Can the OPI5 be Configured to Run LCNC?

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3 years 5 months ago #271687 by tommylight
Replied by tommylight on topic Can the OPI5 be Configured to Run LCNC?
Resize one of the glxgears window several times, then you might see why we use it. :)

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3 years 5 months ago #271688 by rodw
Replied by rodw on topic Can the OPI5 be Configured to Run LCNC?
install and run htop.
Run it with a latency test
It shows the CPU utilisation on each core
You should see the CPU load increase each time you add a glxgear
On another 6 core ARM, it was fine up to about 8 sessions then a core maxed out @ 100% then latency increased if you added more

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3 years 5 months ago #271692 by echristley
Replied by echristley on topic Can the OPI5 be Configured to Run LCNC?
htop showing cpus 0,1,2 at 95-100% utilization. 6 glxgears.  The rest at zero.  Glxgears going from default to full screen and back.  editing this post.  video to full screen and back.  the little blips out on the end of the servo thread show up when I'm restoring the tab in FF that is running the video.  The UI is draggy, but picks up when I drop down to 3 glxgears.
Again, the glxgears don't seem to contribute to the latency.  Starting apps does, though.  I've ordered a flash drive.  I'm hoping that will eliminate even the blips.
Note, this histogram had six gears running until I checked to see how many to drop to get performance back.

 

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3 years 5 months ago #271693 by Guglielmi
Replied by Guglielmi on topic Can the OPI5 be Configured to Run LCNC?
echristley,

Can anyone suggest if that would be the way to get an OPi5 to control three steppers and two fluid pumps?


I was looking for a board and I was oriented to buy this:
MESA 7196S

I think it's a good compromise, at least it doesn't cost $250.. 
Finally I decided to build (with CNC itself ..) as I already did for my RPI4, current controller for my CNC.
I don't know if RPI will be happy to build the new board for OPI5 that will replace it.. but.. 

 

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3 years 5 months ago #271696 by echristley
Replied by echristley on topic Can the OPI5 be Configured to Run LCNC?
The only thing is the MESA 7i96S will occupy the ethernet port.

Has anyone ever run the 7i96S through a small switch? Then it would work for me.

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3 years 5 months ago #271699 by tommylight
Replied by tommylight on topic Can the OPI5 be Configured to Run LCNC?


Has anyone ever run the 7i96S through a small switch? Then it would work for me.
I did run a Mesa 7i92 through a switch for several days.
Still, never ever run a machine through a switch. For testing it is OK, but some switches will just not work due to latency they invoke.

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