Decision Workspace
crous-simd vs vlen vs base64-turbo
Side-by-side comparison of Rust crates
54
crous-simd
experimentalv1.1.0
Optional SIMD-accelerated routines for Crous encoding/decoding
50
vlen
experimentalv0.3.0
High-performance variable-length integer encoding with SIMD optimizations, embedded support, and enhanced functionality
43
base64-turbo
experimentalv0.1.6
The fastest memory-safe Base64 engine. Formally verified (Kani/MIRI). Features runtime AVX2/AVX512 detection, zero-allocation API, and robust no_std support.
Core Metrics
| crous-simd | vlen | base64-turbo | |
|---|---|---|---|
| Health Score | 54 | 50 | 43 |
| Total Downloads | 30 | 1.6K | 224 |
| 30d Downloads | 8 | 154 | 38 |
| Dependents | 0 | 15 | 0 |
| Releases | 2 | 5 | 7 |
| Last Updated | 30d ago | 122d ago | 41d ago |
| Age | 1m | 8m | 2m |
Health Breakdown
crous-simd
Maintenance
12
Quality
19
Community
6
Popularity
2
Documentation
15
vlen
Maintenance
12
Quality
15
Community
9
Popularity
4
Documentation
10
base64-turbo
Maintenance
10
Quality
9
Community
6
Popularity
3
Documentation
15
Technical Details
| crous-simd | vlen | base64-turbo | |
|---|---|---|---|
| Version | 1.1.0 | 0.3.0 | 0.1.6 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MPL-2.0 | MIT OR Apache-2.0 |
| Dependencies | 1 | 8 | 4 |
| Crate Size | 8KB | 35KB | 36KB |
| Features | 2 | 5 | 4 |
| Yanked % | 0.0% | 0.0% | 57.1% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.85.0 | — | 1.89 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •crous-simd leads with a health score of 54/100, but none of the options score above 80.
- •vlen has the most downloads (1.6K), suggesting wider adoption.
- •vlen, base64-turbo are pre-1.0 — API may change.