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# Maintainer: Premysl Srubar <premysl.srubar[äT]gmail(.)com>
_pkgname=bitsandbytes
pkgname=('python-bitsandbytes-git')
pkgver=0.44.1.11.g9264f02
pkgrel=1
pkgdesc="Lightweight wrapper around CUDA custom functions, in particular 8-bit optimizers, matrix multiplication (LLM.int8()), and quantization functions."
depends=(
'python>=3.9'
'cuda>=11.0'
'python-pytorch'
'python-einops'
'python-scipy'
'python-accelerate'
'python-transformers'
'python-lion-pytorch'
)
provides=('python-bitsandbytes')
conflicts=('python-bitsandbytes')
arch=('x86_64')
url="https://github.com/TimDettmers/bitsandbytes"
license=("MIT")
makedepends=('python-build' 'python-installer' 'git')
checkdepends=('python-pytest')
source=("${pkgname}::git+${url}.git")
sha256sums=('SKIP')
pkgver() {
cd "$srcdir/${pkgname}"
# Get the most recent semantic version tag like 0.44.1
local latest_tag=$(git tag | grep -E '^([0-9]+\.[0-9]+\.[0-9]+)$' | sort -V | tail -n 1)
# Get commit count since the latest tag and current commit hash
local git_info=$(git describe --long --tags --match "$latest_tag" | sed 's/^[^-]*-//;s/-/./g')
# Construct full package version
echo "${latest_tag}.${git_info}"
}
build() {
cd "$pkgname"
cmake -DCOMPUTE_BACKEND=cuda -S .
make
python -m build --wheel --no-isolation
}
check() {
cd "$pkgname"
# slow
#pytest
}
package() {
cd "$pkgname"
python -m installer --destdir="$pkgdir" dist/*.whl
# Remove tests
rm -rf ${pkgdir}/usr/lib/python*/site-packages/tests/
install -D -m644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}
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