Beowulf Clusters, node visualisation and more with Pi VizuWall - Raspberry Pi https://www.raspberrypi.org/blog/beowulf-clusters-node-visualisation-pi-vizuwall/
Beowulf Clusters, node visualisation and more with Pi VizuWall - Raspberry Pi

The Raspberry Pi 3B+ Pi VizWall makes Beowulf paralell computing systems and MPI more accessabile to undergrad students...and, also, it moves!

Raspberry Pi
@fernand0 Is there any way of using the GPIOs to improve the network performance for clustering or otherwise?
@chrisna
Don't know, sorry, but it's unlikely for me