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Date: Mon, 16 Jul 2012 18:15:44 +0800
From: myrice <>
Subject: Re: xsha512-cuda & xsha512-opencl testing

On Mon, Jul 16, 2012 at 5:35 PM, Solar Designer <> wrote:
> myrice -
> On Mon, Jul 16, 2012 at 04:10:01PM +0800, myrice wrote:
>> Unfortunately, after lukas's work on bull, I cannot run my cuda format on it...
> It's weird, mscash2-cuda worked, but xsha512-cuda did not.  I've just
> rebooted bull, and xsha512-cuda works now.
> BTW, xsha512-cuda produces nasty sound at maybe 5 KHz or so - is this
> the frequency of PCIe transfers or global memory accesses or something
> like that?

Sound?? You hear that from PC beeper or audio output? It is weird and
should not happen. What the sound like?

>> This is result under xsha512-opencl with incremental mode.
> Which incremental mode, exactly?  This matters.  If the incremental mode
> is not locked to a specific password length (e.g., just length 8), then
> there's some overhead early on to switch between lengths.  For quick
> runs (like a few minutes), this overhead is significant.  So you should
> be using -i=all8 (locked to length 8 only).  Is this what you used?

Yes, I use -i=All8. Sorry for leaking that.


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