[GHC] #768: Improve performance of binary serialisation for interface files

#768: Improve performance of binary serialisation for interface files
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    Reporter:  simonmar  |        Owner:                  
        Type:  task      |       Status:  new             
    Priority:  normal    |    Milestone:                  
   Component:  Compiler  |      Version:  6.4.1           
    Severity:  normal    |     Keywords:                  
          Os:  Unknown   |   Difficulty:  Moderate (1 day)
Architecture:  Unknown   |  
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utils/Binary.hs can be made significantly faster.  See:

 [http://www.haskell.org//pipermail/glasgow-haskell-users/2006-
 April/010037.html]

 Until we have a standard highly-tuned binary I/O library, I think applying
 some optimisations to GHC's private binary library will be worthwhile.

 The first thing to do is replace IORef (IOUArray Int Word8) with a fast
 mutable pointer, backed by either a ForeignPtr or a MutableByteArr#.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/768>
GHC <http://www.haskell.org/ghc/>
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