In article <20101110182232.ga19...@snowdrop.l8s.co.uk>, David Laight <da...@l8s.co.uk> wrote: >On Wed, Nov 10, 2010 at 01:34:44PM +0200, Alan Barrett wrote: >> >> "-exec ... +" and "xargs" will both accumulate many args into each >> invocation of the child program, and will both fork the same number of >> times. The version using xargs is actually less efficient, because >> there's one extra fork to run "xargs" itself, and there's extra I/O over >> the pipeline. > >Modulo the fact that the xargs version might run faster because of the >asynchronous pipe that allows find's directory IO to overlap >the executed commands. >(It might run slower due to disk head thrashing.)
And -P <maxproc> christos
