#14240: CSE’ing w/w’ed code regresses program runtime -------------------------------------+------------------------------------- Reporter: nomeata | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.2.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Runtime Unknown/Multiple | performance bug Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Commit changeset:fe04f378/ghc, which fixed #14186, causes two runtime regressions: {{{ nofib/time/integer 1.529 + 4.19% 1.593 seconds nofib/time/lambda 1.041 + 7.3% 1.117 seconds }}} Sigh. I guess it up to me to track that one down. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14240 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler