"minimal" build,

target is an ext3 dir :

real	3m37.672s
user	1m29.218s
sys	0m42.619s

wipe the dir :

real	0m17.266s
user	0m0.020s
sys	0m0.992s

target is a tmpfs dir :

real	2m29.282s
user	1m27.889s
sys	0m39.506s

wipe the dir :

real	0m0.258s
user	0m0.008s
sys	0m0.248s


hdd perfs are :

 Timing cached reads:   2318 MB in  2.00 seconds = 1160.01 MB/sec
 Timing buffered disk reads:  132 MB in  3.04 seconds =  43.37 MB/sec

mem perfs are :

write: ~883 MB/s
read: 1.9GB/s

processor is Intel dual core:

cpu MHz		: 1662.557
cache size	: 2048 KB
model name	: Genuine Intel(R) CPU           T2300  @ 1.66GHz

bogomips	: 3328.81
bogomips	: 3325.28