[gumby]

> I've heard this is the next area of expansion for hardware tech, but I haven't seen much yet.

This has been an continuously active area of hardware design since the 1960s (consider Cray's work on the 6600 and his later work at his own company). The whole HPC world has to obsess on this issue.

[ColanR]

Fair enough. I was thinking compared to cpu clock speed and ram capacity, which seemed to have been an area of greater focus compared to the bandwidth between them.