#8763: forM_ [1..N] does not get fused (10 times slower than go function) -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.8.1 Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #7206 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by George): As this is now 4 years old, does it make sense to open a new issue and close this one? My problem of 3 years ago is basically fixed. In any case I have uploaded a fixed version, reprof.hs of repro,hs which was modifed per the comments in 49 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8763#comment:67 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler