Decision Workspace
ptr_hash vs mphf_benchmark vs entropy-map
Side-by-side comparison of Rust crates
48
ptr_hash
growingv1.1.0
A high-throughput minimal perfect hash function
52
mphf_benchmark
growingv0.3.6
The program for benchmarking Minimal Perfect Hash Functions
52
entropy-map
growingv1.1.0
Ultra-low latency hash map using minimal perfect hash functions and compact encoding of values, minimizing memory footprint and storage size for efficient data retrieval.
Core Metrics
| ptr_hash | mphf_benchmark | entropy-map | |
|---|---|---|---|
| Health Score | 48 | 52 | 52 |
| Total Downloads | 6.7K | 21.3K | 472.8K |
| 30d Downloads | 601 | 25 | 57.8K |
| Dependents | 7 | 0 | 1 |
| Releases | 5 | 21 | 2 |
| Last Updated | 206d ago | 197d ago | 493d ago |
| Age | 2y 4m | 3y 3m | 1y 5m |
Health Breakdown
ptr_hash
Maintenance
8
Quality
17
Community
8
Popularity
5
Documentation
10
mphf_benchmark
Maintenance
11
Quality
17
Community
6
Popularity
5
Documentation
13
entropy-map
Maintenance
6
Quality
19
Community
7
Popularity
7
Documentation
13
Technical Details
| ptr_hash | mphf_benchmark | entropy-map | |
|---|---|---|---|
| Version | 1.1.0 | 0.3.6 | 1.1.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 33 | 14 | 13 |
| Crate Size | 46KB | 34KB | 30KB |
| Features | 4 | 12 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mphf_benchmark leads with a health score of 52/100, but none of the options score above 80.
- •entropy-map has the most downloads (472.8K), suggesting wider adoption.
- •⚠ entropy-map has not been updated in over a year.
- •mphf_benchmark is pre-1.0 — API may change.