Yield. Some fraction of cores had a speck of dust or something, but at 38/40 goo... | Hacker News

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brianolson 79 days ago | parent | context | favorite | on: TOP500 at ISC’26: We have a New Number 1 Supercomp...

Yield. Some fraction of cores had a speck of dust or something, but at 38/40 good cores per chip they got economical yield

tjhei 79 days ago | [–]

And then even if some nodes had 40/40 "good" cores, it would make load balancing a lot more complicated if core counts vary. Easier to turn them off at the hardware level.

dist-epoch 79 days ago | [–]

Couldn't some chips have 40 good cores, while others have only 36? Do they all need to be exactly 38?

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