Re-sending to the users list, just in case there's some people here on the
users list who aren't on the announce list.
Begin forwarded message:
> From: "Jeff Squyres (jsquyres)"
> Subject: [Open MPI Announce] Open MPI at SC14
> Date: October 28, 2014 at 9:34:19 AM EDT
> To: Open MPI Announceme
Which version of OMPI were you testing?
> On Nov 3, 2014, at 9:14 AM, Steven Eliuk wrote:
>
> Hello,
>
> We were using OpenMPI for some testing, everything works fine but randomly,
> MPI_Ibcast()
> takes long time to finish. We have a standalone program just to test it. The
> following
> is
Hello,
We were using OpenMPI for some testing, everything works fine but randomly,
MPI_Ibcast()
takes long time to finish. We have a standalone program just to test it. The
following
is the profiling results of the simple test program on our cluster:
Ibcast 604 mb takes 103 ms
Ibcast 608 mb ta
Mark Dixon writes:
> Hi there,
>
> We've started looking at moving to the openmpi 1.8 branch from 1.6 on
> our CentOS6/Son of Grid Engine cluster and noticed an unexpected
> difference when binding multiple cores to each rank.
>
> Has openmpi's definition 'slot' changed between 1.6 and 1.8?
You
> On Nov 3, 2014, at 4:54 AM, Mark Dixon wrote:
>
> Hi there,
>
> We've started looking at moving to the openmpi 1.8 branch from 1.6 on our
> CentOS6/Son of Grid Engine cluster and noticed an unexpected difference when
> binding multiple cores to each rank.
>
> Has openmpi's definition 'slot
Hi there,
We've started looking at moving to the openmpi 1.8 branch from 1.6 on our
CentOS6/Son of Grid Engine cluster and noticed an unexpected difference
when binding multiple cores to each rank.
Has openmpi's definition 'slot' changed between 1.6 and 1.8? It used to
mean ranks, but now it
