Messages in this thread | | | Date | Fri, 23 Feb 2007 15:41:23 +0300 | From | Evgeniy Polyakov <> | Subject | Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 |
| |
On Fri, Feb 23, 2007 at 03:22:25PM +0300, Evgeniy Polyakov (johnpol@2ka.mipt.ru) 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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |