[GHC] #7257: Regression: pinned memory fragmentation

[GHC]

#7257: Regression: pinned memory fragmentation
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 Reporter:  jwlato                   |          Owner:                  
     Type:  bug                      |         Status:  new             
 Priority:  normal                   |      Component:  Compiler        
  Version:  7.6.1                    |       Keywords:                  
       Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
  Failure:  Runtime performance bug  |       Testcase:                  
Blockedby:                           |       Blocking:                  
  Related:                           |  
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Comment(by jwlato):

 Addendum: with ghc-7.6.1, I see the same memory behavior with multiple
 versions of ByteString and Data.Vector.Storable, but not Text,
 Data.Vector, or Data.Vector.Unboxed.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7257#comment:2>
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