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Subject: Re: [OMPI devel] Simple program (103 lines) makes Open-1.4.3 hang
From: Sébastien Boisvert (Sebastien.Boisvert.3_at_[hidden])
Date: 2010-11-23 23:20:44


Thank you !

Your support is outstanding !

Le mardi 23 novembre 2010 à 22:25 -0500, Eugene Loh a écrit :
> Jeff Squyres (jsquyres) wrote:
>
> >Ya, it sounds like we should fix this eager limit help text so that others aren't misled. We did say "attempt", but that's probably a bit too subtle.
> >
> >Eugene - iirc: this is in the btl base (or some other central location) because it's shared between all btls.
> >
> >
> The cited text was from the OMPI FAQ ("Tuning" / "sm" section, item 6).
> I made the change in r1309.
>
> In ompi/mca/btl/base/btl_base_mca.c, I added the phrase "including
> header" to both
>
> "rndv_eager_limit"
> "Size (in bytes, including header) of \"phase 1\" fragment sent for all
> large messages (must be >= 0 and <= eager_limit)"
> module->btl_rndv_eager_limit
>
> and
>
> "eager_limit"
> "Maximum size (in bytes, including header) of \"short\" messages (must
> be >= 1)."
> module->btl_eager_limit
>
> but I left
>
> "max_send_size"
> "Maximum size (in bytes) of a single \"phase 2\" fragment of a long
> message when using the pipeline protocol (must be >= 1)"
> module->btl_max_send_size
>
> alone (for some combination of lukewarm reasons). Changes are in r24085.
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-- 
M. Sébastien Boisvert
Étudiant au doctorat en physiologie-endocrinologie à l'Université Laval
Boursier des Instituts de recherche en santé du Canada
Équipe du Professeur Jacques Corbeil
Centre de recherche en infectiologie de l'Université Laval
Local R-61B
2705, boulevard Laurier
Québec, Québec
Canada G1V 4G2
Téléphone: 418 525 4444 46342
Courriel: SEB_at_[hidden]
Web: http://boisvert.info
"Innovation comes only from an assault on the unknown" -Sydney Brenner