Rolldown: Rollup compatible bundler written in Rust

Re:Rolldown: Rollup compatible bundler written in Rust by swsieber on Friday March 08, 2024 @09:04AM (#39641140)

I mean... if it was me:

1) I know Rust, not Go (esbuild is written in go-lang)

2) I don't have to worry as much about breaking Rollup, and I'm not nearly as confident in my ability to write performant JS as I am in writing performant Rust.

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Re:Rolldown: Rollup compatible bundler written in Rust by Tade0 on Friday March 08, 2024 @03:04PM (#39645678)

My experience is that the main reason why Rust is faster than JS in some applications is that the latter tends to do a lot of copying and other memory-intensive tasks - especially those related to running the JS virtual machine.

If you can reduce the problem to a series of operations on pre-allocated typed arrays, JS is fast enough.

Unfortunately in the case of Rollup that would be hard to do.

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