thanks to damocles, two places changed. one relates to the performance boost.
tree24a22b96c0b4ad53c2f1d9d22589c3539b26a0db
-rw-r--r-- 33261 .bochsrc
-rw-r--r-- 1115 CODING
-rw-r--r-- 4597 GNUmakefile
drwxr-xr-x - boot
drwxr-xr-x - conf
-rw-r--r-- 6040 grade.sh
drwxr-xr-x - inc
drwxr-xr-x - kern
drwxr-xr-x - lib
-rw-r--r-- 2331 mergedep.pl
drwxr-xr-x - user