#2289: Needless reboxing of values when returning from a tight loop -------------------------------------+------------------------------------- Reporter: dons | Owner: Type: bug | Status: new Priority: lowest | Milestone: 7.6.2 Component: Compiler | Version: 6.8.2 Resolution: | Keywords: boxing, loops, Operating System: Unknown/Multiple | performance Type of failure: Runtime | Architecture: Unknown/Multiple performance bug | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: #2387,#1600 -------------------------------------+------------------------------------- Comment (by simonpj): In fact it's orthogonal to do with loopification, which does not affect allocation. Its to do with nested CPR analysis, which I'm longing to do but keep getting diverted. Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/2289#comment:36 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler