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5min chapter
Refactoring to Rust with Lily Mara
Rustacean Station
How to Use Rust as FFI
Lilly Merrell: If you believe that adding Rust to your program is going to resolve a performance problem for you, find some way to back that up. The more times you have to pass structured data back and forth between your host language and Rust, the more complicated everything is going to get. Don't stop benchmarking and testing just because you've identified your bottleneck. Once you have figured out that there's a bottleneck in Python and I think I can make it faster with Rust, do the refactor to Rust and then run the benchmark test again.
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