On 02/09/2020 23:28, Andrew Beattie wrote:
Giovanni, I have clients in Australia that are running AMD ROME
processors in their Visualisation nodes connected to scale 5.0.4
clusters with no issues. Spectrum Scale doesn't differentiate between
x86 processor technologies -- it only looks at x86_64 (OS support
more than anything else)

While true bear in mind their are limits on the number of cores that it might be quite easy to pass on a high end multi CPU AMD machine :-)

See question 5.3

https://www.ibm.com/support/knowledgecenter/STXKQY/gpfsclustersfaq.pdf

192 is the largest tested limit for the number of cores and there is a hard limit at 1536 cores.

From memory these limits are lower in older versions of GPFS.So I think the "tested" limit in 4.2 is 64 cores from memory (or was at the time of release), but works just fine on 80 cores as far as I can tell.

JAB.

--
Jonathan A. Buzzard                         Tel: +44141-5483420
HPC System Administrator, ARCHIE-WeSt.
University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
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