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Re:Emacs-ng: Emacs with Deno runtime and TypeScript by cle on Tuesday March 16, 2021 @02:50PM (#26481174)
While technically true, you can still improve performance of existing Elisp code by redefining certain commonly-used Elisp functions perform better in Deno.

Sure the Elisp bytecode itself doesn't evaluate faster, but that distinction isn't really important here. The end-to-end perf of certain functions can be improved in a backwards-compatible way.

Re:Emacs-ng: Emacs with Deno runtime and TypeScript by dleslie on Tuesday March 16, 2021 @05:39PM (#26483397)
If we're entertaining writing elisp methods in a faster language to improve overall performance, then it's already been done and being done via writing methods in C.

I don't see the point of polluting Emacs with Javascript.

Re:Emacs-ng: Emacs with Deno runtime and TypeScript by cle on Wednesday March 17, 2021 @11:36AM (#26492658)
Instructing users who want high-performance code in Emacs to write their code in C and rebuild their Emacs binary, or figure out how to make it a dynamic module, is about the most user-hostile way I can imagine to improve Emacs performance.