[mpich-discuss] Hydra binding

[Pavan Balaji]

Hi Rohit,

On 07/18/2011 07:10 PM, Jain, Rohit wrote:
> 1)If I don’t specify any –binding option, does hydra runs application
> without setting any core affinity or with default core binding?
>
> mpiexec -f hosts -n 8 ./app

It'll not bind the processes by default.

> 2)What are supported platforms? Are various binding options (cpu,
> socket, cache, rr etc) supported on various architectures of Intel and
> AMD processors?
>
> “On supported platforms, Hydra automatically configures available
> process-core binding capability (currently using PLPA or hwloc).”

It should work on most platforms and OSes.

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji