Did you look at the amount of heap the compiler allocated? It's easily discoverable (eg use +RTS -s, and it's in the nofib logs too, though I > don't think nofib-analyse looks for it. (You could fix nofib-analyse so
#8173: GHC uses nub -------------------------------------------------+------------------------- Reporter: nh2 | Owner: Type: bug | Status: new Priority: low | Milestone: Component: Compiler | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time performance bug | Unknown/Multiple Test Case: | Difficulty: Blocking: | Unknown | Blocked By: | Related Tickets: -------------------------------------------------+------------------------- Changes (by leroux): * owner: leroux => * difficulty: Moderate (less than a day) => Unknown * status: closed => new * resolution: wontfix => * priority: normal => low Comment: that it does.) I'm working on fixing nofib-analyse up so that we can extract compile allocation info. Thanks for the motivation, SPJ! =) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8173#comment:14 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler