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Message-ID: <50730C3D.2030107@gentoo.org>
Date: Mon, 08 Oct 2012 13:24:13 -0400
From: "Rick \"Zero_Chaos\" Farina" <zerochaos@...too.org>
To: john-users@...ts.openwall.com
Subject: Re: CUDA tweaking to your actual GPU
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On 10/08/2012 12:11 PM, Solar Designer wrote:
> On Mon, Oct 08, 2012 at 11:40:40AM -0400, Rick Zero_Chaos Farina wrote:
>> So can we do the same for cuda then?
>
> The same == what? Several things have been mentioned. Anyhow, I and
> others in here understand that distros want to be able to have a single
> mostly-binary build that is near-optimal for a wide range of systems.
> We do have this in mind.
>
>> This is what hashcat does now as well.
>
> As far as I'm aware, hashcat uses precompiled kernels with both OpenCL
> and CUDA - perhaps many for each hash type, yes (for different GPUs).
The most recent builds do something or another which compiles the
kernels at runtime for the proper hardware. I can't say I really
understand how this works but I can tell you the hdd space used went
from ridiculous to sane when he stopped shipping hundreds of precompiled
kernels.
- -Zero
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