pyglass-portable
Portable prebuilt wheels of pyglass (zilliztech) — a fast HNSW / NSG graph-based approximate-nearest-neighbor library.
Upstream publishes only an AVX-512 x86_64 wheel, which crashes (SIGILL) on
CPUs without AVX-512 — Apple Silicon, AMD, older Intel. pyglass's source is
portable (AVX2 / NEON / scalar kernels); this repackage builds it with a portable
baseline so it installs and runs on those machines too. The import name stays
glass — it's a drop-in for upstream, not a fork of the algorithm.
uv pip install pyglass-portable # or: pip install pyglass-portable
Prebuilt wheels: Linux x86_64 (AVX2) and macOS arm64 (NEON), Python 3.9+. Intel
Macs and ARM Linux build from the sdist — pip install compiles it portably (it
needs a C++20 compiler; on macOS, brew install libomp).
import numpy as np, glass
X = np.random.rand(100_000, 128).astype("float32")
index = glass.Index("HNSW", "L2", "FP32", R=32, L=200)
graph = index.build(X)
searcher = glass.Searcher(graph, X, "L2", "FP32")
searcher.set_ef(64); searcher.optimize()
ids, dists = searcher.batch_search(X[:1000], 10)
It also works as a scanpy neighbors backend via
pipnn.contrib.GlassTransformer.
Relationship to upstream
This is an unofficial repackage for platform coverage only — no algorithm
changes. The portability fixes are proposed upstream in
zilliztech/pyglass#24; if they
land and upstream ships portable wheels, prefer glassppy. Version tracks the
upstream source version.
Credit to the pyglass authors (Zihao Wang / zilliztech). MIT licensed, same as upstream.
1 maintainer
Metadata
1 maintainer
Release files for pyglass-portable 2.1.0
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Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| pyglass_portable-2.1.0.tar.gz | 10.5 kB | Details |
Built distributions (wheels)
Total release size: 31.9 MB
Release files / pyglass_portable-2.1.0.tar.gz
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