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docs: Update benchmarks in Features document 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2017-08-11 11:40:54 -04:00
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docs/Features.md
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@ -81,8 +81,14 @@ Step Benchmarks
Below are the results of stepper performance tests. The numbers shown
represent total number of steps per second on the micro-controller.
| Micro-controller | 1 stepper active | 3 steppers active |
| ----------------- | ---------------- | ----------------- |
| 20Mhz AVR | 177K | 117K |
| 16Mhz AVR | 140K | 93K |
| Arduino Due (ARM) | 462K | 406K |
| Micro-controller | Fastest step rate | 3 steppers active |
| ----------------- | ----------------- | ----------------- |
| 20Mhz AVR | 189K | 125K |
| 16Mhz AVR | 151K | 100K |
| Arduino Due (ARM) | 382K | 337K |
| Beaglebone PRU | 689K | 689K |
On AVR platforms, the highest achievable step rate is with just one
stepper stepping. On the Due, the highest step rate is with two
simultaneous steppers stepping. On the PRU, the highest step rate is
with three simultaneous steppers.