Yeah, it says 4. I think I will try to parallelize my code with MPI to get
better performance.


On Thu, Aug 28, 2014 at 9:10 PM, Roy Stogner <[email protected]>
wrote:

>
>
> On Thu, 28 Aug 2014, Miguel Angel Salazar de Troya wrote:
>
>  How can I give one MPI rank per shared-memory system in my own
>> computer? I thought that running the program in serial with the
>> option "--n_threads=4" would work, but it doesn't seem so.
>>
>
> On a single computer, no clustering, that should have been sufficient.
>
> Do you have a mesh.print_info() in your app, and if so what does it
> say n_threads is?
>
> If it says n_threads is 1, is it possible that you configured without
> TBB installed?
>
>
>  It might be that the rest of my code that is not "threaded" is too
>> slow.
>>
>
> Yes, or it might be possible that the unthreaded parts of our code are
> too slow.  Getting the algebraic solver to run multithreaded is
> tricky, and in a lot of codes the solve is the expensive part.
> ---
> Roy




-- 
*Miguel Angel Salazar de Troya*
Graduate Research Assistant
Department of Mechanical Science and Engineering
University of Illinois at Urbana-Champaign
(217) 550-2360
[email protected]
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