There is no GPU accelerated physx in Wine. Under the hood physx can either use CPU or GPU. When it uses the GPU it uses cuda. This doesn't work on Wine (physx CAN'T use the linux cuda runtime), so physx just uses the CPU.
There is no GPU accelerated physx in Wine. Under the hood physx can either use CPU or GPU. When it uses the GPU it uses cuda. This doesn't work on Wine (physx CAN'T use the linux cuda runtime), so physx just uses the CPU.