"Nested epolls are necessary to allow semantics where a file descriptor in the epoll interested-list is also an epoll instance. (...) we can speed up adding fds to the instance as well as polling, such that epoll_wait() can improve by 100x" http://blog.stgolabs.net/2018/03/linux-v415-performance-goodies.html …
4:30 PM - 23 Mar 2018
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