6c2f8f2fb8
* cutlass 2.6 update * remove debug prints * cutlass 2.6.1 (minor update) * Updated CHANGELOG. * Minor edit to readme to indicate patch version. * Minor edit to readme. Co-authored-by: Haicheng Wu <haichengw@nvidia.com>, Andrew Kerr <akerr@nvidia.com>
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
/***************************************************************************************************
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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 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 a math function
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*/
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#pragma once
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#include <cuda_runtime.h>
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#include "cutlass/cutlass.h"
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namespace cutlass {
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namespace profiler {
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/////////////////////////////////////////////////////////////////////////////////////////////////
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struct GpuTimer {
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cudaEvent_t events[2];
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//
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// Methods
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//
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GpuTimer();
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~GpuTimer();
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/// Records a start event in the stream
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void start(cudaStream_t stream = nullptr);
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/// Records a stop event in the stream
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void stop(cudaStream_t stream = nullptr);
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/// Records a stop event in the stream and synchronizes on the stream
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void stop_and_wait(cudaStream_t stream = nullptr);
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/// Returns the duration in miliseconds
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double duration(int iterations = 1) const;
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};
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/////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace profiler
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} // namespace cutlass
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