Thomas DuBuisson wrote:
It seems like we could get some priority based scheduling (and still be slackers) if we allow marked green threads to be strictly associated with a specific OS thread (forkChildIO?).
I think you want the GHC-only GHC.Conc.forkOnIO
Suggestions like this are more motivation for the suggestion [1] to adopt a re-engineered / haskell-based RTS [2].
Tom
[1] http://www.reddit.com/r/haskell_proposals/comments/7itaz/simple_robust_maint... [2] http://www.seas.upenn.edu/~lipeng/homepage/papers/lmpjt07hw.pdf
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GHC.Conc.forkOnIO is helpful but doest work in this case - it doesn't attach them to the same OS thread.