Re: [Starpu-devel] [Morse-devel] MPI tags limitation with Starpu

[Sameh Abdulah <sameh.abdulah@kaust.edu.sa>]

Great! thank you Mathieu. I am waiting your patch.

--Sameh

On Tue, Feb 21, 2017 at 1:45 PM, Sameh Abdulah <sameh.abdulah@kaust.edu.sa> wrote:

@Mathieu. I have already created my descriptor once and I reuse it but I have 5 different descriptors which means that I will need 3 bits for this. Moreover, I am targeting bigger matrix size and the case now is too tight.

@Samuel  but Chameleon checks for this and generates an error message so I cannot escape this.

--Sameh

On Tue, Feb 21, 2017 at 1:35 PM, Samuel Thibault <samuel.thibault@inria.fr> wrote:

Sameh Abdulah, on mar. 21 févr. 2017 13:28:16 +0300, wrote:
> I check our system and I found that we rely on cray mpich and this gives me
> only 21 bits not 31 bits for tag width.

With StarPU 1.2 this is really not a problem, since StarPU handles tags
itself, it uses only a couple MPI tags.

Samuel

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