[cinntaile]

This kind of feels like a publicity stunt for Arm. Arm is owned by the Japanese company SoftBank and now Japan captures the supercomputer crown. I don't want to take away from the achievement and it's certainly possible that this is just a coincidence, maybe someone with more knowledge on the subject can comment on this?

[lovemenot]

Fujitsu announced they would be building a Kei2 based on ARM, soon after their Kei was #1 around 5 years ago.

ARM was a British company until it was bought by SoftBank a couple of years ago.