Prime95 questions

[Zenoth]

Would a 1 hour stable Torture Test on both Cores using "In-Place Large FFTs" be considered a good start ? Or in other words, a good sign of stability ?

 

[the cobbler]

not really, no

really should run 24+ hours small FFTs to test CPU stability, if you can...another 24+ hours Large FFTs. blend is basically useless, imho, if you know your RAM is stable. Small FFTs= check CPU stability, Large FFTs= whole system stability (PSU, etc.)

problem is that you have to get past the 18-22 hours mark, where a lot of errors will pop up...people blow this all the time, run it just 12 hours or so, and wonder why their system is unstable...

fwiw, I've had many instances where Prime will error out after 10 hours

 

[Bobthelost]

A good start yes, but not long enough, depending on where you have your computer (mine's under a desk for example) the air temp around the machine may still be rising.

General advice is at least 8 hours before you can claim the system is "stable". Also i find that small FFTs are more error prone.

Prime for 8 hours smal FFT, and then do the same but with RTDHBL running as well (it'll be easier on the CPU, but stress out that graphics card quite happily). Should be more stressful for the system than gaming is.

 

[Zenoth]

Ok, thanks guys.

 

[orangat]

Use burnk7 in the cpuburn bundle. Its more stressful than prime95 since it was designed to be a stress tester not a prime number searcher. In my testing burnk7 gave higher load temps a few degrees higher.