[ST-devel] Re: autoconf and libst

[Gene <ge...@pa...>]

Lev Walkin wrote:
> >>poll() is faster than select() - is this wrong?
> >>
> >
> > In addition to the other analysis offered of relative speed, select has
> > the feature that multiple threads waiting for the same fd don't change
> > the system call.  With poll, each waiting thread has its own pollfd even
> > if all of the fds are the same.  So the right choice (poll vs. select)
> > depends on not only the total number of fds but also their expected use.
> 
> Again: if we want to make st even faster (20% to TIMES faster), we should
> 
> consider build an independent scheme, and implement a modern techniques,
> like kqueue() or /dev/poll. We will give the ST the speed and the
> scalability of state-driven kqueue() (or /dev/poll)'based applications.
> 
> It will be a really huge improvement, not even comparable with omission
> of a system call one time per thread life.
> 

Oh no, not this poll vs. /dev/poll vs. kqueue discussion again!!! :)

Why do you think that optimizing the idle state would bring you a
"huge improvement"?