Re: [RFC -v3 PATCH 2/3] sched: add yield_to function

Peter Zijlstra
2011-01-05T10:23:58Z

On Wed, 2011-01-05 at 17:40 +0900, KOSAKI Motohiro wrote:
> > > If you are interesting GIL mess and issue, please feel free to ask more.
> >
> > I suggest looking into an explicit round-robin scheme, where each thread
> > adds itself to a queue and an unlock wakes up the first waiter.
>
> I'm sure you haven't try your scheme. but I did. It's slow.

Of course it is, but then your locking scheme (GIL) is the problem, not
the locking constructs.