A Beginner's Guide to High-Performance Integration
summary
Benchmarks an N-body particle simulation where native code computes positions and Dart paints with CustomPainter; native libraries are produced with CMake/cargo and bindings generated by ffigen. Pure Dart version runs ~20 FPS; switching to Rust pushes it above 60 FPS; C/C++ shows up to ~70–80 FPS on one compiler but drops to ~13 on a different chip depending on flags. Switching Dart data structures to Float64List typed data gives ~+40 FPS, and Rust libraries on macOS/iOS require manual linking into the Xcode workspace.
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chapters (10)
- 0:00FFI introduction
- 3:12Setting up the performance benchmark demo
- 7:51Dart with C via FFI
- 9:15Rust FFI integration
- 12:07Platform FFI challenges
- 13:37Particle simulation demo
- 15:46Language performance comparison
- 17:56Optimizing Dart with typed data
- 21:00Dart boxing behavior
- 23:10Summary and Q&A
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