Re: [GHC] #15049: NUMA not detected on Win10 with AMD Ryzen Threadripper

#15049: NUMA not detected on Win10 with AMD Ryzen Threadripper -----------------------------------+-------------------------------------- Reporter: kanetw | Owner: kanetw Type: bug | Status: patch Priority: normal | Milestone: 8.6.1 Component: Runtime System | Version: 8.4.1 Resolution: | Keywords: Operating System: Windows | Architecture: x86_64 (amd64) Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D4607 Wiki Page: | -----------------------------------+-------------------------------------- Comment (by Ben Gamari ): In [changeset:"75361b119c609f0ab98f3d12a15690aae4ce42a1/ghc" 75361b1/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="75361b119c609f0ab98f3d12a15690aae4ce42a1" Fix NUMA support on Windows (#15049) * osNumaNodes now returns the right number of nodes * thread affinity is now correctly set TODO: no noticeable performance improvement. does windows already distribute threads in a NUMA-aware fashion? Test Plan: * validate * local tests on a NUMA machine Reviewers: bgamari, erikd, simonmar Reviewed By: bgamari, simonmar Subscribers: thomie, carter Differential Revision: https://phabricator.haskell.org/D4607 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15049#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler