#14414: Profiled program runs 2.5x faster than non-profiled -------------------------------------+------------------------------------- Reporter: Fuuzetsu | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by George): I am not able to reproduce this on my Mac running 10.13.6 with 4 cores and GHC version 8.6.0.20180714 time for profiled version: Total time 1.244s ( 0.451s elapsed) time for non-profiled version: Total time 0.242s ( 0.134s elapsed) Also I checked that both programs produce the same output by writing to a file and doing a diff. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14414#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler