Decision Workspace
constraint-theory-metrics vs ct-bench vs metrics-lib
Side-by-side comparison of Rust crates
43
constraint-theory-metrics
experimentalv0.1.0
Benchmarking and analysis tools for constraint theory — distribution analysis, correctness verification, performance measurement
38
ct-bench
experimentalv0.1.0
Reproducible benchmark suite for constraint theory — snap, holonomy, deadband, distribution across all backends
63
metrics-lib
growingv1.0.0
High-performance Rust metrics library: sub-2ns counters, sub-1ns gauges, nanosecond timers, tumbling-window rate meters, async timing, adaptive sampling, and system health. Cross-platform with minimal dependencies.
Core Metrics
| constraint-theory-metrics | ct-bench | metrics-lib | |
|---|---|---|---|
| Health Score | 43 | 38 | 63 |
| Total Downloads | 45 | 18 | 35.1K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 1 | 0 | 19 |
| Releases | 1 | 1 | 12 |
| Last Updated | 78d ago | 78d ago | 55d ago |
| Age | 2m | 2m | 10m |
Health Breakdown
constraint-theory-metrics
Maintenance
9
Quality
15
Community
7
Popularity
2
Documentation
10
ct-bench
Maintenance
9
Quality
14
Community
6
Popularity
2
Documentation
7
metrics-lib
Maintenance
16
Quality
17
Community
10
Popularity
5
Documentation
15
Technical Details
| constraint-theory-metrics | ct-bench | metrics-lib | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 0 | 3 | 19 |
| Crate Size | 4KB | 9KB | 218KB |
| Features | 0 | 0 | 17 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •metrics-lib leads with a health score of 63/100, but none of the options score above 80.
- •constraint-theory-metrics, ct-bench are pre-1.0 — API may change.