Decision Workspace
optimistic-cell vs concurrent-map vs inline-array
Side-by-side comparison of Rust crates
37
optimistic-cell
growingv0.1.0
a simple lock-like structure for low-overhead optimistic concurrency
56
concurrent-map
growingv5.0.37
a lock-free linearizable B+ tree
53
inline-array
growingv0.1.14
efficient immutable inlinable byte array
Core Metrics
| optimistic-cell | concurrent-map | inline-array | |
|---|---|---|---|
| Health Score | 37 | 56 | 53 |
| Total Downloads | 1.6K | 414.5K | 705.1K |
| 30d Downloads | 3 | 6.7K | 14.9K |
| Dependents | 0 | 57 | 78 |
| Releases | 1 | 55 | 12 |
| Last Updated | 1217d ago | 565d ago | 225d ago |
| Age | 3y 4m | 3y 4m | 2y 8m |
Health Breakdown
optimistic-cell
Maintenance
1
Quality
16
Community
6
Popularity
4
Documentation
10
concurrent-map
Maintenance
7
Quality
21
Community
11
Popularity
7
Documentation
10
inline-array
Maintenance
9
Quality
16
Community
11
Popularity
7
Documentation
10
Technical Details
| optimistic-cell | concurrent-map | inline-array | |
|---|---|---|---|
| Version | 0.1.0 | 5.0.37 | 0.1.14 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | GPL-3.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 4 | 4 |
| Crate Size | 3KB | 30KB | 15KB |
| Features | 0 | 5 | 2 |
| Yanked % | 0.0% | 3.6% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •concurrent-map leads with a health score of 56/100, but none of the options score above 80.
- •inline-array has the most downloads (705.1K), suggesting wider adoption.
- •⚠ optimistic-cell, concurrent-map have not been updated in over a year.
- •optimistic-cell, inline-array are pre-1.0 — API may change.