[Beowulf] Good IB network performance when using 7 cores, poor performance on all 8?
samuel at unimelb.edu.au
Sat Apr 26 19:36:32 PDT 2014
On Thu, 24 Apr 2014 12:24:23 PM Joe Landman wrote:
> Yeah, that was the other thing I'd forgotten about. Might want to tweak
> Cstates to C1. It could be going over-power and throttling. Turn of
> ASPM and other (fairly painful) things.
This Mellanox document has some useful information on that (and other settings
that can affect performance).
Christopher Samuel Senior Systems Administrator
VLSCI - Victorian Life Sciences Computation Initiative
Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
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