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我有一個程序,時間的時間量的消息需要發送從一臺計算機到另一個,但結果在長格式,我怎樣才能將它轉換爲毫秒如何轉換長到毫秒
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;
的結果是:
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>
,我想將這些轉換成一些更可讀