It's then time to back down and repeat the Torture Test until there are no errors for at least 12 hours. After finding your stable point you may want to then retest by going to the Advanced section, setting the password to and then setting Priority to You won't be able to use your computer while Priority 10 Prime95 Torture Test is running, but it'll confirm your system stability.
Wow, Thank you! All I need to know! Cya, SliNGky. I have a silly question, once Prime95 is running in priority 10, it still shows low priority in the system task manager so I right click on the base priority and set it to HIGH, and is this another way to tell prime95 to die quickier if the system is not stable yet? It's an internal Prime95 setting, forget about using the computer with that setting set to 10, people usualy use it for overnight testing to confirm the stability of their systems They usually run it hours Open the pod bay doors, Cortana.
It always breaks stuff and generates business for me. The blend test doesn't test the cpu nearly as much as it does on Small FFTs. Core i3 3. Thanks for your input.
Blend always clugged up my system, even on low priority rendering almost unusable, running Small FFTs has always gave me higher temps and never failed me. Blend does a great job of testing memory though, which for XP and P4 systems would include testing the northbridge chipset, good for overclocked FSB's.
He mentioned using memtest86, so for people using just Prime95, Blend test was thought to have been a better option, so maybe The Coolest can clear it up, does he still vote for Small FFTs for new users? Argh, I just tried to post, but got a "Database error" and lost all that I typed. But let me sum everything up. Running a processor at triple its nominal TDP nonstop for a prolonged period with most of that power going though a few specific execution units simply cannot be healthy for it.
This is a slippery slope towards CPUs which are only warranted to run certain approved apps. Besides, Prime95 isn't what I'd consider a pathological case anyway FFTs are common in scientific computing and signal processing, and having a CPU continuously perform them is not at all an unusual workload.
I agree with you, but with the caveat that CPUs should be able to run flat-out, indefinitely at rated voltage. The way I see it is an over clock is only stable if it can run the same applications as a stock clocked chip could at full bore for the same time periods.
So if you could take a stock k or something and run prime95 small FFTs albeit at 90C for 24 hours with no issues then your OC should as well. Having a high standard like that means I have more confidence in my OCs and my systems. Given how much power AVX consumes I wouldn't be surprised if throttling it even let you clock the rest of the core higher. I doubt many CPUs are suddenly erroring out for the first time at 23 hours.
So why not just test for an hour and call it good? An hour of super abnormally high stress is more than enough to validate it for standard usage in my opinion. More than OK at 30 minutes too. Usually fails within the first 5 seconds, if you make it to 1 min then you have a very solid chance of making it the whole way.
If your data assurance requirements exceed one "proof test" shot[0], so to speak, then you have no business using overclocked CPUs at all. Prime95 SmallFFT is way way more stress than you would ever put a CPU under in any real-world load, and like an overpressured proof shot it's not really the best thing in the world for the processor to do this nonstop.
Electromigration is a thing that exists. I think it's possible with exotic cooling solutions like custom water cooling. The costs are often ludicrous and not something you'd put into a cloud server but for a home workstation a good water cooling setup can get you better than stock performance such that you could run Small FFTs for hours or days and be fine.
That sounds like overkill but it's peace of mind for me and I need that or I'll just keep the thing stock which I've been doing lately. This is a split board - You can return to the Split List for other boards. Log In Sign Up.
Keep me logged in on this device Forgot your username or password? Don't have an account? Sign up for free! What do you need help on? Cancel X. Topic Archived Page 1 of 3 Next Last. Sign Up for free or Log In if you already have an account to be able to post messages, change how messages are displayed, and view media in posts. Boards PC How long do you need to run Prime95 stress test to know it's stable?
User Info: monkmith. Taarsidath-an halsaam. Quando il gioco e finito, il re e il pedone vanno nella stessa scatola. User Info: Ryzeki. Prime is incredibly demanding, unrealisticly so. But after a couple of minutes is more than enough. I use it more as a temperature test, not stability test. I've always found actual gaming to be a better test for stability Super Mario Kart is the single best Mario Kart ever! User Info: zhenghan.
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