Re: suprising fast 'find /' (2.2.0-pre9)
H. Peter Anvin (hpa@transmeta.com)
22 Jan 1999 05:51:55 GMT
Followup to: <Pine.LNX.4.02.9901211856370.1015-100000@sjoerd.sjoerdnet>
By author: Arjan Filius <arjan@xs4all.nl>
In newsgroup: linux.dev.kernel
>
> Hello,
>
> If i remeber correctly, a while ago somebody was comparing bsd and Linux
> find (different machines), and Linux/other_machine was not the fastest
>
> I just tried:
> z(tty1) 6:57pm 0 root@sjoerd:~ # time find / > /dev/null
> 0.780u 1.160s 0:02.10 92.3% 0+0k 0+0io 65pf+0w
>
> on a system:
> (tty1) 7:00pm 0 root@sjoerd:~ # df -m
> Filesystem MB-blocks Used Available Capacity Mounted on
> /dev/hdb9 935 778 109 88% /
> /dev/hda2 499 264 235 53% /dos/w95
> /dev/hda5 884 770 69 92% /home
> /dev/hdb5 349 327 2 99% /usr/src
> /dev/hdb6 87 80 6 93% /root
> /dev/hdb2 43 40 0 100% /boot
> /dev/hdb7 261 227 31 88% /usr/lib
> /dev/hdb8 87 57 29 66% /usr/local
> /dev/hdc1 290 5 270 2% /hdd/1
> /dev/hdc2 5552 4755 509 90% /hdd/2
> (AMDK6-2/300,256MB)
>
> And i was plesant surprized! :))
>
> Don't know about previous kernels, but it's certenly faster what was
> reported some time ago :)
>
> Happy 2.2.0!
>
The dcache *really* speeds up operations on directory trees, like
"find". Enjoy :)
-hpa
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