[GHC] #8313: Poor performance of higher-order functions with unboxing

[GHC]

#8313: Poor performance of higher-order functions with unboxing
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        Reporter:  dolio             |            Owner:
            Type:  task              |           Status:  new
        Priority:  low               |        Milestone:  _|_
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:  slow unboxed
Operating System:  Unknown/Multiple  |  higher order
 Type of failure:  Runtime           |     Architecture:  Unknown/Multiple
  performance bug                    |       Difficulty:  Easy (less than 1
       Test Case:                    |  hour)
        Blocking:                    |       Blocked By:  6084
                                     |  Related Tickets:
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Comment (by simonmar):

 The optimisation from #6084 is now committed.

 Todo: turn this program into a ''performance'' test, so that we can tell
 if the optimisation stops firing for any reason.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8313#comment:3>
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