#7258: Compiling DynFlags is jolly slow -------------------------------------+------------------------------------- Reporter: simonpj | Owner: simonpj Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.1 Resolution: | Keywords: deriving-perf 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): Indeed, alexbiehl is on the way to implementing the "tantalising point" of comment:89. In a phone call today we agreed * That sharing the parent closure is a good thing to try; and not too hard. * That we should start * A ticket to track progress on it * A wiki page to explain how it all works -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7258#comment:91 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler