Linux-kernel mailing list archive 1999-25,: Re: Adventures with bonnie and linux-2.3.7

# Re: Adventures with bonnie and linux-2.3.7

BOSZORMENYI Zoltan (zboszor@mol.hu)
Thu, 24 Jun 1999 08:51:52 +0100

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Hi!

Andrea Arcangeli wrote:
>
> On Wed, 23 Jun 1999, BOSZORMENYI Zoltan wrote:
>
> >/dev/hdb
> >Kernel Block write Block read Kernel compile time
> > K/sec %CPU K/sec %CPU dep bzImage
> >2.2.10 7958 16.8 5891 8.7 1:06.89 8:45.87
> >2.3.7 6006 11.6 5946 8.6 1:09.02 8:46.99
> >2.3.8-pre2 6077 10.8 6069 9.0 1:10.11 8:57.25
> >2.3.7-andrea1 7217 13.6 6165 8.9 0:49.38 8:42.29
>
> Could you give a try also to:
>
> ftp://ftp.suse.com/pub/people/andrea/kernel-patches/2.2.10_andrea-VM9.gz
>
> This one is against 2.2.10 and it's a "stable" release. You may consider
> it the equivalent of 2.3.7_andrea1, but against 2.2.10 and really stable.

I tried it:

2.2.10-VM9

make dep: 31.25user 3.62system 1:00.32elapsed 57%CPU
make dep (second time): 32.11user 3.44system 1:03.14elapsed 56%CPU
make bzImage: 484.68user 30.97system 8:46.40elapsed 97%CPU

2.3.8

make dep: 31.04user 3.73system 1:06.47elapsed 52%CPU
make dep (second time): 32.12user 3.38system 0:43.90elapsed 80%CPU
make bzImage: 484.01user 32.10system 8:49.51elapsed 97%CPU

2.3.7-andrea1:

make dep: 31.37user 3.54system 1:00.25elapsed 57%CPU
make dep (second time): 31.95user 3.70system 1:02.69elapsed 56%CPU
make bzImage: 485.56user 33.05system 8:48.07elapsed 98%CPU

I cannot tell you what caused the differences between this and
yesterday's figures. I did both testings twice. Only the kernels
I compiled differed. 2.3.7-andrea1 for the previous one and 2.3.8
for this one but that should not cause this.

The interesting things in this were the second "make dep" times.
2.3.8 did it in 30% less time. I did the timings this way for both
the yesterday's and today's figures:

<reboot>
make mrproper
<copy a saved config file to the source tree>
make oldconfig
sync ; sync ; time make dep
sync ; sync ; time make dep
sync ; sync ; time make bzImage

Regards,
Zoltan

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- Next message: Alan Cox: "Re: RFC: BSD system call revoke?"
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- Maybe in reply to: BOSZORMENYI Zoltan: "Adventures with bonnie and linux-2.3.7"