Date: Thu, 27 Aug 2015 01:37:17 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: LWS and GWS auto-tuning On 2015-08-26 09:52, Solar Designer wrote: > I've just added "export GOMP_SPINCOUNT=10000" to /etc/profile.d/local.sh > on super, which isn't nearly as good, but doesn't have the bad > side-effects for the scenarios I mentioned above. It should greatly > reduce the fluctuation of OpenMP benchmarks most of the time. I could not get DMG-opencl to benchmark after this (I assume that was the reason). It was hanging indefinitely (hours) in CPU post-processing. I now set affinity 0-31 and all was fine again. BTW I have changed all formats to skip CPU post-processing during auto-tune. There are cons but, I think, mainly pros. magnum
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