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Message-ID: <c7863383a8e87b69f14e84a82b5235b9@smtp.hushmail.com>
Date: Fri, 3 May 2013 15:47:13 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: OpenCL formats lacking auto-tuning
On 3 May, 2013, at 15:33 , Claudio André <claudioandre.br@...il.com> wrote:
> 2013/5/3 magnum <john.magnum@...hmail.com>
> On 3 May, 2013, at 5:39 , Solar Designer <solar@...nwall.com> wrote:
> > I am bringing this to the list. Many of our OpenCL formats, in
> > particular those by Lukas and/or Dhiru - including at least
> > agilekeychain-opencl, keychain-opencl, zip-opencl - lack LWS/GWS
> > auto-tuning, and indeed the defaults result in poor performance at
> > least on 7970.
>
> I think they all do LWS tuning, using Lukas' shared function. Claudio did some good work with shared functions for GWS tuning.
>
> BTW: this shared GWS function is only on bleeding.
True. But I think we should release unstable pretty much as-is, and make any enhancement of this caliber to bleeding-only anyway.
magnum
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