并行计算算法示例(C语言源码)

#include #include #include"mpi.h" doublef(doublex){ return(4.0/(1.0+x*x)); } intmain(intargc,char*argv[]){ intnumprocs,myid; intnamelen; charprocessor_name[MPI_MAX_PROCESSOR_NAME]; intn=0,i; doublestartwtime,endwtime; doubleh,sum,x,my