package org.nebulaframework.benchmark;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nebulaframework.benchmark.linpack.LinPackBenchmark;
import org.nebulaframework.core.job.future.GridJobFuture;
import org.nebulaframework.grid.Grid;
import org.nebulaframework.grid.cluster.node.GridNode;
import org.springframework.remoting.RemoteInvocationFailureException;
import org.springframework.util.StopWatch;
/**
* LinPack Benchmark Executor. This class can be executed to submit a
* LinPack benchmark job on the Grid and to obtain the results.
* <p>
* Note that this is a stand-alone console application, and it creates a
* light-weight job submission GridNode.
*
* @author Yohan Liyanage
* @version 1.0
*/
public class LinPackBechmarkNode {
private static Log log = LogFactory.getLog(LinPackBechmarkNode.class);
/**
* Command-Line Application Execution Point.
*
* @param args not supported
*/
public static void main(String[] args) {
try {
log.info("LinPack Benchmark GridNode Starting...");
StopWatch sw = new StopWatch();
sw.start();
GridNode node = Grid.startLightGridNode();
log.info("GridNode ID : " + node.getId());
sw.stop();
log.info("GridNode Started Up. [" + sw.getLastTaskTimeMillis()
+ " ms]");
sw.start();
GridJobFuture future = null;
log.debug("Submitting LinPack Benchmark Job");
// Submit Job
future = node.getJobSubmissionService()
.submitJob(new LinPackBenchmark(200,5));
double result = 0;
try {
result = (Double) future.getResult();
System.err.println("*********************************************");
System.err.println("LinPack Benchmark Grid MLFOPS : " + result);
System.err.println("*********************************************");
} catch (RemoteInvocationFailureException e) {
e.getCause().printStackTrace();
}
sw.stop();
log.info("GridJob Finished. Duration " + sw.getLastTaskTimeMillis()
+ " ms");
log.debug("Press any key to unregister GridNode and terminate");
System.in.read();
node.getNodeRegistrationService().unregister();
log.info("Unregistered, Terminating...");
System.exit(0);
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}