Physx appeared as a separate physical engine in the early 2000s, then purchased by Nvidia and integrated into video cards. Batman: Arkham City, Metro 2033 and Assassin’s Creed IV: Black Flag. Despite adding a visual depth, as you know, Hairworks has installed some systems like Witcher 3, which affects performance.
Now that the NVIDIA rejects 32 -bit applications in CUDA, the games will have to close this function or reduce the frequency of the staff, depending on Physx.
Source: Ferra

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