#13851: Change in specialisation(?) behaviour since 8.0.2 causes 6x slowdown -------------------------------------+------------------------------------- Reporter: mpickering | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.2.1-rc2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): Based on this diagnosis, I don't think we should hold up the release. It's not a bug in pass X that can readily be fixed; it's the (very difficult) challenge of making correct inlining decisions. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13851#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler