Decision Workspace
ranged-mmap vs tiverse-mmap vs memmap2
Side-by-side comparison of Rust crates
46
ranged-mmap
experimentalv0.4.0
Type-safe memory-mapped file library with lock-free concurrent writes to non-overlapping ranges
47
tiverse-mmap
experimentalv1.0.0
Modern, safe, and ergonomic memory-mapped file I/O library with zero unsafe in public API
66
memmap2
growingv0.9.10
Cross-platform Rust API for memory-mapped file IO
Core Metrics
| ranged-mmap | tiverse-mmap | memmap2 | |
|---|---|---|---|
| Health Score | 46 | 47 | 66 |
| Total Downloads | 338 | 93 | 212.7M |
| 30d Downloads | 29 | 30 | 16.0M |
| Dependents | 0 | 0 | 14.4K |
| Releases | 7 | 1 | 35 |
| Last Updated | 115d ago | 148d ago | 40d ago |
| Age | 4m | 4m | 6y 2m |
Health Breakdown
ranged-mmap
Maintenance
13
Quality
11
Community
6
Popularity
3
Documentation
13
tiverse-mmap
Maintenance
6
Quality
18
Community
6
Popularity
2
Documentation
15
memmap2
Maintenance
16
Quality
11
Community
16
Popularity
8
Documentation
15
Technical Details
| ranged-mmap | tiverse-mmap | memmap2 | |
|---|---|---|---|
| Version | 0.4.0 | 1.0.0 | 0.9.10 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 12 | 4 |
| Crate Size | 40KB | 59KB | 35KB |
| Features | 2 | 6 | 0 |
| Yanked % | 14.3% | 0.0% | 5.7% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.70 | 1.63 |
| Owners | 1 | 1 | 4 |
Links
Quick Verdict
- •memmap2 leads with a health score of 66/100, but none of the options score above 80.
- •memmap2 is depended on by 14.4K crates — strongest ecosystem trust.
- •ranged-mmap, memmap2 are pre-1.0 — API may change.