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Subject: Re: [OMPI devel] RFC: Bump minimum sm pool size to 128K from 64K
From: George Bosilca (bosilca_at_[hidden])
Date: 2014-07-26 15:19:40


We are talking MB not KB isn't it?

  George.

On Thu, Jul 24, 2014 at 2:57 PM, Rolf vandeVaart <rvandevaart_at_[hidden]>
wrote:

> WHAT: Bump up the minimum sm pool size to 128K from 64K.
> WHY: When running OSU benchmark on 2 nodes and utilizing a larger
> btl_smcuda_max_send_size, we can run into the case where the free list
> cannot grow. This is not a common case, but it is something that folks
> sometimes experiment with. Also note that this minimum was set back 5
> years ago so it seems that it could be time to bump it up.
> WHEN: Tuesday, July 29, 2014 after weekly concall if there are no
> objections.
>
>
> [rvandevaart_at_ivy0 ompi-trunk-regerror]$ svn diff
> ompi/mca/mpool/sm/mpool_sm_component.c
> Index: ompi/mca/mpool/sm/mpool_sm_component.c
> ===================================================================
> --- ompi/mca/mpool/sm/mpool_sm_component.c (revision 32293)
> +++ ompi/mca/mpool/sm/mpool_sm_component.c (working copy)
> @@ -80,7 +80,7 @@
> }
> };
>
> -static long default_min = 67108864;
> +static long default_min = 134217728;
> static unsigned long long ompi_mpool_sm_min_size;
> static int ompi_mpool_sm_verbose;
>
> [rvandevaart_at_drossetti-ivy0 ompi-trunk-regerror]$
>
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