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Stability Testing: Does it matter if you take a break in-between Prime95 runs?

post #1 of 17
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Yesterday I ran Prime95 for about 16.5 hours and it was fine but then I took a break to install another case fan and now I'm going to run all night again for another 8 or so hours.

That's 24 hours total but in two different sessions.

Does that matter? Is it best to run Prime95 for a full 24 hours continuously?
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post #2 of 17
I say yes because the temps go down and it "stabilizes" the CPU.

Its not a true 24hrs.
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post #3 of 17
Supposedly running a second session just repeats the same calculations as the first. Therefore, one long session as always recommended.
post #4 of 17
Quote:
Originally Posted by sofakng View Post
Yesterday I ran Prime95 for about 16.5 hours and it was fine but then I took a break to install another case fan and now I'm going to run all night again for another 8 or so hours.

That's 24 hours total but in two different sessions.

Does that matter? Is it best to run Prime95 for a full 24 hours continuously?
I think the other question is does it matter whether you run for 16 hours of 24 hours based on how you are using your computer?

Your sig had 4.5 for an overclock which is certainly not an insane overclock. unless you are trying to do this with really low voltages, or you are doing a lot of folding, etc, I wouldn't go through the hassle of doing another run - go enjoy your computer instead!!
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post #5 of 17
Listen...to be totally stable you MUST run P95+LinX together for a period of 43.47hours+a brief pause+34.2hours-the brief pause X4.2=totally totally stable
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post #6 of 17
Prime95 does one complete blend cycle for my setup in less than 10hrs. I used to think that was good enough. That was before I went to 64bit OS. (your sig doesn't say what your OS is, I'm assuming its 64bit.) I would suggest using the 64bit version of Prime95 and testing for 18-24hrs with at least 6 gigs of ram used in the custom options with blend to be completely sure, especially if you plan on leaving your system on for more than a week at a time. Don't be afraid to browse the web or whatever while its testing, if its stable browsing around won't be a problem. Just don't do any work you might want to save.
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post #7 of 17
I think its more important to set test length to 1 min so it cycles through all test versions much quicker.

Prime will error quickly with SB if it's unstable, so it's best to zoom through the tests quickly instead of going through stable tests for 15 minutes.
    
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post #8 of 17
Quote:
Originally Posted by BallaTheFeared View Post
I think its more important to set test length to 1 min so it cycles through all test versions much quicker.

Prime will error quickly with SB if it's unstable, so it's best to zoom through the tests quickly instead of going through stable tests for 15 minutes.
That's interesting. I'm not sure how fast SB chips churn though Prime95. Are you suggesting that 1 min. tests on SB are just as sufficient as 15 min. tests on 775?

Are you actually implying that SB chips require less stress testing?
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post #9 of 17
I can't comment on 775, never owned one.

I will say compared to my AMD systems SB errors much quicker due to low vcore than the AMD systems.

In fact if my system is borderline stable to the tune of one or two voltage ticks it will still error rather quickly with blend.

To be honest though, I've had my chip so long that I don't even stability test anymore.

I like to use quick and dirty testing because if it doesn't error in BFBC2 or similar game, and it doesn't error after only a few minutes of prime 95 then it won't error on me.

I've been using power saving features for about six months now and outside of trying for more ram speeds/tighter timings I haven't seen a bsod in all that time.
    
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post #10 of 17
Quote:
Originally Posted by BallaTheFeared View Post
I can't comment on 775, never owned one.

I will say compared to my AMD systems SB errors much quicker due to low vcore than the AMD systems.

In fact if my system is borderline stable to the tune of one or two voltage ticks it will still error rather quickly with blend.

To be honest though, I've had my chip so long that I don't even stability test anymore.

I like to use quick and dirty testing because if it doesn't error in BFBC2 or similar game, and it doesn't error after only a few minutes of prime 95 then it won't error on me.

I've been using power saving features for about six months now and outside of trying for more ram speeds/tighter timings I haven't seen a bsod in all that time.
I'm not familiar with the new formats but usually quick and dirty OC's lead to data corruption, file fragmentation, and registry problems. Without corrective software it can be a PITA. The more stable the better.
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