Friday, January 27, 2006

bzip2 is worse backwards

Reversing English text causes bzip2 to perform slightly worse. Does this indicate the English is better predicted by the following string than the preceding string?

2014913 1999.08.wm.a 2036979 1999.08.wm.b 780095 2000.01.wm.a 788875 2000.01.wm.b 808188 2000.09.wm.a 816975 2000.09.wm.b 873623 2001.02.wm.a 884963 2001.02.wm.b 691899 2001.09.wm.a 699738 2001.09.wm.b 519555 2002.02.wm.a 525283 2002.02.wm.b 878585 2002.09.wm.a 888467 2002.09.wm.b 564562 2003.02.wm.a 570720 2003.02.wm.b 801120 2003.09.wm.a 809459 2003.09.wm.b 755611 2004.02.wm.a 763328 2004.02.wm.b 1172502 2004.09.wm.a 1185160 2004.09.wm.b 1066360 2005.02.wm.a 1076694 2005.02.wm.b 1300432 2005.09.wm.a 1314282 2005.09.wm.b 509209 now.wm.a 514840 now.wm.b

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