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Stability Testing in 2019 - The RIGHT Way!

 
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post #1 of 10 (permalink) Old 03-11-2019, 04:55 AM - Thread Starter
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Stability Testing in 2019 - The RIGHT Way!

Hi all,

So I have been working to get a stable 4.4Ghz on my i9 9820X on all cores with HT ON. No AVX offset either. Years ago I had Q6600's, QX9650's, E8600, i7 950's etc and back then it seemed that stability testing a system was much much easier. Of course you'd just open Prime95, run some small FFT's for a couple of hours, then maybe some Linpack/IBT and if all checks out, you'd proceed to run a Prime95 Blend for between 12-24hrs.

However the years have gone by, additional 'stress testing' tools are available, everyone has their favourite, and experiences good & bad to back that up.... And of course we have new instruction sets in the form of AVX/2/512/FMA3/4.

Upon a quick google on overclocking and stability testing, it looks to me as if there is way too many one sided opinions on what someone should use, and why something else is useless. My personal favourite has always been prime95 as I know if I can pass a full loop of all its FFT's, then im pretty sure my system is stable, if I then crashed in a game, a slight voltage bumb should resolve that.

But this outlook and logic highlights something that in my opinion is the only way to test for stability in 2019.

You MUST use a variety of workloads.

There are many of us out there that will swear by a 12 hour Prime95 SmallFFT session, or a single Prime95 1344k FFT session, or maybe even the full FFT loop over the course of 24 hours. Then there are those that swear by 10 hours of AIDA64, or 100 passes or IBT, 10 Linpack passes etc.....

In my own experience however now, in 2019. NONE of these programs on their own, no matter for what length of time will guarantee total stability. I have run hours of P95, hours of AIDA, only to fail realbench within 30 mins or vice versa. Its well proven, from both my own experience and others via google, that no single program is a mark of true stability.

So heres what I have run and successfully passed, which I am using to call my system stable. All in all, this selection here, plus the idle time at the end of each when you are AFK, plus the reboots, plus any voltage tweaks comes to about 48hrs or 2 days worth of stability testing.

I think that due to the variety in this regime, at the end of the process you could probably safely say your system is stable, period. Whereas any of these on their own, will NOT give you grounds to call your system stable.

In no particular order, besides making sense to run the quicker tests first:

10 Loops ASUS Realbench BENCHMARK MODE
1hr Prime95 CUSTOM 1344K FFT IN-PLACE
2.5hrs Prime95 SmallFFT AVX/FMA3 Enabled (complete loop of all the smallFFT sizes)
2hrs ASUS Realbench STRESS TEST MODE MAX RAM
1 x Heaven Benchmark run
1 x 3DMark Firestrike run
1 x 3DMark Timespy run
1 x Cinebench CPU + OpenGL run
1 x HWBot x265 4k run
8 Hours AIDA64 Stability Test CPU,FPU,CACHE,MEMORY
Pime95 CUSTOM 8-4096kFFT 5Mins per FFT Size IN-PLACE AVX ENABLED (complete loop of all FFT sizes)

Going through this process I had failures and had to do a couple of minor voltage tweaks. This just reinforces the need to add variety into your testing method. I did leave memtest86+ off this list on purpose, mainly because its a specialist memory diagnostic tool, but it may also be worth running a few passes overnight to make sure your RAM is happy, especially if you are experiencing random crashes/freezes and can't seem to eliminate them via voltage increases or clock speed drops. Could well be due to bad RAM which memtest86+ will highlight.

Anyhow, Im happy based on the above that my system is stable, even before I go and play any games etc...

Just thought I'd share this list here for those that are having trouble with all the mis-information out there on this subject.

There is no shortcut to stability.

Thanks
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Last edited by The_Rocker; 03-11-2019 at 05:35 AM.
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post #2 of 10 (permalink) Old 03-11-2019, 09:49 AM
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Nice info. That's a lot of work though. I don't think many people would have the time or determination to do ALL of it. I agree that no single software is enough to test stability, but... Why does it really need to be all of them though? Less than half of them could suffice, I think. What are the chances that only one of them would fail if the system is unstable?
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post #3 of 10 (permalink) Old 03-11-2019, 10:00 AM
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I'd honestly skip everything, ran 10 Cinebench R20 loops for dirty stability test, then do 12h of Prime95 Blend test and call it a day. In case of RAM testing I'd stick to older Cinebench, 10 runs and launch memtest86+, 100 Modulo only loops. I sincerely doubt I'd find any issues later on, stating from my experience.

Also, Aida is garbage for stability testing, maybe as cpu heating tool.

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post #4 of 10 (permalink) Old 03-11-2019, 10:39 AM
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Hi,
Blender and demo rendering file classroom loop that/ render animation 6x and real bench is really all that is needed
https://www.blender.org/


https://www.blender.org/download/demo-files/

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post #5 of 10 (permalink) Old 03-11-2019, 10:47 AM
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seems like many of those are doing the same thing though.
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post #6 of 10 (permalink) Old 03-11-2019, 11:15 AM
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Step 1) OC
Step 2) Play BF4/BFV
Step 3) If no crashes, Prime95 Small FFT overnight
Step 4) If that passes, then MemTest.
Step 5) fin

ez

Battlefield series sniffs out CPU OCs that aren't really stable quicker than Prime95/OCCT. I've gone >8 hours in Prime95 and crashed within a few minutes in BF more times than I can count.

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post #7 of 10 (permalink) Old 03-11-2019, 03:49 PM
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Quote: Originally Posted by The Pook View Post
Step 1) OC
Step 2) Play BF4/BFV
Step 3) If no crashes, Prime95 Small FFT overnight
Step 4) If that passes, then MemTest.
Step 5) fin

ez

Battlefield series sniffs out CPU OCs that aren't really stable quicker than Prime95/OCCT. I've gone >8 hours in Prime95 and crashed within a few minutes in BF more times than I can count.
Mines similar

Step 1) OC
Step 2) Play Overwatch - For GPU overclocks, I can play other games for hours but 15 minutes of Overwatch the game crashes or black screens with unstable overclocks.
Step 3) Prime95 Small FFT overnight - for CPU overclocks
Step 4) stressapptest(https://github.com/stressapptest/stressapptest) - MemTest doesn't work well anymore for my memory. Ran it for 24 hours with my memory at 3400Mhz and passed. Ran stressapptest and it failed.
Step 5) fin

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post #8 of 10 (permalink) Old 03-11-2019, 11:16 PM
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No love for OCCT large data set?

I pretty much undervolt every PC and CPU that I can, and passing OCCT large data set has been the ultimate rock-solid stability test - it wouldn't pass even when other programs would (realbench, OCN's x264 stability test, linpack, prime95, my personal custom OCN x264 stability test + JMESS combo test, etc).

Then again, as I primarily deal with older and lower-end stuff, I've actually never tried it with any CPU that supported AVX, so perhaps results differ when AVX is in play...

The only thing is that, if you're someone to use an iGPU, then I find that something like SVP can actually require more voltage than OCCT large data set by itself, and OCCT's "power consumption" test isn't ideal either since it uses linpack instead.

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post #9 of 10 (permalink) Old 03-12-2019, 12:07 AM
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Agreed, thats a whole lot of programs for testing I must agree with Broadpwn about AIDA being garbage since the last build edition of Win7, All versions of Win 8, Win 9 AKA 8.1 & Win 10 AIDA is basically useless now..... I stick with the tried and true set of - Prime95, Cinebench & 3DMark and throwin every test they can do at your gear 99% of the time it hits the mark, Then just finish your tweaks and get your game on
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post #10 of 10 (permalink) Old 03-12-2019, 05:09 AM
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Quote: Originally Posted by WannaBeOCer View Post
Mines similar

Step 1) OC
Step 2) Play Overwatch - For GPU overclocks, I can play other games for hours but 15 minutes of Overwatch the game crashes or black screens with unstable overclocks.
Step 3) Prime95 Small FFT overnight - for CPU overclocks
Step 4) stressapptest(https://github.com/stressapptest/stressapptest) - MemTest doesn't work well anymore for my memory. Ran it for 24 hours with my memory at 3400Mhz and passed. Ran stressapptest and it failed.
Step 5) fin
Not a valid test unless you do it in Comp.


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