Topic Title: Low FPS on Mirrors Edge
Topic Summary: I have a 7970 and still have low fps, like 5 fps low fps
Created On: 10/06/2013 01:49 PM
Status: Post and Reply
Linear : Threading : Single : Branch
Search Topic Search Topic
Topic Tools Topic Tools
View similar topics View similar topics
View topic in raw text format. Print this topic.
 10/06/2013 01:49 PM
User is offline View Users Profile Print this message

Author Icon
CrimsonSunBear
Peon

Posts: 1
Joined: 10/06/2013

In the second mission of mirrors edge I get terrible FPS when some guards come and start shooting, is it because of PhysX and how Radeon cards can't deal with it?

 10/06/2013 01:55 PM
User is offline View Users Profile Print this message

Author Icon
Vantharas
Polygon Pusher

Posts: 3506
Joined: 03/01/2009

Originally posted by: CrimsonSunBear In the second mission of mirrors edge I get terrible FPS when some guards come and start shooting, is it because of PhysX and how Radeon cards can't deal with it?

 

 

Why would phsx have anything to do with it? Because it doesnt. Physx Runs on the CPU when an Nvidia card is not detected.

But I mean given the all the useful information you've provided. I'm going to say its the aliens on mars beaming a signal to your PC thats messing it up. (in all seriousness if you want real answers you need to provide some useful information see my signature as an example)



-------------------------

I5 3570K@4~5.0ghz: Gigabyte GA-Z77X-UD3H:Corsair Hydro H110 :16GB Corsair Vengeance DDR-3 1600: XFX Radeon 7950 @ 1100/1575 : Corsair AX 860 PSU: x1 WD Black 1TB HDD's: 90GB Agility 3: 960GB SSD : Creative Labs X-FI:Corsair 500R Arctic White Edition:3 22inch Monitors Eyefinity @ 5294x 1050 : Alienware Tact-X Keyboard: Razer Naga :Corsair Vengence 1500 Headset: Corsair SP2500 Speakers

 10/07/2013 01:21 PM
User is offline View Users Profile Print this message

Author Icon
Thanny
Alpha Geek

Posts: 1331
Joined: 07/13/2009

Mirror's Edge is indeed badly crippled by software PhysX.  Until Borderlands 2, all software PhysX implementations were artificially crippled.

It's a deliberate design flaw on the part of nVidia.

When you have a dedicated nVidia card for PhysX, and jump through the hoops required to get it working (nVidia intentionally disables PhysX if they detect a non-nVidia card), then Mirror's Edge works well with the PhysX effects enabled.

 

 10/07/2013 04:54 PM
User is offline View Users Profile Print this message

Author Icon
black_zion
80 Column Mind

Posts: 12334
Joined: 04/17/2008

It's not so much a design flaw as an intentional design implementation so that it maintains a nVidia card requirement. The Tech Report did a good article a few years ago. But with the PS4 and XBone having an AMD chip in it, PhysX should really start falling out of favor even moreso than it is now in favor of cross platform solutions (OpenCL, DirectCompute, etc).

-------------------------
ASUS Sabertooth 990FX/Gen3 R2, FX-8350 w/ Corsair H60, 8 GiB G.SKILL RipjawsX DDR3-2133, XFX HD 7970 Ghz, 512GB Vertex 4, 256GB Vector, 240GB Agility 3, Creative X-Fi Titanium w/ Creative Gigaworks S750, SeaSonic X750, HP ZR2440w, Win 7 Ultimate x64
Statistics
84724 users are registered to the AMD Support and Game forum.
There are currently 5 users logged in.

FuseTalk Hosting Executive Plan v3.2 - © 1999-2014 FuseTalk Inc. All rights reserved.