Am 18.02.2012 um 14:38 schrieb Roman Cheplyaka: > * Holger Siegel <holgersiege...@yahoo.de> [2012-02-18 12:52:08+0100] >> You cannot. Common subexpression elimination is done by GHC very >> conservatively, because it can not only affect impure programs: it can >> also affects strictness/lazyness and worsen memory usage of pure code. >> Like the HaskellWiki says: "If you care about CSE, do it by hand." > > How can it affect strictness or laziness?
I don't know. HaskellWiki says so: http://www.haskell.org/haskellwiki/GHC_optimisations#Common_subexpression_elimination _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
