Was curious as to the speed of floating point operations on the 16MHz Arduino Diecimila. Could only find a few threads about that (e.g., http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1206534749 ), with no answer, so I ran some tests. Here's a graph of results comparing the speed of a multiply opera…

Speed of floating point operations -- test results

mellis April 9, 2008, 4:40pm 7

Yep, on the AVR's, float and double are both 32 bits.

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