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Re: [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions
Chronologique Discussions
- From: Samuel Thibault <samuel.thibault@ens-lyon.org>
- To: Marc Sergent <marc.sergent@inria.fr>, starpu-devel@lists.gforge.inria.fr
- Subject: Re: [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions
- Date: Tue, 6 May 2014 14:12:44 +0200
- List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel>
- List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>
Samuel Thibault, le Tue 06 May 2014 14:03:54 +0200, a écrit :
> Now, I guess the actual issue is, as you said, the huge number of tiles
> (450*450, i.e. 202500).
BTW, it seems that registration optimization was not done in MORSE, i.e.
avoid seeing all nodes register all tiles (even if just a NULL pointer).
In the 4 MPI nodes case, that would not improve things much (something
like 1/4), but that will be very useful when scaling with a lof more
nodes.
Samuel
- [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions, Marc Sergent, 06/05/2014
- Re: [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions, Samuel Thibault, 06/05/2014
- Re: [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions, Samuel Thibault, 06/05/2014
- Re: [Starpu-devel] Bug when dealing with a huge number of tiles during distributed executions, Samuel Thibault, 06/05/2014
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