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Why is the Rust compiler so slow?

(sharnoff.io)
302 points Bogdanp | 3 comments | 26 Jun 25 19:29 UTC | HN request time: 0.638s | source
1. amelius ◴[27 Jun 25 08:51 UTC] No.44395066[source]▶
Meanwhile, other languages have a JIT compiler which compiles code as it runs. This would be great for development even if it turns out to be slower overall.
replies(1): >>44395153 #
2. akkad33 ◴[27 Jun 25 09:08 UTC] No.44395153[source]▶
Actually JITs can be faster than AOT compilation because they can be optimized for the current architecture they are running in. There were claims Julia, a JIT language can beat C in some benchmarks
replies(1): >>44395354 #
3. amelius ◴[27 Jun 25 09:45 UTC] No.44395354[source]▶
In fact, JITs can be faster because they can specialize code, i.e. make optimizations based on live data.