[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:                  
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:  _|_             
   Component:  Runtime System    |     Version:  7.6.1           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonmar):

 Does the support for TLS compile down to calls to
 `pthread_getspecific`/`pthread_getspecific`?  If so, that won't help much
 - we could remove some hacks from the code, but it will still perform
 badly.  Someone with a Mac will need to do some measurements to be sure.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7602#comment:3>
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