Date: Wed, 26 Aug 2015 09:22:02 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: 7z-opencl crashes with auto-tuning On Tue, Aug 25, 2015 at 04:08:09PM +0200, magnum wrote: > Long ago, we did: > > 1. tune LWS using some arbitrary GWS > 2. tune GWS using LWS from 1 > > This was never very good so we changed it a year ago or more to: > > 1. tune GWS using LWS=NULL > 2. tune LWS using GWS from 1 > > And now you added a third step, which obviously can make quite some > difference for some formats: > > 3. re-tune GWS using LWS from 2 I think step 2 (tune LWS) was missing for a while before my changes. The LWS tuning code was in there, but it was dead code. Alexander
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