[GHC] #13535: vector test suite uses excessive memory on GHC 8.2

GHC ghc-devs at haskell.org
Thu Jul 6 04:38:08 UTC 2017


#13535: vector test suite uses excessive memory on GHC 8.2
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10800            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by dfeuer):

 I've attached a diff of the results of `-ddump-ds -dsuppress-uniques`
 before and after the offending patch. The change looks pretty small, but
 something is blowing everything up.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13535#comment:33>
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