Decision Workspace
atomic_float vs ryu-js vs arc-swap
Side-by-side comparison of Rust crates
63
atomic_float
growingv1.1.0
Floating point types which can be safely shared between threads
81
ryu-js
stablev1.0.3
Fast floating point to string conversion, ECMAScript compliant.
72
arc-swap
stablev1.9.2
Atomically swappable Arc
Core Metrics
| atomic_float | ryu-js | arc-swap | |
|---|---|---|---|
| Health Score | 63 | 81 | 72 |
| Total Downloads | 16.3M | 22.8M | 261.3M |
| 30d Downloads | 333.0K | 1.9M | 14.2M |
| Dependents | 695 | 1.4K | 17.6K |
| Releases | 3 | 8 | 47 |
| Last Updated | 681d ago | 3d ago | 15d ago |
| Age | 5y 10m | 6y | 8y 3m |
Health Breakdown
atomic_float
Maintenance
4
Quality
22
Community
14
Popularity
8
Documentation
15
ryu-js
Maintenance
19
Quality
20
Community
19
Popularity
8
Documentation
15
arc-swap
Maintenance
17
Quality
16
Community
19
Popularity
8
Documentation
12
Technical Details
| atomic_float | ryu-js | arc-swap | |
|---|---|---|---|
| Version | 1.1.0 | 1.0.3 | 1.9.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 OR MIT OR Unlicense | Apache-2.0 OR BSL-1.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 6 | 12 |
| Crate Size | 16KB | 74KB | 81KB |
| Features | 2 | 1 | 4 |
| Yanked % | 0.0% | 0.0% | 17.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | 1.60.0 | 1.71 | — |
| Owners | 1 | 3 (team) | 2 (team) |
Links
Quick Verdict
- •ryu-js has the highest health score (81/100) — a strong overall choice.
- •arc-swap has the most downloads (261.3M), suggesting wider adoption.
- •arc-swap is depended on by 17.6K crates — strongest ecosystem trust.
- •⚠ atomic_float has not been updated in over a year.