[gmx-developers] KNL usage and mcdram
ake.sandgren at hpc2n.umu.se
Fri Sep 22 12:22:36 CEST 2017
Ok, so gromacs doesn't explicitly use mcdram at least.
On 09/22/2017 11:44 AM, Berk Hess wrote:
> 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:
>> 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.
Ake Sandgren, HPC2N, Umea University, S-90187 Umea, Sweden
Internet: ake at hpc2n.umu.se Phone: +46 90 7866134 Fax: +46 90-580 14
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