[GHC] #8199: Get rid of HEAP_ALLOCED

[GHC]

#8199: Get rid of HEAP_ALLOCED
----------------------------+----------------------------------------------
        Reporter:  ezyang   |            Owner:  ezyang
            Type:  feature  |           Status:  new
  request                   |        Milestone:  7.10.1
        Priority:  normal   |          Version:  7.7
       Component:           |         Keywords:
  Compiler                  |     Architecture:  Unknown/Multiple
      Resolution:           |       Difficulty:  Project (more than a week)
Operating System:           |       Blocked By:  5435
  Unknown/Multiple          |  Related Tickets:
 Type of failure:           |
  None/Unknown              |
       Test Case:           |
        Blocking:           |
----------------------------+----------------------------------------------

Comment (by ezyang):

 And the GC results:

 {{{
 --------------------------------------------------------------------------------
         Program           Size    Allocs   Runtime   Elapsed  TotalMem
 --------------------------------------------------------------------------------
         circsim          -0.5%     -0.0%     -0.9%     -0.9%     +4.4%
     constraints          -0.5%     -0.0%     -1.9%     -2.0%     +0.2%
        fibheaps          -0.5%     -0.0%     -2.1%     -2.1%      0.0%
          fulsom          -0.5%     -0.0%     -2.6%     -2.6%     -6.4%
        gc_bench          -0.5%     -0.0%     -6.8%     -6.8%    -11.6%
           happy          -0.4%     -0.0%     -4.0%     -4.0%      0.0%
            hash          -0.5%     -0.0%     -5.4%     -5.4%      0.0%
            lcss          -0.5%     -0.0%     -7.2%     -7.2%      0.0%
       mutstore1          -0.5%     -0.0%     -3.1%     -3.1%     +4.5%
       mutstore2          -0.5%     -0.0%     -1.9%     -1.9%     +0.8%
           power          -0.5%     -0.0%     -4.7%     -4.7%      0.0%
      spellcheck          -0.4%     -0.0%     -1.0%     -0.9%     +1.5%
 --------------------------------------------------------------------------------
             Min          -0.5%     -0.0%     -7.2%     -7.2%    -11.6%
             Max          -0.4%     -0.0%     -0.9%     -0.9%     +4.5%
  Geometric Mean          -0.5%     -0.0%     -3.5%     -3.5%     -0.6%
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8199#comment:34>
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