[GHC] #8173: GHC uses nub

[GHC]

#8173: GHC uses nub
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        Reporter:  nh2               |            Owner:  leroux
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Compile-time      |       Difficulty:  Moderate (less
  performance bug                    |  than a day)
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by simonpj):

 A 5% improvement in compile time is remarkable, if it's true.  Great!  But
 I'm always worried about the noise in compile times measured in seconds.
 It would be great if you could do a sanity check by looking at how much
 GHC itself allocates in the before and after cases.

 Simon

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8173#comment:11>
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