dbench based

Hi all,
here the results of a simple dbench test.
The "core" of script is the following:

for value in 2 8 16 24 32;
do

	log=${kern}$1.dbench${value}.$date.log
	echo $log
		> ./log/$log
		for i in `seq 1 1 3`;
		do 
			echo $i ":" $value
			sync;
			sync;
			sync;
			./dbench $value |grep Th >> ./log/$log
		done;
	
	 awk '{tot+=$2}; END {print "Average: " tot/NR " MB/sec"}' ./log/$log >>./log/$log

The scripts evaluates the average of 3 runs of dbench N. The missing part of the script is just "logging".
If someone is interested I can send or post to lkml the whole script.

--- 2.4.19 ---
Istances Throughput
2 46.6689
8 25.5343
16 20.7133
24 16.2473
32 14.2351

--- 2.5.34 ---
Istances Throughput
2 28.675
8 26.7106
16 21.0888
24 13.9644
32 12.6921

--- 2.5.41 ---
Istances Throughput
2 31.0127
8 32.0934
16 29.3058
24 20.291
32 19.157

Ok, dbench is not the best benchmark but, finally, 2.5.41 is faster then 2.4.19 (from the "dbench" point of view ;-)

HW PIII@800, 256 MiB RAM
FS ext3

Comments ?

Ciao,
Paolo

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