#8027: Adding one call to getNumCapabilities triggers performance nose dive (6X slowdown) --------------------------------------+------------------------------------- Reporter: rrnewton | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Runtime System | Version: 7.6.3 Resolution: wontfix | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: Runtime performance bug | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: --------------------------------------+------------------------------------- Comment(by ezyang): He isn't referring to getNumCapabilities getting inlined; he's referring to the parReadNats function, which is polymorphic over Num instances. -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/8027#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler