MHonArc で変換したものを mknmz すると: ChaSen:

makoto@nazuha ■15:55:12/001112(~)> cat chasen/NMZ.log
[Base]
Date:                Sat Nov 11 22:59:21 2000
Added Documents:     3,884
Size (bytes):        14,124,510
Total Documents:     3,884
Added Keywords:      67,418
Total Keywords:      67,418
Wakati:              module_chasen -j -F '%m '
Time (sec):          805
File/Sec:            4.82
System:              netbsd
Perl:                5.006
Namazu:              2.0.5

Kakasi:

makoto@nazuha ■15:55:22/001112(~)> cat  kakasi/NMZ.log
[Base]
Date:                Sat Nov 11 21:09:54 2000
Added Documents:     3,884
Size (bytes):        14,124,510
Total Documents:     3,884
Added Keywords:      127,780
Total Keywords:      127,780
Wakati:              module_kakasi -ieuc -oeuc -w
Time (sec):          1,734
File/Sec:            2.24
System:              netbsd
Perl:                5.006
Namazu:              2.0.5

殆んど同じことを Chasen でもう一度。(時間がかかりすぎ) ?
実は少しだけ試して、それに追加という形。

[Append]
Date:                Sun Nov 12 18:21:21 2000
Added Documents:     3,800
Size (bytes):        13,843,217
Total Documents:     3,884
Added Keywords:      62,891
Total Keywords:      67,420
Wakati:              /usr/local/bin/chasen -j -F '%m '
Time (sec):          2,724
File/Sec:            1.40
System:              netbsd
Perl:                5.006
Namazu:              2.0.5