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2011-02-26

bzip2 versus xz --extreme

205M    app.log.2011-02-14.bz2
92M     app.log.2011-02-14.xz

119M    app.log.2011-02-13.bz2
54M     app.log.2011-02-13.xz

149M    app.log.2011-02-12.bz2
70M     app.log.2011-02-12.xz

209M    app.log.2011-02-11.bz2
96M     app.log.2011-02-11.xz

320M    app.log.2011-02-10.bz2
146M    app.log.2011-02-10.xz

openssl speed Opteron 6174

                  sign    verify    sign/s verify/s
rsa  512 bits 0.000135s 0.000012s   7405.8  83012.7
rsa 1024 bits 0.000593s 0.000037s   1685.5  26901.0
rsa 2048 bits 0.004291s 0.000114s    233.0   8754.4
rsa 4096 bits 0.028732s 0.000516s     34.8   1936.6
                  sign    verify    sign/s verify/s
dsa  512 bits 0.000154s 0.000169s   6486.2   5930.2
dsa 1024 bits 0.000370s 0.000398s   2702.3   2514.5
dsa 2048 bits 0.001123s 0.001201s    890.3    832.7