Skip to content

Improve compiler performance

This ticket is a place to collect MRs that are

  • Small tweaks to GHC's source code
  • That improve compile time performance
  • But don't change what code is generated

That is, they are source-code refactorings.

New analyses or transformations belong elsewhere.

  • #18202: making monads one-shot to get better eta
  • #18502: the flattener is slow
Edited by Simon Peyton Jones
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information