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Haswell Overclocking Guide [With Statistics] - Page 95

post #941 of 19540
Mr. Darkwizzie! What chess engine are you using? How are you using it for stress testing? Are you letting it play against itself or against another engine or analyze the moves of actual matches or what? Are there settings you noticed will cause it to crash more? Did you try more than one engine to see if one crashes more than the others?
post #942 of 19540
Quote:
Originally Posted by Darkwizzie View Post

Bro, we're all new. Haswell is new. cheers.gif

Hopefully this is coherent, I've past vegetable state a few hours ago.

Thanks mate. That was very helpful. I was confused with the uncore because the asus guide recommended to keep it in that range and to also leave its voltage on auto.

Looks like it is coping at 4400 at the moment. For my next increase i will lock the uncore at stock. Ive a custom loop so i hope ill reach a stable everyday 4500 oc and move on to memory and gpu.

Thanks again.

It is 11pm here smile.gif
post #943 of 19540
Thread Starter 
Quote:
Originally Posted by deepor View Post

Mr. Darkwizzie! What chess engine are you using? How are you using it for stress testing? Are you letting it play against itself or against another engine or analyze the moves of actual matches or what? Are there settings you noticed will cause it to crash more? Did you try more than one engine to see if one crashes more than the others?

Hey deepor.

 

I am using Arena 3.0 GUI which is free.

I am also using Houdini 3.0 for stressing because it's what I use for real life workloads. I use that as stressing, and Houdini 3 is the strongest engine out there today. If the author can push more performance out of it by juicing the CPU to do more work, you bet the author would do it. The point is to simulate, realistically, how much load, temps, stress, you would end up putting on a CPU in real life in a worst case scenario and I think Houdini does it well considering it does not elevate temps to insane amounts like synthetics do. So if I get 70C, I know I won't get higher than that gaming, or doing other stuff.

 

I have not tested other engines, candidates could be Stockfish, Rybka, Komodo, Critter. I'm guessing it won't make a big difference but I can test it later if you want.

 

When you have engines play against each other what happens is, when the game switches sides, there is a momentary pause between calculations, like when it's now black's turn, there will be a second worth of time where CPU doesn't calculate. So I believe having one engine calculate nonstop would be best for stability. One way to acheive that is to set the time for the game to infinite, and stop when you're done. You can also set 5 hours per move and it'll stop after 5 hours.

 

However running a chess tournament where engines go head to head seems to stress more than I thought too. I'm giving it a variety of workloads right now.

 

The position I typically use for infinite analysis is the opening position, move 1 for white. Just don't pick some stupid position where the game is basically over. For engine vs engine matches, of course, we start with opening position and play like a regular chess engine match. If you are interested, I made a quick tutorial to those who have never done any chess stuff.

 

http://www.youtube.com/watch?v=tZJLrBAiCN0

 

One of the reasons why I use Chess instead of encoding is because I don't encode with CPU only to simulate all cores. Well, I rarely encode to begin with, but when I do, I use OpenCL so CPU doesn't go to 100%. But I can force CPU only for stressing though. Plus, I have chess already installed and I know chess pretty well, so there's no hassle with installing or learning, etc. Oh, and I actually use Chess, lol. If I crash at chess, I have a problem because my work still crash when I'm asleep. if I only crash in CPU only encoding, that doesn't really matter as much because I don't do CPU only encoding even if I do encode.

 

I personally find it fun to just play around even when I'm not analyzing things or doing large-scale tournaments. It's a mighty fine CPU benchmarks, it can even accurately pinpoint a performance change for each multiplier increase in uncore. You try to benchmark CPU performance in games, you'll have a hard time already, because more CPU is used in AI heavy scenes typically full of action which is hard to replicate AND games are still typically more GPU reliant, expect less FPS change... but what if I'm changing uncore which affects performance way less than core? You will never see a gradual FPS increase as I gradually increase uncore.


Edited by Darkwizzie - 8/20/13 at 6:38am
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post #944 of 19540
Thread Starter 
Quote:
Originally Posted by tomxlr8 View Post


Thanks mate. That was very helpful. I was confused with the uncore because the asus guide recommended to keep it in that range and to also leave its voltage on auto.

Looks like it is coping at 4400 at the moment. For my next increase i will lock the uncore at stock. Ive a custom loop so i hope ill reach a stable everyday 4500 oc and move on to memory and gpu.

Thanks again.

It is 11pm here smile.gif

Yes, Asus' stance seems to be, if you don't keep Uncore within a range of the core, you will bottleneck. if you check out my first post in this thread you will find tons of proof that this is not true. The concept is interesting but it just doesn't apply in the real world.

 

Yes, lowering uncore will decrease performance. How much? 1400mhz uncore speed increase is roughly equivalent to 100mhz increase in core speed. The difference is that small.

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XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
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14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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Hard DriveHard DriveHard DriveCooling
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CoolingCoolingCoolingCooling
XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
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post #945 of 19540
finished Crysis 3 Campaign from beginning to end with my current OC without a single BSOD or a driver crash or anything out of the ordinary. HAPPY!

Settings are as follows.
CPU: 4770K
Mobo: Asus ROG Maximus VI Hero bios ver.711
Core multi: 44x
Vcore: 1.280V adaptive in BIOS. voltage spikes at 1.389V while playing Crysis 3 (seems the rumours are true that it is using AVX). This is what HWiNFO64 shows as VID btw.
Uncore: 39x
Uncore voltage: 1.075V
Input Voltage: 1.850V (AUTO gave a BSOD right at the training area before starting the campaign. 1.850V might be too much but I'll leave it there)
RAM: Corsair Vengeance 4GBx4 @XMP1600MHz 9/9/9/24/2T 1.50V
Everything else: AUTO
Crysis3 play time: about 7-8hrs I'd say

Max temps: 77C (ambient 27.8C) but that's in the last couple of hrs. The following sensor info is while running the game tonight.



Darkwizzie please update my record in the graph. I will be keeping this until i get a BSOD.
post #946 of 19540
What does your Vcore say down below? I am curious as to the difference between the VID and the Vcore on Haswell. I have also theorized that the VID is the Vcore on some boards, because my Vcore behaves weirdly and even drops down to 0.000V on idle. I am getting a multimeter to measure directly from the board. In the mean time we want everyone to give Wizzie the VID and Vcore readings so we can see the variation.
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post #947 of 19540
Just want to throw this out there but has anyone try using the intel extreme utility for stress testing. I just used it yesterday after seeing someone else made a video and recommend it on linus forum. The result are similar to what I got stressing it with chess. I bsod around 2.5 hour both in chess and intel extreme. Up the vcore a little to 1.26 and it has been stable for 8 hours now, 8 hours is my time limit since I rarely use the computer more than 8 hour a day and don't leave it on all the time. I stop stress testing with prime and occt because my temp just skyrocket with my h100. However, on my 3770k for a whole year (doing my normal workload and gaming) it never bsod even though I never pass prime or occt stress test. With intel extreme and Darkwizzie chess program i get almost exact temp and result. Just figure it could be something other might be interested in since it is a lot better with temp. Also if I post official result using the intel extreme would that be a valid entry?

Second, yea Bangbangplay, I think VID in hwmonitor might be vcore because it is the exact same voltage as reported by cpuz. I am now at work so can't post pics, but it has been bothering me too. I will post picture and get everyone idea on it. Lately the monitoring software just seem to be a bit unreliable at the moment since it seem they have no new release since haswell was release. I don't trust how up to date they are.

Finally, I know we weren't suppose to but I did a quick 30 min stress test with adaptive on and my voltage did not jump using chess as darkwizzie say his did. Voltage and temp stayed the same. I really don't understand adaptive, from what I read it is suppose to be use instead of offset but I do not see that happening. Setting offset for me just push my vcore to that voltage. Example, I had 1.25 but cpuz report it at 1.248 and setting offset +5 give 1.253 and setting offset -5 give 1.243 based on cpuz reading. I see no difference in just setting my vcore at 1.255 or 1.245 as it give the same reading. I don't know if it is my bios on the z87 mpower or I don't know how to use adaptive.

my current setting are : 45 multi, vcore 1.26, 35 uncore, vccin at 1.8, uncore volt at 1.15, memory at 1600, dram voltage at 1.65. Everything else is left at auto.
Edited by kinzx - 8/20/13 at 11:39am
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post #948 of 19540
Came up with stable gaming clock. 10h of non stop bf3 64 man meat grinders biggrin.gif - Yeah, lol, i had a spare time biggrin.gif
4.8ghz 1.39v
What do you think about the 1.4 mark, regarding degredation? Becasue my temps didnt break 70c while gaming.
 
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post #949 of 19540
Quote:
Originally Posted by Zvejniex View Post

Came up with stable gaming clock. 10h of non stop bf3 64 man meat grinders biggrin.gif - Yeah, lol, i had a spare time biggrin.gif
4.8ghz 1.39v
What do you think about the 1.4 mark, regarding degredation? Becasue my temps didnt break 70c while gaming.


Do you mean just upping the voltage to 1.4 and leaving the oc at 4.8. Unless you trying to up the oc I personally don't see the point of pushing more volt through it if you stable now. I myself don't think 1.4 will kill your chip but more volt will shorten the lifespan of your chip. Having say that, how long you plan on keeping it, myself i am on a 3-4 year upgrade cycle and I do not see the chip degrading so much in that time. I would not go over 1.45, actually over 1.4 volt is my limit with these chip as there is not enough data out there of the effect over 1.45. To answer your question, I myself will run at 1.4 vcore as long as my temp are good.
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post #950 of 19540
Quote:
Originally Posted by BangBangPlay View Post

What does your Vcore say down below? I am curious as to the difference between the VID and the Vcore on Haswell. I have also theorized that the VID is the Vcore on some boards, because my Vcore behaves weirdly and even drops down to 0.000V on idle. I am getting a multimeter to measure directly from the board. In the mean time we want everyone to give Wizzie the VID and Vcore readings so we can see the variation.
doesn't show a Vcore reading. looks like HWiNFO cannot read from the board's sensor.

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