#10800: vector-0.11 compile time increased substantially with 7.10.1 -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Compiler | Version: 7.10.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by bgamari): `-ddump-inlinings` reveals that there are indeed 7.10 is doing a great deal more inlining than 7.8. Right off the bat 7.10 inlines a variety of methods from the `Applicative` et al. which never appear to be inlined under 7.8, {{{ Inlining done: Data.Vector.Fusion.Util.$fApplicativeId_$cpure Inlining done: Data.Vector.Fusion.Util.$fApplicativeId4 Inlining done: Data.Vector.Fusion.Util.$fApplicativeId_$cpure Inlining done: Data.Vector.Fusion.Util.$fApplicativeId4 Inlining done: Data.Vector.Fusion.Util.$fApplicativeId_$cpure Inlining done: Data.Vector.Fusion.Util.$fApplicativeId4 Inlining done: Data.Vector.Fusion.Util.$fApplicativeId_$cpure Inlining done: Data.Vector.Fusion.Util.$fApplicativeId4 Inlining done: GHC.Show.$fShow(,,)_$cshowList Inlining done: GHC.Show.$fShow(,,)_$cshow Inlining done: Test.QuickCheck.Arbitrary.$fArbitrary(,,)_$cshrink Inlining done: Test.QuickCheck.Arbitrary.$fArbitrary(,,)_$carbitrary Inlining done: Utilities.$fTestDataVector2_$cequal }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10800#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler