I'm a bit puzzled. If I run the same executable without flags, it
#7850: Strangely high memory usage on optimized Ackermann function ---------------------------------+------------------------------------------ Reporter: dolio | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.2 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: Runtime performance bug Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by refold): Replying to [comment:18 adinapoli]: literally eat up my memory in seconds. Yes, I also noticed that. Running the program with heap profiling enabled makes the problem go away. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7850#comment:19 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler