diff options
Diffstat (limited to 'extern/ceres/internal/ceres/wall_time.cc')
| -rw-r--r-- | extern/ceres/internal/ceres/wall_time.cc | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/extern/ceres/internal/ceres/wall_time.cc b/extern/ceres/internal/ceres/wall_time.cc index c353973cc3e..716392741e9 100644 --- a/extern/ceres/internal/ceres/wall_time.cc +++ b/extern/ceres/internal/ceres/wall_time.cc @@ -50,7 +50,12 @@ double WallTimeInSeconds() { return omp_get_wtime(); #else #ifdef _WIN32 - return static_cast<double>(std::time(NULL)); + LARGE_INTEGER count; + LARGE_INTEGER frequency; + QueryPerformanceCounter(&count); + QueryPerformanceFrequency(&frequency); + return static_cast<double>(count.QuadPart) / + static_cast<double>(frequency.QuadPart); #else timeval time_val; gettimeofday(&time_val, NULL); @@ -59,20 +64,24 @@ double WallTimeInSeconds() { #endif } -EventLogger::EventLogger(const std::string& logger_name) - : start_time_(WallTimeInSeconds()), - last_event_time_(start_time_), - events_("") { - StringAppendF(&events_, - "\n%s\n Delta Cumulative\n", - logger_name.c_str()); +EventLogger::EventLogger(const std::string& logger_name) { + if (!VLOG_IS_ON(3)) { + return; + } + + start_time_ = WallTimeInSeconds(); + last_event_time_ = start_time_; + events_ = StringPrintf( + "\n%s\n Delta Cumulative\n", + logger_name.c_str()); } EventLogger::~EventLogger() { - if (VLOG_IS_ON(3)) { - AddEvent("Total"); - VLOG(2) << "\n" << events_ << "\n"; + if (!VLOG_IS_ON(3)) { + return; } + AddEvent("Total"); + VLOG(3) << "\n" << events_ << "\n"; } void EventLogger::AddEvent(const std::string& event_name) { |