Well the link is dead. But I am guessing it is from Fujitsu A64FX, a 512 bit SIM... | Hacker News

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ksec on June 22, 2020 | parent | context | favorite | on: Japan Captures TOP500 Crown with Arm-Powered Super...

Well the link is dead. But I am guessing it is from Fujitsu A64FX, a 512 bit SIMD extension for ARM.

Edit: Turns out I was right. May be this link is better.

https://www.anandtech.com/show/15869/new-1-supercomputer-fuj...

floatboth on June 22, 2020 [–]

To be clear, the extension -- Scalable Vector Extensions -- is for any width between 128 bits and 2048 bits. (It's in the name!) The implementation in Fujitsu A64FX seems to be 512 bit specifically.

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