8/9/2023 0 Comments Physx sdk vs havok![]() ![]() ![]() The Ageia PPU is documented in depth in their US patent application #20050075849. ![]() The unit is most effective in accelerating particle systems, with only a small performance improvement measured for rigid body physics. This project was extended into a considerably more advanced ASIC-based system named HELLAS.įebruary 2006 saw the release of the first dedicated PPU PhysX from Ageia (later merged into nVidia). This was a simple FPGA based PPU that was limited to two dimensions. Several other technologies in the CPU-GPU spectrum have some features in common with it, although Ageia's product was the only complete one designed, marketed, supported, and placed within a system exclusively being a PPU.Īn early academic PPU research project named SPARTA (Simulation of Physics on A Real-Time Architecture) was carried out at Penn State and University of Georgia. The term was coined by Ageia to describe its PhysX chip. The idea is having specialized processors offload time-consuming tasks from a computer's CPU, much like how a GPU performs graphics operations in the main CPU's place. It is an example of hardware acceleration.Įxamples of calculations involving a PPU might include rigid body dynamics, soft body dynamics, collision detection, fluid dynamics, hair and clothing simulation, finite element analysis, and fracturing of objects. A physics processing unit ( PPU) is a dedicated microprocessor designed to handle the calculations of physics, especially in the physics engine of video games.
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