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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. 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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License
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#pragma once
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#include <chrono>
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class Timer {
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public:
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Timer() {
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reset();
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}
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double
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get_overall_seconds() {
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using namespace std::chrono;
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auto now = high_resolution_clock::now();
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auto diff = now - init_record;
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step_record = now;
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return (double)duration_cast<microseconds>(diff).count() * 1e-6;
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}
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double
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get_step_seconds() {
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using namespace std::chrono;
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auto now = high_resolution_clock::now();
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auto diff = now - step_record;
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step_record = now;
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return (double)duration_cast<microseconds>(diff).count() * 1e-6;
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}
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void
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reset() {
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using namespace std::chrono;
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step_record = init_record = high_resolution_clock::now();
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}
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private:
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using nanosecond_t = std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds>;
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private:
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nanosecond_t init_record;
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nanosecond_t step_record;
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}; |