Decision Workspace
atomic_float vs arc-swap vs ryu
Side-by-side comparison of Rust crates
62
atomic_float
growingv1.1.0
Floating point types which can be safely shared between threads
73
arc-swap
stablev1.9.0
Atomically swappable Arc
72
ryu
stablev1.0.23
Fast floating point to string conversion
Core Metrics
| atomic_float | arc-swap | ryu | |
|---|---|---|---|
| Health Score | 62 | 73 | 72 |
| Total Downloads | 14.5M | 193.4M | 741.4M |
| 30d Downloads | 1.0M | 15.0M | 47.0M |
| Dependents | 570 | 8.8K | 4.1K |
| Releases | 3 | 45 | 35 |
| Last Updated | 573d ago | 6d ago | 47d ago |
| Age | 5y 6m | 7y 11m | 7y 8m |
Health Breakdown
atomic_float
Maintenance
4
Quality
21
Community
14
Popularity
8
Documentation
15
arc-swap
Maintenance
18
Quality
16
Community
19
Popularity
8
Documentation
12
ryu
Maintenance
15
Quality
20
Community
14
Popularity
8
Documentation
15
Technical Details
| atomic_float | arc-swap | ryu | |
|---|---|---|---|
| Version | 1.1.0 | 1.9.0 | 1.0.23 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 OR MIT OR Unlicense | MIT OR Apache-2.0 | Apache-2.0 OR BSL-1.0 |
| Dependencies | 2 | 12 | 6 |
| Crate Size | 16KB | 81KB | 53KB |
| Features | 2 | 4 | 1 |
| Yanked % | 0.0% | 17.8% | 0.0% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | 1.60.0 | — | 1.71 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •arc-swap leads with a health score of 73/100, but none of the options score above 80.
- •ryu has the most downloads (741.4M), suggesting wider adoption.
- •arc-swap is depended on by 8.8K crates — strongest ecosystem trust.
- •⚠ atomic_float has not been updated in over a year.