diff options
Diffstat (limited to 'src/core/cpu/kernels/CpuReshapeKernel.cpp')
-rw-r--r-- | src/core/cpu/kernels/CpuReshapeKernel.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/core/cpu/kernels/CpuReshapeKernel.cpp b/src/core/cpu/kernels/CpuReshapeKernel.cpp new file mode 100644 index 0000000000..068f5d025b --- /dev/null +++ b/src/core/cpu/kernels/CpuReshapeKernel.cpp @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2017-2021 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 "src/core/cpu/kernels/CpuReshapeKernel.h" + +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/Validate.h" +#include "src/core/AccessWindowStatic.h" +#include "src/core/CPP/Validate.h" +#include "src/core/NEON/INEKernel.h" +#include "src/core/helpers/AutoConfiguration.h" +#include "src/core/helpers/WindowHelpers.h" + +#include <cstdint> + +/** [NEReshapeLayerKernel Kernel] **/ +namespace arm_compute +{ +namespace cpu +{ +namespace kernels +{ +namespace +{ +Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst) +{ + ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst); + // Note: ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(src) is not needed here as this kernel doesn't use NEON FP16 instructions. + ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN); + + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); + ARM_COMPUTE_RETURN_ERROR_ON(src->tensor_shape().total_size() != dst->tensor_shape().total_size()); + ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst); + + return Status{}; +} + +template <typename T> +inline void reshape_tensor(const Window &window, const ITensor *src, ITensor *dst) +{ + const TensorShape &src_shape = src->info()->tensor_shape(); + const TensorShape &dst_shape = dst->info()->tensor_shape(); + Coordinates dst_coord{}; + + Iterator src_it(src, window); + + execute_window_loop(window, [&](const Coordinates & id) + { + dst_coord = index2coords(dst_shape, coords2index(src_shape, id)); + *reinterpret_cast<T *>(dst->ptr_to_element(dst_coord)) = *reinterpret_cast<T *>(src_it.ptr()); + }, + src_it); +} +} // namespace + +void CpuReshapeKernel::configure(const ITensorInfo *src, ITensorInfo *dst) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); + ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst)); + + // Configure kernel window + Window win = calculate_max_window(*src); + + // Set the destination valid region + dst->set_valid_region(ValidRegion(Coordinates(), dst->tensor_shape())); + + ICpuKernel::configure(win); +} + +Status CpuReshapeKernel::validate(const ITensorInfo *src, const ITensorInfo *dst) +{ + ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst)); + + return Status{}; +} + +void CpuReshapeKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) +{ + ARM_COMPUTE_UNUSED(info); + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window); + + const auto src = tensors.get_const_tensor(TensorType::ACL_SRC); + auto dst = tensors.get_tensor(TensorType::ACL_DST); + + switch(src->info()->data_type()) + { + case DataType::U8: + case DataType::S8: + case DataType::QASYMM8: + case DataType::QASYMM8_SIGNED: + reshape_tensor<uint8_t>(window, src, dst); + break; + case DataType::U16: + case DataType::S16: + case DataType::F16: + reshape_tensor<uint16_t>(window, src, dst); + break; + case DataType::U32: + case DataType::S32: + case DataType::F32: + reshape_tensor<uint32_t>(window, src, dst); + break; + default: + ARM_COMPUTE_ERROR("Unsupported data type!"); + } +} + +const char *CpuReshapeKernel::name() const +{ + return "CpuReshapeKernel"; +} +} // namespace kernels +} // namespace cpu +} // namespace arm_compute +/** [NEReshapeLayerKernel Kernel] **/ |