Refactoring coercionRoleKinds / coercionRole gives us another
#11735: Optimize coercionKind -------------------------------------+------------------------------------- Reporter: goldfire | Owner: (none) Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): performance boost That is totally bonkers (in a good way). From 43G down to 29G from that one change. Wow. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11735#comment:13 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler