[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):

 Haven't done the GHC tests yet, but over ICFP I realized I hadn't run the
 GC nofib tests. They look really good:

 {{{
 --------------------------------------------------------------------------------
         Program           Size    Allocs   Runtime   Elapsed  TotalMem
 --------------------------------------------------------------------------------
         circsim          +5.5%     +0.0%     -1.3%     -1.4%     +0.0%
     constraints          +5.5%     +0.0%     -3.6%     -3.6%     +0.0%
        fibheaps          +5.5%     +0.0%     -1.0%     -1.0%     +0.0%
          fulsom          +5.7%     +0.0%     -1.1%     -1.0%     +3.0%
        gc_bench          +5.5%     +0.0%     -1.0%     -1.0%     +0.0%
           happy          +5.9%     +0.0%     -0.3%     -0.3%     -0.3%
            hash          +5.5%     +0.0%     -4.7%     -4.6%     +0.1%
            lcss          +5.5%     +0.0%     -7.2%     -7.2%     +0.0%
       mutstore1          +5.5%     +0.0%     -1.5%     -1.5%     +0.0%
       mutstore2          +5.5%     +0.0%     -3.3%     -3.4%     +0.0%
           power          +5.5%     +0.0%     -2.4%     -2.9%     -1.0%
      spellcheck          +7.4%     +0.0%     -6.5%     -6.5%     +0.0%
 --------------------------------------------------------------------------------
             Min          +5.5%     +0.0%     -7.2%     -7.2%     -1.0%
             Max          +7.4%     +0.0%     -0.3%     -0.3%     +3.0%
  Geometric Mean          +5.7%     +0.0%     -2.9%     -2.9%     +0.1%
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8199#comment:17>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler