Decision Workspace
tiverse-mmap vs mmap-io vs memmap2
Side-by-side comparison of Rust crates
47
tiverse-mmap
growingv1.0.0
Modern, safe, and ergonomic memory-mapped file I/O library with zero unsafe in public API
66
mmap-io
growingv1.0.0
Zero-copy memory-mapped file I/O for Rust. Safe concurrent reads, writes, and atomic views across Linux, macOS, and Windows. Built for databases, log structures, game runtimes, caches, and IPC.
63
memmap2
growingv0.9.10
Cross-platform Rust API for memory-mapped file IO
Core Metrics
| tiverse-mmap | mmap-io | memmap2 | |
|---|---|---|---|
| Health Score | 47 | 66 | 63 |
| Total Downloads | 99 | 8.2K | 246.7M |
| 30d Downloads | 0 | 0 | 18.8M |
| Dependents | 0 | 40 | 17.7K |
| Releases | 1 | 11 | 35 |
| Last Updated | 207d ago | 7d ago | 99d ago |
| Age | 6m | 9m | 6y 4m |
Health Breakdown
tiverse-mmap
Maintenance
5
Quality
19
Community
6
Popularity
2
Documentation
15
mmap-io
Maintenance
19
Quality
17
Community
10
Popularity
5
Documentation
15
memmap2
Maintenance
13
Quality
11
Community
16
Popularity
8
Documentation
15
Technical Details
| tiverse-mmap | mmap-io | memmap2 | |
|---|---|---|---|
| Version | 1.0.0 | 1.0.0 | 0.9.10 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 12 | 14 | 4 |
| Crate Size | 59KB | 178KB | 35KB |
| Features | 6 | 10 | 0 |
| Yanked % | 0.0% | 0.0% | 5.7% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.70 | 1.75 | 1.63 |
| Owners | 1 | 1 | 4 |
Links
Quick Verdict
- •mmap-io leads with a health score of 66/100, but none of the options score above 80.
- •memmap2 has the most downloads (246.7M), suggesting wider adoption.
- •memmap2 is depended on by 17.7K crates — strongest ecosystem trust.
- •memmap2 is pre-1.0 — API may change.