On Friday 26 October 2012 05:42:31 Jim Meyering wrote: > Schwidom, Frank wrote: > > In some situations sort wastes cpu-cycles of all available cpus. > > > > $ sort --version > > sort (GNU coreutils) 8.7 > > Packaged by Gentoo (8.7 (p1)) > > However, your version of sort is quite old and > that bug was fixed almost two years ago: > (from "NEWS") > > * Noteworthy changes in release 8.8 (2010-12-22) [stable] > > ** Bug fixes > > sort with at least two threads and with blocked output would > busy-loop (spinlock) all threads, often using 100% of available CPU cycles > to do no work. I.e., "sort < big-file | less" could waste a lot of power. > [bug introduced in coreutils-8.6] > > The latest release is coreutils-8.20.
and Gentoo has stabilized newer versions in the interim with 8.16 going stable most recently in Aug 2012. -mike
signature.asc
Description: This is a digitally signed message part.
