# NVIDIA open-sources PhysX's GPU simulation code

*Source* · `src-thacker-2025-physx-gpu-open-source` · status: **n/a**

| field | value |
|---|---|
| kind | News |
| authors | Jim Thacker |
| venue | CG Channel |
| date | 2025-04-22 |
| url | https://www.cgchannel.com/2025/04/nvidia-open-sources-physxs-gpu-simulation-code |
| accessed | 2026-10-24 |

## Notes

PhysX 5.6 and Flow 2.2 GPU source released under BSD-3 with over 500 CUDA kernels; previously GPU support shipped as binaries only; Unreal Engine 5 uses Chaos instead.

## Backlinks (computed)

**cited by:** [Massively parallel GPU simulation](../technique/massively-parallel-simulation.md)

## Citation

Jim Thacker (2025-04-22). *NVIDIA open-sources PhysX's GPU simulation code*. CG Channel https://www.cgchannel.com/2025/04/nvidia-open-sources-physxs-gpu-simulation-code

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Provenance: created in run `2026-10-24-techniques-sim-math`.