On Mon, Feb 26, 2007 at 01:51:23PM +0100, Ingo Molnar ([EMAIL PROTECTED]) wrote: > > * Evgeniy Polyakov <[EMAIL PROTECTED]> wrote: > > > Even having main dispatcher as epoll/kevent loop, the _whole_ > > threadlet model is absolutely micro-thread in nature and not state > > machine/event. > > Evgeniy, i'm not sure how many different ways to tell this to you, but > you are not listening, you are not learning and you are still not > getting it at all. > > The scheduler /IS/ a generic work/event queue. And it's pretty damn > fast. No amount of badmouthing will change that basic fact. Not exactly > as fast as a special-purpose queueing system (for all the reasons i > outlined to you, and which you ignored), but it gets pretty damn close > even for the web workload /you/ identified, and offers a user-space > programming model that is about 1000 times more useful than > state-machines.
Meanwhile on practiceal side: via epia kevent/epoll/threadlet: client: ab -c500 -n5000 $url kevent: 849.72 epoll: 538.16 threadlet: gcc ./evserver_epoll_threadlet.c -o ./evserver_epoll_threadlet In file included from ./evserver_epoll_threadlet.c:30: ./threadlet.h: In function ‘threadlet_exec’: ./threadlet.h:46: error: can't find a register in class ‘GENERAL_REGS’ while reloading ‘asm’ That particular asm optimization fails to compile. > Ingo -- 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/