Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3

Evgeniy Polyakov
2007-02-23T12:44:10Z

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