Optimizing Your Code with Babel
summary
Claims that a babel plugin implements the Haskell shortcut fusion foldr/build fusion to remove intermediate arrays and compile chained map filter join calls into a single loop so K·n allocations become one and temporal locality improves. Built Deforest as a compiler‑side functional library that compiles to hand‑written looking loops. Microbenchmarks show meaningful speedups, memory wins are expected but not yet fully measured, and the plugin targets drop‑in use with Ramda/Lodash style APIs.
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chapters (6)
- 0:00Optimizing with Babel
- 1:10Performance issues: map vs filter
- 6:31Compile-time solutions with Babel
- 13:59Fold-right and build patterns
- 19:42Edge cases and future plans
- 21:52Q&A
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