[Cuis-dev] Running Cuis in a BBB rev C. (similar to RPi). a video performance check

Bruce O'Neel bruce.oneel at pckswarms.ch
Tue Jul 20 06:34:00 PDT 2021


Possibly related, this on a Raspberry PI 400 with X11 across the
network I noticed two things.

1.  Moving Cuis windows is slower because it does the pretty thing
and move the whole windows.  Squeak just moves an outline which is
unsuprisingly much faster.

2.  I am almost 100% sure there is a double re-draw at times.  It
might be that each window gets redrawn and I have almost the whole
screen covered by windows.

This was all with the Squeak VM that ships with the PI, so,
202101191919 and Cuis5.0-4619-32.



On 2021-07-20T12:25:39.000+02:00, Nicola Mingotti via Cuis-dev
<cuis-dev at lists.cuis.st> wrote:

> Hi guys, 
> I just finished a little test showing how a Cuis can run in a
> BeagleBone Black Rev. C.
> which is a device similar to a RPi but most fit to electronics
> projects.
> . BBB is headless
> . I connect to BBB via VNC
> . There is no desktop environment, Cuis is the only graphical
> application running
> I need to do at least another test on a bigger machine 
> to see what part of the sloppiness is due to VNC and what is due to
> a small CPU,
> but my temporary conclusion is that this kind of hardware is too
> little to work well in Cuis.
> here is the video: 
> https://youtu.be/sDDrBXB4K6A
> bye
> Nicola
> -------------------------
> -- Cuis-dev mailing list Cuis-dev at lists.cuis.st
> https://lists.cuis.st/mailman/listinfo/cuis-dev

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