Teuchos::BaseTimer Class Reference

the basic timer used elsewhere, uses MPI_Wtime for time More...

#include <Teuchos_StackedTimer.hpp>

Inheritance diagram for Teuchos::BaseTimer:

Classes
struct	TimeInfo

Public Types
using	Clock = std::chrono::high_resolution_clock

Public Member Functions
	BaseTimer ()
void	start ()
	Start a currently stopped timer. More...
void	stop ()
	Stop a current running timer and accumulate time difference. More...
unsigned long	incrementCount (unsigned long count=1)
	Increment the total number of items updated between a start stop. More...
double	accumulatedTime () const
	Get the total accumulated time since last reset or construction when the timer is running. More...
void	setAccumulatedTime (double accum=0)
	Setter for accumulated time. More...
double	accumulatedTimePerUpdate () const
	return the average time per item updated More...
double	accumulatedTimePerTimerCall () const
	return the average time per timer start/stop More...
double	difference (const BaseTimer &from) const
	Return the difference between two timers in seconds,. More...
void	reset ()
	Reset all the timer stats, throws if it is already running. More...
unsigned long	totalUpdates () const
bool	running () const

Protected Attributes
double	accumulation_
unsigned long	count_started_
unsigned long long	count_updates_
Clock::time_point	start_time_
bool	running_

Friends
struct	TimeInfo

Detailed Description

the basic timer used elsewhere, uses MPI_Wtime for time

This class hold a time and number of times this timer is called, and a count of how many "updates" this timer has services. Example if you have a mesh of 100 elements your count might be 7, but total iterations would be 700 this number is useful for dynamic systems where the total number of items services might change in time

Definition at line 44 of file Teuchos_StackedTimer.hpp.

Member Typedef Documentation

Clock

using Teuchos::BaseTimer::Clock = std::chrono::high_resolution_clock

Definition at line 48 of file Teuchos_StackedTimer.hpp.

Constructor & Destructor Documentation

BaseTimer()

Teuchos::BaseTimer::BaseTimer ( )

inline

Definition at line 50 of file Teuchos_StackedTimer.hpp.

Member Function Documentation

start()

void Teuchos::BaseTimer::start ( )

inline

Start a currently stopped timer.

Definition at line 53 of file Teuchos_StackedTimer.hpp.

stop()

void Teuchos::BaseTimer::stop ( )

inline

Stop a current running timer and accumulate time difference.

Definition at line 63 of file Teuchos_StackedTimer.hpp.

incrementCount()

unsigned long Teuchos::BaseTimer::incrementCount ( unsigned long  count = 1 )

inline

Increment the total number of items updated between a start stop.

Definition at line 71 of file Teuchos_StackedTimer.hpp.

accumulatedTime()

double Teuchos::BaseTimer::accumulatedTime ( ) const

inline

Get the total accumulated time since last reset or construction when the timer is running.

Definition at line 74 of file Teuchos_StackedTimer.hpp.

setAccumulatedTime()

void Teuchos::BaseTimer::setAccumulatedTime ( double  accum = 0 )

inline

Setter for accumulated time.

Definition at line 77 of file Teuchos_StackedTimer.hpp.

accumulatedTimePerUpdate()

double Teuchos::BaseTimer::accumulatedTimePerUpdate ( ) const

inline

return the average time per item updated

This returns the time on average that the code spends updating an iteration. If it is running than it will not include the current time. It differs from accumulatedTimePerTimerCall in that it is meant to be timer per event other that start/stop, like mesh update

Returns

average time per iteration pair

Definition at line 87 of file Teuchos_StackedTimer.hpp.

accumulatedTimePerTimerCall()

double Teuchos::BaseTimer::accumulatedTimePerTimerCall ( ) const

inline

return the average time per timer start/stop

This returns the time on average that the code spends between a call to start and stop. If it is running than it will not include the current time

Returns

average time per start/stop pair

Definition at line 103 of file Teuchos_StackedTimer.hpp.

difference()

double Teuchos::BaseTimer::difference ( const BaseTimer &  from ) const

inline

Return the difference between two timers in seconds,.

Parameters

[in]

from

reference time you are computing difference from

Returns

my time - from times

Definition at line 117 of file Teuchos_StackedTimer.hpp.

reset()

void Teuchos::BaseTimer::reset ( )

inline

Reset all the timer stats, throws if it is already running.

Definition at line 122 of file Teuchos_StackedTimer.hpp.

totalUpdates()

unsigned long Teuchos::BaseTimer::totalUpdates ( ) const

inline

Definition at line 129 of file Teuchos_StackedTimer.hpp.

running()

bool Teuchos::BaseTimer::running ( ) const

inline

Definition at line 131 of file Teuchos_StackedTimer.hpp.

Friends And Related Function Documentation

TimeInfo

friend struct TimeInfo

friend

Definition at line 149 of file Teuchos_StackedTimer.hpp.

Member Data Documentation

accumulation_

double Teuchos::BaseTimer::accumulation_

protected

Definition at line 143 of file Teuchos_StackedTimer.hpp.

count_started_

unsigned long Teuchos::BaseTimer::count_started_

protected

Definition at line 144 of file Teuchos_StackedTimer.hpp.

count_updates_

unsigned long long Teuchos::BaseTimer::count_updates_

protected

Definition at line 145 of file Teuchos_StackedTimer.hpp.

start_time_

Clock::time_point Teuchos::BaseTimer::start_time_

protected

Definition at line 146 of file Teuchos_StackedTimer.hpp.

running_

bool Teuchos::BaseTimer::running_

protected

Definition at line 147 of file Teuchos_StackedTimer.hpp.

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

• Teuchos_StackedTimer.hpp