* venerdì 25 ottobre 2002, alle 16:42, Sythos scrive:
> No, forse non so leggere
ti sopravvaluti.
> ..... continuo a leggere roba SMP, e vantaggi su
> sistemi SMP
ma porco ________ <inserire divinita` a piacere>.
> >+ - good interactive performance even during high load: if the user +
> >types or clicks then the system must react instantly and must execute
> >+ the user tasks smoothly, even during considerable background load.
Cosa c'entra smp con questo?
> >+ - good scheduling/wakeup performance with 1-2 runnable processes.
1 o 2 _processi_ sythos, processi. eh?
Quanti processori ti servono per _runnare_ 1-2 processi?
> >+ - fairness: no process should stay without any timeslice for any
> >+ unreasonable amount of time. No process should get an unjustly high
> >+ amount of CPU time.
processi, porcosythos, processi.
> >+ - priorities: less important tasks can be started with lower priority,
> >+ more important tasks with higher priority.
E qui? priorita` dei task. Dove vedi una specificita` SMP?
Un processore e` monotasking??
> >+ - SMP efficiency: no CPU should stay idle if there is work to do.
> >+
> >+ - SMP affinity: processes which run on one CPU should stay affine to
> >+ that CPU. Processes should not bounce between CPUs too frequently.
> >+
> >+ - plus additional scheduler features: RT scheduling, CPU binding.
AH-AH! eccoli qua`. efficenza dell'smp, e affinity. Eh si, decisamente
una patch SMP only.
France: non e` grave _non_ fare sempre reply, eh. Sentiti libero di
provare. E ti sto flammando.
--
Maurizio - Tannoiser - Lemmo
Founder Member of ERLUG http://erlug.linux.it
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Buffy: "Really not an issue."
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