877bdcace6
CUTLASS 1.3 Release - Efficient GEMM kernel targeting Volta Tensor Cores via mma.sync instruction added in CUDA 10.1.
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/******************************************************************************
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* Copyright (c) 2011-2019, NVIDIA CORPORATION. All rights reserved.
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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 not permitted.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* 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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/**
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* \file
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* \brief C++ exception semantics for CUDA error codes
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*/
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#include <cuda_runtime.h>
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#include <iosfwd>
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#include <stdexcept>
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#include "cutlass/util/platform.h"
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namespace cutlass {
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/// C++ exception wrapper for CUDA \p cudaError_t
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class cuda_exception : public std::exception {
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public:
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/// Constructor
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cuda_exception(const char* msg = "", cudaError_t err = cudaErrorUnknown) : msg(msg), err(err) {}
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/// Returns the underlying CUDA \p cudaError_t
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cudaError_t cudaError() const { return err; }
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protected:
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/// Explanatory string
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const char* msg;
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/// Underlying CUDA \p cudaError_t
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cudaError_t err;
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};
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/// Writes a cudaError_t to an output stream
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inline std::ostream& operator<<(std::ostream& out, cudaError_t result) {
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return out << cudaGetErrorString(result);
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}
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/// Writes a cuda_exception instance to an output stream
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inline std::ostream& operator<<(std::ostream& out, cuda_exception const& e) {
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return out << e.what() << ": " << e.cudaError();
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}
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} // namespace cutlass
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