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Diffstat (limited to 'compute_kernel_writer/src/Tensor3dMapper.h')
-rw-r--r-- | compute_kernel_writer/src/Tensor3dMapper.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/compute_kernel_writer/src/Tensor3dMapper.h b/compute_kernel_writer/src/Tensor3dMapper.h new file mode 100644 index 0000000000..1c3856addd --- /dev/null +++ b/compute_kernel_writer/src/Tensor3dMapper.h @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2023 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. + */ + +#ifndef CKW_SRC_TENSOR3DMAPPER_H +#define CKW_SRC_TENSOR3DMAPPER_H + +#include "ckw/TensorSampler.h" + +#include <string> +namespace ckw +{ + +class ITensor; +class TensorSampler; + +/** This internal-only class is responsible to map an Nd tensor to a 3d tensor with the + * help of TensorSampler object. The aim of the dimensionality reduction is to reduce + * the address calculation to: + * x + y * stride_y + z * stride_z + offset, where offset is determined by the batch. + */ +class Tensor3dMapper +{ +public: + /** Constructor */ + Tensor3dMapper(ITensor *tensor, TensorSampler sampler); + + /** Get dimension x as string */ + std::string tensor_component_x() const; + + /** Get dimension y as string */ + std::string tensor_component_y() const; + + /** Get dimension z as string */ + std::string tensor_component_z() const; + + /** Get stride for dimension x as string */ + std::string tensor_component_stride_x() const; + + /** Get stride for dimension y as string */ + std::string tensor_component_stride_y() const; + + /** Get stride for dimension z as string */ + std::string tensor_component_stride_z() const; + + /** Get stride for batch dimension as string */ + std::string tensor_component_stride_batch() const; + + /** Get the tensor sampler */ + TensorSampler sampler() const; + + /** Get the associated tensor */ + ITensor *tensor() const; + +private: + ITensor *_tensor; + TensorSampler _sampler; +}; +} // namespace ckw + +#endif /* CKW_SRC_TENSOR3DMAPPER_H */ |