Peter Hawkins 70b7d50181 Switch jaxlib to use nanobind instead of pybind11.
nanobind has a number of advantages (https://nanobind.readthedocs.io/en/latest/why.html), notably speed of compilation and dispatch, but the main reason to do this for these bindings is because nanobind can target the Python Stable ABI starting with Python 3.12. This means that we will not need to ship per-Python version CUDA plugins starting with Python 3.12.

PiperOrigin-RevId: 559898790
2023-08-24 16:07:56 -07:00
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