utils
Class StopWatch

java.lang.Object
  utils.StopWatch

public class StopWatch
extends java.lang.Object

Constructor Summary

StopWatch()

Method Summary

static long	benchMark(java.lang.Runnable r, int n) Run the runnable r n times and return the average time in ms.
void	clear() Zero the elapsedTime
double	getElapsedTime() This is the time between a mark and a record.
long	getTimeInMs() This returns the elapsed time in MS
static void	main(java.lang.String[] args)
void	print(double N, java.lang.String message)
void	print(java.lang.String message)
void	report() Report the elapsed time between the mark and the record invocations to the System.out.
void	report(java.io.PrintStream ps) Reports the elapsed time in seconds.
void	reset()
void	start() record the current time in milliseconds
void	stop() Compute the difference between the mark'd time and the current time, in milliseconds.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StopWatch

public StopWatch()

Method Detail

reset

public void reset()

start

public void start()

record the current time in milliseconds

clear

public void clear()

Zero the elapsedTime

stop

public void stop()

Compute the difference between the mark'd time and the current time, in milliseconds. The record method computes the elapsed_time.

getElapsedTime

public double getElapsedTime()

This is the time between a mark and a record.

Returns:

the time in seconds as a float

getTimeInMs

public long getTimeInMs()

This returns the elapsed time in MS

Returns:

a long in ms for the elapsed time.

benchMark

public static long benchMark(java.lang.Runnable r,
                             int n)

Run the runnable r n times and return the average time in ms.

Parameters:

r -

n -

Returns:

report

public void report(java.io.PrintStream ps)

Reports the elapsed time in seconds.

Parameters:

ps - outputs to the printstream

main

public static void main(java.lang.String[] args)

report

public void report()

Report the elapsed time between the mark and the record invocations to the System.out. Reports the elapsed time in seconds.

print

public void print(double N,
                  java.lang.String message)

print

public void print(java.lang.String message)