Well the link you gave isn't a supercomputer, it's a super fiber.
A supercomputer would be a board that supports 6 of these;
https://www.bhphotovideo.com/bnh/controller/home?A=details&O=&Q=&ap=y&c3api=1876%2C%7Bcreative%7D%2C%7Bkeyword%7D&gclid=Cj0KCQjw_JrMBRDPARIsACis1HyhdFQl74ZlEIpr-CLbNPBfz5Vjh8vnkmJmN9tG6wlwSHll3NQC0QIaAs7qEALw_wcB&is=REG&sku=1117682
Wow this i think this gpu can render my 3d videos in less 1 minut!
My bad for the wrong link. this is the project i wonder to say
http://edition.cnn.com/videos/world/2017/06/13/vision-the-future-of-japan-supercomputer-orig.cnn
That would be quite an undertaking. What would you use a computer that powerful for? Even a fraction of that would use insane amounts of electricity and could mine every blockchain dry in about a week.