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64 lines
1.4 KiB
64 lines
1.4 KiB
6 years ago
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/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#include "paddle/fluid/platform/timer.h"
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namespace paddle {
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namespace platform {
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void Timer::Reset() {
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_start.tv_sec = 0;
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_start.tv_usec = 0;
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_count = 0;
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_elapsed = 0;
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_paused = true;
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}
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void Timer::Start() {
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Reset();
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Resume();
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}
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void Timer::Pause() {
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if (_paused) {
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return;
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}
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_elapsed += Tickus();
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++_count;
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_paused = true;
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}
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void Timer::Resume() {
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gettimeofday(&_start, NULL);
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_paused = false;
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}
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int Timer::Count() { return _count; }
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double Timer::ElapsedUS() { return static_cast<double>(_elapsed); }
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double Timer::ElapsedMS() { return _elapsed / 1000.0; }
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double Timer::ElapsedSec() { return _elapsed / 1000000.0; }
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int64_t Timer::Tickus() {
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gettimeofday(&_now, NULL);
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return (_now.tv_sec - _start.tv_sec) * 1000 * 1000L +
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(_now.tv_usec - _start.tv_usec);
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}
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} // namespace platform
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} // namespace paddle
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