/*
* Copyright (c) 2010-2011 Brigham Young University
*
* This file is part of the BYU RapidSmith Tools.
*
* BYU RapidSmith Tools is free software: you may redistribute it
* and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 2 of
* the License, or (at your option) any later version.
*
* BYU RapidSmith Tools 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
* General Public License for more details.
*
* A copy of the GNU General Public License is included with the BYU
* RapidSmith Tools. It can be found at doc/gpl2.txt. You may also
* get a copy of the license at <http://www.gnu.org/licenses/>.
*
*/
package edu.byu.ece.rapidSmith.tests;
import edu.byu.ece.rapidSmith.design.Design;
import edu.byu.ece.rapidSmith.util.MessageGenerator;
public class CheckDesignMemoryUsage {
public static void main(String[] args) {
if(args.length != 1){
MessageGenerator.briefMessageAndExit("USAGE: <designFile.xdl>");
}
// Measure Initial Heap Size
Runtime rt = Runtime.getRuntime();
System.gc();
long initial_usage = rt.totalMemory() - rt.freeMemory();
// Start Timer
long start = System.nanoTime();
Design design = new Design(args[0]);
// Stop Timer
long stop = System.nanoTime();
// Measure Final Heap Size
System.gc();
long total_usage = rt.totalMemory() - rt.freeMemory() - initial_usage;
System.out.printf("Loaded %s design in %5.3f seconds using %d MBs of heap space.%s",
design.getPartName(), (stop-start)/1000000000.0, total_usage/(1024*1024), System.getProperty("line.separator"));
design.saveXDLFile(args[0].replace(".xdl", "_saved.xdl"), true);
}
}