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Diffstat (limited to 'runtime/contrib/pure_arm_compute/src/internal/Tensor3DSource.h')
-rw-r--r-- | runtime/contrib/pure_arm_compute/src/internal/Tensor3DSource.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/runtime/contrib/pure_arm_compute/src/internal/Tensor3DSource.h b/runtime/contrib/pure_arm_compute/src/internal/Tensor3DSource.h new file mode 100644 index 000000000..3d8d1b958 --- /dev/null +++ b/runtime/contrib/pure_arm_compute/src/internal/Tensor3DSource.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved + * + * 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. + */ + +/** + * @file Tensor3DSource.h + * @ingroup COM_AI_RUNTIME + * @brief This file defines Tensor3DSource class + */ +#ifndef __TENSOR3D_SOURCE_H__ +#define __TENSOR3D_SOURCE_H__ + +#include "internal/Source.h" + +// +// This is memcpy() version of generic TensorSource for 3D tensor +// +#include <arm_compute/core/ITensor.h> +#include <arm_compute/core/Window.h> +#include <arm_compute/core/Helpers.h> + +/** + * @brief Class to push tensor data to arm compute tensor + */ +template <typename T> class Tensor3DSource final : public Source +{ +public: + /** + * @brief Construct a new Tensor3DSource object + * @param[in] shape Shape of tensor + * @param[in] base Pointer of tensor data to push + * @param[in] size Size of tensor + */ + Tensor3DSource(const nnfw::misc::tensor::Shape &shape, const T *base, const size_t size) + : _shape{shape}, _base{base}, _size{size} + { + // DO NOTHING + } + +public: + /** + * @brief Push tensor data to arm compute tensor + * @param[out] tensor Tensor object of arm compute to push tensor data + * @return N/A + */ + void push(::arm_compute::ITensor &tensor) const override + { + using ::arm_compute::Window; + using ::arm_compute::Iterator; + using ::arm_compute::Coordinates; + using ::arm_compute::execute_window_loop; + + Window window; + + window.use_tensor_dimensions(tensor.info()->tensor_shape(), ::arm_compute::Window::DimY); + int32_t height_width = _shape.dim(1) * _shape.dim(2); + int32_t width = _shape.dim(2); + + Iterator it(&tensor, window); + execute_window_loop(window, + [&](const ::arm_compute::Coordinates &id) { + const auto z = id.z(); + const auto y = id.y(); + memcpy(it.ptr(), _base + z * height_width + y * width, width * sizeof(T)); + }, + it); + } + +private: + const nnfw::misc::tensor::Shape _shape; + +private: + const T *const _base; + const size_t _size; +}; + +#endif // __TENSOR3D_SOURCE_H__ |