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ahash

v0.8.12 Growing

A non-cryptographic hash function using AES-NI for high performance

MIT OR Apache-2.0 Edition 2018 MSRV 1.60.0
AlgorithmsData structuresNo standard library #hash#aes#hashmap#hasher#no-std

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (37.7K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)
  • !80% of releases were yanked

Security

Checking security advisories...
Downloads
512.1M
Dependents
37.7K
Releases
95
Size
43KB

Deep Insights

๐Ÿ“Š
Steady growth

35.2M downloads in the last 30 days (1.2M/day), up 20% from the previous period.

๐Ÿ›๏ธ
Foundational crate

37.7K crates depend on ahash โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โš ๏ธ
Single maintainer risk

ahash has only 1 owner despite 37.7K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, ahash hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 42KB, ahash is lightweight. Small crate size correlates with focused, well-scoped functionality.

โš ๏ธ
Notable yanked versions

80% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include tracing-log, petgraph, foldhash, rkyv, metrics. When high-quality crates choose ahash, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 9/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 14/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
947K/day avg+63%
0500K1.0M1.5M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.8.11
38%
v0.8.12
27%
v0.7.8
25%
v0.8.6
6%
v0.7.7
4%

Release Timeline

95 releases76 yankedsince 2019
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2019
40
2020
31
2021
8
2022
3
2023
7
2024
5
2025
1
2026
Less
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Yanked

Feature Flags

default =["std", "runtime-rng"]

std*no-rngruntime-rng*atomic-polyfillnightly-arm-aescompile-time-rng

README

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Maintainers

Dependencies
19
direct dependencies
Dependents
37.7K
crates depend on ahash

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