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Diffstat (limited to 'runtimes/pure_arm_compute/src/internal/MatrixSink.h')
-rw-r--r-- | runtimes/pure_arm_compute/src/internal/MatrixSink.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/runtimes/pure_arm_compute/src/internal/MatrixSink.h b/runtimes/pure_arm_compute/src/internal/MatrixSink.h new file mode 100644 index 000000000..32bd49dc6 --- /dev/null +++ b/runtimes/pure_arm_compute/src/internal/MatrixSink.h @@ -0,0 +1,71 @@ +/* + * 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. + */ + +#ifndef __INTERNAL_MATRIX_SINK_H__ +#define __INTERNAL_MATRIX_SINK_H__ + +#include "internal/Sink.h" + +#include <arm_compute/core/ITensor.h> +#include <arm_compute/core/Window.h> +#include <arm_compute/core/Helpers.h> + +#include <cstdint> +#include <cstring> +#include <cassert> + +template <typename T> class MatrixSink final : public Sink +{ +public: + MatrixSink(const int32_t H, const int32_t W, T *base, const size_t size) + : _height{H}, _width{W}, _base{base} + { + assert(size >= _height * _width * sizeof(T)); + } + +public: + void pull(::arm_compute::ITensor &tensor) const override + { + assert(tensor.info()->dimension(0) == _width); + assert(tensor.info()->dimension(1) == _height); + + 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); + + Iterator it(&tensor, window); + execute_window_loop(window, + [&](const ::arm_compute::Coordinates &id) { + const auto row = id.y(); + memcpy(_base + row * _width, it.ptr(), _width * sizeof(T)); + }, + it); + } + +private: + const int32_t _height; + const int32_t _width; + +private: + T *const _base; +}; + +#endif // __INTERNAL_MATRIX_SINK_H__ |