It's pretty standard, yes (we implement for handling the global block
#8732: Global big object heap allocator lock causes contention --------------------------------------------+------------------------------ Reporter: tibbe | Owner: simonmar Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Runtime System | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime performance bug | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Comment (by tibbe): Replying to [comment:5 ezyang]: pool), but it does mean all of that code would have to be made thread- local. I guess that means even worse performance problems on OS X? Even if it does, it sounds like the right thing to do. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8732#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler