Из ленты Phoronix — кратко, чтобы не потерять.
Yet another performance optimization merged for the in-development Linux 7.2 kernel is improving the speed of anon_pipe_write, the kernel function used for writing data into anonymous/unnamed pipes such as when using shell pipelines or standard streams from applications…
Полный текст и контекст у первоисточника: https://www.phoronix.com/news/Linux-72-Faster-Anon-Pipe-Write