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Date: Thu, 16 Aug 2012 21:39:01 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: OpenCL implementation of GPG format
On 2012-08-15 05:10, Dhiru Kholia wrote:
> On Wed, Aug 15, 2012 at 2:07 AM, magnum <john.magnum@...hmail.com> wrote:
>> On 2012-08-14 18:25, Dhiru Kholia wrote:
>>> I have written an OpenCL implementation of GPG format. Currently, the
>>> speedup is very low (9x). The compiler complains about register
>>> spilling. According to http://dl.acm.org/citation.cfm?id=2039822
>>> speedups upto 100x can be achieved.
>>
>> Cool. Have you tried it on bull? Maybe its cards have register files
>> large enough. Feel free to commit it to magnum-jumbo for easy testing.
>
> Code has been committed to magnum-jumbo. Benchmarks from bull system,
Thanks, but you should have made the format struct version-independent
like repeatedly discussed here. Anyway, it's fixed now.
magnum
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