[GHC] #7602: Threaded RTS performing badly on recent OS X (10.8?)

[GHC]

#7602: Threaded RTS performing badly on recent OS X (10.8?)
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    Reporter:  simonmar        |       Owner:  thoughtpolice
        Type:  bug             |      Status:  new          
    Priority:  normal          |   Milestone:  _|_          
   Component:  Runtime System  |     Version:  7.7          
    Keywords:                  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)  |     Failure:  None/Unknown 
  Difficulty:  Unknown         |    Testcase:               
   Blockedby:  7678            |    Blocking:               
     Related:                  |  
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Comment(by chak):

 Any news here? Did you check out the Xcode 5 DP? It's now clang or
 nothing.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7602#comment:18>
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