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ndarray-npy

v0.10.0 Growing

.npy and .npz file format support for ndarray

MIT OR Apache-2.0 Edition 2021 MSRV 1.84
EncodingScienceParser implementations #array#ndarray#numpy#npy#npz

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.6K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
10.2M
Dependents
1.6K
Releases
15
Size
40KB

Deep Insights

๐Ÿ“Š
Stable downloads

708.1K downloads in the last 30 days (23.6K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

1.6K crates depend on ndarray-npy. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 8+ years old, ndarray-npy hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 39KB, ndarray-npy is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include mel_spec, linfa-clustering, linfa-reduction, rssn, tract-libcli. When high-quality crates choose ndarray-npy, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 17/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
22K/day avg-55%
010K20K30K40K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.8.1
50%
v0.9.1
35%
v0.10.0
13%
v0.6.0
1%
v0.8.0
1%

Release Timeline

10 releasessince 2019
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2021
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2022
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2025
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2026
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Feature Flags

default =["compressed_npz", "num-complex-0_4"]

npzcompressed_npz*

README

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Maintainers

Dependencies
8
direct dependencies
Dependents
1.6K
crates depend on ndarray-npy

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