Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-27 Thread Jeff Squyres (jsquyres)
n-mpi.org] On Behalf Of Gilles Gouaillardet Sent: Tuesday, May 26, 2015 10:08 PM To: Open MPI Users Subject: Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more First you can run mpirun -machinefile ~/machinefile

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-27 Thread Heerdt, Lanze M.
live saver. -Lanze From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Gilles Gouaillardet Sent: Tuesday, May 26, 2015 10:08 PM To: Open MPI Users Subject: Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Jeff Squyres (jsquyres)
t; Gouaillardet > Sent: Tuesday, May 26, 2015 8:14 PM > To: Open MPI Users > Subject: Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is > somehow not configured properly since it work with 1 node but not more > > > > At first glance, it seems all mpi tasks be

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Gilles Gouaillardet
entry *From:*users [mailto:users-boun...@open-mpi.org] *On Behalf Of *Gilles Gouaillardet *Sent:* Tuesday, May 26, 2015 8:14 PM *To:* Open MPI Users *Subject:* Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Heerdt, Lanze M.
pen-mpi.org] On Behalf Of Gilles Gouaillardet Sent: Tuesday, May 26, 2015 8:14 PM To: Open MPI Users Subject: Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more At first glance, it seems all mpi tasks believe th

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Gilles Gouaillardet
At first glance, it seems all mpi tasks believe they are rank zero and comm world size is 1 (!) Did you compile xhpl with OpenMPI (and not a stub library for serial version only) ? can you make sure there is nothing wrong with your LD_LIBRARY_PATH and you do not mix MPI librairies (e.g. OpenM

Re: [OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Ralph Castain
I don't know enough about HPL to resolve the problem. However, I would suggest that you first just try to run the example programs in the examples directory to ensure you have everything working. If they work, then the problem is clearly in the HPL arena. I do note that your image reports that you

[OMPI users] Running HPL on RPi cluster, seems like MPI is somehow not configured properly since it work with 1 node but not more

2015-05-26 Thread Heerdt, Lanze M.
I realize this may be a bit off topic, but since what I am doing seems to be a pretty commonly done thing I am hoping to find someone who has done it before/can help since I've been at my wits end for so long they are calling me Mr. Whittaker. I am trying to run HPL on a Raspberry Pi cluster. I