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by sickill
1668 days ago
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> The speedup is not a result of abandoning clojurescript, it's from moving from immutable data structures to mutable arrays and primitives. The same can be done in clojurescript or javascript. More or less, yes. The majority of the perf increase here came from two things: 1. going from immutable->mutable, 2. going from CLJS/JS->Rust in the perf critical part. Doing just 1. would likely improve the performance, but not as much as doing both 1. and 2. Doing just 1. while staying with ClojureScript could potentially be accomplished with transients [0] at the cost of making a major chunk of the code non-idiomatic Clojure. I actually played with transients here before attempting the rewrite, but haven't got too promising results though. [0] https://clojure.org/reference/transients |
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