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GTX 460 has failed 5 WU's in a row - Page 2

post #11 of 19
Quote:
Originally Posted by 1keith1 View Post

Yes, but that kind of voltage was what I needed for it to appear stable in games, I understand that it was probably artifacts I didn't see, I try to test with OCCT for that purpose.

I think the memory is stable, I'll see how it folds now. I just hope I don't get set back as much as I did by all the failures it had today, I'm trying to get in the 500,000 points per month slot for prizes. tongue.gif


OCCT won't catch it on a Fermi unless you are using third party custom drivers. EDIT: This statement applies to 500 series, but not 400 series Fermis.

 

All nvidia drivers throttle the power consumption down on Fermi cards when OCCT or Furmark are run, effectively operating the cards in a half-power mode. Even though the frequencies don't change, the power supplied to the card is reduced significantly to prevent damage to the card. EDIT: Again, this only applies to 500 series Fermis.

 

OCCT and Furmark are now worthless for testing Fermis because of this. EDIT: Again, this only applies to 500 series Fermis.

 

That's why I said that folding -advmethods is about the only high-stress error detection software that their is for us with Fermis. The problem with that, of course, is that the more errors we cause, the more we hurt real-world research at Stanford, so folding just to find errors without producing quality WUs is irresponsible and frowned upon.

 

EDIT: Thanks for catching my error, juano.


Edited by shad0wfax - 2/7/12 at 6:14pm
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post #12 of 19
Quote:
Originally Posted by shad0wfax View Post



OCCT won't catch it on a Fermi unless you are using third party custom drivers.

All nvidia drivers throttle the power consumption down on Fermi cards when OCCT or Furmark are run, effectively operating the cards in a half-power mode. Even though the frequencies don't change, the power supplied to the card is reduced significantly to prevent damage to the card.

OCCT and Furmark are now worthless for testing Fermis because of this.

That's why I said that folding -advmethods is about the only high-stress error detection software that their is for us with Fermis. The problem with that, of course, is that the more errors we cause, the more we hurt real-world research at Stanford, so folding just to find errors without producing quality WUs is irresponsible and frowned upon.

Just the 500 series actually, the 400 series are okay to run on OCCT or furmark when used cautiously. I use OCCT for no more than 15 minutes (some may say there's nothing to worry about running longer but I find 15 minutes works for me) and then something like Unigine Heaven for about 30 minutes to get a quick idea of stability on my 460
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post #13 of 19
Thread Starter 
Quote:
Originally Posted by shad0wfax View Post


That's why I said that folding -advmethods is about the only high-stress error detection software that their is for us with Fermis. The problem with that, of course, is that the more errors we cause, the more we hurt real-world research at Stanford, so folding just to find errors without producing quality WUs is irresponsible and frowned upon.

Hmm, thats useful to know, I never knew that. Well thanks for the help, looking forward to folding, I won't have to pay a cent for electricity while living on my college campus.
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post #14 of 19
Quote:
Originally Posted by 1keith1 View Post

Hmm, thats useful to know, I never knew that. Well thanks for the help, looking forward to folding, I won't have to pay a cent for electricity while living on my college campus.

How it works in my understanding is that when you are assigned a WU, which are unique, that exact WU is not assigned to anyone else until the preferred deadline is passed which in the case of these advmethods GPU WUs is 12.6 days. So if you get a WU and fail it, then that WU and the bit of research it represents is lost for at least 12.6 days (in the case of this WU) before the work is redone by somebody else. So you can see how in the case of a WU that takes about 12 hours, having that portion set back by 12.6 days is quite the setback to the research. Some other WUs are recreated and reassigned more quickly in the event of a failed WU but with that example you can understand why it's still a detriment to the research.
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by juano View Post

How it works in my understanding is that when you are assigned a WU, which are unique, that exact WU is not assigned to anyone else until the preferred deadline is passed which in the case of these advmethods GPU WUs is 12.6 days. So if you get a WU and fail it, then that WU and the bit of research it represents is lost for at least 12.6 days (in the case of this WU) before the work is redone by somebody else. So you can see how in the case of a WU that takes about 12 hours, having that portion set back by 12.6 days is quite the setback to the research. Some other WUs are recreated and reassigned more quickly in the event of a failed WU but with that example you can understand why it's still a detriment to the research.

I wonder why 12.6 days then, they could probably lower the limit on a WU, and only exclude a few folders, yet speed up the process with which work is received and redistributed. Anyways I'm not in charge.
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post #16 of 19
I think it is 460's in general... I have been having issues with mostly 7xxx wu's failing a lot also at stock speeds/volts even... I'm not sure if it could be the wu's themselves or what but you are not alone... the 460's just might not be able to handle them like we think they should...
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post #17 of 19
My 460 has no issue completing advmethods at many different clocks and voltages.
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post #18 of 19
My 440 is what i would consider to be "stable." I have never gamed on it but as far as folding (its only job) it can pump out 5k PPD consistently. However about 10-20% of the time it gets a 6804 it fails. I only see it on that particular WU. So basically while it is more then likely a little to far clocked I am fine with it as long as it only fails once a week on the 6804 WUs
post #19 of 19
Quote:
Originally Posted by juano View Post

Just the 500 series actually, the 400 series are okay to run on OCCT or furmark when used cautiously. I use OCCT for no more than 15 minutes (some may say there's nothing to worry about running longer but I find 15 minutes works for me) and then something like Unigine Heaven for about 30 minutes to get a quick idea of stability on my 460


Ah, thank you, juano. I will make an edit to my post to correct it for the 500 series only. (I thought that it was driver-wide, not platform-dependent.)

 

Quote:

Originally Posted by crystalhand View Post

My 440 is what i would consider to be "stable." I have never gamed on it but as far as folding (its only job) it can pump out 5k PPD consistently. However about 10-20% of the time it gets a 6804 it fails. I only see it on that particular WU. So basically while it is more then likely a little to far clocked I am fine with it as long as it only fails once a week on the 6804 WUs


It's possible that the 6804 is more stressful on your system than others and that you are operating on the ragged edge of stability. A very slight reduction in clocks would probably solve your issues.

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