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[Official] AMD Ryzen DDR4 24/7 Memory Stability Thread - Page 9

post #81 of 187
Hello

Regarding additional testing methodology for this thread I think this screenshot says it all. From stable settings SOC voltage was slightly lowered and termination resistance bumped up one step to increase signal reflection. MemTest64 successfully completed one hour using all available memory. HCI produced an error after approximately 14 minute.



post #82 of 187

you may find this an interesting read

 

https://www.micron.com/resource-details/297e5bfa-6f92-4471-9b84-22b1ee76482d

post #83 of 187
Thread Starter 
Quote:
Originally Posted by Praz View Post

Hello

Regarding additional testing methodology for this thread I think this screenshot says it all. From stable settings SOC voltage was slightly lowered and termination resistance bumped up one step to increase signal reflection. MemTest64 successfully completed one hour using all available memory. HCI produced an error after approximately 14 minute.




This is good to know. Was considering adding this test to the roster, but I'm really not convinced it is needed. Both tests in the thread when used are more than enough if on the right path
post #84 of 187
Quote:
Originally Posted by Praz View Post

Hello

Regarding additional testing methodology for this thread I think this screenshot says it all. From stable settings SOC voltage was slightly lowered and termination resistance bumped up one step to increase signal reflection. MemTest64 successfully completed one hour using all available memory. HCI produced an error after approximately 14 minute.




This is difficult to understand, maybe you can explain it.

you purposely set bad settings, to prove that one software will fail and one will not? that's a single instance failure - 100% unreliable.
post #85 of 187
Thread Starter 
Quote:
Originally Posted by drdrache View Post

This is difficult to understand, maybe you can explain it.

you purposely set bad settings, to prove that one software will fail and one will not? that's a single instance failure - 100% unreliable.

Really?

An error in that little coverage with HCI versus an entire hour of looping. Quite a disparity there...15% with that much memory is no more than 5 minutes.

100% unreliable indeed. If the metric for 100% is a whole hour biggrin.gif lol. Memory errors are memory errors, regardless of how many instances fail.
post #86 of 187
Quote:
Originally Posted by Silent Scone View Post

Really?

An error in that little coverage with HCI versus an entire hour of looping. Quite a disparity there...15% with that much memory is no more than 5 minutes.

100% unreliable indeed. If the metric for 100% is a whole hour biggrin.gif lol. Memory errors are memory errors, regardless of how many instances fail.

100% unreliable because you tested a SINGLE situation; not time. did you test the same settings with GSTA? my point is, it's incorrect in any testing to
throw out a tool because it failed ONCE.

HCI is great because it's been tested and refined over a long time; but your testing does it no favors, you might as well said "because I said so, it sucks"
because that's how reliable a single test is. bad methods are bad methods, regardless of the desired outcome.
post #87 of 187
Quote:
Originally Posted by drdrache View Post

100% unreliable because you tested a SINGLE situation; not time. did you test the same settings with GSTA? my point is, it's incorrect in any testing to
throw out a tool because it failed ONCE.

HCI is great because it's been tested and refined over a long time; but your testing does it no favors, you might as well said "because I said so, it sucks"
because that's how reliable a single test is. bad methods are bad methods, regardless of the desired outcome.

Hello

You think I set up everything that was in that screenshot on the off chance the utility would fail? After seeing the same results numerous times I decided to do a direct comparison in the screenshot I posted. And yes GSAT failed also. To try to call out purposely setting a memory configuration that would fail makes no sense to me. Those known non-stable settings resulting in the successful passing of the utility puts it in an even worse light. But everyone is free to use whatever testing method they choose. If passing a given stability testing utility when similar utilities fail eases one's mind when claiming stability by all means it should be used by that individual. As the two options given in this thread for submission have been in your own words " tested and refined over a long time" there is no need to include a third of questionable reliability.
post #88 of 187
My Asus B350 Prime is no longer stable with dual channel memory (two sticks). But each stick works well individually.

Damaged Board or Damaged cpu controller?
post #89 of 187
Thread Starter 
That's the thing with testing memory, a "single" situation is detecting errors. You could maybe understand the argument if Praz ran HCI for ample coverage over many hours and found a single error. However, it only needed to be run for 15 minutes

A good testing methodology includes various tests, yes, but if test X is finding errors in a few minutes where test Y isn't in an hour of looping then it's stringency is bound to come into question.
Edited by Silent Scone - 5/3/17 at 3:23am
post #90 of 187
@Silent Scone, we were chatting in the C6H specific thread and I had mentioned that I'd never had a memory overclock pass a specific setting in IBT (10 runs @maximum setting) and subsequently fail in HCI. Well, I was able to make that happen this afternoon. While IBT was running, I noticed what what was probably a WHEA error (I didn't have HWiNFO running at the time but started it right after trying to catch another) around the 3rd run in IBT and figured it would be a great time to actually test that statement further (first time this has happened and I've run a bunch of them). Sure enough, HCI failed and it was fairly early. These settings were destined to fail as they're lower than what I achieved stability on at 16-15-15-36 but the opportunity was there.

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Inferior FTW!
(22 items)
 
FrankenRyzen
(13 items)
 
 
CPUMotherboardGraphicsRAM
i5 6600K 4.5@1.320v Gigabyte Z170X-Gaming 7 Founder's GTX 1070 200/800 Corsair Vengeance LED 3200@4000 
Hard DriveCoolingCoolingCooling
MyDigitalSSD BPX 120 (RAID 0) EK-FB GA Z170X Monoblock XSPC RX360 (White) XSPC RX240 (White) 
CoolingCoolingCoolingCooling
EK Vardar F2s (x5) EK-FC1070 GTX1070 (nickel/plexi)  EK GTX1070 FE backplate EK Double Bay PWM D5 MX 
CoolingCoolingOSMonitor
Bitspower 250 Z-Multi Res EK HDC fittings (12mm) Windows 10 Samsung C32F391 
KeyboardPowerCaseMouse
Razer Blackwidow Chroma EVGA Supernova G1 1000w Phanteks Enthoo Primo Razer Naga Epic 
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CPUMotherboardGraphicsRAM
Ryzen R7 1700 @3.9 Asus Crosshair VI Hero Radeon HD 6950 G.skill RGB 3200 @3500 C16 
Hard DriveCoolingOSMonitor
Samsung 960 Evo CM 212 Evo (push/pull) Windows 10 Pro 46" Sharp Aquos 
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