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marvin00

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Message 42394 - Posted: 27 Sep 2010, 11:39:11 UTC

Is it possible to regulate the amount of GPU usage similar to that of the CPU? ie. 50%
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Len LE/GE

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Message 42397 - Posted: 27 Sep 2010, 16:00:41 UTC

app_info.xml is what you are looking for.
The optimized ATI apps (= same as the regular ATI apps) have an example for it and a readme where it's described how to set it up and what params to use to slow down gpu crunching to get some gpu power back for something else.
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Rev

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Message 42486 - Posted: 30 Sep 2010, 23:03:13 UTC - in response to Message 42397.  

I just installed on Boinc Manager on my PC. However it's running 100% on both my GPU devices (ATI 5980), this is causing the temperature of the card to go sky high and fans to come on etc. Unless ye can put in a fix I'm going to have to remove the milkyway@home altogether :(
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Rev

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Message 42487 - Posted: 30 Sep 2010, 23:04:34 UTC - in response to Message 42486.  

p.s. i'm a noob at this Boinc (but not at computers) ... but still don't follow what you mean about app_info.xml either. Pls explain.
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Yakk

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Message 42492 - Posted: 1 Oct 2010, 3:00:49 UTC - in response to Message 42486.  

I just installed on Boinc Manager on my PC. However it's running 100% on both my GPU devices (ATI 5980), this is causing the temperature of the card to go sky high and fans to come on etc. Unless ye can put in a fix I'm going to have to remove the milkyway@home altogether :(


Try using the AMD GPU Clock Tool to lower your memory setting to 300mhz. MW only uses the core clock. It reduces the temps on my overclocked 5870 by almost 10 C.

Doing that and having a custom fan profile keeps my GPU at +/- 66 C.

M.
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Len LE/GE

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Message 42499 - Posted: 2 Oct 2010, 0:12:04 UTC

If you only use your gpus to run milkyway or dnetc, you can do like Yakk suggested and save a lot of power (and heat, from gpu memory).

The app_info.xml is used to run optimized applications with the anonymous platform mechanism. Here the official and the optimized gpu app are the same; still you can use this mechanism to use command line parameters for the app.
Have a look here: http://www.arkayn.us/milkyway/index.html
There is an optimized version for your T5600 too.
For your i7 use this one http://www.arkayn.us/milkyway/Win64_0.23_ati.zip
The included install and readme files should explain how to use it.
The w param can be used to throttle the GPU; it will crunch little slower while becoming more responsible again and producing less heat (on the gpu core). That's why I suggested it to marvin to 'regulate the amount of gpu usage'.
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DanNeely

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Message 42504 - Posted: 2 Oct 2010, 16:44:16 UTC - in response to Message 42492.  

I just installed on Boinc Manager on my PC. However it's running 100% on both my GPU devices (ATI 5980), this is causing the temperature of the card to go sky high and fans to come on etc. Unless ye can put in a fix I'm going to have to remove the milkyway@home altogether :(


Try using the AMD GPU Clock Tool to lower your memory setting to 300mhz. MW only uses the core clock. It reduces the temps on my overclocked 5870 by almost 10 C.

Doing that and having a custom fan profile keeps my GPU at +/- 66 C.

M.


If I throttled the memory speed like this would I then have to manually kick it up again when I want to game on the card?
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DanNeely

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Message 42505 - Posted: 2 Oct 2010, 16:52:42 UTC - in response to Message 42499.  
Last modified: 2 Oct 2010, 16:54:00 UTC

The app_info.xml is used to run optimized applications with the anonymous platform mechanism. Here the official and the optimized gpu app are the same; still you can use this mechanism to use command line parameters for the app.
Have a look here: http://www.arkayn.us/milkyway/index.html


How much of a speedup does the x64 ATI app offer? Especially with the very short maximum queue length that I can have with MW I'm hesitant to go the app info route because it would quickly result in my GPU running dry when a new official app was released.

To throttle the GPU would I change the value of count here to something slightly less than 1, or would I need to add a new element to the file?

<coproc>
  <type>
    ATI
  </type>
  <count>
    1
  </count>
</coproc>



Edit: PS is there a way to keep the indents in the XML from being eaten?
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Yakk

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Message 42506 - Posted: 2 Oct 2010, 18:06:37 UTC - in response to Message 42504.  



If I throttled the memory speed like this would I then have to manually kick it up again when I want to game on the card?


It get proper graphics performance yes. Otherwise you are bottlenecking your memory performance. (btw ATI's memory controller is one of their strongest points)

Y.
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DanNeely

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Message 42508 - Posted: 2 Oct 2010, 20:26:51 UTC - in response to Message 42506.  

Probably not worth the hassle then. My case is well ventilated enough that my 5870 is running at 65-70C.
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Len LE/GE

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Message 42517 - Posted: 3 Oct 2010, 9:17:15 UTC - in response to Message 42505.  

How much of a speedup does the x64 ATI app offer?


From one of your validated WU's:

Running Milkyway@home ATI GPU application version 0.23 (Win64, CAL 1.4) by Gipsel

So you are running the x64 version as regular app.
I checked which one you would need before I gave you the link :)
Only difference is: With the anonymous platform (app_info.xml) you can play with the params Gipsel did build into it instead of using their defaults (regular app).
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Message boards : Number crunching : Regulate GPU usage?

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