Difference of perfs between 2.4.0 + ext3 and 2.4.9-ac17

From: Francois Romieu (romieu@cogenit.fr)
Date: Sun Sep 30 2001 - 08:07:09 EST

I'm submitting a machine to four runs of kernel+modules compile under
MAKE="make -j4" (the same kernel each time). Machine is a bi-PII 350,
384Mo ram.
787384k (priority -1) (raid1 over scsi)
95164k (priority -2) (raid1 over ide)

real 103m39.305s 103m37.916s 103m49.334s 105m17.045s
user 97m9.060s 97m10.450s 97m9.300s 97m9.550s
sys 4m4.900s 4m3.590s 4m5.670s 4m7.050s

real 53m25.069s 53m11.890s 53m7.808s 53m24.110s
user 97m42.970s 97m41.280s 97m43.270s 97m40.650s
sys 5m2.130s 5m1.090s 4m57.440s 5m1.520s

Some graphs from vmstat 1 output are available at

Only the first two runs are available for 2.4.10-ext3 (I lused on vmstat
output file, test is about to be reissued).

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This archive was generated by hypermail 2b29 : Sun Sep 30 2001 - 21:01:12 EST