Demolition, Inc.
Varenzer_H8JK Apr 10, 2013 @ 3:46pm
Does it still not uses the hardware physX ?
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Showing 1-7 of 7 comments
Eyes Apr 11, 2013 @ 2:37am 

The game now uses the most recent version of nVidia's PhysX software, version 3. This uses the CUDA hardware on nVidia cards, but also has great multithreaded support so if you have at least two cores, it should be pretty fast. Are you having framerate problems? What hardware are you referring to, exactly?
Varenzer_H8JK Apr 11, 2013 @ 10:16am 
When I try to run the game on my pc (8 cores - or let's say 4 cores + HT) and Nvidia videocard. It still show's me that it is uses Software Physix on CPU - instead of using Videocard power. Hope you understand me better now.
Eyes Apr 11, 2013 @ 1:33pm 
May I ask what model of video card you have, and what software you're using to show you where the PhysX is running?

Varenzer_H8JK Apr 12, 2013 @ 5:57am 
Nvidia own drivers having feature about showing PhysX status. Videocard is 680 gtx.
Varenzer_H8JK Apr 13, 2013 @ 8:38am 
tried both on notebook Geforce 420~. Secondary home PC Geforce 550ti (or something similar) still showing software Physix
Varenzer_H8JK Apr 15, 2013 @ 2:26pm 
Eyes Apr 16, 2013 @ 2:10am 
So, it would appear that on PC, the newest version of PhysX uses the CPU for most of its features. Only particles and cloth runs on the GPU using CUDA, neither of which we use (we have our own particle engine). Are you experiencing a low framerate when playing the game?

On PS3, the SPUs are used to run more of the rigid body simulation (the movement of actual physics objects), but the newer architecture takes advantage of multi-core CPUs on PC (and other consoles) instead. So if you've got at least 2 cores, you should be fine.

If you run some of the newer PhysX samples provided by nVidia, and turn on the PhysX usage indicator, you'll see they run on the CPU also.
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