[mvapich-discuss] Re: Architecture compatibility -- looks like
Intel mkl Blacs_GridExit bug
amith rajith mamidala
mamidala at cse.ohio-state.edu
Sun Apr 20 20:35:08 EDT 2008
Hi Laurence,
I might have missed this.. Which version of mvapich did you try? We had a
bug while running scalapack and we applied a patch for it in the latest
trunk. Please let us know..
Thanks,
Amith
On Sun, 20 Apr 2008, Laurence Marks wrote:
> mpirun_rsh -np 4 -hostfile .machine1 VIADEV_USE_SHMEM_COLL=0 ./exec works.
>
> Can you expand a little, since I have no idea what this is doing. For
> instance does it suggest that something is not appropriate in how OFED
> is installed, mvapich being compiled by icc, Intel's scalapack, or all
> (or none) of the above?
>
>
> On Sun, Apr 20, 2008 at 2:05 PM, Matthew Koop <koop at cse.ohio-state.edu> wrote:
> > Laurence,
> >
> > Just to try to narrow this down, can you try running with
> > VIADEV_USE_SHMEM_COLL=0 ?
> >
> > e.g.
> > mpirun_rsh -np 4 -hostfile ./h VIADEV_USE_SHMEM_COLL=0 ./exec
> >
> > Matt
> >
> >
> >
> > On Sun, 20 Apr 2008, Laurence Marks wrote:
> >
> > > By replacing the Intel scalapack calls by scalapack version 1.7 I
> > > managed to trace the problem to the call from pdstebz to
> > > BLACS_GRIDEXIT; if I comment out this line (at the bottom of pdstebz)
> > > everything works fine.
> > >
> > > I'm not sure if this is a mvapich issue, maybe someone can tell me.
> > >
> > >
> > > --
> > > Laurence Marks
> > > Department of Materials Science and Engineering
> > > MSE Rm 2036 Cook Hall
> > > 2220 N Campus Drive
> > > Northwestern University
> > > Evanston, IL 60208, USA
> > > Tel: (847) 491-3996 Fax: (847) 491-7820
> > > email: L-marks at northwestern dot edu
> > > Web: www.numis.northwestern.edu
> > > Commission on Electron Diffraction of IUCR
> > > www.numis.northwestern.edu/IUCR_CED
> > >
> >
> >
>
>
>
> --
> Laurence Marks
> Department of Materials Science and Engineering
> MSE Rm 2036 Cook Hall
> 2220 N Campus Drive
> Northwestern University
> Evanston, IL 60208, USA
> Tel: (847) 491-3996 Fax: (847) 491-7820
> email: L-marks at northwestern dot edu
> Web: www.numis.northwestern.edu
> Commission on Electron Diffraction of IUCR
> www.numis.northwestern.edu/IUCR_CED
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