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Nick Black

nick-black.com

Nick Black of Atlanta and his personal wiki of linux, computers, postmodern literature, nuclear physics, and cartoonish supervillainy.

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Software Engineering 2Systems & Performance 1Life, Learning & Writing 1Hardware & Electronics 1

1

Io uring

Introduced in 2019 (kernel 5.1) by Jens Axboe, io_uring (henceforth uring) is a system for providing the kernel with a schedule of system calls, and receiving the results as they're generated. Whereas epoll and kqueue support multiplexing, where you're told when you can usefully perform a system call using some set of…