org.cpsolver.ifs.util

Class JProf

java.lang.Object

org.cpsolver.ifs.util.JProf

public class JProf
extends Object

CPU time measurement. JAVA profiling extension is used. Java needs to be executed with -Xrunjprof. When the java is executed outside this profiler, System.currentTimeMillis() is used. Using ThreadMXBean to get the current thread CPU time, if supported. Using System.nanoTime() otherwise.

Version:

IFS 1.3 (Iterative Forward Search)
Copyright (C) 2006 - 2014 Tomáš Müller
muller@unitime.org
http://muller.unitime.org

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not see http://www.gnu.org/licenses/.

Author:

Tomáš Müller

Constructor Summary

Constructors

Constructor and Description
JProf()

Method Summary

Modifier and Type	Method and Description
static long	currentTimeMillis() Current CPU time of this thread in milliseconds
static double	currentTimeSec() Current CPU time of this thread in seconds

Methods inherited from class java.lang.Object

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

Constructor Detail

JProf

public JProf()

Method Detail

currentTimeSec

public static double currentTimeSec()

Current CPU time of this thread in seconds

Returns:

CPU time in seconds

currentTimeMillis

public static long currentTimeMillis()

Current CPU time of this thread in milliseconds

Returns:

CPU time in milliseconds