Timer Class Reference

#include <Timer.hpp>

List of all members.

Public Member Functions

void start ()

void stop ()

Timer ()

Private Member Functions

real_t __cpuTime ()

Private Attributes

real_t __startTimeCPU

real_t __stopTimeCPU

time_t __startTime

time_t __stopTime

bool __started

bool __stopped

struct tms tp

Friends

std::ostream & operator<< (std::ostream &os, const Timer &T)

Detailed Description

Definition at line 48 of file Timer.hpp.

Constructor & Destructor Documentation

Timer::Timer ( ) [inline]

Definition at line 110 of file Timer.hpp.

00112     : __startTimeCPU(0),
00113       __stopTimeCPU(0),
00114       __startTime(0),
00115       __stopTime(0),
00116       __started(false),
00117       __stopped(false)
00118 #endif // __MINGW32__
00119   {
00120     ;
00121   }

Member Function Documentation

real_t Timer::__cpuTime ( ) [inline, private]

Definition at line 63 of file Timer.hpp.

References tp.

Referenced by start(), and stop().

00064   {
00065     static const long _CLK_TCK = sysconf(_SC_CLK_TCK);
00066     times(&tp);
00067     return static_cast<real_t>(tp.tms_utime)/_CLK_TCK;
00068   }

void Timer::start ( ) [inline]

Definition at line 72 of file Timer.hpp.

References __cpuTime(), __started, __startTime, __startTimeCPU, __stopped, ASSERT, and NULL.

Referenced by FiniteElementMethod::__discretizeOnMesh(), FictitiousDomainMethod::__discretizeOnMesh(), SpectralFEMPreconditioner::Internal::__solveFEM(), FEMDiscretization< Structured3DMesh, TypeOfDiscretization >::assembleMatrix(), FEMDiscretization< GivenMeshType, TypeOfDiscretization >::assembleMatrix(), SpectralLegendreDiscretizationNonConform::assembleSecondMember(), SpectralLegendreDiscretizationConform::assembleSecondMember(), FEMDiscretization< Structured3DMesh, TypeOfDiscretization >::assembleSecondMember(), FEMDiscretization< GivenMeshType, TypeOfDiscretization >::assembleSecondMember(), FFThread::run(), and KrylovSolver::solve().

00073   {
00074 #ifndef __MINGW32__
00075     ASSERT(!__started);
00076     __started=true;
00077     __stopped=false;
00078     __startTime = std::time(NULL);
00079     __startTimeCPU = __cpuTime();
00080 #endif // __MINGW32__
00081   }

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void Timer::stop ( ) [inline]

Definition at line 83 of file Timer.hpp.

References __cpuTime(), __started, __stopped, __stopTime, __stopTimeCPU, ASSERT, and NULL.

Referenced by FiniteElementMethod::__discretizeOnMesh(), FictitiousDomainMethod::__discretizeOnMesh(), SpectralFEMPreconditioner::Internal::__solveFEM(), FEMDiscretization< Structured3DMesh, TypeOfDiscretization >::assembleMatrix(), FEMDiscretization< GivenMeshType, TypeOfDiscretization >::assembleMatrix(), SpectralLegendreDiscretizationNonConform::assembleSecondMember(), SpectralLegendreDiscretizationConform::assembleSecondMember(), FEMDiscretization< Structured3DMesh, TypeOfDiscretization >::assembleSecondMember(), FEMDiscretization< GivenMeshType, TypeOfDiscretization >::assembleSecondMember(), FFThread::run(), and KrylovSolver::solve().

00084   {
00085 #ifndef __MINGW32__
00086     ASSERT(__started);
00087     __started=false;
00088     __stopped=true;
00089 
00090     __stopTime = std::time(NULL);
00091     __stopTimeCPU = __cpuTime();
00092 #endif // __MINGW32__
00093   }

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const Timer &	T
	)			`[friend]`

Definition at line 95 of file Timer.hpp.

00096   {
00097 #ifndef __MINGW32__
00098     if (!T.__stopped) {
00099       os << "Timer not stopped\n";
00100       return os;
00101     }
00102     os << "time: " << std::difftime(T.__stopTime, T.__startTime) << 's'
00103        << " - CPU time: " << T.__stopTimeCPU - T.__startTimeCPU << 's';
00104 #else // __MINGW32__
00105     os << "time: not implemented under windows";
00106 #endif // __MINGW32__
00107     return os;
00108   }

Member Data Documentation

real_t Timer::__startTimeCPU [private]

Definition at line 52 of file Timer.hpp.

Referenced by start().

real_t Timer::__stopTimeCPU [private]

Definition at line 53 of file Timer.hpp.

Referenced by stop().

time_t Timer::__startTime [private]

Definition at line 55 of file Timer.hpp.

Referenced by start().

time_t Timer::__stopTime [private]

Definition at line 56 of file Timer.hpp.

Referenced by stop().

bool Timer::__started [private]

Definition at line 58 of file Timer.hpp.

Referenced by start(), and stop().

bool Timer::__stopped [private]

Definition at line 59 of file Timer.hpp.

Referenced by start(), and stop().

struct tms Timer::tp [read, private]

Definition at line 61 of file Timer.hpp.

Referenced by __cpuTime().

The documentation for this class was generated from the following file:

Timer.hpp


Public Member Functions
void	start ()
void	stop ()
	Timer ()
Private Member Functions
real_t	__cpuTime ()
Private Attributes
real_t	__startTimeCPU
real_t	__stopTimeCPU
time_t	__startTime
time_t	__stopTime
bool	__started
bool	__stopped
struct tms	tp
Friends
std::ostream &	operator<< (std::ostream &os, const Timer &T)