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simsimd

v6.5.16 Stable

Portable mixed-precision BLAS-like vector math library for x86 and ARM

Apache-2.0 Edition 2021 MSRV 1.64

Quick Verdict

  • โœ“Actively maintained (updated 20d ago)
  • โœ“Stable API (6.x for 2+ years)
  • โœ“Trusted by 309 crates
  • โœ“Permissive license (Apache-2.0)

Security

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Downloads
771.2K
Dependents
309
Releases
104
Size
126KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

162.9K downloads in the last 30 days (5.4K/day), up 44% from the previous period.

๐Ÿ”—
Moderate adoption

309 crates depend on simsimd. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 104 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐ŸŒŸ
Used by top crates

Notable dependents include turso_core, hamming-bitwise-fast, oasysdb, ruvector-core, lsp-ai. When high-quality crates choose simsimd, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
4K/day avg+71%
02K4K6K8K10K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v6.5.3
45%
v6.5.12
24%
v4.4.0
14%
v6.5.5
11%
v6.5.16
6%

Release Timeline

104 releases3 yankedsince 2024
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2024
72
2025
28
2026
4
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Feature Flags

std

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
309
crates depend on simsimd

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