[GHC] #12999: Investigate use of floating-point arithmetic in I/O Event-handler

[GHC]

#12999: Investigate use of floating-point arithmetic in I/O Event-handler
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        Reporter:  hvr               |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  libraries/base    |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by winter):

 Replying to [comment:2 davean]:
 > That is just a faster version of the wrong thing.

 Can you explain what is the problem with an IntPSQ?

 > This bug was filed because I was working on fixing it correctly.

 Nice! If there any possibility we can get a stripped TimerManager(like the
 IOManager) which use a PSQ per core? It will help under high contention
 situation s.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12999#comment:3>
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