Here is an echo server that uses some of the 5.7 features: https://github.com/frevib/io_uring-echo-server/tree/io-uring-feat-fast-poll https://github.com/frevi

Here is an echo server that uses some of the 5.7 features: https://github.com/frevib/io_uring-echo-server/tree/io-uring-feat-fast-poll https://github.com/frevib/io_uring-echo-server/tree/io-uring... One of the 5.7 features, IORING_FEAT_FAST_POLL, gives a (free) performance boost of up to 68% compared to epoll: https://twitter.com/hielkedv/status/1234135064323280897?s=21 https://twitter.com/hielkedv/status/1234135064323280897?s=21