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Date: Mon, 16 Jul 2012 14:24:50 +0400
From: Solar Designer <>
Subject: Re: xsha512-cuda & xsha512-opencl testing

On Mon, Jul 16, 2012 at 06:15:44PM +0800, myrice wrote:
> On Mon, Jul 16, 2012 at 5:35 PM, Solar Designer <> wrote:
> > 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.

Things like that do happen.  When power consumption varies a lot,
capacitors, etc. may produce vibrations and thus sound.

> What the sound like?

Just high frequency beeping - sometimes constant, sometimes with
interruptions (I guess depending on what the program does).


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