abetlen / abetlen/llama-cpp-python

Support for arm64 wheels and CPU Features

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Description

@abetlen Thank you for the new efforts to start publishing wheels for CUDA, etc.

I noticed that the METAL wheels only work for darwin platform, when using Docker in MacOS the platform is arm64/linux not darwin.

I have a repo where I was building arm64/wheels that could probably be integrated into your workflows: https://github.com/gaby/arm64-wheels

TLDR
```yaml
steps:
- name: Checkout abetlen/llama-cpp-python
uses: actions/checkout@v4
with:
repository: 'abetlen/llama-cpp-python'
ref: '${{ matrix.version }}'
submodules: 'recursive'

- name: Set up QEMU
uses: docker/setup-qemu-action@v3
with:
platforms: linux/arm64

- name: Build wheels
uses: pypa/cibuildwheel@v2.16.5
env:
CIBW_SKIP: "*musllinux* pp*"
CIBW_REPAIR_WHEEL_COMMAND: ""
CIBW_ARCHS: "aarch64"
CIBW_BUILD: "cp311-*"
with:
output-dir: wheelhouse/

- name: Upload wheels as artifacts
uses: actions/upload-artifact@v4
with:
name: wheels-${{ matrix.version }}
path: wheelhouse/*.whl
```

This would need to be expanded to support other Python versions/Pypy.

I also notice the CPU wheels don't have specifics about AVX, AVX2, AVX512 are there plans to add support for those?

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