[GHC] #8732: Global big object heap allocator lock causes contention

[GHC]

#8732: Global big object heap allocator lock causes contention
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        Reporter:  tibbe             |                Owner:  simonmar
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Runtime System    |              Version:  7.6.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by dobenour):

 Ask the TCMalloc or JEmalloc developers?  They have solved this problem,
 and even if GHC can't use them directly, the algorithms used in them could
 be used.

 Also, I am wondering if the current large object limit is too small.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8732#comment:19>
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