G4Timer.hh File Reference

#include <sys/times.h>
#include <unistd.h>
#include "G4Types.hh"
#include "G4ios.hh"
#include <chrono>
#include "G4Timer.icc"

Go to the source code of this file.

Data Structures
class	G4Timer

Functions
std::ostream &	operator<< (std::ostream &os, const G4Timer &t)

Function Documentation

operator<<()

std::ostream & operator<<	(	std::ostream &	os,
		const G4Timer &	t
	)

Definition at line 88 of file G4Timer.cc.

{
  // so fixed doesn't propagate
  std::stringstream ss;
  ss << std::fixed;
  if(t.IsValid())
  {
    ss << "User=" << t.GetUserElapsed() << "s Real=" << t.GetRealElapsed()
       << "s Sys=" << t.GetSystemElapsed() << "s";
#ifdef G4MULTITHREADED
    // avoid possible FPE error
    if(t.GetRealElapsed() > 1.0e-6)
    {
      G4double cpu_util = (t.GetUserElapsed() + t.GetSystemElapsed()) /
                          t.GetRealElapsed() * 100.0;
      ss << std::setprecision(1);
      ss << " [Cpu=" << std::setprecision(1) << cpu_util << "%]";
    }
#endif
  }
  else
  {
    ss << "User=****s Real=****s Sys=****s";
  }
  os << ss.str();
 
  return os;
}

References G4Timer::GetRealElapsed(), G4Timer::GetSystemElapsed(), G4Timer::GetUserElapsed(), and G4Timer::IsValid().