[GHC] #13851: Change in specialisation(?) behaviour since 8.0.2 causes 6x slowdown

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Fri Jan 18 10:15:11 UTC 2019


#13851: Change in specialisation(?) behaviour since 8.0.2 causes 6x slowdown
-------------------------------------+-------------------------------------
        Reporter:  mpickering        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:                    |             Keywords:  inlining,
                                     |  Specialise, Simplifier
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * keywords:  inlining => inlining, Specialise, Simplifier


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13851#comment:12>
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