Zero-copy network transmission with io_uring
Zero-copy network transmission with io_uring
Posted Dec 31, 2021 0:15 UTC (Fri) by andresfreund (subscriber, #69562)In reply to: Zero-copy network transmission with io_uring by Sesse
Parent article: Zero-copy network transmission with io_uring
ISTM that it's hard to estimate the potential benefits by benchmarking with a dummy NIC: Isn't the whole point of zero-copy IO is that the to-be-sent data will be accessed off-cpu via hardware DMA units? But there's no DMA capable hardware involved here...
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