今天开始学习写MPI,基本过程:
1)配置mpi环境
2)拿一小段MPI代码试验,来自:http://blog.csdn.net/zhuliting/article/details/5868425
#include <stdio.h>
#include <math.h>
#include "mpi.h"
int main(int argc,char *argv[])
{
int i,j,k,n,myid,numprocs,namelen;
char processor_name[MPI_MAX_PROCESSOR_NAME];
double startwtime=0.0,endwtime;
float mysum, sum;
MPI_Init(&argc,&argv);
MPI_Comm_rank(MPI_COMM_WORLD,&myid);
MPI_Comm_size(MPI_COMM_WORLD,&numprocs);
......
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