#8732: Global big object heap allocator lock causes contention --------------------------------------------+------------------------------ Reporter: tibbe | Owner: simonmar Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Runtime System | Version: 7.6.3 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): In this case, slowness of TLS is not an issue, because we manually pass around pointers to structs which are known to be per-capability (and can be accessed in an unsynchronized way), so you don't actually need thread- local *state*. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8732#comment:8 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler