There was a post yesterday with an AI article discussing the proliferaton of AI clusters using the numbers  "100,000 to 1 million to 2 million nodes in an AI cluster".

The term ''node' as in "n number of nodes in an AI cluster" applies to each xPU+HBM combination in a PF+Memory Appliance box. The basic box should be 16 nodes. As more nodes are required, just keep doubling the number of boxes. 16 32 64 128 256 512 =>

The powers of 2 show up with decimal points at the terabit level. 1.6T 3.2T 6.4T 12.8T 25.6T 51.2T  where the first two are currently in POET territory for transceivers and the latter currently apply to network routers and switches.