?? barrier_bench.java
字號:
package mpi.perf; import mpi.*;class barrier_bench { static public void main(String[] args) throws MPIException { final int MAXLEN = 1024; int root,i,j=MAXLEN,k; //byte out[] = new byte[MAXLEN]; int REPEAT = 1000; int WARM_UP = 10; int myself,tasks; double time;/* for(i=0;i<j;i++) { out[i] = 's' ; //(byte)i+j; }*/ MPI.Init(args); myself = MPI.COMM_WORLD.Rank(); tasks = MPI.COMM_WORLD.Size(); root = 0; long startTime=0l, endTime=0l; for(j=0;j<WARM_UP;j++) { MPI.COMM_WORLD.Barrier(); } //startTime = MPI.Wtime(); for(j=0;j<REPEAT ;j++) { MPI.COMM_WORLD.Barrier(); } //endTime = MPI.Wtime(); if(myself == tasks-1) { // System.out.println(tasks+" "+// ((endTime - startTime)/(1000*REPEAT)) ); } MPI.COMM_WORLD.Barrier(); MPI.Finalize(); }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -