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Unread 04-08-2010, 20:14
EricVanWyk EricVanWyk is offline
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Re: Is the crio powerful enough?

Quote:
Originally Posted by Ether View Post
On a 3.4GHz Pentium D, the sin() function is about 3 times slower than a 3rd degree polynomial approximation.

But since we're only talking 0.3 microseconds for the sin() function, it's not to worry. Anybody have numbers for the cRIO, just curious?
Ether -

How did you measure 0.3 microseconds?

I recently wrote a sin function that runs in ~0.7 microseconds on an 80MHz Arm Cortex-M3, with comparable accuracy.