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post #11 of 113
lol its funny, I find idle to be the true stress test for SB.
    
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post #12 of 113
Quote:
Originally Posted by BallaTheFeared View Post
lol its funny, I find idle to be the true stress test for SB.
Does your CPU crash at idle too? Thought only MSI had that problem.
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post #13 of 113
I've had my CPU fail @ 4.3ghz after 16hours on prime95. Yet I've played games for hours at that exact same overclock and never had a problem. Unless hour doing something the requires 100% stability, 3-4hours is plenty.
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post #14 of 113
Haha when they warrant it for 3-5 years they expect full usage out of the CPU. Not every user is a grandma checking her email even if we push out systems hard. GFX designers encoders all push their chips hard everyday and get along just fine.
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post #15 of 113
Quote:
Originally Posted by blakmumba View Post
I agree with your pyra, my point was just to casual users like me who enjoy surfing the web, emails, gaming etc as many noobs like myself always here things like stress test for 12-24hrs etc.
It seems like if you were just using your computer for web surfing and e-mail, you wouldn't need to overclock that much?

But yeah, I agree more or less. The best test in my experience is to use the computer for it's actual purpose and see how it holds up. A few times, I've had BFBC2 expose an unstable OC faster than stress testing with Prime95 or OCCT, and if I try to fold with an unstable overclock, I find out pretty quickly. I guess the idea behind long stress tests is that it's better to waste 24hrs stress testing and find a crash than to lose a few hours of actual work to find a crash.
    
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post #16 of 113
If using prime95 for your stability testing 2-3 hrs is not enough.

prime95 blend test does primary small FTT for the first 12 hrs than large FTT tests start around the 12 hr mark.

IBT and all the other stress testers, yeah a few hours should be fine but not for prime95.

I would say you could get away with 2-3 hrs both on small than large FTT using custom tests.

If you OC your NB you need to run the large FTT tests. I'm sorry but the chance of a corrupt file isn't worth it for me. I lose my files, I don't get paid.

Truthfully if it doesn't pass a full prime95 blend (with it prioritized high) for 24 hrs, you have a slight instability. Most people can get away with it but it will eventually corrupt something (maybe a few years down the line).
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post #17 of 113
Quote:
Originally Posted by blakmumba View Post
I seriously question the need for all this 24hr testing going on your brand new CPU, I see numerous cases here of guys bragging about their 24hr stress testing, or saying someones overclock is not stable because they haven't benched for 24 hrs.

A stress test is running all of your CPU cores flat out for however long you run the test, unless of course a core drops out because your overclock is unstable, I see the need for short term testing say an hour or maybe 2, because it won't take that long for an unstable overclock to show itself, but 24hrs in my opinion is not necessary.

There is not a thing on this planet designed to last forever, your precious CPU included when companies like Intel and AMD, guarantee their CPUs for 3 yr warranty time period, they're confident their CPUs will actually go past that time period, however that calculation is based on 3 yrs and beyond of normal use.

They know their CPUs are capable of lasting under normal spec'd use longer than the 3 yrs or they would not warranty them that long.

Now the cold hard fact is that overclocking your CPU will shorten its lifespan, but we accept that for the additional speed we gain, most of us will replace that cpu with an upgrade before is life expectancy arrives anyway, so taking it out of specifications is acceptable.

However that's with normal day to day use, surfing the web, audio and video editing and converting, gaming, office documentation Etc, and though serious bench stress testing is necessary to achieve a stable overclock, what damage does stress testing over a 24 hr time period and beyond, actually do to shorten the lifespan of your new CPU.

For example if you stress test your new quad core CPU for 24hrs, and all 4 cores are running at 100% for 24 hrs, how much normal daily processing is lost, because no daily application uses all 4 cores at 100% for 24hrs, so at least think about that when you overclock your CPU, and use at least some kind of wisdom in your stress testing.

Because if you don't think you're adding to shortening the life of your CPU, you're wrong!

All Credit given to Ryan from a different forum who helped me in my noob stages of Overclocking

Folders and gimps users do 100% 24/7. And I have had a system error at 18 hours, so yes more than 2 hr. is needed.
post #18 of 113
I used to think the same thing until one day my stable overclock bsod when compressing a big file. Now I test more but I agree people can go overboard.

I test with Linux and will do 3-5 hours of mprime (prime95). LInux seems to ferret out issues more quickly, I had a dual boot machine that would test stable for hours in windows and then crash when opening chrome in LInux. So far that has worked fine. Beyond that I'd rather just test it in normal use.
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post #19 of 113
Quote:
Originally Posted by joeykrug View Post
Folders and gimps users do 100% 24/7. And I have had a system error at 18 hours, so yes more than 2 hr. is needed.
I fear all the overclocked folders who aren't stable.

Folders really need to do at least a 24 hr stability run (I would do 48).

If you have a slight instability, you're probably folding bad information/sending back bad information.

All it does it put projects back with bad calculations.

Please note folding is not a stability test.

You could be sending them bad calculations.
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post #20 of 113
in my opinion 2 hour stress small FFT's is more than enough + 1 hour of BC2
    
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