[mpich-discuss] issue setting process-core mapping with hydra

[Sayantan Sur]

Hi Pavan,

You should be able to 'salloc' them and use them.

On Wed, Nov 10, 2010 at 9:05 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:
>
> On 11/10/2010 08:02 AM, sreeram potluri wrote:
>>
>> I am cc'ing Jonathan in this email. I think he should be able to get you
>> access.
>
> I already have an account. I just need to know if I need to reserve machines
> in some way, or just salloc them and use them.
>
> Btw, it seems to work fine on the login node:
>
> /home/balaji/software/mpich2/mpich2-trunk-r7431
> #wci-login# Wed Nov 10 09:01> ./bin/mpiexec -f ~/hosts -n 2 -binding
> user:0,1 ./examples/cpi
> Process 0 of 2 is on wci-login.cse.ohio-state.edu
> Process 1 of 2 is on wci-login.cse.ohio-state.edu
> pi is approximately 3.1415926544231318, Error is 0.0000000008333387
> wall clock time = 0.001009
>
> /home/balaji/software/mpich2/mpich2-trunk-r7431
> #wci-login# Wed Nov 10 09:04> cat ~/hosts
> wci-login
> 127.0.0.1
>
>  -- Pavan
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
>



-- 
Sayantan Sur

Research Scientist
Department of Computer Science
http://www.cse.ohio-state.edu/~surs