#14254: The Binary instance for TypeRep smells a bit expensive -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Resolution: | Keywords: Typeable Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #14337 | Differential Rev(s): Phab:D3998, Wiki Page: | Phab:D4082, Phab:D4085 -------------------------------------+------------------------------------- Comment (by dfeuer): Replying to [comment:14 simonpj]:
and if the cache field is strict you build an infinite data structure.
I don't need the cache field to be strict. I just need to force values before installing them in that field, except when constructing `typeRep @Type`. I think I need to know where in the solver we deal with the special case of `typeRep @Type`, which I ''think'' is already a special case somewhere or other. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14254#comment:15 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler