[mvapich-discuss] (no subject)

[Hari Subramoni]

Hello Prasad,

It could be due to oversubscription of processes i.e multiple processes
getting bound to the same CPU core. Can you please run your program after
setting MV2_SHOW_CPU_BINDING=1 and see how the process mapping is happening?

Regards,
Hari.

On Mon, Jun 8, 2015 at 12:12 PM, Prasad Maddumage <MHEMANTHA at fsu.edu> wrote:

> X-MS-Exchange-Transport-CrossTenantHeader
> Hi,
>
> I have installed mvapich2 latest version and getting 50% CPU
> utilization. This is on a test cluster with no other jobs running. We
> have hwloc 1.10 already installed and I did not make any changes to the
> hwloc 1.9 came with mvapich2. Could this be a problem? Is it possible to
> configure mvapich2 with (already available) hwloc 1.10?
>
> Thank you
> Prasad Maddumage
>
> --
> Prasad Maddumage
> Application Specialist, Research Computing Center
> 150F, Dirac Science Library, Florida State University
> Tallahassee Fl 32306-4120
>
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