#11666: Severe performance degradation in GHC 8.0.1 compared to GHC 7.10.x -------------------------------------+------------------------------------- Reporter: mrkkrp | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1-rc2 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 j.waldmann): don't put too much meaning into timings on travis. see this discussion https://mail.haskell.org/pipermail/haskell- cafe/2016-February/123260.html and data in ticket #10818 put "-j2" in your build scripts. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11666#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler