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cat_files/cutlass.h
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175
cat_files/cutlass.h
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/***************************************************************************************************
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* Copyright (c) 2017-2021, 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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/***************************************************************************************************
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* Copyright (c) 2021 Iluvatar CoreX. All rights reserved.
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* Copyright Declaration: This software, including all of its code and documentation,
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* except for the third-party software it contains, is a copyrighted work of Shanghai Iluvatar CoreX
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* Semiconductor Co., Ltd. and its affiliates ("Iluvatar CoreX") in accordance with the PRC Copyright
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* Law and relevant international treaties, and all rights contained therein are enjoyed by Iluvatar
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* CoreX. No user of this software shall have any right, ownership or interest in this software and
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* any use of this software shall be in compliance with the terms and conditions of the End User
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* License Agreement.
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**************************************************************************************************/
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/*! \file
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\brief Basic include for CUTLASS.
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*/
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#pragma once
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#define CUTLASS_UNUSED(expr) do { (void)(expr); } while (0)
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#if defined(_MSC_VER)
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#define CUTLASS_NOT_IMPLEMENTED() assert(0 && __FUNCSIG__)
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#else
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#define CUTLASS_NOT_IMPLEMENTED() assert(0 && __PRETTY_FUNCTION__)
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace cutlass {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#if defined(__NVCC__) || (defined(__clang__) && defined(__CUDA__))
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#define CUTLASS_HOST_DEVICE __forceinline__ __device__ __host__
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#define CUTLASS_DEVICE __forceinline__ __device__
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#elif defined(__CUDACC_RTC__)
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#define CUTLASS_HOST_DEVICE __forceinline__ __device__
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#define CUTLASS_DEVICE __forceinline__ __device__
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#else
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#define CUTLASS_HOST_DEVICE inline
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#define CUTLASS_DEVICE inline
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#endif
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/// Status code returned by CUTLASS operations
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enum class Status {
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kSuccess, ///< Operation was successful.
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kErrorMisalignedOperand, ///< operands fail alignment requirements.
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kErrorInvalidDataType, ///< DataType fails requirement.
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kErrorInvalidLayout, ///< Layout fails alignment requirement.
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kErrorInvalidProblem, ///< Specified problem size is not supported by operator.
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kErrorNotSupported, ///< Operation is not supported on current device.
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kErrorWorkspaceNull, ///< The given workspace is null when it is required to be non-null.
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kErrorInternal, ///< An error within CUTLASS occurred.
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kErrorArchMismatch, ///< CUTLASS runs on a device that it was not compiled for.
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kErrorInsufficientDriver, ///< CUTLASS runs with a driver that is too old.
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kInvalid ///< Status is unspecified.
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};
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/// Convert cutlass status to status strings
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CUTLASS_HOST_DEVICE
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static char const* cutlassGetStatusString(cutlass::Status status) {
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switch (status) {
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case cutlass::Status::kSuccess:
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return "Success";
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case cutlass::Status::kErrorMisalignedOperand:
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return "Error Misaligned Operand";
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case cutlass::Status::kErrorInvalidDataType:
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return "Error Invalid Data Type";
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case cutlass::Status::kErrorInvalidLayout:
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return "Error Invalid Layout";
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case cutlass::Status::kErrorInvalidProblem:
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return "Error Invalid Problem";
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case cutlass::Status::kErrorNotSupported:
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return "Error Not Supported";
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case cutlass::Status::kErrorWorkspaceNull:
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return "Error Workspace Null";
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case cutlass::Status::kErrorInternal:
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return "Error Internal";
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case cutlass::Status::kErrorInsufficientDriver:
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return "Error Insufficient Driver";
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case cutlass::Status::kErrorArchMismatch:
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return "Erroor Architecture Mismatch";
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case cutlass::Status::kInvalid: break;
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}
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return "Invalid status";
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#define CUTLASS_ASSERT(x) assert(x)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// CUTLASS_PRAGMA_(UNROLL|NO_UNROLL) optimization directives for the CUDA compiler.
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#if defined(__CUDA_ARCH__)
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#if defined(__CUDACC_RTC__) || (defined(__clang__) && defined(__CUDA__))
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#define CUTLASS_PRAGMA_UNROLL _Pragma("unroll")
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#define CUTLASS_PRAGMA_NO_UNROLL _Pragma("unroll 1")
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#else
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#define CUTLASS_PRAGMA_UNROLL #pragma unroll
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#define CUTLASS_PRAGMA_NO_UNROLL #pragma unroll 1
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#endif
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#define CUTLASS_GEMM_LOOP CUTLASS_PRAGMA_NO_UNROLL
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#else
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#define CUTLASS_PRAGMA_UNROLL
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#define CUTLASS_PRAGMA_NO_UNROLL
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#define CUTLASS_GEMM_LOOP
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////
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static const int MEMORY_ACCESS_SIZE = 32;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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static const int NUM_THREADS_PER_WARP = 64;
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static const int NUM_THREADS_PER_HALF_WARP = NUM_THREADS_PER_WARP / 2;
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static const int NUM_THREADS_PER_QUAD = 4;
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static const int NUM_THREADS_PER_QUAD_PAIR = NUM_THREADS_PER_QUAD * 2;
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#if defined(__NVCC__) || (defined(__clang__) && defined(__CUDA__))
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/// Computes laneId within a warp
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CUTLASS_DEVICE
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int LaneId() {
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return __ivcorex_lane_id();
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}
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/// Computes SM number the thread is running on
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CUTLASS_DEVICE
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int SmId() {
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/// TODO(Peter Han): BI compiler doesn't support sm ID
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__asm__ __volatile__("int3");
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return 0;
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}
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace cutlass
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////////////////////////////////////////////////////////////////////////////////////////////////////
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