[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: sgi

On Wed, 2005-10-19 at 18:35 +0000, Konstantinos P wrote:
> Adam C Powell IV wrote:
> >Indeed, PVM can also run a single parallel job across a heterogeneous
> >cluster.  But I know that mpich can't do that for MPI parallel jobs
> >(http://bugs.debian.org/31779), and I don't believe lam can either.
> >  
> >
> I have never use MPI in heterogeneous clusters, but what about
> specifying the architecture
> using the arch argument of mpiexec?
> The mpiexec manual page in the LAM MPI distribution says that the user
> can specify
> the architecture using this argument.
> If you use LAM you can check your architecture string with laminfo. For
> example in my computer
> this returns i386-pc-linux-gnu. In case of SGI wouldn't this return
> something like mips-sgi-linux-gnu?
> If this is true would still be a problem to use MPI in a heterogeneous
> cluster?

Sounds like I stand corrected regarding LAM.  But MPICH does not have
mpiexec, though mpich2 does (not yet a Debian package), so I don't think
mpich can do this.

GPG fingerprint: D54D 1AEE B11C CE9B A02B  C5DD 526F 01E8 564E E4B6

Welcome to the best software in the world today cafe!

Reply to: