MPI入门

mac2026-02-16  10

MPIDemo

1 头文件要扩充

#include<mpi.h>

2 MPI 程序框架

MPI_Init(&argc.&argv); //程序开始 //程序代码 MPI_Finalize(); //程序结束

3 demo

#include<mpi.h> #include<stdio.h> int main(int argc,char*argv[]){ MPI_Init(&argc,&argv); printf("this is the first mpi program"); MPI_Finalize(); }

4 运行执行操作

mpicc -o MpiDemo MpiDemo.c mpirun -n 2 MpiDemo

5 输出结果

this is the first mpi program this is the first mpi program
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