PCIe is full duplex while DDR5 is half duplex so in theory PCIe is higher. It's ... | Hacker News

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		wmf 7 months ago \| parent \| context \| favorite \| on: io_uring is faster than mmap PCIe is full duplex while DDR5 is half duplex so in theory PCIe is higher. It's rare to max out PCIe in both directions though.

mrcode007 7 months ago [–]

happens frequently in fact when training neural nets on modern hw

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