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Haswell Overclocking Guide [With Statistics] - Page 990

post #9891 of 19603
I was checking if I was setting all of those options properly. Some I didn't know if I should be changing or not. I did read the entirety of this guide as you wrote it Dark, thanks!

Just saw your editted post GeneO thanks
Edited by Emolokz - 2/10/14 at 7:35pm
post #9892 of 19603
Just wanted to update my chart. While 4.7 was stable for my day to day task, it wasn't able to pass x264 unless I gave it extreme voltage.

So here is my updated info:

i7 4770k
Core Multiplier: x46
CPU VID: 1.390v
Vcore: 1.424v
Uncore Multiplier: 42x
Uncore Voltage: 1.23v
Cooling Solution: Water Cooled, Raystorm - AX240 + RX240 Rads
Stability Test: 20 Loops x264 64bit
Batch Number: Costa Rica / 3329B578
Ram Speed: 2400mhz / 10-12-12-31 Timings
Ram Voltage: Stock
Input Voltage: 1.900
LLC Setting: Level 7
Motherboard: Asus Maximus VI Hero


Edited by pkrexer - 2/10/14 at 7:58pm
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post #9893 of 19603
Quote:
Originally Posted by Darkwizzie View Post

Either way, it's a program people very very rarely use normally without stress testing, it ups voltage under synthetic, and is also a stress test.

I'm not trying to be rude/rash here, but how do you know that?
Yes, I suppose the stress test is semi synthetic, but if you are running P95 as DC, a error is the last thing you want, thus a stress test was added as a function. It is basically the same algorithm as running DC, with FMA3.


-(From the Mersenne/Prime95 forums)
Edited by kracker - 2/10/14 at 7:37pm
post #9894 of 19603
OK, I'm done trying to get anywhere with this CPU. I can't even boot with 1.45 VCore @ 4.6. That wasn't my goal, I just wanted to see if this thing would even cooperate with what I thought would be plenty of VCore. I just got a CPU on the low end of the bell curve. With all our talk about adaptive, I'm going to stick with an adaptive setup @ 4.2 and 1.30 VCore. It seems to like that. Thanks to those who offered some advice. I think I repped those people. thumb.gif
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post #9895 of 19603
Quote:
Originally Posted by pkrexer View Post

Just wanted to update my chart. While 4.7 was stable for my day to day task, it wasn't able to pass x264 unless I gave it extreme voltage.

So here is my updated info:

i7 4770k
Core Multiplier: x46
CPU VID: 3.9v
Vcore: 1.424v
Uncore Multiplier: 42x
Uncore Voltage: 1.23v
Cooling Solution: Water Cooled, Raystorm - AX240 + RX240 Rads
Stability Test: 20 Loops x264 64bit
Batch Number: Costa Rica / 3329B578
Ram Speed: 2400mhz / 10-12-12-31 Timings
Ram Voltage: Stock
Input Voltage: 1.900
LLC Setting: Level 7
Motherboard: Asus Maximus VI Hero

Try more vrin. 1.9 is low for 1.4
post #9896 of 19603
Thread Starter 
Quote:
Originally Posted by kracker View Post


I'm not trying to be rude/rash here, but how do you know that?
Yes, I suppose the stress test is semi synthetic, but if you are running P95 as DC, a error is the last thing you want, thus a stress test was added as a function. It is basically the same algorithm as running DC, with FMA3.


-(From the Mersenne/Prime95 forums)

How do I know what?

Claims made from me were:

1. It's a program very rarely used normally when not used as a stress test. You want to provide statistics to prove me wrong? You're the first person in this thread of near 10,000 replies that has hinted that you run Prime in your leisure time.

2. It ups voltage under adaptive (typo there). That's a demonstrated fact. While gaming, chess, rendering, folding, they do not. But Prime does.

3. It is also a stress test.

 

I've said very little in that comment that is remotely objectionable.

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post #9897 of 19603
Quote:
Originally Posted by jameyscott View Post

Try more vrin. 1.9 is low for 1.4

I've tried. Vrin does little for me. I've gone up to 2.2 vrin, If anything I lose stability.
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post #9898 of 19603
@Darkwizzie:

That is true, GIMPS may not be as big as folding@home etc, but I think it would be interesting for you to poke around Prime95's/GIMPS site and see exactly how many users crunch with it.

Also, what I was saying is not using Prime95's stress test will raise the voltages as "regular" DC tests also of course use FMA3.

Prime95 doesn't raise voltages, programs that take advantage of the new extensions in haswell raise them because it needs more, AVX2 and FMA3.

(Quote isn't working for me for some strange reason now)
Edited by kracker - 2/10/14 at 8:13pm
post #9899 of 19603
@Darkwizzie

- quoting appears to be broken for me.

P95 and IBT and even AIDA64 (except for CPU) will add voltage on to either adaptive or offset. It is best to use fixed voltage for these kind of tests. Also I found it only upped the voltage by about .025 at lower offsets. These are useless as synthetic stability tests for offset or adaptive because they add this voltage.

Hey, here is a probably worthless factoid related to my earlier question. You can set a minimum and maximum uncore multiplier. If you set the minimum lower than the Windows power management minimum processor state, the multiplier will not go below that. For instance I have my minimum uncore at 15 and my minimum processor state at 2GHz (20 multiplier) and the uncore frequency never dips below 2 GHz. So the windows power management minimum processor state applies to both core and uncore.
post #9900 of 19603
Thread Starter 
Quote:
Originally Posted by kracker View Post

@Darkwizzie:

That is true, GIMPS may not be as big as folding@home etc, but I think it would be interesting for you to poke around Prime95's/GIMPS site and see exactly how many users crunch with it.

Also, what I was saying is not using Prime95's stress test will raise the voltages as "regular" DC tests also of course use FMA3.

Prime95 doesn't raise voltages, programs that take advantage of the new extensions in haswell raise them because it needs more, AVX2 and FMA3.

(Quote isn't working for me for some strange reason now)

The number isn't really what I'm after, it's the percentage of people that run the program in their leisure time compared to the resulting temps/voltage increase. x264 is said to use AVX2 and that does not cause increase in voltage. If you use prime outside of stress testing then you know to count yourself out from any statement I make about Prime's load being 'unrealistic' as it is obviously realistic for you. For the guide, I try to make general statements that apply to as many people as I can, but I think anybody that uses prime on their own time knows their computer should be prime stable.

It is true there is no definition of 'synthetic' written in stone.

 

Quote:
Originally Posted by GeneO View Post

@Darkwizzie

- quoting appears to be broken for me.

P95 and IBT and even AIDA64 (except for CPU) will add voltage on to either adaptive or offset. It is best to use fixed voltage for these kind of tests. Also I found it only upped the voltage by about .025 at lower offsets. These are useless as synthetic stability tests for offset or adaptive because they add this voltage.

Hey, here is a probably worthless factoid related to my earlier question. You can set a minimum and maximum uncore multiplier. If you set the minimum lower than the Windows power management minimum processor state, the multiplier will not go below that. For instance I have my minimum uncore at 15 and my minimum processor state at 2GHz (20 multiplier) and the uncore frequency never dips below 2 GHz. So the windows power management minimum processor state applies to both core and uncore.

Just stress on manual and then move to adaptive if you want afterwards.

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CoolingCoolingCoolingCooling
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