On Fri, Feb 23, 2007 at 03:22:25PM +0300, Evgeniy Polyakov ([EMAIL PROTECTED]) wrote: > I meant that we end up with having one thread per IO - they were > preallocated, but that does not matter. And what about your idea of > switching userspace threads to cachemiss threads? > > My main concern was only about the situation, when we ends up with truly > bloking context (like network), and this results in having thousands of > threads doing the work - even having most of them sleeping, there is a > problem with memory overhead and context switching, although it is usable > situation, but when all of them are ready immediately - context switching simultaneously > will kill a machine even with O(1) scheduler which made situation damn > better than before, but it is not a cure for the problem.
Week of no-dictionary writings starts beating me. -- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/