#9221: (super!) linear slowdown of parallel builds on 40 core machine -------------------------------------------------+------------------------- Reporter: carter | Owner: Type: bug | Status: new Priority: high | Milestone: Component: Compiler | Version: 7.8.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time performance bug | Unknown/Multiple Test Case: | Difficulty: Blocking: | Unknown | Blocked By: | Related Tickets: -------------------------------------------------+------------------------- Comment (by slyfox): Box I performed tests on is a 8-CPU one (4-cores x 2 threads each): {{{ Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9221#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler