[yt-users] creating projections on Ranger

[Britton Smith]

I've been seeing this behavior recently as well running with openmpi on my
laptop.  Something may have crept into the halo profiler projection
machinery.  I'll have a look at this.

Britton

On Tue, Jan 25, 2011 at 11:05 AM, John Wise <jwise at astro.princeton.edu>wrote:

> Hi Eric,
>
> I've seen something like this, using SGI's MPI implementation (mpt), when
> making projections.  Do you see all of the processors reaching the point of
> writing the image? If not, something's hanging one of the processors.  In my
> experience, I sometimes have to call MPI_Finalize() at the end of my script,
> e.g.,
>
> from mpi4py import MPI
> .
> .
> .
> MPI.Finalize()
>
> But I've found that you don't have to do this if you compiled mpi4py with
> OpenMPI or MVAPICH.  I'm not sure if this is your problem, but I wanted to
> throw this out there.
>
> John
>
> On 25 Jan 2011, at 10:37, Eric Hallman wrote:
>
> > Hello,
> >  I am wondering if anyone else sees behavior like the following:
> >
> > I run the halo profiler on TACC ranger, and do Hop, radial profiles and
> projections of all the halos. When running in the queue in parallel,
> everything appears to run normally, but none of the projection outputs
> appear in the projections directory.  If I then run in serial
> (interactively) the same routine, all the projections are generated as
> normal in the correct directory.  This happens however I do the parallel
> run.  Really I'm only running the parallel version for hop in any case.  I
> have not yet tested whether running in serial on one node of ranger gives
> the same issue.
> >
> > I thought I would check and see if this is a known issue.
> >
> > Thanks.
> >
> >
> > Eric Hallman
> > Google Voice: (774) 469-0278 <tel:+17744690278>
> > hallman13 at gmail.com
> >
> >
> >
> >
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