Java benchmark util.
package com.zmeng.rinascimento.pascal.common.testutil;
import java.util.function.Supplier;
import static java.lang.System.currentTimeMillis;
/**
* Created by Wenxuan-Zhang on 2017/3/20.
* Email: zhangwenxuan@zmeng123.com
*/
public class Benchmark {
public static <T> T measureTime(Supplier<T> task, String taskName) {
// JVM预热
task.get();
System.out.printf("Task [%s] start...\n", taskName);
final long start = currentTimeMillis();
T result = task.get();
System.out.printf("Task [%s] completed using %dms.\n", taskName, currentTimeMillis() - start);
return result;
}
}