On 08/26/09 at 12:02am, Frédéric Perrin wrote: > Le mardi 25 à 17:03, Patrick Brisbin a écrit : > > tar -xf on a 3 GB cache -> 1m 42s > > > > bsdtar -qxf on the same cache -> 0m 9s > > If you ran both of them on the same set of files, BSD tar was certainly > quicker because it took advantage of the files being cached thanks to > the first run of GNU tar. Now, it may also be that BSD tar /is/ faster > --we all know that GNU programs are crippled with too much features for > their own good ;-). > > Do you get the same results if you run the same commands a couple of > times in succession, discarding the first run ? FWIW, i ran them again in succession two times each: tar -xv 1m 55s tar -xv 1m 37s bsdtar -qxv 0m 9.5s bsdtar -qxv 0m 9.5s also, --fast-read yielded "invalid option" with tar. -- patrick brisbin