[GHC] #9476: Implement late lambda-lifting

[GHC]

#9476: Implement late lambda-lifting
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        Reporter:  simonpj           |                Owner:  sgraf
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  7.8.2
      Resolution:  fixed             |             Keywords:  LateLamLift
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8763 #13286      |  Differential Rev(s):  Phab:D5224
       Wiki Page:  LateLamLift       |
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Comment (by simonpj):

 I think there is an option to force GC to happen more frequently, but I
 can't see it in the manual.  Simon Marlow might know.

 In any case, getting an accurate residency profile, by using one
 generation and frequent gcs, is a Good Thing.  when you do that, to the
 residency profiles of the two versions differ?  I didn't understand the
 figures you show above.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9476#comment:67>
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