?? split2.java
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package mpi.comm;import mpi.*;public class split2 { static public void main(String[] args) throws MPIException { } public split2() { } public split2(String[] args) throws Exception { MPI.Init(args); int size = MPI.COMM_WORLD.Size(); int rank = MPI.COMM_WORLD.Rank(); if(size != 8) { if(rank == 0) System.out.println("comm->split2: MUST RUN WITH 8 processes"); MPI.COMM_WORLD.Barrier(); MPI.Finalize(); return; } int color = 2*rank/size; int key = size - rank - 1; Intracomm newcomm = MPI.COMM_WORLD.Split(color,key); int nrank = newcomm.Rank(); MPI.COMM_WORLD.Barrier(); if(rank == 0) System.out.println("split2 TEST COMPLETE"); MPI.Finalize(); }}?? 快捷鍵說明
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