advzip comparison (unvanquished 0.51.1 dpk set)

Size	Bytes		Time	Seconds	Command
776M	812921692	2s		2		advzip -0 (store)
463M	484728736	17s		17		advzip -1 (fast/zlib)
457M	478430494	28s		28		advzip -2 (normal/7z)
457M	478283339	2m44s	124		7z -tzip -mx=9
456M	477960851	4m2s	242		advzip -3 (extra/7z)
456M	477468445	14m1s	841		advzip -4 (insane/zopfli)