Decision Workspace
mlir-sys vs tracel-llvm vs melior
Side-by-side comparison of Rust crates
64
mlir-sys
stablev220.0.2
Rust bindings to the MLIR C API.
65
tracel-llvm
growingv22.1.4-3
Rust bindings for LLVM libraries used by CubeCL.
63
melior
growingv0.27.0
The rustic MLIR bindings in Rust
Core Metrics
| mlir-sys | tracel-llvm | melior | |
|---|---|---|---|
| Health Score | 64 | 65 | 63 |
| Total Downloads | 620.3K | 228.1K | 625.3K |
| 30d Downloads | 22.3K | 59.8K | 17.3K |
| Dependents | 212 | 16 | 89 |
| Releases | 20 | 9 | 90 |
| Last Updated | 41d ago | 11d ago | 61d ago |
| Age | 4y 6m | 8m | 3y 10m |
Health Breakdown
mlir-sys
Maintenance
16
Quality
19
Community
14
Popularity
7
Documentation
8
tracel-llvm
Maintenance
18
Quality
20
Community
9
Popularity
6
Documentation
12
melior
Maintenance
15
Quality
15
Community
13
Popularity
7
Documentation
13
Technical Details
| mlir-sys | tracel-llvm | melior | |
|---|---|---|---|
| Version | 220.0.2 | 22.1.4-3 | 0.27.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | non-standard | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 1 | 2 | 5 |
| Crate Size | 8KB | 16KB | 95KB |
| Features | 1 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 4.4% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.87 | — |
| Owners | 3 | 1 | 3 |
Links
Quick Verdict
- •tracel-llvm leads with a health score of 65/100, but none of the options score above 80.
- •melior has the most downloads (625.3K), suggesting wider adoption.
- •mlir-sys is depended on by 212 crates — strongest ecosystem trust.
- •melior is pre-1.0 — API may change.