[GHC] #10397: Compiler performance regression 7.6 -> 7.8 in elimCommonBlocks

GHC ghc-devs at haskell.org
Fri May 15 20:41:28 UTC 2015


#10397: Compiler performance regression 7.6 -> 7.8 in elimCommonBlocks
-------------------------------------+-------------------------------------
        Reporter:  TobyGoodwin       |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.4
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |  performance
 Type of failure:  None/Unknown      |            Architecture:
      Blocked By:                    |  Unknown/Multiple
 Related Tickets:                    |               Test Case:  see ticket
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by nomeata):

 Right. But the inliner issue needs to be recorded – will you file a
 separate bug about this?

 Then we need a test case that exercises the elimCommonBlocks only. Let’s
 see if I can write some nonsensical code that is basically only a large
 number of almost equal blocks.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10397#comment:5>
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