#5367: Program in (-N1) runs 10 times slower than it with two threads (-N2)
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    Reporter:  wuxb            |        Owner:  simonmar               
        Type:  bug             |       Status:  new                    
    Priority:  high            |    Milestone:  7.4.1                  
   Component:  Runtime System  |      Version:  7.0.4                  
    Keywords:  thread ffi      |     Testcase:                         
   Blockedby:                  |   Difficulty:                         
          Os:  Linux           |     Blocking:                         
Architecture:  x86_64 (amd64)  |      Failure:  Runtime performance bug
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Changes (by simonmar):

  * owner:  => simonmar
  * priority:  normal => high
  * milestone:  => 7.4.1


Comment:

 Thanks, I'll take a look.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5367#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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