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Borderlands 2’s PC Performance DLC Bug
 
drmaxman  posted on Oct 23, 2012 10:49:52 PM - Report post

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FYI: How To Fix Borderlands 2’s PC Performance-Killing DLC Bug

Link

Ax

 
DigitalIP  posted on Oct 24, 2012 12:44:47 AM - Report post

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Not really a fix..

more like.. an alternative?

shrug

 
drmaxman  posted on Oct 24, 2012 2:59:23 PM - Report post

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Thanks for reading and commenting, even if disinterested.
 
OffCentered  posted on Oct 25, 2012 10:42:39 AM - Report post

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I read that article through the Steam news page. I don't have Nvidia and I never noticed a hit on my fps inside or out of the DLC areas. But, something in that same article, in the user comments, caught my eye. The ability for ATI cards to utilize the PhysX.

I have a AMD Phenom II B55 quad-core, with a single ATI Radeon HD 4890. It's not a beast, but it works well enough to play most games at High if not Ultra. I play skyrim at ultra with grass turned down (i can't find stuff in the grass, not because it hurts performance), and I play BL2 on High across the board at 60+ frames per second, rarely had I ever seen the fps flicker below 60 for more than a couple of seconds.

In your WillowEngine.ini you'll find the line PhysXLevel=x where "x" is 0=low, 1=medium, and 2=high. (Low is basically Off)

As an AMD/ATI graphic card owner, it's auto-set to low and will not give you an option to turn it on within the game's options. Changing the 0 to a 1 or 2 in the ini file does turn up the PhysX for the ATI cards and you get to enjoy all the bloody splats and puffy frills that Nvidia cards show... BUT, it could drop your frames down and slow your computer down since it utilizes the PhysX through your CPU and not your GPU. However, my older ATI card and mid-range CPU handles the PhysX on the High setting just fine. When things get hellish and my screen is full of everything I drop to between 30-50fps which is barely noticeable.

 
drmaxman  posted on Oct 25, 2012 7:11:14 PM - Report post

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The last option under MAIN MENU/OPTIONS/VIDEO is for PHYSX EFFECTS (LOW/MEDIUM/HIGH).

I'm using an ATI Radeon HD 5770. Good, but not great.

@OffCentered: How are you monitoring your FPS in real time?

Ax

 
SonJazrin  posted on Oct 25, 2012 8:06:25 PM - Report post

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Are you sure about that? I have an ATI Radeon HD 6770 and it allows me to change it to low medium or high right in the options.
 
NotHome  posted on Oct 25, 2012 8:42:31 PM - Report post

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Looks like a new patch was just released that addresses all of these performance issues with the DLC. Great news!
 
drmaxman  posted on Oct 25, 2012 8:52:47 PM - Report post

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Yep, new update. New Borderlands2.exe update just downloaded from Steam.

File version is now 1.0.30.25244 (10/25/2012). There is an announcement on Steam discussing the changes, including patch for the DLC bug.

Thanks for the discussion re: PhysX. I thought it was only available for Nvidia. Nice effects also with ATI (on medium; may try high).

Ax

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