diff options
Diffstat (limited to 'internal/ceres/wall_time.cc')
-rw-r--r-- | internal/ceres/wall_time.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/internal/ceres/wall_time.cc b/internal/ceres/wall_time.cc index 0dce19f..85c4417 100644 --- a/internal/ceres/wall_time.cc +++ b/internal/ceres/wall_time.cc @@ -28,12 +28,20 @@ // // Author: strandmark@google.com (Petter Strandmark) +#include "ceres/wall_time.h" + #ifdef CERES_USE_OPENMP #include <omp.h> #else #include <ctime> #endif +#ifdef _WIN32 +#include <windows.h> +#else +#include <sys/time.h> +#endif + namespace ceres { namespace internal { @@ -41,9 +49,48 @@ double WallTimeInSeconds() { #ifdef CERES_USE_OPENMP return omp_get_wtime(); #else +#ifdef _WIN32 return static_cast<double>(std::time(NULL)); +#else + timeval time_val; + gettimeofday(&time_val, NULL); + return (time_val.tv_sec + time_val.tv_usec * 1e-6); +#endif #endif } +EventLogger::EventLogger(const 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() { + if (VLOG_IS_ON(3)) { + AddEvent("Total"); + VLOG(2) << "\n" << events_ << "\n"; + } +} + +void EventLogger::AddEvent(const string& event_name) { + if (!VLOG_IS_ON(3)) { + return; + } + + const double current_time = WallTimeInSeconds(); + const double relative_time_delta = current_time - last_event_time_; + const double absolute_time_delta = current_time - start_time_; + last_event_time_ = current_time; + + StringAppendF(&events_, + " %30s : %10.5f %10.5f\n", + event_name.c_str(), + relative_time_delta, + absolute_time_delta); +} + } // namespace internal } // namespace ceres |