I have a GTX 460 dedicated to PhysX. I monitor it while in game via my G19 Keyboard and MSI Afterburner and so far it has never gone above 0% usage with the GPU-acceleration option check on (or off) in settings. However it does get used in games like Mafia 2 and PhysX benchmarking programs such as FluidMark. So unless PS2 is bypassing my Nvidia control panel settings and using my main card (a GTX 680) for GPU physX while at the same time falsely displaying on screen that it is using the CPU for PhysX (Nvida Control Panel > Settings > Show PhysX Visual Indicator)
No, this game doesn't currently use GPU PhysX.
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