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Diffstat (limited to 'runtimes/pure_arm_compute/src/internal/TensorSource.h')
-rw-r--r-- | runtimes/pure_arm_compute/src/internal/TensorSource.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/runtimes/pure_arm_compute/src/internal/TensorSource.h b/runtimes/pure_arm_compute/src/internal/TensorSource.h new file mode 100644 index 000000000..0ddc44855 --- /dev/null +++ b/runtimes/pure_arm_compute/src/internal/TensorSource.h @@ -0,0 +1,63 @@ +/* + * 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_TENSOR_SOURCE_H__ +#define __INTERNAL_TENSOR_SOURCE_H__ + +#include <util/tensor/Shape.h> +#include <util/tensor/IndexIterator.h> + +#include "internal/Source.h" +#include "internal/Swizzle.h" +#include "internal/nnapi/tensor/Reader.h" +#include "internal/arm_compute/tensor/View.h" + +// NOTE TensorSource is much slower than specialized Source(s) +template <typename T> class TensorSource final : public Source +{ +public: + TensorSource(const nnfw::util::tensor::Shape &shape, const T *base, const size_t size) + : _shape{shape}, _base{base}, _size{size} + { + // DO NOTHING + } + +public: + void push(::arm_compute::ITensor &tensor) const override + { + const ::internal::nnapi::tensor::Reader<T> from{_shape, _base, _size}; + ::internal::arm_compute::tensor::View<T> into{&tensor}; + + ::nnfw::util::tensor::iterate(_shape) << [&](const nnfw::util::tensor::Index &index_nnapi) { + const auto rank = index_nnapi.rank(); + nnfw::util::tensor::Index index_ACL(rank); + + for (uint32_t axis = 0; axis < rank; ++axis) + { + index_ACL.at(ToARMComputeAxis(rank, axis).value()) = index_nnapi.at(axis); + } + + into.at(index_ACL) = from.at(index_nnapi); + }; + } + +private: + const nnfw::util::tensor::Shape _shape; + const T *const _base; + const size_t _size; +}; + +#endif // __INTERNAL_TENSOR_SOURCE_H__ |