Re: Benchmarks: Linux Registry (from the author)

["Avi Alkalay" <avi alkalay net>]

Oh, and I forgot to tell you:
The default behavior of the 'rg ls -R' command is to qsort() the keys,
which is a pretty heavy task for +1000 entries.

I guess that when you don't ask it to sort them (a simple switch when
using the API), "user" times bellow will be better.

Regards,
Avi


On Fri, 16 Apr 2004 20:00:13 -0300, "Avi Alkalay" <avi unix sh> said:
> Ok, so I runned some benchmarks tests.
> I loaded my registry using all conversion scripts provided in the
> registry package. They'll convert users, groups, passwords, fstab,
> inittab, XF8Config, kudzu's hwconf.
> 
> I got 1010 keys.
> 
> 
> 
> 
> 
> # will list all keys under 'system' namespace
> bash#
> bash# rg ls -R system | wc -l
>    1010
> 
> 
> 
> 
> 
> 
> 
> # Will list (stat()) all keys under 'system' namespace
> bash#
> bash# time rg ls -R system > /dev/null
> 
> real    0m0.088s
> user    0m0.050s
> sys     0m0.020s
> 
> 
> 
> 
> 
> 
> 
> # Will list, read (open()) and parse all comments and
> # values for keys under 'system' namespace (1010 keys)
> bash#
> bash# time rg ls -Rv system > /dev/null
> 
> real    0m0.211s
> user    0m0.140s
> sys     0m0.070s
> 
> 
> 
> I made the tests in my old home system: Athlon 700MHz, 128MB RAM, ext3,
> Fedora Core 1, KDE 3.2 up and running and eating my memory, 1405
> bogomips, with my girldfriend using it simultaneously to hotmail her
> friends.
> 
> Letting ext3's cache work more will improve this times.
> 
> Regards,
> Avi
> 
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