Issue with GPU Rendering

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Onizuka
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Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 5:47 am

Hi,
I just had a problem with my computer, its not really a bug but I found this section the most appropriate to post this.

After about 10minutes of rendering a scene with the GPU acceleration, wich I am testing since yesterday, my computer just shot down in emergency mode when the temperature becomes to warm.

So I 've seen that GPU acceleration is really good ! I have increased samples per pixels at about 2,5 X compared to a scene without GPU acceleration in an outside environment, and about 2 X for an inside environment but with only daylight. Its interesting.

My GPU is a Geforce GTX 260, 1,8Go.

But as I've just experienced it, it apparently heat the computer many more when using GPU acceleration than without...

I'm not really asking something precise, but I wanted to let know this detail about GPU accel, and maybe know if there was other return of that problem on other computers

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Zom-B
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Re: Issue with GPU Rendering

Post by Zom-B » Mon Aug 04, 2014 6:12 am

If such an old GPU raises your performance that much, well... wow :lol:

If you GPU overheats, then I suggest you think about the airflow in your rig!
Removing the GPU for some action with the vacuum cleaner is also a good idea ;)
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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 7:41 am

Thanks for the answer.

Well old doesn't mean bad ! ;)

It is still a very good graphic card. You might be used to bigger components, I'm still on a usual computer :P

Ok yes I maybe should add some cold solution... I ve never upgraded this computer

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Zom-B
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Re: Issue with GPU Rendering

Post by Zom-B » Mon Aug 04, 2014 8:00 am

Onizuka wrote:Well old doesn't mean bad ! ;)
Not bad, only slow :P

When did you cleaned up the hardware with a vacuum cleaner the last time?
This is no joke, for overheating problems dust is reason No. 1
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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 8:09 am

^^

You will think bad of me, but to be honest I bought this PC 3years ago, and I only opened it 2 times to clean the dust... ^^ last time was maybe 1/2 months ago.
But I only opened the big case, I never opened the processor box, or something else... I was affraid to broke something

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Re: Issue with GPU Rendering

Post by Zom-B » Mon Aug 04, 2014 8:35 am

Well in this case I would bet that dust is the reason for your overheating problem...

Here are some examples how your GPU may look like now ^^

http://www.hardwareschrott.de/staubratten.jpg
http://srv6.mypowerhost.de/tibe/content ... /mai10.jpg
http://www.ahct.de/blog/wp-content/uplo ... nbild2.jpg
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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 9:38 am

Damn...! Yeeh I should open it and clean it up...

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Re: Issue with GPU Rendering

Post by PureSpider » Mon Aug 04, 2014 9:08 pm

God bless dust filters on all the intakes of the case 8)

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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 10:59 pm

Oh my god yes ! I never thought to it but thats a simply giant idea... !

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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 11:09 pm

But doesn't it slow the eficiency of the fan to cold the components ?

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Re: Issue with GPU Rendering

Post by Zom-B » Mon Aug 04, 2014 11:12 pm

Onizuka wrote:But doesn't it slow the efficiency of the fan to cold the components ?
A tiny little bit, but in your case you have other problems then that ;)

I clean my dust filters once a month, and its always very satisfying to see what has not entered the case :lol:
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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Mon Aug 04, 2014 11:27 pm

Yes I imagine ! So I have to clean it up completely and then I will put filters

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Re: Issue with GPU Rendering

Post by Oscar J » Mon Aug 04, 2014 11:40 pm

Zom-B wrote:
Onizuka wrote:But doesn't it slow the efficiency of the fan to cold the components ?
A tiny little bit, but in your case you have other problems then that ;)

I clean my dust filters once a month, and its always very satisfying to see what has not entered the case :lol:
Once a month? Are there many sand storms in your home? :shock:

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Re: Issue with GPU Rendering

Post by OnoSendai » Mon Aug 04, 2014 11:45 pm

Oscar J wrote:
Zom-B wrote:
Onizuka wrote:But doesn't it slow the efficiency of the fan to cold the components ?
A tiny little bit, but in your case you have other problems then that ;)

I clean my dust filters once a month, and its always very satisfying to see what has not entered the case :lol:
Once a month? Are there many sand storms in your home? :shock:
heh :)

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Onizuka
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Re: Issue with GPU Rendering

Post by Onizuka » Tue Aug 05, 2014 12:01 am

Even If I didn't in 3years, I always heard that a PC should be clean up of dust every 1 or 2 months, and at least 6months...
So cleaning the filters 1 time per month might be perfectionist, but it still hold the road I guess

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