[Haskell-cafe] Re: concurrent haskell: thread priorities

Neal Alexander wrote:

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

GHC.Conc.forkOnIO is helpful but doest work in this case - it doesn't attach them to the same OS thread.

But it does attach the thread to a particular "virtual CPU" in the GHC RTS (we call them "capabilities"), with the intention that a virtual CPU corresponds more or less to a real CPU core. Cheers, Simon