Decision Workspace
rustc-hash vs fx-hash vs rapidhash
Side-by-side comparison of Rust crates
57
rustc-hash
growingv2.1.1
A speedy, non-cryptographic hashing algorithm used by rustc
39
fx-hash
growingv0.1.0
A speedy, non-cryptographic hashing algorithm used by rustc. Fork of rustc-hash.
74
rapidhash
stablev4.4.1
An extremely fast, high quality, platform-independent hashing algorithm.
Core Metrics
| rustc-hash | fx-hash | rapidhash | |
|---|---|---|---|
| Health Score | 57 | 39 | 74 |
| Total Downloads | 438.1M | 3.5K | 5.1M |
| 30d Downloads | 38.9M | 95 | 1.9M |
| Dependents | 40.3K | 4 | 527 |
| Releases | 7 | 1 | 20 |
| Last Updated | 415d ago | 441d ago | 35d ago |
| Age | 7y 10m | 1y 2m | 1y 6m |
Health Breakdown
rustc-hash
Maintenance
4
Quality
18
Community
17
Popularity
8
Documentation
10
fx-hash
Maintenance
2
Quality
18
Community
5
Popularity
4
Documentation
10
rapidhash
Maintenance
17
Quality
21
Community
13
Popularity
8
Documentation
15
Technical Details
| rustc-hash | fx-hash | rapidhash | |
|---|---|---|---|
| Version | 2.1.1 | 0.1.0 | 4.4.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | Apache-2.0 OR MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 0 | 6 |
| Crate Size | 14KB | 12KB | 57KB |
| Features | 4 | 3 | 6 |
| Yanked % | 14.3% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.71.0 |
| Owners | 3 (team) | 1 | 1 |
Links
Quick Verdict
- •rapidhash leads with a health score of 74/100, but none of the options score above 80.
- •rustc-hash has the most downloads (438.1M), suggesting wider adoption.
- •rustc-hash is depended on by 40.3K crates — strongest ecosystem trust.
- •⚠ rustc-hash, fx-hash have not been updated in over a year.
- •fx-hash is pre-1.0 — API may change.