supported data types: All |
| 30 | * -# -DVEC_SIZE_IN = Input vector size |
| 31 | * -# -DVEC_SIZE_OUT = Output vector size |
| 32 | * -# -DLAST_ACCESSED_X_IN = The input element that is on the X border (threads trying to set this, might need to step back a bit) |
| 33 | * -# -DLAST_ACCESSED_X_OUT = The output element that is on the X border (threads trying to set this, might need to step back a bit) |
| 34 | * |
| 35 | * @param[in] src_ptr Pointer to the source image. Supported data types: All |
| 36 | * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| 37 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 38 | * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| 39 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 40 | * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 41 | * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| 42 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| 43 | * @param[out] dst_ptr Pointer to the destination image. Supported data types: same as @p src_ptr |
| 44 | * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| 45 | * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| 46 | * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| 47 | * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| 48 | * @param[in] dst_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 49 | * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| 50 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| 51 | */ |
| 52 | __kernel void upsample_layer_nchw( |
| 53 | TENSOR3D_DECLARATION(src), |
| 54 | TENSOR3D_DECLARATION(dst)) |
| 55 | { |
| 56 | Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); |
| 57 | Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| 58 | |
| 59 | #if defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) |
| 60 | // Check if access on width gets out of bounds |
| 61 | // If it does shift access vector to access elements within bounds |
| 62 | const int xi_in = (int)(get_global_id(0) * VEC_SIZE_IN); |
| 63 | const int xi_out = (int)(get_global_id(0) * VEC_SIZE_OUT); |
| 64 | src.ptr -= max(xi_in - (int)LAST_ACCESSED_X_IN, 0) * src_stride_x; |
| 65 | dst.ptr -= max(xi_out - (int)LAST_ACCESSED_X_OUT, 0) * dst_stride_x; |
| 66 | |
| 67 | VEC_DATA_TYPE(DATA_TYPE, 8) |
| 68 | data = vload8(0, (__global DATA_TYPE *)src.ptr); |
| 69 | |
| 70 | VEC_DATA_TYPE(DATA_TYPE, 16) |
| 71 | data_out = (VEC_DATA_TYPE(DATA_TYPE, 16))(data.s0, data.s0, data.s1, data.s1, data.s2, data.s2, data.s3, data.s3, data.s4, data.s4, data.s5, data.s5, data.s6, data.s6, data.s7, data.s7); |
| 72 | |
| 73 | vstore16(data_out, 0, (__global DATA_TYPE *)dst.ptr); |
| 74 | vstore16(data_out, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)); |
| 75 | #else // !defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) |
| 76 | *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 0)) = *((__global DATA_TYPE *)src.ptr); |
| 77 | *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)) = *((__global DATA_TYPE *)src.ptr); |
| 78 | #endif // defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) |
| 79 | } |