It's probably not the same issue as this is one of the very few codes
that I maintain which is C++ and not fortran :-(
It behaved similarly on another system when I built it against a new
version (1.0??) of MVAPICH. I had to roll back a version from that as well.
I may contact the lammps people and see if they know what's going on as
well.
Jeff F. Pummill
Senior Linux Cluster Administrator
TeraGrid Campus Champion - UofA
University of Arkansas
Fayetteville, Arkansas 72701
(479) 575 - 4590
http://hpc.uark.edu
"In theory, there is no difference between theory and
practice. But in practice, there is!" /-- anonymous/
Jeff Squyres wrote:
Actually, there was a big Fortran bug that crept in after 1.3 that was
just fixed on the trunk last night. If you're using Fortran
applications with some compilers (e.g., Intel), the 1.3.1 nightly
snapshots may have hung in some cases. The problem should be fixed in
tonight's 1.3.1 nightly snapshot.
On Feb 20, 2009, at 12:46 AM, Nysal Jan wrote:
It could be the same bug reported here
http://www.open-mpi.org/community/lists/users/2009/02/8010.php
Can you try a recent snapshot of 1.3.1
(http://www.open-mpi.org/nightly/v1.3/) to verify if this has been fixed
--Nysal
On Thu, 2009-02-19 at 16:09 -0600, Jeff Pummill wrote:
I built a fresh version of lammps v29Jan09 against Open MPI 1.3 which
in turn was built with Gnu compilers v4.2.4 on an Ubuntu 8.04 x86_64
box. This Open MPI build was able to generate usable binaries such as
XHPL and NPB, but the lammps binary it generated was not usable.
I tried it with a couple of different versions of the lammps source,
but to no avail. No errors during the builds and a binary was created,
but when executing the job it quickly exits with no messages other
than:
jpummil@stealth:~$ mpirun -np 4 -hostfile
hosts /home/jpummil/lmp_Stealth-OMPI < in.testbench_small
LAMMPS (22 Jan 2008)
Interestingly, I downloaded Open MPI 1.2.8, built it with the same
configure options I had used with 1.3, and it worked.
I'm getting by fine with 1.2.8. I just wanted to file a possible bug
report on 1.3 and see if others have seen this behavior.
Cheers!
--
Jeff F. Pummill
Senior Linux Cluster Administrator
TeraGrid Campus Champion - UofA
University of Arkansas
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