Decision Workspace
crc32c vs crc64fast-nvme vs crc-fast
Side-by-side comparison of Rust crates
52
crc32c
growingv0.6.8
Safe implementation for hardware accelerated CRC32C instructions with software fallback
64
crc64fast-nvme
stablev1.2.1
SIMD accelerated CRC-64/NVME checksum calculation
64
crc-fast
growingv1.10.0
World's fastest generic CRC16, CRC32, and CRC64 calculator using SIMD. Supplies a C-compatible shared library for use in other languages.
Core Metrics
| crc32c | crc64fast-nvme | crc-fast | |
|---|---|---|---|
| Health Score | 52 | 64 | 64 |
| Total Downloads | 58.2M | 7.8M | 19.3M |
| 30d Downloads | 3.5M | 848.0K | 4.4M |
| Dependents | 1.4K | 114 | 172 |
| Releases | 16 | 6 | 18 |
| Last Updated | 656d ago | 133d ago | 86d ago |
| Age | 8y 6m | 1y 6m | 11m |
Health Breakdown
crc32c
Maintenance
4
Quality
15
Community
13
Popularity
8
Documentation
12
crc64fast-nvme
Maintenance
12
Quality
20
Community
12
Popularity
8
Documentation
12
crc-fast
Maintenance
14
Quality
18
Community
12
Popularity
8
Documentation
12
Technical Details
| crc32c | crc64fast-nvme | crc-fast | |
|---|---|---|---|
| Version | 0.6.8 | 1.2.1 | 1.10.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0/MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 7 | 13 |
| Crate Size | 10KB | 78KB | 1.2MB |
| Features | 0 | 3 | 16 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.70.0 | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •crc64fast-nvme leads with a health score of 64/100, but none of the options score above 80.
- •crc32c has the most downloads (58.2M), suggesting wider adoption.
- •crc32c is depended on by 1.4K crates — strongest ecosystem trust.
- •⚠ crc32c has not been updated in over a year.
- •crc32c is pre-1.0 — API may change.