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Message-ID: <4dabe2f14c92c6efa01dff0730c9525c@smtp.hushmail.com>
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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