127 lines
5.2 KiB
C++
Executable File
127 lines
5.2 KiB
C++
Executable File
/***************************************************************************************************
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* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the NVIDIA CORPORATION nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TOR (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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#pragma once
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#include "cutlass/gemm/threadblock/gemv.h"
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#include "cutlass/gemm/threadblock/default_gemv_core.h"
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#include "cutlass/gemm/threadblock/threadblock_swizzle.h"
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namespace cutlass {
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namespace gemm {
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namespace kernel {
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/////////////////////////////////////////////////////////////////////////////////////////////////
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template <
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/// Size of the ThreadBlock tile - concept: gemm::GemmShape<>
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typename ThreadBlockShape_,
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/// Size of the per-thread shape - concept: gemm::GemmShape<>
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typename ThreadShape_,
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/// Data type of A elements
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typename ElementA_,
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/// Layout of A matrix (concept: MatrixLayout)
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typename LayoutA_,
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/// Data type of B elements
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typename ElementB_,
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/// Layout of B matrix (concept: MatrixLayout)
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typename LayoutB_,
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/// Element type of C/D matrix
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typename ElementCD_,
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/// Layout of C/D matrix (concept: MatrixLayout)
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typename LayoutCD_,
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/// Data type of the accumulator
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typename ElementAccumulator_ = ElementCD_>
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struct DefaultGemv {
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/// Shape of Threadblock-level matrix operation (concept: GemmShape)
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using ThreadBlockShape = ThreadBlockShape_;
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/// Shape of warp-level matrix operation (concept: GemmShape)
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using ThreadShape = ThreadShape_;
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/// Data type of multiplicand A
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using ElementA = ElementA_;
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/// Layout of multiplicand A
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using LayoutA = LayoutA_;
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/// Data type of multiplicand B
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using ElementB = ElementB_;
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/// Layout of multiplicand B
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using LayoutB = LayoutB_;
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/// Data type of accumulators
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using ElementAccumulator = ElementAccumulator_;
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/// Data type of accumulators (same as C/D)
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using LayoutAccumulator = LayoutCD_;
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/// Data type of input/output matrix C/D
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using ElementCD = ElementCD_;
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/// Layout of input/output matrix C/D
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using LayoutCD = LayoutCD_;
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// Define the core components
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using Core = typename cutlass::gemm::threadblock::DefaultGemvCore<
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ThreadBlockShape, ThreadShape, ElementA, LayoutA, ElementB, LayoutB,
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ElementAccumulator, LayoutAccumulator>;
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// Define the threadblock-scoped gemv
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using ThreadBlockGemv = cutlass::gemm::threadblock::Gemv<Core>;
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// Iterator for multiplicand A
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using IteratorA = typename ThreadBlockGemv::IteratorA;
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// Iterator for multiplicand B
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using IteratorB = typename ThreadBlockGemv::IteratorB;
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/// Policy for the iterator that reads/writes C/D
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using IteratorPolicyCD = typename platform::conditional<
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platform::is_same<LayoutCD, layout::RowMajor>::value,
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cutlass::transform::PitchLinearTilePolicyStripminedThreadContiguous<
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layout::PitchLinearShape<ThreadBlockShape::kN, ThreadBlockShape::kM>, Core::kThreadsPerN, ThreadShape::kN>,
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cutlass::transform::PitchLinearTilePolicyStripminedThreadStrided<
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layout::PitchLinearShape<ThreadBlockShape::kM, ThreadBlockShape::kN>, Core::kThreadsPerN, ThreadShape::kM>>::type;
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/// Iterator that reads/writes C/D
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using IteratorCD = cutlass::transform::threadblock::PredicatedTileIterator<
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cutlass::MatrixShape<ThreadBlockShape::kM, ThreadBlockShape::kN>, ElementCD, LayoutCD, 0, IteratorPolicyCD>;
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/// Fragment storage for C/D
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using FragmentCD = typename IteratorCD::Fragment;
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// Define the threadblock swizzle
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using ThreadBlockSwizzle = cutlass::gemm::threadblock::GemvBatchedStridedThreadblockDefaultSwizzle;
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};
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/////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace kernel
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} // namespace gemm
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} // namespace cutlass
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