[GHC] #11783: Very large slowdown when using parallel garbage collector

GHC ghc-devs at haskell.org
Mon Apr 11 01:06:40 UTC 2016


#11783: Very large slowdown when using parallel garbage collector
-------------------------------------+-------------------------------------
        Reporter:  luispedro         |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.2
       Component:  Runtime System    |              Version:  7.10.3
      Resolution:                    |             Keywords:  performance,
                                     |  garbage collector
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonmar):

 * owner:   => simonmar
 * priority:  normal => high
 * milestone:   => 8.0.2


Comment:

 I'm able to reproduce this, but I don't know what the cause is yet.
 Thanks for the test case!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11783#comment:2>
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