e955c94ed3
Listing the "Blender Foundation" as copyright holder implied the Blender Foundation holds copyright to files which may include work from many developers. While keeping copyright on headers makes sense for isolated libraries, Blender's own code may be refactored or moved between files in a way that makes the per file copyright holders less meaningful. Copyright references to the "Blender Foundation" have been replaced with "Blender Authors", with the exception of `./extern/` since these this contains libraries which are more isolated, any changed to license headers there can be handled on a case-by-case basis. Some directories in `./intern/` have also been excluded: - `./intern/cycles/` it's own `AUTHORS` file is planned. - `./intern/opensubdiv/`. An "AUTHORS" file has been added, using the chromium projects authors file as a template. Design task: #110784 Ref !110783.
81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include <chrono>
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#include <iostream>
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#include <string>
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#include "BLI_sys_types.h"
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namespace blender::timeit {
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using Clock = std::chrono::steady_clock;
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using TimePoint = Clock::time_point;
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using Nanoseconds = std::chrono::nanoseconds;
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void print_duration(Nanoseconds duration);
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class ScopedTimer {
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private:
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std::string name_;
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TimePoint start_;
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public:
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ScopedTimer(std::string name) : name_(std::move(name))
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{
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start_ = Clock::now();
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}
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~ScopedTimer()
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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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std::cout << "Timer '" << name_ << "' took ";
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print_duration(duration);
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std::cout << '\n';
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}
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};
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class ScopedTimerAveraged {
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private:
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std::string name_;
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TimePoint start_;
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int64_t &total_count_;
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Nanoseconds &total_time_;
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Nanoseconds &min_time_;
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public:
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ScopedTimerAveraged(std::string name,
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int64_t &total_count,
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Nanoseconds &total_time,
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Nanoseconds &min_time)
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: name_(std::move(name)),
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total_count_(total_count),
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total_time_(total_time),
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min_time_(min_time)
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{
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start_ = Clock::now();
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}
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~ScopedTimerAveraged();
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};
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} // namespace blender::timeit
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#define SCOPED_TIMER(name) blender::timeit::ScopedTimer scoped_timer(name)
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/**
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* Print the average and minimum runtime of the timer's scope.
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* \warning This uses static variables, so it is not thread-safe.
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*/
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#define SCOPED_TIMER_AVERAGED(name) \
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static int64_t total_count_; \
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static blender::timeit::Nanoseconds total_time_; \
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static blender::timeit::Nanoseconds min_time_ = blender::timeit::Nanoseconds::max(); \
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blender::timeit::ScopedTimerAveraged scoped_timer(name, total_count_, total_time_, min_time_)
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