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Date: Mon, 25 Jun 2012 17:06:52 +0400
From: Aleksey Cherepanov <aleksey.4erepanov@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: possibility of low-level optimization for GPU, IL
usage (was: Off-topic)
On Sun, Jun 24, 2012 at 06:15:15PM -0300, Claudio André wrote:
> JtR target is the best performance, so, it means experiment with IL.
> It is not my king of pleasure programming to low level, hope it is
> yours. Of course, i agree that you can get the best possible results
> if you change/develop your IL, ISA or PTX code. But it is something
> i 'm not interested because:
> 1. lock in.
> 2. it is much, much, i really mean much, harder.
> 3. AMD software is weak [2][3] (but i suppose it is not going to
> stay this way for ever).
> 4. NVIDIA software is not perfect [4] (but it is improving).
Maybe I miss something because I am not in topic. For improving IL
code I'd propose to tweak opensource opencl compiler - Portable OpenCL:
https://launchpad.net/pocl/
Regards,
Aleksey Cherepanov
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