Decision Workspace
atomic_float vs dashmap 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
71
dashmap
stablev6.2.1
Blazing fast concurrent HashMap for Rust.
70
arc-swap
stablev1.9.1
Atomically swappable Arc
Core Metrics
| atomic_float | dashmap | arc-swap | |
|---|---|---|---|
| Health Score | 63 | 71 | 70 |
| Total Downloads | 15.4M | 275.0M | 225.5M |
| 30d Downloads | 476.7K | 20.7M | 17.1M |
| Dependents | 653 | 55.7K | 11.7K |
| Releases | 3 | 85 | 46 |
| Last Updated | 632d ago | 8d ago | 52d ago |
| Age | 5y 8m | 6y 9m | 8y 1m |
Health Breakdown
atomic_float
Maintenance
4
Quality
22
Community
14
Popularity
8
Documentation
15
dashmap
Maintenance
18
Quality
16
Community
15
Popularity
8
Documentation
14
arc-swap
Maintenance
15
Quality
16
Community
19
Popularity
8
Documentation
12
Technical Details
| atomic_float | dashmap | arc-swap | |
|---|---|---|---|
| Version | 1.1.0 | 6.2.1 | 1.9.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 OR MIT OR Unlicense | MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 10 | 12 |
| Crate Size | 16KB | 27KB | 81KB |
| Features | 2 | 3 | 4 |
| Yanked % | 0.0% | 14.1% | 17.4% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | 1.60.0 | 1.65 | — |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •dashmap leads with a health score of 71/100, but none of the options score above 80.
- •dashmap is depended on by 55.7K crates — strongest ecosystem trust.
- •⚠ atomic_float has not been updated in over a year.