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我有一个程序,时间的时间量的消息需要发送从一台计算机到另一个,但结果在长格式,我怎样才能将它转换为毫秒如何转换长到毫秒
MPI.Init(args);
int myrank = MPI.COMM_WORLD.Rank();
long startTime = System.nanoTime();
if (myrank == 0) {
...
} else {
...
}
long endTime = System.nanoTime();
long duration = endTime - startTime;
的结果是:
MPJ Express (0.35) is started in the cluster configuration
Starting process <0> on <Raptor>
Starting process <1> on <Predator>
338198093
received: test :
449582529
Stopping process <0> on <Raptor>
Stopping process <1> on <Predator>
,我想将这些转换成一些更可读