#13745: Investigate compile-time regressions in regex-tdfa-1.2.2 -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: task | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: simonpj (added) Comment: A sizeable chunk of that increase in time came from commit 2effe18ab51d66474724d38b20e49cc1b8738f60 (The Early Inline Patch): {{{ Commit 55efc9718b520ef354e32c15c4b49cdfecce412f (Combine identical case alternatives in CSE) ----- real 0m10.682s user 0m10.392s sys 0m0.272s Commit 2effe18ab51d66474724d38b20e49cc1b8738f60 (The Early Inline Patch) ----- real 0m13.742s user 0m13.524s sys 0m0.204s }}} What's responsible for the other ~5 seconds remains to be investigated. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13745#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler