88 lines
4.2 KiB
C++
88 lines
4.2 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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/* \file
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\brief Bind Matrix layouts to python
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*/
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#pragma once
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#include <pybind11/pybind11.h>
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#include <pybind11/stl_bind.h>
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#include "cutlass/layout/matrix.h"
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namespace py = pybind11;
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void bind_matrix_layout(py::module &m) {
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//
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// Matrix layouts
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// cutlass/layout/matrix.h
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//
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py::class_<cutlass::layout::RowMajor>(m, "RowMajor", R"pbdoc(
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Mapping function for row-major matrices.
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)pbdoc")
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.def_static("packed", &cutlass::layout::RowMajor::packed,
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py::arg("extent"),
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R"pbdoc(Helper returns a layout to a tightly packed tensor)pbdoc")
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.def("stride", [](const cutlass::layout::RowMajor & layout){
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return layout.stride().at(0);
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}, R"pbdoc(Returns the stride of the layout)pbdoc");
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py::class_<cutlass::layout::ColumnMajor>(m, "ColumnMajor", R"pbdoc(
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Mapping function for column-major matrices.
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)pbdoc")
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.def_static("packed", &cutlass::layout::ColumnMajor::packed,
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py::arg("extent"),
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R"pbdoc(Helper returns a layout to a tightly packed tensor)pbdoc" )
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.def("stride", [](const cutlass::layout::ColumnMajor & layout){
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return layout.stride().at(0);
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}, R"pbdoc(Returns the stride of the layout)pbdoc");
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py::class_<cutlass::layout::RowMajorInterleaved<32>>(m, "RowMajorInterleaved32",
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R"pbdoc(Mapping function for interleaved matrices. Matrix is structured
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as row-major arrangement of fixed-size columns 32)pbdoc")
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.def_static("packed", &cutlass::layout::RowMajorInterleaved<32>::packed,
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py::arg("extent"),
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R"pbdoc(Helper returns a layout to a tightly packed tensor)pbdoc")
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.def("stride", [](const cutlass::layout::RowMajorInterleaved<32> & layout){
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return layout.stride().at(0);
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}, R"pbdoc(Returns the stride of the layout)pbdoc");
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py::class_<cutlass::layout::ColumnMajorInterleaved<32>>(m, "ColumnMajorInterleaved32",
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R"pbdoc(Mapping function for interleaved matrices. Matrix is structured
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as column-major arrangement of fixed-size rows 32)pbdoc")
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.def_static("packed", &cutlass::layout::ColumnMajorInterleaved<32>::packed,
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py::arg("extent"),
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R"pbdoc(Helper returns a layout to a tightly packed tensor)pbdoc")
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.def("stride", [](const cutlass::layout::ColumnMajorInterleaved<32> & layout){
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return layout.stride().at(0);
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}, R"pbdoc(Returns the stride of the layout)pbdoc");
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}
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