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Obscure Performance/texturing Behavior After Upgrading Gpu (6950 -> R9 280X)


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#1 Thorqemada

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Posted 18 November 2013 - 07:42 AM

Well, i have upgraded my GPU recently from an ATI 6950 to the ATI R9 280X.
I got some 5 to 10 more fps out of it which is meh...

Win7 x64
FX 8350 (4GHz)
GA990XA-UD3 (F14b)
2x 4GB DDR3 1600
ATI R9 280X (13.11 beta 9.2)
X-Fi Titanium (2.17.0009)

1920x1200 - Fullscreen - Very High - Vsync off

So i decided to clear my PC from MWO and give it a whole fresh Installation:
- Performance increase is now up to almost 40fps (ingame fps range from 35fps to 97fps) - min/avg fps is about 25% better, max fps about 60% better (was the Vsync somehow hidden enabled b4?).
- Texture Bug is back - did run the Repair Tool (bcs it had fixed that in the past despite not showing any error) and played the same map once since than - had no texture bug.
Though that means nothng yet bcs the amount of samples is to small obviously.

Imho somewhere in the MWO code sits a Gremlin...^^

Peace ;)

Edited by Thorqemada, 18 November 2013 - 12:54 PM.


#2 Scratx

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Posted 18 November 2013 - 08:12 AM

Odds are that you had something left over like cached shaders.

It might be a good idea for PGI to memorize which GPU was being used so as to detect if it somehow changed and automatically regenerate the shaders, but it's a rare situation.

#3 Corvus Antaka

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Posted 18 November 2013 - 09:03 AM

you want vsync ON

friend of mine with a gtx760 and 140fps kept crashing till he turned it on. you dont need it off anyhow.

#4 NRP

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Posted 18 November 2013 - 11:37 AM

I get the occasional flickering/disappearing texture in certain maps too. I'm using an AMD 7950 with Windows 7 (64 bit).

#5 Thorqemada

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Posted 18 November 2013 - 03:03 PM

I have no stability problems yet, enabling Vsync makes it run a tad less hot - MWO is still the most demanding game to my cooling by lightyears... ;)

#6 Modo44

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Posted 18 November 2013 - 03:14 PM

Flickering/missing textures are, sadly, a norm. Mipmapping levels seem liable to change even while standing 100% still (thank you, friend who called me on the phone, causing 3 minutes AFK). Using a Radeon HD 6950 with up to date drivers.

I know the game shows the NVidia logo in the "intro", but come on...

Edited by Modo44, 18 November 2013 - 03:14 PM.


#7 Nation Uprise

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Posted 18 November 2013 - 07:53 PM

V-sync, for some reason, solves the missing texture thing. This has been a problem since closed beta and still hasn't been fixed. What I'd like to know is why V-sync has anything to do with textures? Nonetheless, it does fix it.

#8 Thorqemada

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Posted 18 November 2013 - 10:32 PM

V-Sync did not help me in the past - so far i have the Texture Bug in any V-Sync mode or in none.

Edited by Thorqemada, 19 November 2013 - 03:39 AM.






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