Sure, I worked on TPUs at google, I know you need fast network connections. But "multiple slingshot NICs providing 100GB/sec"- that's ganged NICs, each one onl

Sure, I worked on TPUs at google, I know you need fast network connections. But "multiple slingshot NICs providing 100GB/sec"- that's ganged NICs, each one only does 200Gbps. It looks like you're conflating what's available to a single GPU, versus cross sectional bandwidth? I had to spend some time looking at the Slingshot docs because they throw around a bunch of numbers aggregated over different dimensions, leaving out the number of items they're aggregating over (common technique to make things look "bigger"). Another big issue that threw me off is that you're comparing the GPU network on the hosts to desktop computers. But in thinking, I think that's fair since the GPUs are the (primary) processing elements.