#8048: Register spilling produces ineffecient/highly contending code -------------------------------------+------------------------------------- Reporter: schyler | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 7.6.3 Resolution: | Keywords: register Operating System: Unknown/Multiple | allocator spill Type of failure: Runtime | Architecture: Unknown/Multiple performance bug | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------- Comment (by schyler): Using a pretty crude benchmark, found a 9-10% hit. https://gist.github.com/kvanberendonck/6836713 It's hard to benchmark something so small though - those of you with Intel processors might have less luck running this one, but AMD is a little more linear and gives quite stable results. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8048#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler