Decision Workspace
half vs float16 vs half-2
Side-by-side comparison of Rust crates
61
half
growingv2.7.1
Half-precision floating point f16 and bf16 types for Rust implementing the IEEE 754-2008 standard binary16 and bfloat16 types.
54
float16
growingv0.1.5
Half-precision floating point f16 and bf16 types for Rust implementing the IEEE 754-2008 standard binary16 and bfloat16 types.
48
half-2
growingv2.4.2
Fork of starkat99/half-rs. Half-precision floating point f16 and bf16 types for Rust implementing the IEEE 754-2008 standard binary16 and bfloat16 types.
Core Metrics
| half | float16 | half-2 | |
|---|---|---|---|
| Health Score | 61 | 54 | 48 |
| Total Downloads | 378.1M | 1.9M | 3.0K |
| 30d Downloads | 19.6M | 235.4K | 0 |
| Dependents | 15.8K | 12 | 0 |
| Releases | 33 | 6 | 2 |
| Last Updated | 273d ago | 278d ago | 496d ago |
| Age | 10y 3m | 1y 7m | 1y 7m |
Health Breakdown
half
Maintenance
9
Quality
17
Community
15
Popularity
8
Documentation
12
float16
Maintenance
8
Quality
17
Community
9
Popularity
8
Documentation
12
half-2
Maintenance
6
Quality
20
Community
6
Popularity
4
Documentation
12
Technical Details
| half | float16 | half-2 | |
|---|---|---|---|
| Version | 2.7.1 | 0.1.5 | 2.4.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 15 | 2 | 15 |
| Crate Size | 61KB | 50KB | 58KB |
| Features | 7 | 2 | 6 |
| Yanked % | 12.1% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.81 | 1.60 | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •half leads with a health score of 61/100, but none of the options score above 80.
- •half is depended on by 15.8K crates — strongest ecosystem trust.
- •⚠ half-2 has not been updated in over a year.
- •float16 is pre-1.0 — API may change.