51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "BLI_timeit.hh"
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#include <algorithm>
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#include <iomanip>
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namespace blender::timeit {
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void print_duration(Nanoseconds duration)
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{
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using namespace std::chrono;
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if (duration < microseconds(100)) {
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std::cout << duration.count() << " ns";
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}
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else if (duration < seconds(5)) {
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std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e6 << " ms";
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}
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else if (duration > seconds(90)) {
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/* Long durations: print seconds, and also H:m:s */
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const auto dur_hours = duration_cast<hours>(duration);
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const auto dur_mins = duration_cast<minutes>(duration - dur_hours);
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const auto dur_sec = duration_cast<seconds>(duration - dur_hours - dur_mins);
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std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e9 << " s ("
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<< dur_hours.count() << "H:" << dur_mins.count() << "m:" << dur_sec.count() << "s)";
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}
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else {
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std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e9 << " s";
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}
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}
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ScopedTimerAveraged::~ScopedTimerAveraged()
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{
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const TimePoint end = Clock::now();
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const Nanoseconds duration = end - start_;
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total_count_++;
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total_time_ += duration;
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min_time_ = std::min(duration, min_time_);
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std::cout << "Timer '" << name_ << "': (Average: ";
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print_duration(total_time_ / total_count_);
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std::cout << ", Min: ";
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print_duration(min_time_);
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std::cout << ", Last: ";
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print_duration(duration);
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std::cout << ")\n";
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}
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} // namespace blender::timeit
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