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Is it necessary to stress test for hours? - Page 2

post #11 of 32
I always do half hour of prime95 small, half hour large, half hour blend, and then between 25 and 50 runs of max memory LinX/Intel Burn Test.

Using these guidelines, I've never had a system crash on me after completing the tests.
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Weedy
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post #12 of 32
Getting my Q9550 to 4.2Ghz took 2 weeks because I needed test each incremental change in voltage.

I ran Prime95 (small fft to test CPU only) overnight and the error would show up anywhere from 1 minute to 4 hours.

Once it had gone for 12 hours without error, I called it stable.
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post #13 of 32
After folding for the chimp challenge, YES. The first day of folding I pretty much did nothing because my overclock was unstable. Now I do a 24hour prime95 Teat or fold.
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post #14 of 32
I say 24hrs is must after your happy with you overclock and you passed your 12hr prime95. The reason i say that is a member of OCN who helped me with my overclocking (sandman) was overclocking his computer and thought that 24hr stress test was stupid but then realized windows 7 was starting to get problems over time. (screen looking funny windows being slow and just corrupted files. Yes i know it sounds stupid i thought so too but its true) this was all due to his overclock not being fully stable. Now i know most of us would be like meh who cares fresh reinstall but in most cases it will just carry on to your next install if you use your backup files. It doesn't hurt to just do your 24hr test once and if you pass great if not then you need to work on it. hey i was 30mins away from finishing my 24hr test and my PC froze. i came back from work and let it finish doing the last 30mins when i couldn't get my monitor to wake up tried everything and later found out in the event log that it crashed and restarted but froze. Just do your test on a day when you know your going to be busy all day. It will save you a lot of headaches later.


i would say 12-15 hours for the average gamer unless u fold and do nonstop gaming for 5hrs plus+ but in my mind just run 24hrs and save yourself some trouble later.
post #15 of 32
Quote:
Originally Posted by DeltaUpsilon View Post
No, it is not necessary. Unless your usual computer usage includes running your components at full load for hours on end, you're better off stress testing for 30minutes or an hour or so. If your overclocks/hardware/temps are stable for that long, chances are they'll be stable for what you're going to use them for.

Also, if you're gaming, your temps will NEVER get near what you see when you're crunching Prime95 or using Furmark. So, yes, you can get a bit more aggressive - just keep a logging program running to check your temps while you play. And if you BSOD or the OC fails, then you just redo it.
That's not true. I see higher temperatures on my CPU when I'm playing BC2 than when I'm stress testing. The reason is that the GPU heats up the ambient temps in my case.

Max temp I see after 6 hrs of Blend is 49c. I've seen 51c after 2 hrs of BC2.
/hwaw
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/hwaw
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post #16 of 32
I find testing on Linux is a faster way to check stability. An OC that is stable fo hours coukd crashly in 30 minutes on Linux it is less tolerant of errors.

My new procedure is to test a few hours with aida64. Compress a few large around 10gb of files simultaneously. Then boot to Linux test disk and try to compile chromium from source on ramdisk. Has not failed me so far.
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post #17 of 32
Stablity is subjective.


A stock CPU at room temperature is not 100% stable. Run it 24/7/365 and it will fault eventually.
Once again...
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post #18 of 32
20 runs of IBT at max memory will usually find any major instability in an oc. After that I just generally keep an eye out for any instability for a few days of normal pc usage/gaming.
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post #19 of 32
I just test with games and game benchmarks, I don't have the PC on 24/7 as it is in the lounge. I just have a few hours of gaming here and there and some forum/email/facebook
    
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post #20 of 32
I used to do the overnight night stress test, but now I ussually run it an hour or so. Then I just use it. If i get a problem the first thing I mess with is the OC though. I've actually had overclocks pass a 12+ hour stress test and still cause a crash. I've also had a stress test fail in less than a minute, but never cause anything in hours of gaming.
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