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The following tables indicates the outstanding floating point
capability of Rabbit microprocessors as compared to other processors.
Rabbit's powerful number crunching ability and highly optimized
Dynamic C software libraries provide superior floating point performance.
| Rabbit 3000 Microprocessor
Benchmark Comparisons |
| Operation/Program |
Dhrystone
1.1 1,000s/sec |
Whetstone
1,000s/sec |
Sieve
(milliseconds) |
Rabbit 3000
@ 50 MHz Dynamic C |
6,570 |
813 |
53 |
AMD 188ES
@ 40 MHz Borland 3.31 C |
3,603 |
61 |
120 |
Zilog ez80
@ 40 MHz Zilog C compiler |
2,914 |
20 |
158 |
Dallas DS80C320
(8051)
@ 33 MHz Keil C |
1,251 |
140 |
160 |
Phillips 80C51
@ 33 MHz Keil C |
598 |
61 |
350 |
|
| Rabbit 2000 Microprocessor
Benchmark Comparisons |
| Floating Point Operation |
Add |
Multiply |
Square Root |
Sine |
| Rabbit 2000 @ 29.49 MHz |
9.6µs |
12 |
32 |
94 |
| Zilog Z180 @ 24.58MHz |
26µs |
42 |
343 |
1238 |
| Dallas DS80C320 @ 33.18MHz |
32µs |
34 |
334 |
452 |
| Phillips 80C51 @ 33.18MHz |
78µs |
85 |
805 |
1112 |
| AMD 188ES @ 36.86MHz |
194µs |
184 |
355 |
804 |
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For details on the Rabbit 2000 benchmarks tests and the C code
used, view the following files.
- The complete description of our bechmark tests / speedtest.pdf
- The five C applications used to generate the benchmark results / bsource.zip
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