gzip, bip2, xz benchmark

[vuhung@ tmp]$ time tar czf FileName.`date -I`.tar.gz /home/FileName/FileName/
tar: Removing leading `/' from member names

real 0m15.661s
user 0m14.136s
sys 0m2.837s
[vuhung@ tmp]$ time tar cjf FileName.`date -I`.2.tar.bz2 /home/FileName/FileName/
tar: Removing leading `/' from member names

real 1m51.738s
user 1m49.911s
sys 0m3.423s
[vuhung@ tmp]$ time tar cJf FileName.`date -I`.2.tar.xz /home/FileName/FileName/
tar: Removing leading `/' from member names

real 2m26.520s
user 2m24.423s
sys 0m3.217s
[vuhung@ tmp]$ ls -l FileName.2011-08-03.*
-rw-rw-r-- 1 vuhung vuhung 148975540 Aug 3 20:03 FileName.2011-08-03.2.tar.xz
-rw-rw-r-- 1 vuhung vuhung 191752152 Aug 3 20:00 FileName.2011-08-03.2.tar.bz2
-rw-rw-r-- 1 vuhung vuhung 199892101 Aug 3 19:56 FileName.2011-08-03.tar.gz