[GHC] #14854: The size of FastString table is suboptimal for large codebases

[GHC]

#14854: The size of FastString table is suboptimal for large codebases
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        Reporter:  niteria           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by niteria):

 I should note that the vast majority of the calls comes from `getFS ::
 BinHandle -> IO FastString`, which is used when reading interface files.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14854#comment:1>
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