Decision Workspace
aarc vs qubit-atomic vs fast-smr
Side-by-side comparison of Rust crates
42
aarc
growingv0.4.0
An atomically updatable Arc for lock-free concurrency.
60
qubit-atomic
experimentalv0.14.0
User-friendly atomic operations wrapper providing JDK-like atomic API
49
fast-smr
growingv0.2.3
Toward fast, wait-free, portable, and robust memory reclamation.
Core Metrics
| aarc | qubit-atomic | fast-smr | |
|---|---|---|---|
| Health Score | 42 | 60 | 49 |
| Total Downloads | 378.7K | 1.7K | 230.7K |
| 30d Downloads | 9.7K | 0 | 9.7K |
| Dependents | 2 | 112 | 3 |
| Releases | 7 | 20 | 5 |
| Last Updated | 242d ago | 2d ago | 243d ago |
| Age | 2y 4m | 3m | 1y 9m |
Health Breakdown
aarc
Maintenance
7
Quality
11
Community
7
Popularity
7
Documentation
10
qubit-atomic
Maintenance
19
Quality
10
Community
12
Popularity
4
Documentation
15
fast-smr
Maintenance
7
Quality
16
Community
8
Popularity
6
Documentation
12
Technical Details
| aarc | qubit-atomic | fast-smr | |
|---|---|---|---|
| Version | 0.4.0 | 0.14.0 | 0.2.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 2 | 4 | 0 |
| Crate Size | 9KB | 83KB | 8KB |
| Features | 0 | 0 | 0 |
| Yanked % | 14.3% | 5.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.94 | 1.91.1 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •qubit-atomic leads with a health score of 60/100, but none of the options score above 80.
- •aarc has the most downloads (378.7K), suggesting wider adoption.
- •qubit-atomic is depended on by 112 crates — strongest ecosystem trust.