There are more related updates in https://gitlab.haskell.org/ghc/ghc/issues/9221, also including a short discussion of Linus's post.
Simon Marlow's overall response was: > I'm very supportive of making this better, but as usual I will require > thorough data to back up any changes :) > > Everything I tried in the past made things worse. Including an experiment I > did to use futexes directly: > https://gitlab.haskell.org/ghc/ghc/issues/3553?cversion=0&cnum_hist=14#note_39009 So it sounds like this topic is currently in the stage of: Somebody needs to take the time to re-do that benchmark done 10 years ago. _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
