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Old 01-08-11, 06:30 AM   #1
quadfour
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Question WoW in wine performance issue - chipset issue?

I'm trying to help a friend of mine with performance of WoW running under WINE. He has a much more powerful card, and a newer high performance mobo, but still can't keep up. Here's his specs:

Phenom 8450 CPU
EVGA Geforce GTX 460 1GB video (OC)
4G - 2 x 1Gb Corsair DDR2800, 2 x 1Gb Kingston DDR2800
Asus M3N-HT Deluxe with latest BIOS (nVidia 780a chipset)
Thermaltake 675W PSU
Wine version: 1.2.1
Ubuntu 10.10 x86_64


Here's my specs:

Phenom 8450 CPU
8800GT 512Mb
4G - 2 x 2G Kingston DDR2800
Asus M2N-SLI Deluxe (nVidia 590 chipset)
Corsair 520W PSU
Fedora 12
Wine 1.2


Both systems run the identical WoW config. Here's my performance figures in various areas:

Org, In front of JC daily giver: 40 - 50fps
Org, in front of cooking daily giver: 30 - 40fps
Org, near south entrance where everyone is: 13fps
Twilight Highlands, over CoC: 45-50fps
Twilight Highlands, in trees north of Gromash Hold: 30 - 60fps. Normally ~50fps.

And in the same spots, my friends figures:

Org, In front of JC daily giver: 30 - 40fps
Org, in front of cooking daily giver: 18 - 25fps
Org, near south entrance where everyone is: 8fps
Twilight Highlands, over CoC: 25 - 30fps
Twilight Highlands, in trees north of Gromash Hold: 15 - 22fps

You can see the biggest difference in the tree-filled (but otherwise unpopulated) area in Twilight Highlands.

I'm out of ideas now. I've tried every single tweak I can think of and still his system isn't getting close. His system should be out performing mine easily with that GPU. The only real notable difference is the mainboard and chipset. Fedora has been run on my friends machine with the same result.

Does anyone have any suggestions or tips we could try? Even with my friend trying WoW in windows, his performance is less than mine. I think this points to a hardware issue somewhere.
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Old 01-08-11, 08:22 AM   #2
gradinaruvasile
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Default Re: WoW in wine performance issue - chipset issue?

Disable compiz (graphic effects).
Try the latest nvidia driver - 260.19.29 right now.
And the latest wine - 1.3.10 now.

But if he has performance issues under Windows too, there might be a hardware issue.
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Old 01-08-11, 08:59 AM   #3
quadfour
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Default Re: WoW in wine performance issue - chipset issue?

Quote:
Originally Posted by gradinaruvasile View Post
Disable compiz (graphic effects).
Try the latest nvidia driver - 260.19.29 right now.
And the latest wine - 1.3.10 now.

But if he has performance issues under Windows too, there might be a hardware issue.
I thought along the same lines regarding compiz. Tried metacity instead, no change.

The system seems to be operating properly in other regards. There's no crashes / overheating or anything of that kind. It's just anything graphical is slower (even in Windows). That's why I'm thinking this is 780a related.

Are there any 780a based board owners who could comment on their 3D/WoW performance?
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Old 01-08-11, 09:02 AM   #4
gradinaruvasile
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Default Re: WoW in wine performance issue - chipset issue?

If the card is pcie, the mobo chipset should not have an impact on 3d performance.
Try installing directx 9 in wine (with winetricks is really simple).
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Old 01-08-11, 09:22 AM   #5
quadfour
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Default Re: WoW in wine performance issue - chipset issue?

Quote:
Originally Posted by gradinaruvasile View Post
If the card is pcie, the mobo chipset should not have an impact on 3d performance.
Try installing directx 9 in wine (with winetricks is really simple).
WoW runs using OpenGL. Installing DirectX within the WINE environment should have no impact on graphics or performance unless merely installing results in native libs being used? (pretty sure it wont).
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Old 01-08-11, 11:03 AM   #6
Deanjo
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Default Re: WoW in wine performance issue - chipset issue?

Pretty sure it isn't the chipset as I have quite a few 780a based boards (3 of that exact board in fact) and none of them exhibit the slowdown that you are describing in WoW. The systems have quite a variety of nvidia cards as well.
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Old 01-08-11, 08:02 PM   #7
quadfour
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Default Re: WoW in wine performance issue - chipset issue?

Quote:
Originally Posted by Deanjo View Post
Pretty sure it isn't the chipset as I have quite a few 780a based boards (3 of that exact board in fact) and none of them exhibit the slowdown that you are describing in WoW. The systems have quite a variety of nvidia cards as well.
Thanks for confirming this. I'll look at the RAM next (since it's mixed)
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Old 01-08-11, 08:45 PM   #8
mooninite
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Default Re: WoW in wine performance issue - chipset issue?

You might try using a native, true benchmark, such as the Heaven benchmark from http://unigine.com/download/

It might pinpoint the issue with your Wine config.
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Old 01-08-11, 08:46 PM   #9
jeisom
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Default Re: WoW in wine performance issue - chipset issue?

Have you checked throttling of the gpu(powermizer in nvidia-settings)?also temperature?
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Old 01-09-11, 02:08 AM   #10
quadfour
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Default Re: WoW in wine performance issue - chipset issue?

Quote:
Originally Posted by mooninite View Post
You might try using a native, true benchmark, such as the Heaven benchmark from http://unigine.com/download/

It might pinpoint the issue with your Wine config.
That's an awesome idea. Will give it a go.
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Old 01-10-11, 01:43 AM   #11
quadfour
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Default Re: WoW in wine performance issue - chipset issue?

After running the Heaven benchmark, my friends system scored considerably higher as I'd expect. I know this points to the issue being WINE, but performance in Windows is bad as well ( it performs as well as my system does in Linux. It should be miles ahead ).

Unless the 8800GT is really this good ( all the benchmarks I've seen put the 460 over double performance )
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Old 01-10-11, 03:01 AM   #12
ShiningArcanine
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Default Re: WoW in wine performance issue - chipset issue?

Try booting with "enable_mtrr_cleanup mtrr_spare_reg_nr=1" appended to your friend's system's kernel parameters. On AMD64 systems with 4GB or more of memory, the MTRR is not properly configured on Linux systems by default, so you need to either compile the kernel to force that on or use the boot parameters. You need to make sure that your kernel is compiled with CONFIG_MTRR_SANITIZER in order to be able to set the boot parameters and have it work.

You might want to look at /proc/mtrr before and after you do this to see if there is a difference. If you see a bunch of uncacheable lines change to write-back or write-through, then there is a difference and it should help performance.

Uncacheable lines means that the CPU cache is disabled for certain memory regions. if those regions are system devices, then that is a good thing, but otherwise, having uncacheable lines is a bad thing and it is often a problem on amd64 systems with 4GB of RAM or more.
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