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# Maintainer: Cody Wyatt Neiman (xangelix) <neiman@cody.to>
_name=bitsandbytes
pkgname=python-$_name-rocm-git
pkgdesc="Lightweight wrapper around CUDA custom functions, in particular 8-bit optimizers, matrix multiplication (LLM.int8()), and quantization functions (official AMD ROCm branch)"
license=("MIT")
url="https://github.com/TimDettmers/$_name"
pkgver=0.43.1.r228.g517eaf2
pkgrel=1
arch=("x86_64")
makedepends=("make" "cmake")
depends=("hipblaslt" "hiprand" "hipsparse" "hipcub" "rocthrust" "python-setuptools" "python-pytest" "python-einops" "python-wheel" "python-scipy" "python-lion-pytorch" "python-pandas" "python-matplotlib")
provides=("python-$_name")
source=("$pkgname::git+$url.git#branch=multi-backend-refactor")
sha512sums=("SKIP")
pkgver() {
cd $pkgname
( set -o pipefail
# cutting off 'v' prefix that presents in the git tag
git describe --tags | sed 's/^v//;s/\([^-]*-g\)/r\1/;s/-/./g' ||
printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
)
}
build() {
cd $pkgname
cmake -DCOMPUTE_BACKEND=hip -S .
make
python -m build --wheel --no-isolation
}
package() {
# Install license
install -Dm644 $pkgname/LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
# Install the python wheel
python -m installer --destdir="$pkgdir" $pkgname/dist/*.whl
}
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