55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright 2019 Yan Yan
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <chrono>
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#include <cuda_runtime_api.h>
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#include <iostream>
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namespace spconv {
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template <typename TimeT = std::chrono::microseconds> struct CudaContextTimer {
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CudaContextTimer() {
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cudaDeviceSynchronize();
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mCurTime = std::chrono::steady_clock::now();
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}
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typename TimeT::rep report() {
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cudaDeviceSynchronize();
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auto duration = std::chrono::duration_cast<TimeT>(
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std::chrono::steady_clock::now() - mCurTime);
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auto res = duration.count();
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mCurTime = std::chrono::steady_clock::now();
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return res;
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}
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private:
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std::chrono::time_point<std::chrono::steady_clock> mCurTime;
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};
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template <typename TimeT = std::chrono::microseconds> struct CPUTimer {
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CPUTimer() { mCurTime = std::chrono::steady_clock::now(); }
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typename TimeT::rep report() {
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auto duration = std::chrono::duration_cast<TimeT>(
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std::chrono::steady_clock::now() - mCurTime);
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auto res = duration.count();
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mCurTime = std::chrono::steady_clock::now();
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return res;
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}
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private:
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std::chrono::time_point<std::chrono::steady_clock> mCurTime;
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};
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} // namespace spconv
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