xtool v0.5 on doom file's gameresources.patch & gameresources.resources
e

recomp:c256mb 9.20 > 19gb
e

recomp:c128mb 9.20 > 18.6gb
e

recomp:c64mb 9.20 > 16.6gb
e

recomp:c32mb 9.20 > 14.4gb
*for optimal setting for doom use xtool only on gameresources.patch & gameresources.resources
need hif2raw_dll.dll, raw2hif_dll.dll
[External compressor:xprecomp]
header = 0
packcmd = xtool.exe e

recomp:c160mb,t4:zlib - - <stdin> <stdout>
9.20gb > 19gb > 4.41gb , srep+lolz
*decompression seems to be very slow almost 20 min, xtool most of the time use only 11% with 438mb of ram...
unpackcmd = xtool.exe d

recomp:t100p - - <stdin> <stdout>