Santhosh Kumar M [CEC-S] wrote:
>
> 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.
Ciao, Paolo.
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