Messages in this thread | | | Subject | Re: [patch][rfc] quell interactive feeding frenzy | From | Mike Galbraith <> | Date | Sun, 09 Apr 2006 20:33:16 +0200 |
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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
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