On Fri, Oct 19, 2001 at 06:19:14AM +0200, Andrea Arcangeli wrote:
> The vm part in particular is right now getting stressed on a 16G box kindly
> provided by osdlab.org and it didn't exibith any problem yet. This is a trace
> of the workload that is running on the machine overnight.
Hello Andrea,
I did some performance comparison on my machine (Athlon 1200, 256MB DDR,
IDE hdd). Basically all I did was time the complete build prozess of a
kernel:
#!/bin/bash
REV=`uname -r`-`date +%s`
LF="/usr/src/logfile-$REV"
PAR=100
tar xvIf /home/public/Linux/kernel/v2.4/linux-2.4.12.tar.bz2 >>$LF 2>&1
cd linux
bzip2 -cd /home/public/Linux/kernel/v2.4/patch-2.4.13-pre5.bz2 | patch -p1
>>$LF 2>&1
bzip2 -cd /home/public/Linux/kernel/v2.4/2.4.13pre5aa1.bz2 | patch -p1 >>$LF
2>&1
patch -p0 < ../Makefile.patch >>$LF 2>&1
cp ../config-2.4.13-pre5aa1 .config
(make oldconfig dep clean && make -j$PAR bzImage modules && cat /proc/loadavg &&
cat /proc/meminfo) >
>$LF 2>&1
I ran the above script five times in a row after a fresh reboot into single
user mode so that no other processes could interfere. Here are the results:
j25 j50 j75 j100
2.4.12-ac3: 4:52.16 5:21.15 6:22.85 10:26.70
2.4.12-ac3: 4:52.31 5:22.52 8:40.97 15:55.37
2.4.12-ac3: 4:51.51 5:18.04 6:08.80 7:09.85
2.4.12-ac3: 4:52.47 5:10.81 5:51.02 8:53.40
2.4.12-ac3: 4:53.24 5:06.96 6:36.49 7:53.92
2.4.13-pre3aa1: 4:52.08 5:57.43 9:43.07 *
2.4.13-pre3aa1: 4:54.22 5:04.17 10:30.56 *
2.4.13-pre3aa1: 4:53.95 5:21.08 11:07.44 *
2.4.13-pre3aa1: 4:55.26 5:30.01 9:53.16 *
2.4.13-pre3aa1: 4:54.39 6:00.32 10:15.06 *
2.4.13-pre5aa1: 4:54.61 5:10.38 5:19.68 5:40.37
2.4.13-pre5aa1: 4:56.39 5:12.39 5:31.16 5:59.54
2.4.13-pre5aa1: 4:55.12 5:11.00 5:13.37 5:43.99
2.4.13-pre5aa1: 4:56.24 5:10.85 5:16.17 5:50.78
2.4.13-pre5aa1: 4:57.05 5:10.97 5:26.41 6:06.42
* Kernel build did not complete because OOM killer was activated.
If further infos are interesting just send me an email.
Kind regards,
Jochen
--Well, yeah ... I suppose there's no point in getting greedy, is there?
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This archive was generated by hypermail 2b29 : Tue Oct 23 2001 - 21:00:28 EST