Thank you Ralph

Saliya

On Wed, Jul 1, 2015 at 4:01 PM, Ralph Castain <r...@open-mpi.org> wrote:

> Scenario 2: --map-by ppr:12:node,span --bind-to core
>
> will put 12 procs on each node, load balanced across the sockets, each
> proc bound to 1 core
>
> HTH
> Ralph
>
>
> On Wed, Jul 1, 2015 at 2:42 PM, Saliya Ekanayake <esal...@gmail.com>
> wrote:
>
>> Hi,
>>
>> I am doing some benchmarks and would like to test the following two
>> scenarios. Each machine has 4 sockets each with 6 cores (lstopo image
>> attached).
>>
>> Scenario 1
>> ---
>> Run 12 procs per node each bound to 2 cores. I can do this by --map-by
>> socket:PE=2
>>
>> Scenario 2
>> Run 12 procs per node each bound to just 1 core. This is what I don't
>> know how to do, because if I do --map-by socket:PE=1 then mpirun will put
>> more than 12 procs per node as it can do so.
>>
>> I'd appreciate any help on this.
>>
>> Thank you,
>> Saliya
>>
>> --
>> Saliya Ekanayake
>> Ph.D. Candidate | Research Assistant
>> School of Informatics and Computing | Digital Science Center
>> Indiana University, Bloomington
>> Cell 812-391-4914
>> http://saliya.org
>>
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>>
>
>
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>



-- 
Saliya Ekanayake
Ph.D. Candidate | Research Assistant
School of Informatics and Computing | Digital Science Center
Indiana University, Bloomington
Cell 812-391-4914
http://saliya.org

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