Messages in this thread |  | | | Date | Sat, 29 Jul 2006 11:54:43 -0700 | | From | "Handle X" <> | | Subject | Re: Building the kernel on an SMP box? |
| |
On 7/29/06, Jesper Juhl <jesper.juhl@gmail.com> wrote: > On 27/07/06, Brian D. McGrew <brian@visionpro.com> wrote: > > Good morning all! > > reasonable configuration to get my builds down under five minutes or so? I got a (moderately old) Sun V20z with 2 Opteron 2.2 GHz with 7G ram. My numbers are comparable with yours. (I don't know if they are on the lower side for such a h/w configuration) > > My box builds my ordinary .config (attached) in under 5min : > > $ time make -j3 > real 3m58.047s > user 4m54.574s > sys 1m24.202s Mine is (with your configuration file, src updated with latest linus' tree, [om@turyxsrv /home/src/linux-2.6]$ time make -j4 ...snipped... real 4m12.316s user 5m12.600s sys 0m37.742s
With stdout redirected, (It helps to save a minute or so ) [om@turyxsrv /home/src/linux-2.6]$ time make -j4 >>time.txt
real 3m23.504s user 5m14.776s sys 0m38.138s
> > Here are some more numbers for you to compare to your box : > > allnoconfig : > > $ make clean > $ make allnoconfig > $ time make -j3 > real 0m54.544s > user 1m2.113s > sys 0m20.781s
[om@turyxsrv /home/src/linux-2.6]$ time make -j4 > allnoconfigtime.txt real 0m43.399s user 1m6.256s sys 0m9.389s > > allmodconfig : > > $ make clean > $ make allmodconfig > $ time make -j3 > real 28m49.748s > user 35m3.212s > sys 10m43.633s
[om@turyxsrv /home/src/linux-2.6]$ time make -j4 > allmodconfigtime.txt real 39m59.100s user 34m16.857s sys 4m36.697s > This box uses a Athlon64 X2 4400+ CPU, has 2GB RAM and a single > Ultra160 SCSI disk. [root@turyxsrv ~]# hdparm -tT /dev/sda
/dev/sda: Timing cached reads: 2676 MB in 2.00 seconds = 1338.79 MB/sec Timing buffered disk reads: 184 MB in 3.02 seconds = 61.00 MB/sec - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |