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ROG Crosshair VI overclocking thread - Page 901

post #9001 of 17055
Quote:
Originally Posted by AndehX View Post

Is there a guide or anything anywhere that explains about pstate overclocking? Im reading here that people are using it, but I don't actually know what it is or how its better than normal overclocking. Any info would be appreciated.

This thread has some useful information in it.
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post #9002 of 17055
High Priority never freeze afaik. It's Real Time that does that.
post #9003 of 17055
Just want to comment on a couple of posts I saw while catching up this morning. I understand the sentiment of a couple of folks that are upset about the stability of the platform. That said, most boards are having similar problems and most new platforms have a lot of problems at launch. Many Intel platforms have problems at launch too (x79, x99 come to mind). Sometimes the companies don't make great progress on solving problems until things are in the hands of a many users. Sometimes they solve this via "soft launches" and whatnot where reviewers become the beta testers - but this has its downsides as well.

When I bought my Ryzen components I knew it was going to be a bumpy ride. I read through this thread before purchasing as well as some others. I ended up with the C6H almost ENTIRELY because of elmor and Asus's support on this thread. Frequent BIOS updates, feedback, answered questions, and useful utilities are some examples of this. I almost certainly would have gone with another brand if not for this support.

That said, my Ryzen stuff is still not in a 24/7 rig. It's on a test bench and it's not going into a rig until I can get it to work reliably with a modest overclock. I've had some regressions in the new BIOSes vs 1002 and I'm not happy with a few unpredictable behaviors and cold boot issues. I've found a little dose of patience and it's just an experimental rig for the time being. I must admit I'm kind of enjoying the ride and I've been trying to contribute by taking data when I can. I hope I can get it stable soon so it can get more use, but for the time being I'm enjoying things. The only thing that would upset me is to find out the boards have a physical defect that can't be fixed via firmware - but at the moment I haven't seen any indications of that being likely.
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post #9004 of 17055
Quote:
Originally Posted by matc View Post

Hi. 2 questions. Think I'm a lucky one. I'm on 1002 bios, 3200 cl14 mem (bdies) and 1700@3900 cpu volt 1.38 socv 1.10. Runs perfect with Windows 10 creator update but I want MORE! I cant get stable at 4ghz. I'm using pstate clocking running nice and cool but debating 2 things....
Should I flash to 0081 and see if get the 5% increase or should I tinker with blk overclocking and try to get 4ghz and 3600 memory OR should I stick as I am and be greatful it works fine???
Thanks.

Mate i cant get 3950+ stable at 1.45 with 1700X so GL biggrin.gif to have 3946 semi stable i use +0.281 offset atm **** Silicon is **** and u cant do anything besides throwing loads of volts at it and pray 4 pass LOL
Edited by lordzed83 - 4/13/17 at 5:51am
post #9005 of 17055
Quote:
Originally Posted by mus1mus View Post

High Priority never freeze afaik. It's Real Time that does that.

You really need to learn to quote man and read for that matter haha.

Lots of people on creator update are having freezes/stutter while running benchmarks that peg the cores, for me cinebench on real time would freeze completely then spit out a score, high priority didn't but it does now, not a total freeze either its on and off, will freeze for 5secs then keep going then freeze again etc etc. Still get the same score though so not a worry.
    
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post #9006 of 17055
Quote:
Originally Posted by matc View Post

Hi. 2 questions. Think I'm a lucky one. I'm on 1002 bios, 3200 cl14 mem (bdies) and 1700@3900 cpu volt 1.38 socv 1.10. Runs perfect with Windows 10 creator update but I want MORE! I cant get stable at 4ghz. I'm using pstate clocking running nice and cool but debating 2 things....
Should I flash to 0081 and see if get the 5% increase or should I tinker with blk overclocking and try to get 4ghz and 3600 memory OR should I stick as I am and be greatful it works fine???
Thanks.

Prospective maybe; 4ghz/3.9ghz is less than 3% but close to it. 4ghz/3.925 is 2% difference in clock speed. In the scheme of things really not that much or important. I know it is fun pushing to that 4ghz barrier but maybe in reality that is it. You have a very strong cpu there in the end.
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post #9007 of 17055
Quote:
Originally Posted by bluej511 View Post

So just ran cinebench and it does indeed freeze completely under high priority but it keeps going anyways and gives me pretty much the same score i had before, 1684 (this is without the bias in the BIOS). With my new background might as well put a post screen. Not sure why its freezing up under cinebench but ill give it a try in normal priority and see if it changes anything, a bit odd if you ask me.

Edit: It's perfectly fine running it in normal mode though.


on RS2 cpu stress bench gets temporary freeze , cinebench sometimes...
if you run realbench or prime95 with playing video file then sometimes pause and wind fast..
like you it pass the tests but sometimes pause
RS1 not happened
this bothered me too
post #9008 of 17055
I've been thinking about the LLC more (I've been running 4 and 5) and based on Raja's test results at LLC 5, I started thinking about running a considerably lower LLC (e.g. 2) but the only application this seems feasible is with a P-state overclock so you aren't throwing a substantial amount of wasted voltage at the system (which also happens without P-states and high LLC since it doesnt downclock at idle). I captured this image last night while monkeying around with stuff and based off of SVI2 vcore readings, there is 69mv of vdroop and I think this is at LLC 2 (I forgot to confirm that last night before starting a 40 test IBT at max that finished up after I left for work). With a multiplier clock, it idles at 1.425 but only needs 1.356 at full load (looks like even less since the average is 1.355 so I could probably drop it a tick).
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post #9009 of 17055
Quote:
Originally Posted by Elmor 
Dynamically changing offset is news yes, it is fixed +20 on all XFR capable CPUs. I have however noticed sometimes spikes and settling times, which is due to the curve smoothing algorithm from AMD.

Ambient 21°C, Radiator 21.5°C, Sense Skew enabled (Auto/defaults), "Power Safer" W10 profile

Idle:



Idle with WmiPrvSE.EXE background load:



Different CPU load profiles (power vs. temperature), x-axis not aligned:

Power

Temperature


Sorry for the typo, I meant Core 15 "odd". Cores 1-16 (15 = odd) in Statuscore correspond to cores 0-15 (15 = even) in Task-Manager. I meant core 15 in Statuscore (core 14 in TM). Statuscores uses different CPU instruction sets for even and odd core stress tests!
Edited by Timur Born - 4/13/17 at 7:48am
post #9010 of 17055
You can run Cinebench in Realtime. It will then suspend all rendering output display (and most other Windows software including mouse-movement) until the calculations are done. Only kernel level drivers and functions have higher priority then, which in turn can lead to higher scores.

It's a good demonstration of where a high priority hardware interrupt driven PS/2 mouse/keyboard can have advantages over USB driven ones.
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