On Wed, 24 Apr 2019, Mark wrote:
Date: Wed, 24 Apr 2019 06:31:00 -0400
From: Mark <wendt.m...@gmail.com>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] possibly good news for LinuxCNC
On 4/24/19 06:26, andy pugh wrote:
On Wed, 24 Apr 2019 at 11:09, Mark <wendt.m...@gmail.com> wrote:
Does preempt-rt not play well with parport configurations? Not having
used a preempt-rt installation before, just curious.
It can work fine. In fact my current dev PC shows better preempt-rt
latency than I have eve seen with RTAI.
But that is an outlier and typically RTAI latency is better than
preempt-rt.
Okay, so latency is the biggest concern with preempt-rt then.
Mark
Yes, in my experience RTAI has better latency numbers especially on slower
hardware. On fast hardware Preempt-RT and RTAI can have similar latency.
So for example most of the low power fanless PCs have rather dreadful latency
on Preempt-RT though I3s.. I7s may be fine. It also difficult to compare
newer CPUs since the RTAI kernsls are old enough that they dont support
a lot of newer hardware.
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
Peter Wallace
Mesa Electronics
(\__/)
(='.'=) This is Bunny. Copy and paste bunny into your
(")_(") signature to help him gain world domination.
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users
