[MPICH] MPICH2 and OpenMPI ?
Rajeev Thakur
thakur at mcs.anl.gov
Wed Sep 20 09:53:04 CDT 2006
MPICH2 and Open MPI are two different MPI implementations. You can't run one
process of one implementation and one of another.
Rajeev
> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Samuel Brunel
> Sent: Wednesday, September 20, 2006 8:12 AM
> To: mpich
> Subject: [MPICH] MPICH2 and OpenMPI ?
>
> Hi,
>
> I installed MPICH2 1.0.3-1 on two hosts, Windows host and Linux host.
>
> I run correctly my program (a simply helloworld) with Windows as
> master and Linux as slave with smpd daemon. But when I try to use
> Windows as master and Linux with OpenMPI as slave, I have :
>
> C:\mpich2\step2>mpiexec -ssh -np 4 -host development1
> /home/sp/bin/helloworld
> Hello world ! I'm process 0 on development1.backend out of 1
> Hello world ! I'm process 0 on development1.backend out of 1
> Hello world ! I'm process 0 on development1.backend out of 1
> Hello world ! I'm process 0 on development1.backend out of 1
>
> I use OpenSSH with a share public key in each user .ssh
> directory. I can
> connect without prompt.
>
> I don't understand ! An idea ?
>
> Regards
>
> Sam
>
>
>
>
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