#9233: Compiler performance regression ---------------------------------+------------------------------------ Reporter: augustss | Owner: Type: bug | Status: new Priority: low | Milestone: Component: Compiler | Version: 7.8.2 Resolution: | Keywords: Operating System: Windows | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: ---------------------------------+------------------------------------ Comment (by augustss): I turned off SpecConstr and the compile times remained pretty much the same. Total compile time with ghc-7.6 is 5041s and with ghc-7.8 it is 6963s, so 38% longer. This is compiling 853 modules, out of which 5 modules compiled faster with the new ghc and the rest are slower, some taking almost 3 times as long. I will see if I can isolate one of these module and include in this bug report. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9233#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler