90d3b0fb18
* Updates for 3.2.1 release. * Minor fix in gemm op profiler for raster order. * Add scheduler mapping for raster order in the kernels.
106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2023 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 Defines layout functions used for rank=1 vectors.
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*/
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#pragma once
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#include "cutlass/cutlass.h"
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#include "cutlass/coord.h"
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namespace cutlass {
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namespace layout {
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/// Tensor layout for densely packed vectors.
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class PackedVectorLayout {
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public:
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/// Logical rank of tensor
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static int const kRank = 1;
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/// Rank of stride vector
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static int const kStrideRank = 1;
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/// Index type used for coordinates
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using Index = int32_t;
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/// Long index type used for offsets
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using LongIndex = int64_t;
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/// Logical coordinate
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using TensorCoord = Coord<kRank, Index>;
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/// Stride vector
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using Stride = Coord<kStrideRank, Index>;
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private:
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//
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// No actual stride vector stored
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//
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public:
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//
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// Methods
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//
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CUTLASS_HOST_DEVICE
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PackedVectorLayout() { }
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/// Helper returns a layout to a tightly packed tensor
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CUTLASS_HOST_DEVICE
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static PackedVectorLayout packed(TensorCoord const &size) {
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CUTLASS_UNUSED(size);
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return PackedVectorLayout();
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}
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/// Returns the offset of a coordinate in linear memory
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CUTLASS_HOST_DEVICE
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LongIndex operator()(TensorCoord const &coord) const {
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return coord[0];
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}
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/// Returns the stride of the layout
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CUTLASS_HOST_DEVICE
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Stride stride() const {
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return make_Coord(1);
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}
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/// Compute the number of contiguous elements needed to store a tensor with the given size
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CUTLASS_HOST_DEVICE
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LongIndex capacity(TensorCoord const &size) const {
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return size[0];
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}
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};
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} // namespace layout
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} // namespace cutlass
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