Messages in this thread | | | Subject | Re: Interesting analysis of linux kernel threading by IBM | Date | Thu, 20 Jan 2000 09:51:01 -0300 | From | Horst von Brand <> |
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"Davide Libenzi" <davidel@maticad.it> said:
[...]
> my patch has great performance ( 80% with 300 tasks ) with a lot of tasks > and low overhead ( 1.5% with 2 tasks ). > And my patch has 0.00 optimizations about CPU fetches and Co. > IMVHO 1-1.5 % of overhead is a price the we can afford given the performace > with many tasks. > My patch equals the current implementation with 8 tasks.
So it is a net loss. This machine here (a personal workstation) has typically 1 to 3 running tasks.
Hondreds of tasks is just not a typical (perhaps even realistic) workload. -- Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513
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