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Date: Sat, 25 Jun 2005 16:32:00 -0000
From: Karganov Konstantin <kostik@ispras.ru>
To: Huaer XC <huaer.xc@gmail.com>
cc: gdb@sources.redhat.com
Subject: Re: can I use gdb to dubug MPI run
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> Is it possible that I use gdb to debug a MPI run on 4 processers. I
> can't find any related documents around. Any suggestions? Many thanks.
> 
> Huaer
It depends on which MPI you have.
For MPICH it's surely possible - you can have a gdb on each process and 
switch between processes from your mpirun console.
For details see ch_p4 docs in $MPICH_HOME/doc. 

Best regards,
Konstantin.