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You can avoid the "library confusion problem" by building 64 bit and 32 bit
version of openMPI in two different directories and then use mpi-selector
(on your head and compute nodes) to switch between the two.
Just my $0.02
From: users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] On
Behalf Of Jeff Squyres
Sent: Friday, July 24, 2009 7:22 AM
To: Open MPI Users
Subject: Re: [OMPI users] Open MPI:Problem with 64-bit openMPIandintel
On Jul 23, 2009, at 11:14 PM, Ralph Castain wrote:
> 3. get a multi-node allocation and run "pbsdsh echo $LD_LIBRARY_PATH"
> and see what libs you are defaulting to on the other nodes.
Be careful with this one; you want to ensure that your local shell
doesn't expand $LD_LIBRARY_PATH and simply display the same value on
all nodes. It might be easiest to write a 2 line script and run that:
$ cat myscript
echo LD_LIB_PATH on `hostname` is: $LD_LIBRARY_PATH
$ chmod +x myscript
$ pdsh myscript
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