Decision Workspace
flash-map vs cudarc vs scc
Side-by-side comparison of Rust crates
49
flash-map
experimentalv0.6.0
GPU-native concurrent hash map with bulk-only API. Robin Hood hashing, SoA layout, CUDA kernels. Designed for blockchain state, HFT, and batch-parallel workloads.
70
cudarc
growingv0.19.4
Safe and minimal CUDA bindings
68
scc
stablev3.6.12
A collection of high-performance asynchronous/concurrent containers with both asynchronous and synchronous interfaces
Core Metrics
| flash-map | cudarc | scc | |
|---|---|---|---|
| Health Score | 49 | 70 | 68 |
| Total Downloads | 156 | 3.1M | 53.8M |
| 30d Downloads | 156 | 919.7K | 5.9M |
| Dependents | 4 | 1.3K | 1.1K |
| Releases | 9 | 83 | 241 |
| Last Updated | 6d ago | 4d ago | 3d ago |
| Age | 26d | 3y 6m | 5y 4m |
Health Breakdown
flash-map
Maintenance
13
Quality
15
Community
8
Popularity
3
Documentation
10
cudarc
Maintenance
19
Quality
15
Community
15
Popularity
8
Documentation
13
scc
Maintenance
19
Quality
12
Community
14
Popularity
8
Documentation
15
Technical Details
| flash-map | cudarc | scc | |
|---|---|---|---|
| Version | 0.6.0 | 0.19.4 | 3.6.12 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 7 | 5 | 12 |
| Crate Size | 36KB | 654KB | 140KB |
| Features | 4 | 45 | 1 |
| Yanked % | 0.0% | 2.4% | 83.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •cudarc leads with a health score of 70/100, but none of the options score above 80.
- •scc has the most downloads (53.8M), suggesting wider adoption.
- •cudarc is depended on by 1.3K crates — strongest ecosystem trust.
- •flash-map, cudarc are pre-1.0 — API may change.