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by nordis8
1344 days ago
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> It's 2022 and we've got more than enough compute power nowadays to run in user-land Oh hell no! User-land driver can barely handle WiFi 4 speeds (72Mbps), with terrible CPU performance (1000's of context switches and interrupts per second). For WiFi 5 (ac), WiFi 6 (ac), you need heavy WiFi firmware involvement, multiple DMA queues and kernel driver, and even with all that it requires special care to reach target performance. There is no chance in hell to reach that kind of performance in user-land. |
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