[GHC] #5642: Deriving Generic of a big type takes a long time and lots of space

GHC ghc-devs at haskell.org
Thu Aug 25 16:07:19 UTC 2016


#5642: Deriving Generic of a big type takes a long time and lots of space
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        Reporter:  basvandijk        |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.3
      Resolution:                    |             Keywords:  deriving-
                                     |  perf, Generics
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:  T5642
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2304
       Wiki Page:                    |
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Changes (by bgamari):

 * owner:  bgamari =>
 * status:  merge => new


Comment:

 Merged comment:41 to `ghc-8.0` as
 1c310133bbea168356e86aa38771f0da0d1315af.

 Reopening as there is likely more to be done here.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5642#comment:47>
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