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PaddleSpeech/runtime/engine/common/utils/timer.cc

63 lines
1.7 KiB

// Copyright 2020 Xiaomi Corporation (authors: Haowen Qiu)
// Mobvoi Inc. (authors: Fangjun Kuang)
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <chrono>
#include "common/utils/timer.h"
namespace ppspeech{
struct TimerImpl{
TimerImpl() = default;
virtual ~TimerImpl() = default;
virtual void Reset() = 0;
// time in seconds
virtual double Elapsed() = 0;
};
class CpuTimerImpl : public TimerImpl {
public:
CpuTimerImpl() { Reset(); }
using high_resolution_clock = std::chrono::high_resolution_clock;
void Reset() override { begin_ = high_resolution_clock::now(); }
// time in seconds
double Elapsed() override {
auto end = high_resolution_clock::now();
auto dur =
std::chrono::duration_cast<std::chrono::microseconds>(end - begin_);
return dur.count() / 1000000.0;
}
private:
high_resolution_clock::time_point begin_;
};
Timer::Timer() {
impl_ = std::make_unique<CpuTimerImpl>();
}
Timer::~Timer() = default;
void Timer::Reset() const { impl_->Reset(); }
double Timer::Elapsed() const { return impl_->Elapsed(); }
} //namespace ppspeech