Messages in this thread | | | Date | Thu, 1 Mar 2007 11:19:30 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 |
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On Thu, 1 Mar 2007, Ingo Molnar wrote:
> > * Evgeniy Polyakov <johnpol@2ka.mipt.ru> wrote: > > > I posted kevent/epoll benchmarks and related design issues too many > > times both with handmade applications (which might be broken as hell) > > and popular open-source servers to repeat them again. > > numbers are crutial here - and given the epoll bugs in the evserver code > that we found, do you have updated evserver benchmark results that > compare epoll to kevent? I'm wondering why epoll has half the speed of > kevent in those measurements - i suspect some possible benchmarking bug. > The queueing model of epoll and kevent is roughly comparable, both do > only a constant number of steps to serve one particular request, > regardless of how many pending connections/requests there are. What is > the CPU utilization of the server system during an epoll test, and what > is the CPU utilization during a kevent test? 100% utilized in both > cases?
With 8K concurrent (live) connections, we may also want to try with the v3 version of the epoll-event-loops-diet patch ;)
- Davide
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