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Diffstat (limited to 'src/core/CL/cl_kernels/nhwc/upsample_layer.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/nhwc/upsample_layer.cl | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/nhwc/upsample_layer.cl b/src/core/CL/cl_kernels/nhwc/upsample_layer.cl new file mode 100644 index 0000000000..74b9674a88 --- /dev/null +++ b/src/core/CL/cl_kernels/nhwc/upsample_layer.cl @@ -0,0 +1,80 @@ +/* + * 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" + +/** This function applies upsample on an input image. (NHWC) + * + * @attention The following variables must be passed at compile time: + * -# -DDATA_TYPE = Tensor data type. Supported data types: All + * -# -DVEC_SIZE_IN = Input vector size + * -# -DVEC_SIZE_OUT = Output vector size + * -# -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) + * -# -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) + * + * @param[in] src_ptr Pointer to the source image. Supported data types: All + * @param[in] src_stride_x Stride of the source image 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 image 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_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] dst_ptr Pointer to the destination image. Supported data types: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination image 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 image 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_offset_first_element_in_bytes The offset of the first element in the destination image + */ +__kernel void upsample_layer_nhwc( + TENSOR3D_DECLARATION(src), + TENSOR3D_DECLARATION(dst)) +{ + Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); + Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); + +#if defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) + // Check if access on width gets out of bounds + // If it does shift access vector to access elements within bounds + const int xi_in = (int)(get_global_id(0) * VEC_SIZE_IN); + const int xi_out = (int)(get_global_id(0) * VEC_SIZE_OUT); + src.ptr -= max(xi_in - (int)LAST_ACCESSED_X_IN, 0) * src_stride_x; + dst.ptr -= max(xi_out - (int)LAST_ACCESSED_X_OUT, 0) * dst_stride_x; + + VEC_DATA_TYPE(DATA_TYPE, 16) + data = vload16(0, (__global DATA_TYPE *)src.ptr); + + vstore16(data, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 0)); + vstore16(data, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)); + vstore16(data, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 1)); + vstore16(data, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 1)); +#else // !defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) + *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 0)) = *((__global DATA_TYPE *)src.ptr); + *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)) = *((__global DATA_TYPE *)src.ptr); + *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 1)) = *((__global DATA_TYPE *)src.ptr); + *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 1)) = *((__global DATA_TYPE *)src.ptr); +#endif // defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) +}
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