/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2010, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package jembench;
/**
* A benchmark where the workload is automatically distributed
* to all available cores.
*
* @author Martin Schoeberl (martin@jopdesign.com)
*
*/
public abstract class ParallelBenchmark extends Benchmark {
ParallelExecutor pe;
public ParallelBenchmark() {
pe = ParallelExecutor.getExecutor();
}
public String toString() {
return "Override the name";
}
public int measure() {
int start, cnt, time;
// run the benchmark loop 1 times minimum
cnt = 1;
time = 0;
// create the worker threads
pe.start();
while (time < MIN_EXECUTE) {
cnt <<= 1;
if (cnt < 0) {
break;
}
start = Util.getTimeMillis();
for (int i=0; i<cnt; ++i) {
pe.executeParallel(getWorker());
}
time = Util.getTimeMillis() - start;
}
// let the worker threads terminate
pe.stop();
// save raw values
setRawResult(cnt, time);
// return iterations per second
return getResult();
}
public abstract Runnable getWorker();
}