DevInfoQabout 1 hour ago
Discord Engineer Details Incremental Rust Refactoring via FFI
1 min read
Lily Mara, a Staff Engineer at Discord, presented a method for incrementally integrating Rust into existing codebases using Foreign Function Interface (FFI) refactoring. The approach replaces Python bottlenecks with Rust via PyO3 to achieve function-level speedups and cost savings without full rewrites or microservice overhead.
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