diff options
Diffstat (limited to 'runtimes/libs/ARMComputeEx/src/core/CL/cl_kernels/depth_to_space.cl')
-rw-r--r-- | runtimes/libs/ARMComputeEx/src/core/CL/cl_kernels/depth_to_space.cl | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/runtimes/libs/ARMComputeEx/src/core/CL/cl_kernels/depth_to_space.cl b/runtimes/libs/ARMComputeEx/src/core/CL/cl_kernels/depth_to_space.cl new file mode 100644 index 000000000..e005322f7 --- /dev/null +++ b/runtimes/libs/ARMComputeEx/src/core/CL/cl_kernels/depth_to_space.cl @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * Copyright (c) 2016, 2017 ARM Limited. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "helpers.h" + +#if defined(DATA_TYPE) && defined(DEPTH_OUT) && defined(BLOCK_SIZE) && defined(Z_OUT) +/** Perform space to depth rearrangement of tensor + * + * @attention Data type can be passed using the -DDATA_TYPE compile flag, e.g. -DDATA_TYPE=float + * @attention Input tensor depth should be given as a preprocessor argument using -DDEPTH_OUT=size. + * e.g. -DDEPTH_OUT=16 + * @attention The value of the z-axis of output tensor should be given as a preprocessor argument + * using -DZ_OUT=size. e.g. -DZ_OUT=16 + * @attention block size should be given as a preprocessor argument using -DBLOCK_SIZE=size. e.g. + * -DBLOCK_SIZE=1 + * + * @param[in] input_ptr Pointer to the source image. Supported data + * types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 + * @param[in] input_stride_x Stride of the source image in X dimension (in + * bytes) + * @param[in] input_step_x input_stride_x * number of elements along X + * processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in + * bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y + * processed per workitem(in bytes) + * @param[in] input_stride_z Stride of the source tensor in Z dimension (in + * bytes) + * @param[in] input_step_z input_stride_z * number of elements along Z + * processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source + * image + * @param[out] output_ptr Pointer to the destination image. Supported data + * types: same as @p input_ptr + * @param[in] output_stride_x Stride of the destination image in X dimension + * (in bytes) + * @param[in] output_step_x output_stride_x * number of elements along X + * processed per workitem(in bytes) + * @param[in] output_stride_y Stride of the destination image in Y dimension + * (in bytes) + * @param[in] output_step_y output_stride_y * number of elements along Y + * processed per workitem(in bytes) + * @param[in] output_stride_z Stride of the source tensor in Z dimension (in + * bytes) + * @param[in] output_step_z output_stride_z * number of elements along Z + * processed per workitem(in bytes) + * @param[in] output_stride_w Stride of the source tensor in W dimension (in + * bytes) + * @param[in] output_step_w output_stride_w * number of elements along W + * processed per workitem(in bytes) + * @param[in] output_offset_first_element_in_bytes The offset of the first element in the + * destination image + */ +__kernel void depth_to_space_nchw(TENSOR4D_DECLARATION(input), TENSOR4D_DECLARATION(output)) +{ + Tensor4D in = CONVERT_TO_TENSOR4D_STRUCT_NO_STEP(input, 0); + Tensor4D out = CONVERT_TO_TENSOR4D_STRUCT(output, Z_OUT); + + int out_index[4] = {0}; + int in_index[4] = {0}; + + out_index[0] = get_global_id(0); // W + out_index[1] = get_global_id(1); // H + out_index[2] = get_global_id(2) % Z_OUT; // C + out_index[3] = get_global_id(2) / Z_OUT; // B + + in_index[0] = out_index[0] / BLOCK_SIZE; + in_index[1] = out_index[1] / BLOCK_SIZE; + in_index[2] = out_index[2] + + ((out_index[1] % BLOCK_SIZE) * BLOCK_SIZE + out_index[0] % BLOCK_SIZE) * DEPTH_OUT; + in_index[3] = out_index[3]; + + *((__global DATA_TYPE *)out.ptr) = *((__global DATA_TYPE *)tensor4D_offset( + &in, in_index[0], in_index[1], in_index[2], in_index[3])); +} +#endif // defined(DATA_TYPE) && defined(DEPTH_OUT) && defined(BLOCK_SIZE) && defined(Z_OUT) + +#if defined(DATA_TYPE) && defined(DEPTH_OUT) && defined(BLOCK_SIZE) && defined(Z_OUT) +/** Perform space to depth rearrangement of tensor (NHWC) + * + * @attention Data type can be passed using the -DDATA_TYPE compile flag, e.g. -DDATA_TYPE=float + * @attention Output tensor depth should be given as a preprocessor argument using -DDEPTH_OUT=size. + * e.g. -DDEPTH_OUT=16 + * @attention The value of the z-axis of output tensor should be given as a preprocessor argument + * using -DZ_OUT=size. e.g. -DZ_OUT=16 + * @attention block size should be given as a preprocessor argument using -DBLOCK_SIZE=size. e.g. + * -DBLOCK_SIZE=1 + * + * @param[in] input_ptr Pointer to the source image. Supported data + * types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 + * @param[in] input_stride_x Stride of the source image in X dimension (in + * bytes) + * @param[in] input_step_x input_stride_x * number of elements along X + * processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in + * bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y + * processed per workitem(in bytes) + * @param[in] input_stride_z Stride of the source tensor in Z dimension (in + * bytes) + * @param[in] input_step_z input_stride_z * number of elements along Z + * processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source + * image + * @param[out] output_ptr Pointer to the destination image. Supported data + * types: same as @p input_ptr + * @param[in] output_stride_x Stride of the destination image in X dimension + * (in bytes) + * @param[in] output_step_x output_stride_x * number of elements along X + * processed per workitem(in bytes) + * @param[in] output_stride_y Stride of the destination image in Y dimension + * (in bytes) + * @param[in] output_step_y output_stride_y * number of elements along Y + * processed per workitem(in bytes) + * @param[in] output_stride_z Stride of the source tensor in Z dimension (in + * bytes) + * @param[in] output_step_z output_stride_z * number of elements along Z + * processed per workitem(in bytes) + * @param[in] output_stride_w Stride of the source tensor in W dimension (in + * bytes) + * @param[in] output_step_w output_stride_w * number of elements along W + * processed per workitem(in bytes) + * @param[in] output_offset_first_element_in_bytes The offset of the first element in the + * destination image + */ +__kernel void depth_to_space_nhwc(TENSOR4D_DECLARATION(input), TENSOR4D_DECLARATION(output)) +{ + Tensor4D in = CONVERT_TO_TENSOR4D_STRUCT_NO_STEP(input, 0); + Tensor4D out = CONVERT_TO_TENSOR4D_STRUCT(output, Z_OUT); + + int out_index[4] = {0}; + int in_index[4] = {0}; + + out_index[0] = get_global_id(0); // C + out_index[1] = get_global_id(1); // W + out_index[2] = get_global_id(2) % Z_OUT; // H + out_index[3] = get_global_id(2) / Z_OUT; // B + + in_index[0] = out_index[0] + + ((out_index[2] % BLOCK_SIZE) * BLOCK_SIZE + out_index[1] % BLOCK_SIZE) * DEPTH_OUT; + in_index[1] = out_index[1] / BLOCK_SIZE; + in_index[2] = out_index[2] / BLOCK_SIZE; + in_index[3] = out_index[3]; + + *((__global DATA_TYPE *)out.ptr) = *((__global DATA_TYPE *)tensor4D_offset( + &in, in_index[0], in_index[1], in_index[2], in_index[3])); +} +#endif // defined(DATA_TYPE) && defined(DEPTH_OUT) && defined(BLOCK_SIZE) && defined(Z_OUT) |