# Mysterious performance difference

**URL:** <https://discourse.haskell.org/t/mysterious-performance-difference/8962>\
**Category:** Uncategorized\
**Created:** [March 5, 2024, 6:25pm UTC](https://discourse.haskell.org/t/mysterious-performance-difference/8962 "2024-03-05T18:25:31Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![emiruz](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.haskell.org/emiruz/32/4042_2.png) [@emiruz](https://discourse.haskell.org/u/emiruz)\
**Post date:** [March 5, 2024, 8:01pm UTC](https://discourse.haskell.org/t/mysterious-performance-difference/8962/3 "2024-03-05T20:01:42Z")

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“If in doubt, bang it out” 🙂

Shebangs all over the place seem to help. Reminds me a little bit of the `cut` operator in Prolog.

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