[Haskell-cafe] I/O performance drop in ghc 6.12.1

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Thu Jan 14 17:36:41 EST 2010

On Jan 14, 2010, at 17:30 , Peter Simons wrote:
> I just updated to GHC 6.12.1, and I noticed a significant drop in I/O
> performance that I can't explain. The following code is a simple
> re-implementation of cat(1), i.e. it just echos all data from standard
> input to standard output:

GHC 6.12.1 has the first release of UTF-8 support, so there's  
translation overhead.

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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