> >
> > Hi,
> >
> > Can anyone tell me the performance penalty when i use floating
> > point operation in my rt tasks.
> >
>
> Apart from cache misses, about 200 CPU cycles for fPU save and restore.
> On a UP/MUP neither that if Linux is not using the FPU, at least that is
> the RTAI way.
What will be the increase in the latency when using FP.
>
> Ciao, Paolo.
>
-Santhosh
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