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== Haswell-E Overclock Leaderboard & Owners Club == - Page 345

post #3441 of 22010
Quote:
Originally Posted by geggeg View Post

Sweet stuff, Nick. Did you douse the rad in ice? Or have an open reservoir filled with ice?

Thx, just a coolbox with submersible pump and loads of ice!!
Have you tested yours yet??

Quote:
Originally Posted by MrTOOSHORT View Post

I think the addiction has started, time for intervention!biggrin.gif

Winter is coming here soon along with -25'C temperatures, that's when you put antifreeze in the loop and take the tower outside.thumb.gif

If i took mine outside it would get wet through from all the rain!!
post #3442 of 22010
Is it normal for tri SLI to significantly lower 3dmark physics score? Mine dropped from 21K (single GPU) to 16.5K on multi GPU.
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post #3443 of 22010
I'm going to move down my clock for 24/7 I suppose. Even though I can pull 4.7 @ 1.375V, it doesn't seem worth it compared to what I can do with 4.5. Both passing Aida64 and real bench for an hour:

1.375V @ 4.7GHz CPU core
1.40V @ 4.6GHz CPU cache
1.95V Input voltage
70°C average CPU temp under full system load
825 watts under full system load

1.225V @ 4.5GHz CPU core
1.325V @ 4.5GHz CPU cache
Stock Input voltage
55°C average CPU temp under full system load
725 watts under full system load

My chip pulls 100 more watts at 4.7GHz compared to 4.5GHz. doh.gif
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post #3444 of 22010
I don't get it. My chip is just weird.


I was having trouble with 1.35v @ 4.5Ghz so I went up to 1.375v @ 4.5Ghz.

Then I tried going at 1.325v @ 4.5Ghz and it did just fine with aida64 and real bench w/ open CL acceleration disabled. It is even stable at 1.33v @ 4.625.


It's strange it's fine at lower voltages than higher ones at the same settings. Even though 1.375v doesn't go above 85C rolleyes.gif


Real bench still refuses to play nice with openCL. My drivers still crash even if I run completely stock standard everything even without GPU overlocks. I'm convinced windows 8.1 and nvidia + real bench is just broken. Completely fresh install too.
Edited by Syan48306 - 10/19/14 at 8:40am
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post #3445 of 22010
Real bench isn't broken for me on 8.1
post #3446 of 22010
Quote:
Originally Posted by Syan48306 View Post

I don't get it. My chip is just weird.


I was having trouble with 1.35v @ 4.5Ghz so I went up to 1.375v @ 4.5Ghz.

Then I tried going at 1.325v @ 4.5Ghz and it did just fine with aida64 and real bench w/ open CL acceleration disabled. It is even stable at 1.33v @ 4.625.


It's strange it's fine at lower voltages than higher ones at the same settings. Even though 1.375v doesn't go above 85C rolleyes.gif


Real bench still refuses to play nice with openCL. My drivers still crash even if I run completely stock standard everything even without GPU overlocks. I'm convinced windows 8.1 and nvidia + real bench is just broken. Completely fresh install too.

My chip does the same thing. 4.7 at 1.375V is stable, 4.7 at 1.4V+ is not. Even though temps are in check, hottest cores around 85°C. I think these chips just don't like it above ~75°C very well.

And also, Realbench is working for me on 8.1.
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post #3447 of 22010
Quote:
Originally Posted by Raja@ASUS View Post

Real bench isn't broken for me on 8.1

Both Realbench 2.0 and 2.2 has this problem. I'm not the only one who has this problem either. There's many documented cases of this issue with Realbench and the Lexmark portion of the test. The worst part is completely stock standard with the ram at 2133 and no gpu overlock, it's still having this issue.

http://rog.asus.com/forum/showthread.php?41322-Luxmark-OpenCL-problem

This apparently fixes the issue:
Quote:
When we get a crash in LuxMark, and it's caused by an Nvidia driver crash where the video "recovers", this is because the driver for the card did not respond within the stock 2 second default time for the Nvidia drivers.

After reading the links below, I determined that TdrDelay was something I needed to add to my registry. Also, TdrLevel, when set to "0" will disable TDR on the card. So, if the card freezes, it will freeze hard. I didn't want that, I did want to avoid some crashes caused by hangs that may be < 10 seconds, but > 2 seconds. Feel free to tweak the setting by changing the "a" value to something less, if you want < 10 but greater than 2 seconds of delay. I rebooted after changing it, I don;t know if this is required, but just to make sure.
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post #3448 of 22010
Quote:
Originally Posted by Creator View Post

Is it normal for tri SLI to significantly lower 3dmark physics score? Mine dropped from 21K (single GPU) to 16.5K on multi GPU.

21K to ~20.8K would be more normal going single to tri-sli. There is an issue with your set up.
    
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post #3449 of 22010
Quote:
Originally Posted by MrTOOSHORT View Post

21K to ~20.8K would be more normal going single to tri-sli. There is an issue with your set up.

I think I just figured out. Seems like the adaptive power setting was kicking in half way through the physics benchmarks causing my fps to drop from ~65 to ~45. Also G-Sync doesn't work with 3dmark. If I enable that I get capped at 60fps. With power management set to max performance and G-Sync off for 3dmark, I'm getting a consistent 21k with or without SLI now.
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post #3450 of 22010
Lik
Quote:
Originally Posted by Syan48306 View Post

Both Realbench 2.0 and 2.2 has this problem. I'm not the only one who has this problem either. There's many documented cases of this issue with Realbench and the Lexmark portion of the test. The worst part is completely stock standard with the ram at 2133 and no gpu overlock, it's still having this issue.

http://rog.asus.com/forum/showthread.php?41322-Luxmark-OpenCL-problem

This apparently fixes the issue:


Works for me fine without needing any kind of fix.
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