Can confirm, Debug build runs in similar time to script. | Hacker News

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		nicky0 on Nov 11, 2016 \| parent \| context \| favorite \| on: A Very Simple Genetic Algorithm Written in Swift 3 Can confirm, Debug build runs in similar time to script.

Someone on Nov 11, 2016 [–]

Difference is that Release builds do whole-module optimization in Swift 3.

That allows for more aggressive code specialization and inlining and can remove more reference count updates (https://swift.org/blog/whole-module-optimizations/)

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