Nick Babcock personal blog
Default musl allocator considered harmful to performance
In a real world benchmark, the default musl allocator caused a 7x slowdown compared to other allocators. I recommend all Rust projects immediately swap to a different allocator in a musl environment.
- Points
- 104
- HN comments
- 90
- Submissions
- 1
- Cited by
- 0 commenters
Systems & PerformanceSoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Sep 5, 2025 | Default musl allocator considered harmful to performance by fanf2 | 104 | 90 |