diff options
Diffstat (limited to 'src/core/CL/cl_kernels/common/stack_layer.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/common/stack_layer.cl | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/common/stack_layer.cl b/src/core/CL/cl_kernels/common/stack_layer.cl new file mode 100644 index 0000000000..2468bf750d --- /dev/null +++ b/src/core/CL/cl_kernels/common/stack_layer.cl @@ -0,0 +1,113 @@ +/* + * 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(AXIS) && defined(SRC_DIM2) && defined(DST_DIM3) + +#if AXIS == 0 +#define X_DST (idx_input) +#define Y_DST (x_src) +#define Z_DST (y_src) +#define W_DST (z_src) +#define K_DST (w_src) +#elif AXIS == 1 // AXIS == 1 +#define X_DST (x_src) +#define Y_DST (idx_input) +#define Z_DST (y_src) +#define W_DST (z_src) +#define K_DST (w_src) +#elif AXIS == 2 // AXIS == 2 +#define X_DST (x_src) +#define Y_DST (y_src) +#define Z_DST (idx_input) +#define W_DST (z_src) +#define K_DST (w_src) +#elif AXIS == 3 // AXIS == 3 +#define X_DST (x_src) +#define Y_DST (y_src) +#define Z_DST (z_src) +#define W_DST (idx_input) +#define K_DST (w_src) +#elif AXIS == 4 // AXIS == 4 +#define X_DST (x_src) +#define Y_DST (y_src) +#define Z_DST (z_src) +#define W_DST (w_src) +#define K_DST (idx_input) +#else // AXIS not supported +#error "Not supported axis" +#endif // AXIS == 0 + +/** OpenCL kernel to stack a rank-R tensor into one with rank-(R+1) along the axis dimension + * + * @note The data type has to be passed at compile time using -DDATA_TYPE. i.e. -DDATA_TYPE=float + * @note The dimension to stack the tensors along has to be passed at compile time using -DAXIS. i.e. -DAXIS=1 + * @note Dimension 2 of the input tensor must be passed at compile time using -DSRC_DIM2 (e.g. -DSRC_DIM2=112) + * @note Dimension 3 of the output tensor must be passed at compile time using -DDST_DIM3 (e.g. -DDST_DIM3=112) + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: All + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] src_step_w src_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] dst_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_stride_w Stride of the source tensor in W dimension (in bytes) + * @param[in] dst_step_w dst_stride_w * number of elements along W processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + * @param[in] idx_input Index of the input tensor in the list of tensors to stack + */ +__kernel void stack_layer( + TENSOR4D_DECLARATION(src), + TENSOR4D_DECLARATION(dst), + unsigned int idx_input) +{ + uint x_src = get_global_id(0); + uint y_src = get_global_id(1); + uint z_src = (get_global_id(2) % SRC_DIM2); + uint w_src = (get_global_id(2) / SRC_DIM2); + + __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); + + __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 * + dst_stride_w * (uint)DST_DIM3); + + *dst = *src; +} + +#undef X_DST +#undef Y_DST +#undef Z_DST +#undef W_DST +#endif // defined(DATA_TYPE) && defined(AXIS) && defined(SRC_DIM2) && defined(DST_DIM3) |