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Results - Rabbit Semiconductors
[Rabbit 2000]

Time measurements were obtained using an oscilloscope attached to a digital output. See the "Tests Performed" section for more details.
Results are with the development tools fully optimized for speed unless otherwise stated.

Test	Result
16bit addition	63.6μs
16bit multiplication	80.0μs
16bit division	608μs
32bit multiplication	286μs
32bit subtraction	172μs
Bubble sort	6.38ms
Block memory move and compare	6.36ms
Conditional branch to procedure	242μs
Scheduler tick function	Not performed. The RTOS has not been ported to the Rabbit.
PUSH’ing and POP’ing	426μs

The results for the bubble sort are odd, being a number of times slower than comparable microcontrollers. I have check and double checked the result and as far as I can tell it is accurate. Optimizing for size, or running the test from RAM made only an insignificant difference.

Care should be taken when comparing results for the PUSH and POP test, as on the Rabbit a 16bit register was pushed/popped with each instruction.

Copyright (C) 2004-2010 Richard Barry. Copyright (C) 2010-2015 Real Time Engineers Ltd.
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