#9630: compile-time performance regression (probably due to Generics) -------------------------------------+------------------------------------- Reporter: hvr | Owner: simonpj Type: bug | Status: new Priority: high | Milestone: 8.0.1 Component: Compiler | Version: 7.9 Resolution: | Keywords: deriving-perf Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #9583, #10293 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by ezyang): I managed to massively speed up Binary by applying (3). So I think we have our culprit. Here's the PR: https://github.com/kolmodin/binary/pull/95 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9630#comment:23 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler