#9630: compile-time performance regression (probably due to Generics) -------------------------------------+------------------------------------- Reporter: hvr | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.4.1 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 simonpj):
1024 specialization rules to -ddump-rules for this module.
Really? I compiled the module in comment:22 with HEAD and got no rules at all! What am I doing wrong? {{{ Result size of Tidy Core = {terms: 2,582, types: 63,214, coercions: 20,656, joins: 0/34} }}} Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9630#comment:42 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler