Date: Thu, 27 Aug 2015 13:35:24 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: LWS and GWS auto-tuning On Thu, Aug 27, 2015 at 01:37:17AM +0200, magnum wrote: > 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. Weird. Should we revert making GOMP_SPINCOUNT=10000 the default, or adjust the number? > 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. Sounds good. Alexander
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.