AMD Curve Optimizer any guides / experience

[jesdals]

New AMD chipset driver - on x570 it seems stable P200T125E115

 

[dgianstefani]

NEW ASUS DARK HERO MB, OC switching is amazing !

Warm day to, room is 78f !

New AMD chipset driver - on x570 it seems stable P200T125E115
View attachment 187257
View attachment 187258

Bios settings?

 

[jesdals]

Bios settings?

Se above except for P200T125E115 the rest is the same

 

[Space Lynx]

@harm9963 wow, thank you so much for the settings I think I have a winner, Best CPU-Z score I have ever had, great Cinebench R20 and R23 scores, voltage CPU Core SVI never goes beyond 1.469V) and temperatures are okish, never reaching 90C which is OK for Zen 3 CPU (According to AMD Technicians) and not thermal throttling.

I think you might have a better cooling solution and your ambient temperature is lower, I'm thinking of getting the Artic Liquid Freezer II 360mm. Could you tell me what you have? Thanks!

1. Voltage: Auto
2. LLC: Auto
3. 200/200/145 for PPT/TDC/EDC
4. Curve -30
5. Scalar: Auto
6. Max Boost Override: +50Mhz
7. Platform Thermal: Auto

View attachment 183490 View attachment 183491
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Can you pass prime95 with those settings?

 

[juanyunis]

@lynx29 at the time it did. The problem with the CO is when leaving the machine idle. I'm no longer running those settings. I found better tools/procedures to test stability while using CO. I'm running the following:

X570 Aorus MASTER rev 1.2 with BIOS F32
Voltage: Auto
CPU LLC: Auto
PPT: 210
TDC: 150
EDC: 170
Scalar: Auto
CO: -15, -20, -20, -15, +2, -15, -25, -25, -25, -20, -20, -20, -25, -25, -15, -15
Max Boost: +50Mhz
Thermal Platform: 85C

Using F33a beta bios with AGESA 1.2.0.0 I get better curve but I rolled back to F32 official bios.

These settings pass prime95, OCCT, AIDA, etc.

 

[Space Lynx]

@lynx29 at the time it did. The problem with the CO is when leaving the machine idle. I'm no longer running those settings. I found better tools/procedures to test stability while using CO. I'm running the following:

X570 Aorus MASTER rev 1.2 with BIOS F32
Voltage: Auto
CPU LLC: Auto
PPT: 210
TDC: 150
EDC: 170
Scalar: Auto
CO: -15, -20, -20, -15, +2, -15, -25, -25, -25, -20, -20, -20, -25, -25, -15, -15
Max Boost: +50Mhz
Thermal Platform: 85C

Using F33a beta bios with AGESA 1.2.0.0 I get better curve but I rolled back to F32 official bios.

These settings pass prime95, OCCT, AIDA, etc.

How did you know the CO negatives for each core? Is it that new tool that just came out?

ClockTuner 2.0 for Ryzen (CTR) Guide

In this article, we will talk you through ClockTuner for Ryzen version 2.0, a helpful tool that allows you to further refine ZEN2, ZEN3 and Ryzen 3000/5000 performance....

www.guru3d.com

 

[juanyunis]

@lynx29 basically you put -5 on all cores CO and test each core and if all of them passes, you add another -5. If one of the cores fails then you switch to per core CO and revert -5 to the core that failed you and then keep going.

In my case my core 4 (0 to 15) wasn't able to run stable using negative values or even 0, so I had to put +2. AGESA 1.2.0.0 fixes this for me but because i reverted to F32 I had to put +2 again.

 

[AMD718]

Would guess it all comes down to the silicon lottery with me being able to run -30 allcore along with better cooling (?)

The last time i was lucky was with a newcastle cpu running at above 3ghz on air cooling!
View attachment 187113

Yes, that would certainly help. I cannot run -30 all-core. It will run great during benchmarks, and improves my scores a good bit, but when the computer is idle it will reset / WHEA error on my highest priority cores. Also, I'm assuming you have better cooling than me. I'm running on regular old air (NH-D15) and using a quiet fan profile.

 

[Makaveli]

This is a great thread with alot of good info.

Question if you set PBO to use motherboard limits.

The settings look high compared to what i've seen you guys using.

on CO

Core 04 is my fastest and Core 01 second fastest.

-17 on Core 04
-15 on Core 01
-10 on the rest of my cores

 

[jesdals]

I found even with extreme good cooling there was no benefit for settings above 125 on Edc and Tdc, but it differ from motherboard to motherboard model and cpu lottery

 

[Makaveli]

I found even with extreme good cooling there was no benefit for settings above 125 on Edc and Tdc, but it differ from motherboard to motherboard model and cpu lottery

Good to know.

With my current settings its stable and performance is good the only thing that i see is high temps on a cinebench test. I will hit 90c on that. if I test with the aida64 stress test with AVX I hit 80c and everything else is well below that.

 

[blu3dragon]

Question if you set PBO to use motherboard limits.

If you are OK with your temps, then motherboard limits are fine to use and should give you the best multi-core performance in all cases.
I would do some single core stability testing with the curve offsets you are running though, and potentially reduce max cpu boost clock override.
-17 on your fastest core along with +200 Max cpu boost clock override seems aggressive but this is going to be chip dependent, but if stable that is a pretty sweet result.
Typically people are able to set more negative values on the less favored cores than on their favored (highest performance) cores as those are already more aggressively tuned out of the box.

 

[Makaveli]

If you are OK with your temps, then motherboard limits are fine to use and should give you the best multi-core performance in all cases.
I would do some single core stability testing with the curve offsets you are running though, and potentially reduce max cpu boost clock override.
-17 on your fastest core along with +200 Max cpu boost clock override seems aggressive but this is going to be chip dependent, but if stable that is a pretty sweet result.
Typically people are able to set more negative values on the less favored cores than on their favored (highest performance) cores as those are already more aggressively tuned out of the box.

I need to do more testing on the off sets these are first set of numbers I tried. And pretty much left it at that to check stability so I've been on these for a week now no crashing on idle or Whea errors and its stable.

Choose 200Mhz for the Max cpu boast and can hit 5.05Ghz and that seems stable also. I under the impression that you set the higher negative offset on your faster cores.

As for silicon quality as well we all know it varies.

The CTR app for whats is worth says I have a golden sample if that means anything.

 

[blu3dragon]

I need to do more testing on the off sets these are first set of numbers I tried. And pretty much left it at that to check stability so I've been on these for a week now no crashing on idle or Whea errors and its stable.

Choose 200Mhz for the Max cpu boast and can hit 5.05Ghz and that seems stable also. I under the impression that you set the higher negative offset on your faster cores.

As for silicon quality as well all know it varies.

The CTR app for whats is worth says I have a golden sample if that means anything.

View attachment 187705

Nice, mine comes back as silver and with a +200 offset I actually need to set a positive curve offset on 2 cores if I want 100% stability.

 

[harm9963]

Dynamic OC switching/ -20
still working and still learning with this feature, ASUS DARK HERO.
plus warm day ,75f room !

 

[harm9963]

Dynamic OC switching/ -20
still working and still learning with this feature, ASUS DARK HERO.
plus warm day ,75f room !

 

[juanyunis]

I have upgraded to EK AIO 360 and it did improve my scores. However my ambient temp is too high (not using A/C).

 

[harm9963]

Only -20 , DOCS , BIOS auto

 

[blu3dragon]

I finally decided to make a script to help test each core individually with prime95.

So far, this, and then TM5 running on a single core, seems to be the best way to root out an unstable curve offset.

It's pretty basic, but I'd be interested to see any results or other feedback: https://www.overclock.net/threads/s...script-for-zen-3-curve-offset-tuning.1777112/

 

[Mussels]

I finally decided to make a script to help test each core individually with prime95.

So far, this, and then TM5 running on a single core, seems to be the best way to root out an unstable curve offset.

It's pretty basic, but I'd be interested to see any results or other feedback: https://www.overclock.net/threads/s...script-for-zen-3-curve-offset-tuning.1777112/

the tiny upload link in that thread failed to work - can you upload it somewhere else?

 

[juanyunis]

Happy to report that CTR 2.1 beta 6 (for early subscribers only, I'm a patreon supporter of @1usmus) is looking pretty good. I was able to get way more performance than using PBO+CO. Take a look at mi Cinebench R23.

Using CTR 2.1 beta 6
=====================
PPT: 200
TDC: 150
EDC: 250
Temperature: 85C
PX: 5000/4850/4800 at 1480mV (For single boosting)
P2: 4650/4600 at 1356mV
P1: 4575/4525 at 1256mV

I just wanted to add Cinebench R20

 

[blu3dragon]

the tiny upload link in that thread failed to work - can you upload it somewhere else?

I just updated https://www.overclock.net/threads/s...script-for-zen-3-curve-offset-tuning.1777112/ with a new version.

Attached it here.

 

[Mussels]

I just updated https://www.overclock.net/threads/s...script-for-zen-3-curve-offset-tuning.1777112/ with a new version.

Attached it here.

that worked - if its unstable does it identify which core/thread it was on?

 

[blu3dragon]

that worked - if its unstable does it identify which core/thread it was on?

Yes, although I need to do something to record a log of where it is up to in case the whole computer crashes, it does monitor the results.txt file that prime95 writes and then reports any error as well as copying that to a new file named per core and loop iteration.

 

[Octopuss]

I have my 5800X up and running, and would like to do a little undervolting, however I am fairly confused.

1) How can I tell how much of an offset to set for each core? From what I read, it's during idle when too much can cause instability, so how the hell do I test that, and how can I even know what core is malfunctioning?

2) I learned there is something like quality of cores and that Hwinfo can show that, but I can't make ANY sense out of this:

What the heck does all this mean? I've already looked at Ryzen Master and cores 1 and 7 are the best, but these numbers I don't understand.

3) When taking the cores quality into consideration, which ones are to be run with higher lor lower curve offset? I keep reading conflicting information about this.

4) Is it enough to just play with the curve optimizer in my use case? My head is already like a baloon staring into the BIOS.



I have no idea what kind of sample do I have, probably utter shit, because all core boost in Prime95 is 4300MHz on average, and highest frequency frequency shown in Hwinfo over some period of time (not constant load) is 4850MHz.