Gian Marco Iodice | 8aa985e | 2018-11-27 15:58:08 +0000 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | f6f7876 | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2020 Arm Limited. |
Gian Marco Iodice | 8aa985e | 2018-11-27 15:58:08 +0000 | [diff] [blame] | 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 | #if defined(DATA_TYPE) && defined(AXIS) && defined(SRC_DIM2) && defined(DST_DIM3) |
| 27 | |
| 28 | #if AXIS == 0 |
| 29 | #define X_DST (idx_input) |
| 30 | #define Y_DST (x_src) |
| 31 | #define Z_DST (y_src) |
| 32 | #define W_DST (z_src) |
| 33 | #define K_DST (w_src) |
| 34 | #elif AXIS == 1 // AXIS == 1 |
| 35 | #define X_DST (x_src) |
| 36 | #define Y_DST (idx_input) |
| 37 | #define Z_DST (y_src) |
| 38 | #define W_DST (z_src) |
| 39 | #define K_DST (w_src) |
| 40 | #elif AXIS == 2 // AXIS == 2 |
| 41 | #define X_DST (x_src) |
| 42 | #define Y_DST (y_src) |
| 43 | #define Z_DST (idx_input) |
| 44 | #define W_DST (z_src) |
| 45 | #define K_DST (w_src) |
| 46 | #elif AXIS == 3 // AXIS == 3 |
| 47 | #define X_DST (x_src) |
| 48 | #define Y_DST (y_src) |
| 49 | #define Z_DST (z_src) |
| 50 | #define W_DST (idx_input) |
| 51 | #define K_DST (w_src) |
| 52 | #elif AXIS == 4 // AXIS == 4 |
| 53 | #define X_DST (x_src) |
| 54 | #define Y_DST (y_src) |
| 55 | #define Z_DST (z_src) |
| 56 | #define W_DST (w_src) |
| 57 | #define K_DST (idx_input) |
| 58 | #else // AXIS not supported |
| 59 | #error "Not supported axis" |
| 60 | #endif // AXIS == 0 |
| 61 | |
| 62 | /** OpenCL kernel to stack a rank-R tensor into one with rank-(R+1) along the axis dimension |
| 63 | * |
| 64 | * @note The data type has to be passed at compile time using -DDATA_TYPE. i.e. -DDATA_TYPE=float |
| 65 | * @note The dimension to stack the tensors along has to be passed at compile time using -DAXIS. i.e. -DAXIS=1 |
| 66 | * @note Dimension 2 of the input tensor must be passed at compile time using -DSRC_DIM2 (e.g. -DSRC_DIM2=112) |
| 67 | * @note Dimension 3 of the output tensor must be passed at compile time using -DDST_DIM3 (e.g. -DDST_DIM3=112) |
| 68 | * |
Michele Di Giorgio | f6f7876 | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 69 | * @param[in] src_ptr Pointer to the source tensor. Supported data types: All |
Gian Marco Iodice | 8aa985e | 2018-11-27 15:58:08 +0000 | [diff] [blame] | 70 | * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| 71 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 72 | * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| 73 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 74 | * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 75 | * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| 76 | * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) |
| 77 | * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) |
| 78 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| 79 | * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| 80 | * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| 81 | * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| 82 | * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| 83 | * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| 84 | * @param[in] dst_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 85 | * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| 86 | * @param[in] dst_stride_w Stride of the source tensor in W dimension (in bytes) |
| 87 | * @param[in] dst_step_w dst_stride_w * number of elements along W processed per workitem(in bytes) |
| 88 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| 89 | * @param[in] idx_input Index of the input tensor in the list of tensors to stack |
| 90 | */ |
| 91 | __kernel void stack_layer( |
| 92 | TENSOR4D_DECLARATION(src), |
| 93 | TENSOR4D_DECLARATION(dst), |
| 94 | unsigned int idx_input) |
| 95 | { |
| 96 | uint x_src = get_global_id(0); |
| 97 | uint y_src = get_global_id(1); |
| 98 | uint z_src = (get_global_id(2) % SRC_DIM2); |
| 99 | uint w_src = (get_global_id(2) / SRC_DIM2); |
| 100 | |
| 101 | __global DATA_TYPE *src = (__global DATA_TYPE *)(src_ptr + src_offset_first_element_in_bytes + x_src * sizeof(DATA_TYPE) + y_src * src_stride_y + z_src * src_stride_z + w_src * src_stride_w); |
| 102 | |
| 103 | __global DATA_TYPE *dst = (__global DATA_TYPE *)(dst_ptr + dst_offset_first_element_in_bytes + X_DST * sizeof(DATA_TYPE) + Y_DST * dst_stride_y + Z_DST * dst_stride_z + W_DST * dst_stride_w + K_DST * |
| 104 | dst_stride_w * (uint)DST_DIM3); |
| 105 | |
| 106 | *dst = *src; |
| 107 | } |
| 108 | |
| 109 | #undef X_DST |
| 110 | #undef Y_DST |
| 111 | #undef Z_DST |
| 112 | #undef W_DST |
| 113 | #endif // defined(DATA_TYPE) && defined(AXIS) && defined(SRC_DIM2) && defined(DST_DIM3) |