Re: [patch][rfc] quell interactive feeding frenzy

[Mike Galbraith <efault@gmx.de>]

On Sun, 2006-04-09 at 19:44 +0300, Al Boldi wrote:
> bert hubert wrote:
> > On Sun, Apr 09, 2006 at 01:39:38PM +0200, Mike Galbraith wrote:
> > > Ok, unusable may be overstated.  Nonetheless, that bit of code causes
> > > serious problems.  It makes my little PIII/500 test box trying to fill
> > > one 100Mbit local network unusable.  That is not overstated.
> >
> > If you try to make a PIII/500 fill 100mbit of TCP/IP using lots of
> > different processes, that IS a corner load.
> >
> > I'm sure you can fix this (rare) workload but are you very sure you are
> > not killing off performance for other situations?
> 
> This really has nothing to do w/ workload but rather w/ multi-user processing 
> /tasking /threading.  And the mere fact that the 2.6 kernel prefers 
> kernel-threads should imply an overall performance increase (think pdflush).
> 
> The reason why not many have noticed this scheduler problem(s) is because 
> most hackers nowadays work w/ the latest fastest hw available which does not 
> allow them to see these problems (think Windows, where most problems are 
> resolved by buying the latest hw).
> 
> Real Hackers never miss out on making their work run on the smallest common 
> denominator (think i386dx :).

Please don't trim the cc list.  I almost didn't see this, and I really
do want to hear each and every opinion.

	-Mike