> > I usually only do a 2 pass 7z run.
>
> I just use your setting to compress a full set of CPS1 and found it better than
> using mine (mx=9, mfb=258, mpass=from 1 to 10, means 10 external zip in all) in
> both time cost and compression ratio.
>
> Can you tell me more things? Why these 2, are they a little special than any
> others? I know it hard to compare between different parameter, but I think there
> are some reasons can be told, more or less. Thanks very much.
>


Did you use the deflopt run, too? If yes....well...no idea what 7za does with the one and the other setting...8) Can't tell you why it works a little bit better....you have to ask some zip magicians.


Roman Scherzer