diff options
Diffstat (limited to 'compute_kernel_writer/src/Tensor3dMapper.h')
-rw-r--r-- | compute_kernel_writer/src/Tensor3dMapper.h | 82 |
1 files changed, 82 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..e94b595193 --- /dev/null +++ b/compute_kernel_writer/src/Tensor3dMapper.h @@ -0,0 +1,82 @@ +/* + * 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 <string> + +namespace ckw +{ +// Forward declarations +class ITensor; +enum class TensorSamplerFormat; +struct TileVariable; + +/** This internal-only class is responsible to map an Nd tensor spatial dimensions to a 3d tensor spatial dimensions with the + * help of TensorSamplerFormat. + * Attention: The batch is not considered as a spatial dimension and it is treated as an offset + * + * The aim of the dimensionality reduction is primarily to reduce + * the address calculation to: + * x + y * stride_y + z * stride_z + offset, where offset is determined by the batch (for example, b * stride_batch). + * + */ +class Tensor3dMapper +{ +public: + /** Constructor */ + Tensor3dMapper(ITensor *tensor, TensorSamplerFormat format); + + /** Get dimension x as string */ + TileVariable dim_x() const; + + /** Get dimension y as string */ + TileVariable dim_y() const; + + /** Get dimension z as string */ + TileVariable dim_z() const; + + /** Get batch dimension as string */ + TileVariable dim_batch() const; + + /** Get stride for dimension x as string */ + TileVariable stride_x() const; + + /** Get stride for dimension y as string */ + TileVariable stride_y() const; + + /** Get stride for dimension z as string */ + TileVariable stride_z() const; + + /** Get stride for batch dimension as string */ + TileVariable stride_batch() const; + +private: + ITensor *_tensor; + TensorSamplerFormat _format; +}; +} // namespace ckw + +#endif /* CKW_SRC_TENSOR3DMAPPER_H */ |