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Date: Sun, 22 Apr 2012 02:23:14 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: New RAR OpenCL kernel
On 04/22/2012 12:37 AM, Claudio André wrote:
> Em 21-04-2012 13:47, magnum escreveu:
>> Please test and report. I actually haven't tested it on any GPU yet.
> ----
>
> OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
> Using device 0: Juniper
>
> Calculating best keys per crypt for LWS 128, this will take a while
> kpc 128 21 c/s 1978473 sha1/s 6.092 sec per crypt_all()
This is similar to what I get on a mobile E2 "Loveland" GPU. Are the
GPU's this slow, or do I have a major problem? This is about half the
speed of one CPU core. I do get warnings about register spill on that
one though.
> Max is 128:
> Calculating best keys per crypt for LWS 256, this will take a while
> Error: CL_MEM_OBJECT_ALLOCATION_FAILURE
I have committed a fix that adds a check for amount of local memory,
similar to what you did in cryptsha512. It also contains lots of more
optimisations.
Thanks!
magnum
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