首先我们需要安装Bash
$ sudo apt-get install libcr-dev mpich2 mpich2-doc
写hello.c
# include <mpi.h>
# include <stdio.h>
int main (int argc, char* argv[])
{
int rank, size;
MPI_Init (&argc, &argv); /* starts MPI */
MPI_Comm_rank (MPI_COMM_WORLD, &rank); /* get current process id */
MPI_Comm_size (MPI_COMM_WORLD, &size); /* get number of processes */
printf( "Hello world from process %d of %d\n", rank, size );
MPI_Finalize();
return 0;
}
使用mpicc ,[[INVALID],INVALID] ORTE_ERROR_LOG: A system-required executable either could not be found or was not executable by this user in file ess_singleton_module.c at line 231
$ mpicc.mpich2 hello.c -o h
$ mpiexec.mpich -np <num> ./h
I use mpiexec.mpich
run the code.mpicc.mpich2 hello.c -o h
mpiexec.mpich -np <num> ./h
可以安装mpi,从http://download.csdn.net/detail/lindexi_gd/9714817 下载,使用
tar zvf openmpi-1.6.5.tar.gz
cd openmpi-1.6.5
./config
sudo make & make install