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Blazingly Fast or Blazingly Hyped? A Reality Check on the RIIR Movement

This talk puts popular Rust rewrites to the test. We'll examine how these tools stack up against their battle-tested predecessors, looking at real-world performance, compilation times, binary sizes, feature completeness, and ecosystem maturity.

Marek Grzelak
Mateusz Maćkowski
About This Talk

The Rust ecosystem loves to claim tools are 🚀 blazingly fast 🚀, and the "Rewrite It In Rust" movement has given us alternatives to everything from CLI utilities to web servers. But are these replacements actually faster? Or is the RIIR movement more about memory safety theater than real performance gains?

This talk puts popular Rust rewrites to the test. We'll examine how these tools stack up against their battle-tested predecessors, looking at real-world performance, compilation times, binary sizes, feature completeness, and ecosystem maturity. Some Rust tools genuinely deliver on their promises—but others might be solving problems that don't exist. Whether you're a RIIR evangelist or a skeptic, you'll walk away with data-driven insights into when Rust replacements make sense and when the original is still the better choice. Expect honest assessments, performance comparisons, and maybe fewer rocket emojis.

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Centrum Konferencyjne POLIN, Poland
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