Decision Workspace
blink-alloc vs bump-scope vs concurrent-slotmap
Side-by-side comparison of Rust crates
55
blink-alloc
growingv0.4.0
Fast, concurrent, arena-based allocator with drop support
65
bump-scope
stablev2.2.0
A fast bump allocator that supports allocation scopes / checkpoints. Aka an arena for values of arbitrary types.
48
concurrent-slotmap
growingv0.2.0-alpha.1
A lock-free concurrent slotmap
Core Metrics
| blink-alloc | bump-scope | concurrent-slotmap | |
|---|---|---|---|
| Health Score | 55 | 65 | 48 |
| Total Downloads | 70.8K | 149.2K | 4.5K |
| 30d Downloads | 8.1K | 25.4K | 160 |
| Dependents | 72 | 13 | 2 |
| Releases | 12 | 86 | 3 |
| Last Updated | 106d ago | 30d ago | 245d ago |
| Age | 3y | 2y | 1y 6m |
Health Breakdown
blink-alloc
Maintenance
13
Quality
13
Community
11
Popularity
6
Documentation
12
bump-scope
Maintenance
17
Quality
18
Community
9
Popularity
6
Documentation
15
concurrent-slotmap
Maintenance
8
Quality
9
Community
12
Popularity
4
Documentation
15
Technical Details
| blink-alloc | bump-scope | concurrent-slotmap | |
|---|---|---|---|
| Version | 0.4.0 | 2.2.0 | 0.2.0-alpha.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 10 | 3 |
| Crate Size | 40KB | 240KB | 29KB |
| Features | 5 | 19 | 0 |
| Yanked % | 16.7% | 1.2% | 33.3% |
| Edition | 2018 | 2024 | 2021 |
| MSRV | — | 1.85.1 | 1.65 |
| Owners | 1 | 1 | 4 (team) |
Links
Quick Verdict
- •bump-scope leads with a health score of 65/100, but none of the options score above 80.
- •blink-alloc, concurrent-slotmap are pre-1.0 — API may change.