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Subject: Re: [OMPI users] How does OpenMPI decided to use which algorithm inMPI_Bcast????????????????
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-09-17 10:13:01


Search through the mailing list archives -- this question has been
discussed a few times.

On Sep 3, 2009, at 2:03 AM, shan axida wrote:

> Hi,
> I had a glance at OpenMPI source codes and there are several
> algorithms for MPI_Bcast function.
> My question is how is the algorithm decided to use in a given
> MPI_Bcast call? message size?
> Anyone give me little detailed information for this question?
>
> Thanks a lot.
>
> Axida
>
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-- 
Jeff Squyres
jsquyres_at_[hidden]