Objet : Developers list for StarPU
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- From: Samuel Thibault <samuel.thibault@inria.fr>
- To: Jan Polák <456647@mail.muni.cz>
- Cc: starpu-devel@lists.gforge.inria.fr
- Subject: Re: [Starpu-devel] Question: STARPU_SPMD and buffer sharing
- Date: Wed, 24 Jul 2019 17:09:03 +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>
- Organization: I am not organized
Hello,
Jan Polák, le lun. 22 juil. 2019 14:53:59 +0200, a ecrit:
> 1. Does starpu_codelet_type (STARPU_SPMD in particular) apply to non-CPU
> tasks
> as well?
No, it's only implemented for CPUs.
> By the way, there seems to be a minor mistake in the documentation of
> starpu_combined_worker_get_rank(), which claims that it is useful only in
> FORKJOIN parallel tasks, but full documentation mentions this procedure
> only in
> relation to SPMD.
Indeed, I have now fixed it.
> 2. Is there a way to allow multiple tasks to concurrently read/write to the
> same buffer?
We haven't implemented that yet.
> Is there currently a way to achieve this behavior? And if not, could you
> please provide some hints on how to implement this?
Well, it's not only "hints", but a fairly large understanding of how
data buffers are managed in StarPU :/
Samuel
- [Starpu-devel] Question: STARPU_SPMD and buffer sharing, Jan Polák, 22/07/2019
- Re: [Starpu-devel] Question: STARPU_SPMD and buffer sharing, Samuel Thibault, 24/07/2019
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