Bundler can achieve performance comparable to uv without rewriting in Rust by addressing architectural bottlenecks. Key improvements include decoupling gem downloading from installation to enable parallel downloads, implementing a global cache with hardlinks, and optimizing version comparison using integer encoding. The main challenges are backwards compatibility and navigating legacy codebases, not fundamental technical limitations. Most performance gains come from what the tool doesn't do rather than the implementation language, with opportunities for parallelizing IO-bound operations and eliminating unnecessary sequential dependencies during installation.
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Rewrite in Rust?Installing code without eval’ingWhat uv dropsOptimizations that don’t need RustWhere Rust actually mattersWrapping this up1 Comment
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