Results of latency test, list of computers tested for use with LinuxCNC

If you've to spend money anyway you could better spend it on a Mesa card or Remora compatible device. With a hardware stepgen the 60-80 uS is ok. Otherwise there is a topic about the Orange Pi 5 which has a very low latency, Guglielmi has made a HAL component for the GPIO which he will release after has tested it.

You could try some kernel parameters to improve the latency if you want to, you can find several in this thread.

But this thread is actually to show your results. for questions it might be better to start a new topic.

Thank you for that info,
I couldn’t find how low the latency is ?

Very interesting board.

Results from my ODroid H2+

latency-histogram results with the same kernel currently in the Gentoo for LinuxCNC build (v0.2-alpha) 

This really looks veeeerry nice!
greez
chris