JAX backend for Apple M series of chips
Project description
jax-silicon
jax-silicon is a PJRT plugin that enables JAX to run on Apple Metal (MPS)
GPUs on Apple Silicon.
Requirements
- macOS 13+ on Apple Silicon
- Python 3.11+
jaxandjaxlib0.9.x
Install
pip install jax-silicon
Build From Source
brew install cmake ninja
uv pip install -e .
On first build, missing native dependencies are bootstrapped automatically by
running scripts/setup_deps.sh.
To disable auto-bootstrap:
CMAKE_ARGS="-DJAX_SILICON_AUTO_SETUP_DEPS=OFF" uv pip install -e .
Use
The plugin backend name in JAX is still mps.
JAX_PLATFORMS=mps python -c "import jax; print(jax.devices())"
Optional library path overrides:
JAX_SILICON_LIBRARY_PATHJAX_MPS_LIBRARY_PATH(legacy compatibility)
Test
uv run pytest
Repository Layout
src/jax_plugins/silicon/Python plugin entrypointsrc/pjrt_plugin/C++/Objective-C++ PJRT implementationscripts/setup_deps.shdependency bootstraptests/test suite
License
Apache-2.0.
This repository is a derivative of tillahoffmann/jax-mps.
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