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It’s incorrect to view Fugaku (as cool as it is) as having a monolithically addressable 5 PiB. Each processor/node has 32 GiB directly attached via HBM and not
by pinewurst 5y ago
It’s incorrect to view Fugaku (as cool as it is) as having a monolithically addressable 5 PiB. Each processor/node has 32 GiB directly attached via HBM and not expandable (Apple M1ish). It’s a really big cluster of (much) smaller memory spaces.