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by steveklabnik 3455 days ago
> Aim for 10 times faster.

What you aim for and what you achieve are different things. These things take time. We've been getting faster every release. 10x faster within a single six-week period is not realistic.

(Borrow checking is not generally the slowest part; it's the codegen. Which is LLVM. But also is the IR we feed to LLVM.)