[mpich-discuss] Does MPICH implements polling mechanism on MPI_Recv?

Tue Sep 23 09:49:59 CDT 2014

On 09/23/2014 09:38 AM, Wesley Bland wrote:

> Out of curiosity, what is the issue with using 100% of the CPU? If
> you’re not using it for your application (which it appears that you
> aren’t since you’re calling MPI_Wait), what difference does it make if
> MPI uses all of it?

power consumption, I'd imagine.

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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