[GHC] #9520: Running an action twice uses much more memory than running it once

[GHC]

#9520: Running an action twice uses much more memory than running it once
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        Reporter:  snoyberg          |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.3
      Resolution:  invalid           |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Runtime           |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8457, #12620     |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 Terrific.  I've added it to the [https://wiki.haskell.org/Performance
 Haskell Performance Resource]

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9520#comment:17>
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