xwrt 3.2 command line options for good compression results

Large Text Compression Benchmark (read more)

xwrt 3.2 (Oct. 29, 2007) is a dictionary preprocessor frontend to LZMA, PPMVC and lpaq6 as well as a standalone preprocessor. Option
-l14 selects lpaq6 option 9 (1542 MB).
-b255 selects 255 MB memory (maximum) for building the dictionary.
-m96 selects 96 MB buffer during compression. (Higher values cause out of memory error).
-s turns of space modeling.
-e40000 limits the dictionary size to 40000 words.
-f200 limits the dictionary to words that occur at least 200 times.

Compression                      Compressed size      Decompressor  Total size   Time (ns/byte)Program           Options                       enwik8      enwik9     size (zip)   enwik9+prog  Comp Decomp  Mem Alg Note-------           -------                     ----------  -----------  -----------  -----------  ----- -----  --- --- ----xwrt 3.2     -l14 -b255 -m96 -s -e40000 -f200 18,679,742  151,171,364     52,569 s  151,223,933   2537  2328 1691 CM