You also specified CPU.

“TThrottle is also a poor solution to CPU temperature control, for the same 
reasons. It's better to adjust the number of cores to crunch on, the CPU's 
clock speeds and Voltages.”

From: S Ross [mailto:[email protected]]
Sent: Thursday, January 17, 2013 9:22 AM
To: McLeod, John; Ed A; Charles Elliott
Cc: BOINC Developers Mailing List; BOINC Alpha list
Subject: Re: [boinc_alpha] [boinc_dev] "anonymous GPU" feature

That's why I said GPU.
However, even CPU tasks would resume from their last checkpoint if LAIM is off.

________________________________
From: "McLeod, John" <[email protected]<mailto:[email protected]>>
To: S Ross <[email protected]<mailto:[email protected]>>; Ed A 
<[email protected]<mailto:[email protected]>>; Charles Elliott 
<[email protected]<mailto:[email protected]>>
Cc: BOINC Developers Mailing List 
<[email protected]<mailto:[email protected]>>; BOINC Alpha 
list <[email protected]<mailto:[email protected]>>
Sent: Thursday, 17 January 2013, 13:59
Subject: RE: [boinc_alpha] [boinc_dev] "anonymous GPU" feature

TT Throttle for CPU does NOT reset to the last checkpoint as the tasks stay in 
memory.

-----Original Message-----
From: 
[email protected]<mailto:[email protected]>
 
[mailto:[email protected]<mailto:[email protected]>]
 On Behalf Of S Ross
Sent: Thursday, January 17, 2013 8:57 AM
To: Ed A; Charles Elliott
Cc: BOINC Developers Mailing List; BOINC Alpha list
Subject: Re: [boinc_alpha] [boinc_dev] "anonymous GPU" feature

Using a throttling tool is the wrong solution.

You can better control the GPU's temperature using tools such as EVGA Precision 
or MSI Afterburner.


On-off, on-off GPU crunching is Extremely Bad for performance; tasks revert to 
their last checkpoint and the GPU clock will be increased and decreased 
repeatedly (unless is stalls).

If projects run too hot, increase the fan speed, reduce the Memory frequency, 
downclock the GPU and/or the CPU.
You can even under Volt the CPU and GPU.

TThrottle is also a poor solution to CPU temperature control, for the same 
reasons. It's better to adjust the number of cores to crunch on, the CPU's 
clock speeds and Voltages.

Adding a case fan or two might also help!


________________________________
From: Ed A <[email protected]<mailto:[email protected]>>
To: Charles Elliott <[email protected]<mailto:[email protected]>>
Cc: BOINC Developers Mailing List 
<[email protected]<mailto:[email protected]>>; BOINC Alpha 
list <[email protected]<mailto:[email protected]>>
Sent: Sunday, 13 January 2013, 17:53
Subject: Re: [boinc_alpha] [boinc_dev]  "anonymous GPU" feature

> One of the best ways to control GPU temperature is by using Nvidia's
Performance tool

TThrottle by eFMer controls CPUs,  ATI/AMD & NVIDIA GPUs quite effectively.
Individual temps are set for CPU and GPU(s) and the control works well.

Regards/Ed




On Sun, Jan 13, 2013 at 11:48 AM, Charles Elliott 
<[email protected]<mailto:[email protected]>>wrote:

> One of the best ways to control GPU temperature is by using Nvidia's
> Performance tool, setting up rules that control fan speed according to GPU
> temperature.  Previous version of Performance did not work too well, but
> the latest on Nvidia's website is working well for me.  Even now,
> counter-intuitively, one has to move the "Cooling" switch from "Automatic"
> to "Manual" in the Device Settings tab to engage Performance.  I know this
> isn't Boinc's job, but if somewhere in the Boinc documentation it was
> written that the (latest version of) Performance tool could be used to
> control GPU temperature, if might save someone a lot of money.
>
> Charles Elliott
>
>
> > -----Original Message-----
> > From: 
> > [email protected]<mailto:[email protected]>
> >  [mailto:boinc_dev-
> > [email protected]<mailto:[email protected]>] On Behalf Of 
> > Raistmer the Sorcerer
> > Sent: Saturday, January 12, 2013 3:44 PM
> > To: Nikolay Saharov
> > Cc: BOINC Developers Mailing List; BOINC Alpha list
> > Subject: Re: [boinc_dev] [boinc_alpha] "anonymous GPU" feature
> >
> >  GPU app uses CPU inevitably, at least a little.
> > If CPU throttling will apply to GPU apps it will decrease GPU
> > performance. Surely separate option for GPU throttling required.
> > Sometimes one need to cool CPU, sometimes - GPU.
> >
> >
> > Воскресенье, 13 января 2013, 0:39 +04:00 от Nikolay Saharov
> > <[email protected]<mailto:[email protected]>>:
> > >Hello,
> > >
> > >Can you please separate CPU and GPU  throttling settings?
> > >
> > >Some projects has GPU apps which uses 99-100% of GPU power so the
> > whole system is unresponsive.
> > >
> > >--
> > >Nikolay
> > >----------------------------------------------------------------------
> > >
> > >I checked in a change so that CPU throttling applies to GPU apps also.
> > >Can anyone think of a reason not to do this?
> > >-- David
> > >
> > >On 11-Jan-2013 11:42 PM, Admin Team "St.Petersburg" wrote:
> > >> And here's another. In the client, the CPU has the ability to change
> > power
> > >> steering, and the GPU can not. To do.
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