milvus/internal/core/unittest/test_utils/Timer.h
Cai Yudong 0c53f06a33
Fix build error on mac (#16380)
Signed-off-by: Cai Yudong <yudong.cai@zilliz.com>
2022-04-04 21:09:32 +08:00

47 lines
1.3 KiB
C++

// Copyright (C) 2019-2020 Zilliz. 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
#pragma once
#include <chrono>
class Timer {
using stdclock = std::chrono::high_resolution_clock;
public:
Timer() {
reset();
}
double
get_overall_seconds() {
auto now = stdclock::now();
auto diff = now - init_record;
step_record = now;
return std::chrono::duration<double, std::micro>(diff).count() * 1e-6;
}
double
get_step_seconds() {
auto now = stdclock::now();
auto diff = now - step_record;
step_record = now;
return std::chrono::duration<double, std::micro>(diff).count() * 1e-6;
}
void
reset() {
step_record = init_record = stdclock::now();
}
private:
stdclock::time_point init_record;
stdclock::time_point step_record;
};