public class HotSpotBenchmark {
public static void runTest() {
int value=0;
// Repeatedly executes feature to measure performance.
for (int i=0; i<100000000; i++) {
// Replace line with your favorite computation.
value +=i;
}
}
public static void main(String[] argv) {
// Run benchmark multiple times. This will allow us to
// see when HotSpot begins executing compiled code.
for (int i = 0; i < 8; i++) {
// Record the start time.
long start= System.currentTimeMillis();
// Run benchmark test.
runTest();
// Record the finish time.
long finish= System.currentTimeMillis();
// Now report how long test ran.
System.out.print ("Time spent = " +
Long.toString(finish - start) + " ms\n");
}
}
}
|
印刷用画面へ
