Decision Workspace
blackopt vs optimizer vs pessimize
Side-by-side comparison of Rust crates
39
blackopt
experimentalv0.0.1
Black-box optimization with TPE, CMA-ES, MORBO, NSGA-II/III, and more
58
optimizer
experimentalv1.0.1
Bayesian and population-based optimization library with an Optuna-like API for hyperparameter tuning and black-box optimization
58
pessimize
stablev3.0.2
More efficient Rust compiler optimization barriers
Core Metrics
| blackopt | optimizer | pessimize | |
|---|---|---|---|
| Health Score | 39 | 58 | 58 |
| Total Downloads | 52 | 3.5K | 14.5K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 2 | 0 |
| Releases | 1 | 6 | 6 |
| Last Updated | 117d ago | 73d ago | 141d ago |
| Age | 3m | 5m | 2y 6m |
Health Breakdown
blackopt
Maintenance
7
Quality
12
Community
6
Popularity
2
Documentation
12
optimizer
Maintenance
15
Quality
17
Community
7
Popularity
4
Documentation
15
pessimize
Maintenance
12
Quality
23
Community
6
Popularity
5
Documentation
12
Technical Details
| blackopt | optimizer | pessimize | |
|---|---|---|---|
| Version | 0.0.1 | 1.0.1 | 3.0.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MPL-2.0 |
| Dependencies | 10 | 15 | 3 |
| Crate Size | 92KB | 248KB | 50KB |
| Features | 0 | 9 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 1.89 | 1.89.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •optimizer leads with a health score of 58/100, but none of the options score above 80.
- •pessimize has the most downloads (14.5K), suggesting wider adoption.
- •blackopt is pre-1.0 — API may change.