[mpich-discuss] Is KNEM used for 1-sided comm?

[Balaji, Pavan]

I don’t think we ever investigated KNEM with one-sided communication.

  — Pavan

On Mar 25, 2014, at 12:27 PM, Velickovic Nikola <nikola.velickovic at epfl.ch> wrote:

> Hello,
> 
> I am using MPICH 3.0.4 with asynchronous progress enabled along with KNEM module on my system.
> I have a DMA unit available and it is properly used by KNEM.
> When I try a benchmark using non-blocking comm. there is computation-communication overlap, but when I try the same using 1-sided communication there is no overlap.
> It seems like MPICH is not using KNEM for 1-sided comm.
> 
> Do you have any idea why this might be?
> 
> Best,
> Nikola
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