Blender  V3.3
timeit.cc
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #include "BLI_timeit.hh"
4 
5 #include <algorithm>
6 #include <iomanip>
7 
8 namespace blender::timeit {
9 
11 {
12  using namespace std::chrono;
13  if (duration < microseconds(100)) {
14  std::cout << duration.count() << " ns";
15  }
16  else if (duration < seconds(5)) {
17  std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e6 << " ms";
18  }
19  else if (duration > seconds(90)) {
20  /* Long durations: print seconds, and also H:m:s */
21  const auto dur_hours = duration_cast<hours>(duration);
22  const auto dur_mins = duration_cast<minutes>(duration - dur_hours);
23  const auto dur_sec = duration_cast<seconds>(duration - dur_hours - dur_mins);
24  std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e9 << " s ("
25  << dur_hours.count() << "H:" << dur_mins.count() << "m:" << dur_sec.count() << "s)";
26  }
27  else {
28  std::cout << std::fixed << std::setprecision(1) << duration.count() / 1.0e9 << " s";
29  }
30 }
31 
33 {
34  const TimePoint end = Clock::now();
35  const Nanoseconds duration = end - start_;
36 
37  total_count_++;
38  total_time_ += duration;
39  min_time_ = std::min(duration, min_time_);
40 
41  std::cout << "Timer '" << name_ << "': (Average: ";
42  print_duration(total_time_ / total_count_);
43  std::cout << ", Min: ";
44  print_duration(min_time_);
45  std::cout << ")\n";
46 }
47 
48 } // namespace blender::timeit
Clock::time_point TimePoint
Definition: BLI_timeit.hh:14
void print_duration(Nanoseconds duration)
Definition: timeit.cc:10
std::chrono::nanoseconds Nanoseconds
Definition: BLI_timeit.hh:15
#define min(a, b)
Definition: sort.c:35