Decision Workspace
concache vs evmap vs crossbeam-skiplist
Side-by-side comparison of Rust crates
39
concache
growingv0.2.1
A fast, concurrent, shared hash map.
60
evmap
stablev11.0.0
A lock-free, eventually consistent, concurrent multi-value map.
53
crossbeam-skiplist
growingv0.1.3
A concurrent skip list
Core Metrics
| concache | evmap | crossbeam-skiplist | |
|---|---|---|---|
| Health Score | 39 | 60 | 53 |
| Total Downloads | 5.6K | 1.1M | 7.3M |
| 30d Downloads | 70 | 48.9K | 619.2K |
| Dependents | 4 | 261 | 1.0K |
| Releases | 2 | 59 | 5 |
| Last Updated | 2723d ago | 160d ago | 809d ago |
| Age | 7y 5m | 9y 1m | 8y 1m |
Health Breakdown
concache
Maintenance
3
Quality
13
Community
11
Popularity
4
Documentation
8
evmap
Maintenance
12
Quality
19
Community
13
Popularity
7
Documentation
9
crossbeam-skiplist
Maintenance
3
Quality
11
Community
19
Popularity
8
Documentation
12
Technical Details
| concache | evmap | crossbeam-skiplist | |
|---|---|---|---|
| Version | 0.2.1 | 11.0.0 | 0.1.3 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 9 | 3 |
| Crate Size | 501KB | 42KB | 35KB |
| Features | 1 | 4 | 3 |
| Yanked % | 0.0% | 1.7% | 40.0% |
| Edition | — | 2018 | 2021 |
| MSRV | — | — | 1.61 |
| Owners | 3 | 1 | 4 (team) |
Links
Quick Verdict
- •evmap leads with a health score of 60/100, but none of the options score above 80.
- •crossbeam-skiplist has the most downloads (7.3M), suggesting wider adoption.
- •crossbeam-skiplist is depended on by 1.0K crates — strongest ecosystem trust.
- •⚠ concache, crossbeam-skiplist have not been updated in over a year.
- •concache, crossbeam-skiplist are pre-1.0 — API may change.