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14 passes on memtest enough? - Page 2

post #11 of 27
IMHO the two most stressful windows programs to test for stability are OCCT and Folding, especially when using VMware and a Linux client for FAH. For me OCCT usually is a good screening tool for stressing the entire system after Memtest passes, 2 hours is usually considered stable, 6-8 hours if you want to be really really sure. For Folding it may take much longer to spot errors- sometimes days or weeks, but it always catches things ORTHOS, PRIME, and OCCT don't (probably due to the extended run time).
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post #12 of 27
Thread Starter 
Quote:
Originally Posted by Ravin View Post
IMHO the two most stressful windows programs to test for stability are OCCT and Folding, especially when using VMware and a Linux client for FAH. For me OCCT usually is a good screening tool for stressing the entire system after Memtest passes, 2 hours is usually considered stable, 6-8 hours if you want to be really really sure. For Folding it may take much longer to spot errors- sometimes days or weeks, but it always catches things ORTHOS, PRIME, and OCCT don't (probably due to the extended run time).
wait what? you said occt is good than said it isn't.
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post #13 of 27
Well I think it isnt. I passed OCCT 2 hour run once and then fired up Orthos, after 10 min fail.
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post #14 of 27
Quote:
Originally Posted by Vitaminx View Post
wait what? you said occt is good than said it isn't.
I think you took that a little out of context. OCCT is good, I fold 24/7 using FAH because it's productive while it stresses my system. If I left OCCT running like I do FAH, it will likely produce errors after several days (or weeks) if there are any minor instabilities.

If I can get thru 2 hours of OCCT I feel safe enough to run FAH without corrupting my WU's. If I can fold (or ran OCCT) for 2 weeks 24/7 then I call that 100% stable.
Quote:
Originally Posted by OCZedd View Post
Well I think it isnt. I passed OCCT 2 hour run once and then fired up Orthos, after 10 min fail.
While I don't doubt you one bit, I've had the opposite occur. 8 hour ORTHOS stable and <60 second OCCT fail. Ultimately that's why you should use several programs to check stability.
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post #15 of 27
I'm against using Folding@Home as a stability test. It will do nothing productive if you send back bad data, which can happen. If anything, this will be a minor setback to the project when they have to throw out what you've sent, and have it done again. You can be sending corrupt data without the client knowing about it.

Anyway, Prime95, Orthos, and OCCT are all effectively the same thing. There is essentially nothing that Orthos or OCCT do that cannot be duplicated with the proper settings in Prime95.

It's always good to use multiple tests, but I don't really consider Orthos/OCCT/Prime95 to be different enough from eachother to qualify.
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post #16 of 27
Quote:
Originally Posted by Blameless View Post
I'm against using Folding@Home as a stability test. It will do nothing productive if you send back bad data, which can happen.
Which is why I take great pains to run at least a pass at Memtest and 2 hours of OCCT between setting or parts changes before folding. When a system is new to me, and nothing known about the limits I'll run 24 hours each of Memtest, OCCT, ORTHOS, and PRIME95 just to be sure.

Remember, even a completely rig built entirely of QVL parts running on stock settings will eventually return a computational error. It's all an odds game.
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post #17 of 27
On the MemTest site they suggest 7 runs for stability, so 14 is plenty.
    
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post #18 of 27
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Uh does this mean I'm not stable? I've ran orthos small ffts for 8 hours no errors. Passed 14 passes of freaking memtest 23 at 5-5-5-15 and I get this error no matter what in super pi. Even when I first built computer I got this error. Does it mean I'm not stable? If someone could please answer this question I'd be thankful because its driving me crazy.
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post #19 of 27
Thread Starter 
bump
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post #20 of 27
Thats just super pi and vista not playing very well. Its done that since it came out. Try running it as admin. If you continue to have issues maybe try it under coimpatibility for XP.

And for memtest allways run memtest when changing ram settings before you log on. If you dont eventually youll corrupt a OS. Even if you jsut do 10min of test 5 before you log on.
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