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A comment on How we made Haskell search strings as fast as Rust. Parent comment

Re:How we made Haskell search strings as fast as Rust by ruuda on Wednesday March 13, 2019 @07:32PM (#19385068)
We only did this to fix the performance regression we observed after upgrading to GHC 8.6, but in hindsight I think it is cleaner anyway. With GHC 8.2 the list construction was eliminated, but the optimization turned out to be fragile.
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