Date: Wed, 26 Aug 2015 11:06:17 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: LWS and GWS auto-tuning On Tue, Aug 25, 2015 at 08:36:44PM +0200, magnum wrote: > Worst/best 10 for Tahiti (oldoffice failing): > Ratio: 0.83409 real, 1.02941 virtual salted-sha1-opencl:Many salts This one doesn't auto-tune. Gives same speeds to me. > Ratio: 0.85046 real, 0.85934 virtual sxc-opencl, StarOffice .sxc:Raw > Ratio: 0.90867 real, 0.78394 virtual blockchain-opencl, blockchain My > Wallet:Raw These two don't auto-tune. They use OpenMP. With GOMP_CPU_AFFINITY=0-31, they give stable same speeds to me, regardless of recent changes (obviously). So all of the worst results for Tahiti (10% or greater slowdown seen in magnum's posting) are actually spurious, not regressions of the auto-tuning changes. Alexander
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