[GHC] #8173: GHC uses nub

GHC ghc-devs
Thu Oct 3 22:25:25 UTC 2013


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

 * owner:  leroux =>
 * difficulty:  Moderate (less than a day) => Unknown
 * status:  closed => new
 * resolution:  wontfix =>
 * priority:  normal => low


Comment:

 > Did you look at the amount of heap the compiler allocated? It's easily
 discoverable (eg use +RTS -s, and it's in the nofib logs too, though I >
 don't think nofib-analyse looks for it. (You could fix nofib-analyse so
 that it does.)

 I'm working on fixing nofib-analyse up so that we can extract compile
 allocation info.

 Thanks for the motivation, SPJ! =)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8173#comment:14>
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