Adding a command line option to do splice/sendfile instead of sockets would be very useful.

Here are some links for more info:

Linux: http://www.kernel.org/doc/man-pages/online/pages/man2/sendfile.2.html FreeBSD: http://www.freebsd.org/cgi/man.cgi?query=sendfile&sektion=2 Mac OSX: https://developer.apple.com/library/mac/#documentation/Darwin/Reference/Manpages/man2/sendfile.2.html