We sped up bun by 100x

vers.sh
April 2, 2026
1 min read
🔥🔥🔥🔥🔥
44/100
Summary
Bun has achieved a 100x speed increase by rewriting Git in the Zig programming language and integrating it into its runtime. This enhancement significantly improves performance for developers using Bun.
Coverage & discussions
Hacker News · vers.sh
Community discussions
Hacker News discussion ↗
Historical count: 5 · 5 saved in sample · Historical sample
Analysis ready
Community Sentiment
Positives
- The implementation of a git client in Zig demonstrates significant speed improvements for specific use cases, showcasing the potential of tailored solutions in software development.
- The effort to maintain a separate git implementation in Zig reflects a commitment to optimizing performance, which could inspire similar innovations in other projects.
Concerns
- The claim of a 100x speedup appears exaggerated, as the actual performance gains are comparable to existing git usage due to networking bottlenecks.
- Concerns about the sustainability of maintaining a separate git implementation highlight the challenges of keeping up with upstream changes and the potential for increased complexity.
- There are doubts about the reliability of AI-generated code, particularly regarding plagiarism and the lack of thoughtful architectural decisions in AI-rewritten projects.




