
#7977: Optimization: Shift dropped list heads by coeffecient to prevent thunk generation ---------------------------------+------------------------------------------ Reporter: schyler | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.4.2 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by simonpj): * difficulty: => Unknown Comment: I believe that you are proposing adding an optimising transformation to GHC, but I don't know exactly what is the general transformation you propose. Certainly one might optimise some special cases, but are they common? Are they easy to spot in Core? -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7977#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler