AMD Curve Optimizer any guides / experience

[harm9963]

Fresh installed insider build , basically reinstalled windows , stock voltage still , stock clocks , only AMD OC menu ,and power supply setting from Ryzen Dram Calculator , also no PBO .

@harm9963 i foresaw that when I bought my UPS. Mine is 1050w with sinusoidal wave. I'm able to run my machine at max, I also have a Mac attached to it and a huge 43.4 super ultra wide monitor.

Called support, they want me to make sure outlet is grounded, will go to home depot , spend 4 dollars for outlet tester .

 

[jesdals]

Temps is evry thing tho - we had a sub zero winther day here - so gave it a go

same settings - but simply lower room temp

 

[Durvelle27]

I’ve been playing around with it

On my 5800Z I can do -25 on all cores which helps me hit 5040MHz which lower power

 

[Zach_01]

I’ve been playing around with it

On my 5800Z I can do -25 on all cores which helps me hit 5040MHz which lower power

View attachment 183967

Those VIDs are just requests as we already said many times. And no one can tell anything useful from your screen shot.

What is the “Core voltage (SVI2 TFN)” and what is the CPU PPT/EDC/TDC?
Temperature?

 

[Durvelle27]

Those VIDs are just requests as we already said many times. And no one can tell anything useful from your screen shot.

What is the “Core voltage (SVI2 TFN)” and what is the CPU PPT/EDC/TDC?
Temperature?

I’ll get more later

 

[harm9963]

View attachment 183974
View attachment 183975
I’ll get more later

Use log .

 

[Durvelle27]

Use log .

Will do

 

[harm9963]

Will do

Example of my HWiNFO64

 

[Durvelle27]

Example of my HWiNFO64

I no longer have a GPU in the rig so once i have a GPU in it i'll post back

 

[Zach_01]

View attachment 183974
View attachment 183975
I’ll get more later

Even though EDC is pretty high, PPT is around stock value (if true, I can’t see PowerReportingDeviation) and temp is somewhat ok under 80C.
Have you tried just to limit EDC? Everything else as is. Try 140-150A.
I’m not suggesting this for better performance, but for better protection of the chip. Longevity maybe.

Common mistake is to observe only min/max values during a test. Average values have their meaning too. For example higher avg effective clock would mean more sustained clocks. And many others are useful too for different kind of evaluation.

 

[juanyunis]

@Zach_01 I found the reason for L3 cache speed drop, it is because of EDC, if we increase the TDC, we need to increase EDC. For example, what i found that worked is using the math formula "rule of 3", I knew that the stock values for my 5950X were 95 TDC and 145 for EDC, then using the new value of 140 for TDC I calculated the EDC at 215, and the cache speed went back to original value.

Stock Custom PBO
===============================
TDC 95 | 140
-----------------------------------------------------
EDC 145 | 215
-----------------------------------------------------

Also If use motherboard limits in PBO, it gives me the same values so I guess is by design.

 

[harm9963]

TDC 95 | 140
---------------- used setting , results below.
EDC 145 | 215

My old BIOS 5809 was better vs 5821 , but then again , beta phase's , learning as we go

 

[juanyunis]

@harm9963 looks like.
However if you compare this to your previous Aida result this one has more L3 cache speed. In the previous one using 5821 you got values on the 300GB/s range now you are getting close to 700GB/s.

So it does prove my point, TDC/EDC ratio matters for L3 cache speeds.

 

[harm9963]

@harm9963 looks like however if you compare this to your previous Aida result this one has more L3 cache speed. In the previous one using 5821 you got values on the 300GB/s range now you are getting close to 700GB/s.

So it does prove my point, TDC/EDC ratio matters for L3 cache speeds.

Good job


Other side affect is watts , I set for 210 watts , it only used 197 watts

Room temp is 75F .

 

[juanyunis]

Good job


Other side affect is watts , I set for 210 watts , it only used 197 watts

Room temp is 75F .

Thanks. We are all working together to optimize our zen 3 processors .

By the way you didn't lost any performance at all or gained more temperature. Are you still using curve optimization? Also what are your settings? (voltage, cpu llc, scalar, max boost override, platform thermal limit)

 

[harm9963]

Thanks. We are all working together to optimize our zen 3 processors .

By the way you didn't lost any performance at all or gained more temperature. Are you still using curve optimization? Also what are your settings? (voltage, cpu llc, scalar, max boost override, platform thermal limit)

210 140 215 / -30 AMD OC menu, and Ryzen Dram Calculator power setting, thermal limit 100 , everything else stock.

Did some fine tuning, lower the LLC 1,power switch to 300 , Good job again
Update went back to LLC 3 /power switch to auto !

 

[Zach_01]

@harm9963 you do know that with paint app, if you past your screenshots there you have the ability to write with prettier letters with different sizes and color and with or without text background. It’s text function on Paint.
Will make your posts nicer and easy to read...

 

[thesmokingman]

@harm9963 interesting! thank you for sharing, so you think that it might be a BIOS bug? in my case using the motherboard limits I get stunning results for Cinebench R20 / R23, great CPU-Z and excellent AIDA results at the cost of getting close 90C temp, but I guess is fine.

View attachment 183910 View attachment 183911 View attachment 183912 View attachment 183913 View attachment 183914

Still using additive voltage I see. Be warned, you can still degrade the chip with PBO just by forcing it to use a +offset.

 

[harm9963]

New BIOS 5830 , nice boost , no water cooling , just AIO .

 

[juanyunis]

Still using additive voltage I see. Be warned, you can still degrade the chip with PBO just by forcing it to use a +offset.

Nope, that was auto voltage and auto llc. I stopped using positive offset the moment I was told it was bad, so that is PBO and bios alone.

 

[thesmokingman]

Nope, that was auto voltage and auto llc. I stopped using positive offset the moment I was told it was bad, so that is PBO and bios alone.

Its not my cpu but you are obviously getting a huge voltage input from somewhere.

 

[juanyunis]

In not my cpu but you are obviously getting a huge voltage input from somewhere.

It could be by using high EDC (motherboard limits), it is basically the one that gives more multicore score for me and more cache speed.

 

[harm9963]

love new BIOS 5830 !

 

[jesdals]

Another cold day gave room for some more low temp testing - so far W250 T200 E130 i best - above did not improve multi score

with the 6900xt my chipset is never that cold in normal condition

 

[juanyunis]

Another cold day gave room for some more low temp testing - so far W250 T200 E130 i best - above did not improve multi score
View attachment 184192
with the 6900xt my chipset is never that cold in normal condition

That is just unreal, what settings for voltage and PBO, curve? Also run a an Aida test to see l3 cache speed.