#9630: compile-time performance regression (probably due to Generics) -------------------------------------+------------------------------------- Reporter: hvr | Owner: dfeuer Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 7.9 Resolution: | Keywords: deriving- | perf, Generics 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): #13059, #10818 | Wiki Page: | -------------------------------------+------------------------------------- Comment (by dfeuer): A bit of good news: I build the commit of `cereal` from just before its `GSerialize` class was split in two. I confirmed that the test case in https://github.com/GaloisInc/cereal/pull/54 caused tick exhaustion in 8.0.2. I found that it worked just fine with a recent GHC build, and continued to do so even when I substantially increased the size of the test case. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9630#comment:49 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler