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Big temp difference in applications

post #1 of 33
Thread Starter 
I ran seti the first half of the day. Had to underclock my entire rig because it was making mad heat. Then, I remembered that I made some mad points running distrtgen with the gpu's. I went ahead and added it, started running it on the gpu's, and the temps took a nosedive, but the gpu usage (through afterburner) shot up to a flat 99%. What gives? distrtgen shows alot more gpu usage, but the temps are almost 20c cooler. I went back and actually overclocked the gpu's to 1000Mhz/4500Mhz, and they're still that cool... like 41c/36c??? Make any sense at all?
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post #2 of 33
I notice the same with Primegrid on my GPU. My wattage pulled from the UPS goes up considerably as well as temps.

[edit]err, I read it as your temps increased! lol
Edited by Angrybutcher - 10/13/11 at 10:47pm
 
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post #3 of 33
Quote:
Originally Posted by Jayce1971;15299735 
*snip*
Make any sense at all?

A theory could be that since the GPU usage percentage measure the activity of the GPU core, despite Distrtgen using up 99% of the core, the memory chips aren't being stressed with requests and thus the entire card as a whole has a lower temperature reading, whereas Seti might stress the memory more?
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post #4 of 33
I know on CPU projects, my temps vary greatly. With cosmology I run at a hot 75-78C and it fills up my 8Gb of Ram, but other projects I run at 63-68c and only use about 2-3Gb of Ram.

So yes, it is normal for different projects to stress your computer differently. Some are harder, some are easier, some produce lots of points, others are barely worth it.
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post #5 of 33
Thread Starter 
Appreciate the ideas. Just can't believe these temps/gpu usage. So, I could have been running this all summer, with no temp worries?weirdsmiley.gif:weirdsmil

Well... What the heck.
Let's just bump it up a little bit!band.gif

biggrin.gif
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post #6 of 33
witch one makes the most heat? watts used? smile.gif
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post #7 of 33
Quote:
Originally Posted by Jayce1971;15301945 
Appreciate the ideas. Just can't believe these temps/gpu usage. So, I could have been running this all summer, with no temp worries?weirdsmiley.gif:weirdsmil

Well... What the heck.
Let's just bump it up a little bit!band.gif

biggrin.gif

Sir, this is OCN. If you are talking about your OC, then you dont just bump it up a little bit. You OC it until it cant take anymore voltage, then you work it until you make it stable. And then you run it hard on some projects and realize you have a temperature problem. Thats where water cooling comes into play, then you OC it some more and so on...

Unless your talking about music, then by all means, Bump it up a little bit drum.gif
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post #8 of 33
Thread Starter 
Quote:
Originally Posted by goodtobeking;15302091 
Sir, this is OCN. If you are talking about your OC, then you dont just bump it up a little bit. You OC it until it cant take anymore voltage, then you work it until you make it stable. And then you run it hard on some projects and realize you have a temperature problem. Thats where water cooling comes into play, then you OC it some more and so on...

Unless your talking about music, then by all means, Bump it up a little bit drum.gif

True Dat ^
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post #9 of 33
WCG has my CPU core temps at mid to low 70s. If I run Intel Burn Test, they'll go 90C. I haven't messed with any other projects.
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post #10 of 33
First of all, what they said! Secondly, I agree!!!

JUST turning on HT on the 950 box raises CPU temps 10C+ at the 4.259GHz OC value. Every tweak costs more energy... Water Cooling let's you get rid of more concentrated heat while staying fairly quiet... but it can cost a lot more, especially cooling GPU's at the same time.

Haven't blown any chips yet, but blew up an MSI Mobo....

LOL!

biggrin.gif
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