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-   -   [der8auer] Per CCX overclocking (https://www.overclock.net/forum/10-amd-cpus/1729680-der8auer-per-ccx-overclocking.html)

Heuchler 07-17-2019 12:17 PM

[der8auer] Per CCX overclocking
 
5 Attachment(s)
RYZEN 3000 OC per CCX rather than all-core

Update: Extreme Caution - doesn't seem worth risking your CPU over 200 or 300 MHz

Quote:

Originally Posted by The Stilt (Post 28055052)
In short: Unless you are certain that you are using manual voltage mode (VRM controller, from the bios) do not use the application ("worktool").

It is a CPU killer if the VRM controller is running in offset-mode.

I tried it with the voltage mode set to offset (or "Auto") and setting 4200MHz for CCX0/1 and 4050MHz for CCX2/3 resulted in 1.405V actual Vout during Cinebench R20.

The voltages during the default OC-Mode remain sane, regardless of the VRM controller operating mode.
This hack however causes the voltage governor to go insane.

I have no idea why someone thought it would be a good idea to release this to the public...




updated with AthyraE resuts over at reddit [Dphotog for pointing it out]
https://old.reddit.com/r/Amd/comment...mmend_massive/

4 CCXs stable at 4525, 4500, 4350, and 4325 MHz at 1.38V

CINEBENCH R15 and R20 results @ 4.3GHz vs per CCX OC

Dphotog 07-17-2019 01:25 PM

THIS IS AMAZING I JUST READ THE COMMENTS FROM REDDIT OMG THE NUMBERS ARE SO GOOD NOW!
https://www.reddit.com/r/Amd/comment...mmend_massive/

The Pook 07-17-2019 02:09 PM

Quote:

Originally Posted by Dphotog (Post 28048050)
THIS IS AMAZING I JUST READ THE COMMENTS FROM REDDIT OMG THE NUMBERS ARE SO GOOD NOW!
https://www.reddit.com/r/Amd/comment...mmend_massive/


WHY ARE WE YELLING

ShrimpBrime 07-17-2019 02:34 PM

Quote:

Originally Posted by The Pook (Post 28048112)
WHY ARE WE YELLING

BECAUSE IT'S AMAZING BRO!!!

WannaBeOCer 07-17-2019 02:41 PM

I want a Zen 2 based quad core with 1 CCX.

runwiththedevil 07-17-2019 02:50 PM

Damn interesting. I can't test it yet in my 3900X, but I can see gaming performance to receive a good boost!

Heuchler 07-17-2019 03:10 PM

a few days ago Joey Riz put up a video in which he claims his
RYZEN 9 3900X @4.7 GHz only one CCD enabled (so, 6-core with SMT) on AIO

he later said "both CCDs enabled using ryzen master, I have CCD0 set too 4.5GHz and CCD1 at 4.3GHz at 1.35volts"

Unoid 07-17-2019 03:47 PM

I just tried 4.3 all 8 cores of 3800x at 1.35v all via ryzen master manual and it crashed on cinebench. I don't have much faith i'll get one ccx to 4.4-4.5ghz and the other ccx at 4.2 at 1.4v

JackCY 07-17-2019 03:53 PM

Problem is this should have been in the UEFI from day 1. No as a manufacturer only OC tool that gets leaked. Ryzen master why offering many things seems to be a giant resource hog from what I read. OC tools need to be simple, minimal with no performance impact, not some bloated scifi GUI app. Simplicity and function over form. Though the CCX OC Tool being made with QT is far from simple and small, it's a gigantic over 179MB compressed app, what the hell.

Unoid 07-17-2019 04:10 PM

Quote:

Originally Posted by JackCY (Post 28048290)
Problem is this should have been in the UEFI from day 1. No as a manufacturer only OC tool that gets leaked. Ryzen master why offering many things seems to be a giant resource hog from what I read. OC tools need to be simple, minimal with no performance impact, not some bloated scifi GUI app. Simplicity and function over form. Though the CCX OC Tool being made with QT is far from simple and small, it's a gigantic over 179MB compressed app, what the hell.

Only reason to use QT is because it's easy and cross platform, likely made on linux.

I agree with your opinions of lightweight OC tools and lack thereof.


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