
#8279: bad alignment in code gen yields substantial perf issue --------------------------------------------+------------------------------ Reporter: carter | Owner: Type: bug | Status: new Priority: highest | Milestone: Component: Compiler | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime performance bug | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: --------------------------------------------+------------------------------ Comment (by ezyang): The bad cache behavior of tables next to code has been observed in http://njn.valgrind.org/pubs/cache-large-lazy2002.ps (some of the discussion there is out-of-date, as it predates dynamic pointer tagging). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8279#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler