Decision Workspace
cow_hashmap vs cow_hashbrown vs hashbrown
Side-by-side comparison of Rust crates
43
cow_hashmap
growingv0.1.13
Hashmap with copy-on-write semantics that requires no locks
48
cow_hashbrown
growingv0.14.21
A Rust port of Google's SwissTable hash map with copy-on-write support
63
hashbrown
growingv0.16.1
A Rust port of Google's SwissTable hash map
Core Metrics
| cow_hashmap | cow_hashbrown | hashbrown | |
|---|---|---|---|
| Health Score | 43 | 48 | 63 |
| Total Downloads | 14.0K | 19.2K | 1.3B |
| 30d Downloads | 32 | 53 | 114.9M |
| Dependents | 0 | 14 | 27.0K |
| Releases | 14 | 18 | 54 |
| Last Updated | 523d ago | 608d ago | 127d ago |
| Age | 1y 8m | 1y 8m | 7y 5m |
Health Breakdown
cow_hashmap
Maintenance
8
Quality
15
Community
5
Popularity
5
Documentation
10
cow_hashbrown
Maintenance
8
Quality
14
Community
9
Popularity
5
Documentation
12
hashbrown
Maintenance
14
Quality
12
Community
17
Popularity
8
Documentation
12
Technical Details
| cow_hashmap | cow_hashbrown | hashbrown | |
|---|---|---|---|
| Version | 0.1.13 | 0.14.21 | 0.16.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 20 | 15 |
| Crate Size | 18KB | 142KB | 148KB |
| Features | 0 | 7 | 8 |
| Yanked % | 0.0% | 0.0% | 7.4% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.63.0 | 1.65.0 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •hashbrown leads with a health score of 63/100, but none of the options score above 80.
- •hashbrown is depended on by 27.0K crates — strongest ecosystem trust.
- •⚠ cow_hashmap, cow_hashbrown have not been updated in over a year.