[GHC] #7606: Stride scheduling for Haskell threads with priorities

[GHC]

#7606: Stride scheduling for Haskell threads with priorities
---------------------------------+------------------------------------------
    Reporter:  ezyang            |       Owner:  ezyang          
        Type:  feature request   |      Status:  new             
    Priority:  normal            |   Milestone:  7.8.1           
   Component:  Runtime System    |     Version:  7.7             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by ezyang):

 Erm, sorry, that's not quite right. Here is a better set of numbers
 comparing without and with sleeper fairness.

 {{{
     callback001          -0.0%     +0.0%     -8.8%     -8.6%     +0.0%
     callback002          -0.0%     +0.0%     -2.9%     -3.0%     +0.0%
            chan          -0.0%     +0.0%     -0.3%     -0.1%     -0.6%
           sieve          -0.0%     +0.0%     -0.9%     -0.7%     +0.0%
      threads001          -0.0%     +0.0%     -1.7%     -1.8%     +0.0%
      threads003          -0.0%     +0.0%     -0.2%     -0.2%     +3.4%
      threads006          -0.0%     +0.0%     +0.6%     +0.0%     +0.0%
      threads007          -0.0%     +7.1%     -3.1%     -2.8%    -47.0%
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7606#comment:26>
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