Re: [xz-devel] Oddities with --lzma2 options

2012-03-08 Thread Lasse Collin
On 2012-03-05 Gilles Espinasse wrote: > I find strange here that with a dictionary size even a bit bigger > than with bare -8e the compressed file is a bit bigger. This can sometimes happen, but it shouldn't be the common case. A bigger dictionary might allow encoding some sections of the file bet

[xz-devel] Oddities with --lzma2 options

2012-03-04 Thread Gilles Espinasse
I played with lzma2 options and find two curious things. First, start with something simple as reference (everything tested with xz-5.0.3) xz -vv -8e < coreutils-8.15.tar >/dev/null xz: Filter chain: --lzma2=dict=32MiB,lc=3,lp=0,pb=2,mode=normal,nice=273,mf=bt4,depth=5 12 xz: 370 MiB of memory is