Decision Workspace
d-ary-heap vs pie_core vs leonardo-heap
Side-by-side comparison of Rust crates
51
d-ary-heap
experimentalv2.5.0
Generic d-ary heap priority queue supporting min/max via comparator, with O(1) item lookup for updates. Features configurable arity, efficient priority updates, and cross-language API compatibility.
55
pie_core
experimentalv0.2.14
A high-performance, index-based data structure toolkit. Provides an arena allocator (ElemPool) used to build a cache-friendly PieList (doubly-linked list) and FibHeap (priority queue).
34
leonardo-heap
growingv0.3.0
Heap structure supporting fast in-place partial sorting
Core Metrics
| d-ary-heap | pie_core | leonardo-heap | |
|---|---|---|---|
| Health Score | 51 | 55 | 34 |
| Total Downloads | 70 | 947 | 6.0K |
| 30d Downloads | 33 | 41 | 5 |
| Dependents | 0 | 0 | 0 |
| Releases | 2 | 12 | 3 |
| Last Updated | 60d ago | 11d ago | 2861d ago |
| Age | 2m | 5m | 9y 11m |
Health Breakdown
d-ary-heap
Maintenance
10
Quality
20
Community
6
Popularity
2
Documentation
13
pie_core
Maintenance
18
Quality
14
Community
6
Popularity
4
Documentation
13
leonardo-heap
Maintenance
3
Quality
15
Community
3
Popularity
5
Documentation
8
Technical Details
| d-ary-heap | pie_core | leonardo-heap | |
|---|---|---|---|
| Version | 2.5.0 | 0.2.14 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 | MPL-2.0 | MIT/Apache-2.0 |
| Dependencies | 0 | 11 | 1 |
| Crate Size | 25KB | 165KB | 12KB |
| Features | 2 | 5 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | — |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •pie_core leads with a health score of 55/100, but none of the options score above 80.
- •leonardo-heap has the most downloads (6.0K), suggesting wider adoption.
- •⚠ leonardo-heap has not been updated in over a year.
- •pie_core, leonardo-heap are pre-1.0 — API may change.