[gmx-developers] KNL usage and mcdram

Berk Hess hess at kth.se
Fri Sep 22 11:44:49 CEST 2017


GROMACS simulations will usually completely fit in MCDRAM. So cache 
configuration should be ok. I don't recall if there is some small 
overhead to cache mode, in which case it would be better to use MCDRAM 
as (the only) memory.



On 22/09/17 10:28 , Åke Sandgren wrote:
> Hi!
> Quick question, does gromacs currently take advantage of explicit use of
> mcdram on KNL nodes?
> I.e., when it's not configure as cache that is.
> Didn't see anything obvious during confiugure.

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