alt Hacker NewsI have not looked at the implementation but isn't the idea to write a Lispy language in Rust (in other words, Mathematica the language) and then write the differentiation and other routines in that.
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bonzini • today at 10:26 AM
No, they're implementing all functions, all matching etc. in Rust.
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They had to patch the Rust compiler to natively support AutoDiff.
Contrast with Julia where it can be a regular Julia library,