Subject: Re: Network speed question...
To: None <port-mac68k@netbsd.org>
From: Bruce Anderson <brucea@wavefront.com>
List: port-mac68k
Date: 08/06/1998 01:26:00
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<SMALLER><FIXED> As Allen suggested, 298 KB/s is the disk speed.
</FIXED></SMALLER><SMALLER><FIXED> IIci 25Mhz 030 w/MacCon
NuBus-A , 32KB memory (NetBSD 1.3)
Max thruput to a Cyrix233MX w/ISA 10BaseT 3COM NIC (NetBSD 1.3.2)
ftp> get ghostscript-5.10.tgz /dev/null
</FIXED></SMALLER><SMALLER><FIXED> 3594574 bytes received in 5.71
seconds (614.79 KB/s)
Running NetBSD 1.3 (GENERICSBC) #56: Wed Dec 31 13:40:50 PST 1997
The drive is a QUANTUM, FIREBALL540S <<-Errors? Never :)
time cp ghostscript-5.10.tgz ghostscript-5.10.tgzz ;\
time cp ghostscript-5.10.tgzz /dev/null
0.0u 10.6s 0:10.56 100.9% 0+0k 449+452io 0pf+0w
0.0u 3.6s 0:03.52 103.1% 0+0k 442+1io 0pf+0w
</FIXED></SMALLER><SMALLER><FIXED>3594574 bytes in 3.6s is (
read 975 KB/s )</FIXED></SMALLER><SMALLER><FIXED>
</FIXED></SMALLER><SMALLER><FIXED> 3594574 bytes in 7.0s is (
write 501 KB/s )
</FIXED></SMALLER><SMALLER><FIXED>time dd if=3Dghostscript-5.10.tg=
z of=3Dghostscript-5.10.tgz2 bs=3D1k
3594574 bytes transferred in 17 secs (211445 bytes/sec)
0.1u 16.9s 0:17.18 99.7% 0+0k 453+460io 0pf+0w
time dd if=3Dghostscript-5.10.tgz of=3D/dev/null bs=3D1k
3594574 bytes transferred in 7 secs (513510 bytes/sec)
0.1u 6.6s 0:06.69 101.4% 0+0k 441+1io 0pf+0w
</FIXED></SMALLER><SMALLER><FIXED>3594574 bytes in 6.7s is (
read 523 KB/s )</FIXED></SMALLER><SMALLER><FIXED>
</FIXED></SMALLER><SMALLER><FIXED> 3594574 bytes in 10.5s is (
write 334 KB/s )
</FIXED></SMALLER><SMALLER><FIXED>
BA-
On Wed, Aug 5, 1998 10:14 PM, </FIXED></SMALLER>
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Content-Description: Allen Briggs
bWFpbHRvOmJyaWdnc0BjYW5vbG9nLm5pbnRod29uZGVyLmNvbQ==
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<SMALLER><FIXED> wrote:
</FIXED></SMALLER><SMALLER><FIXED>> > That is exactly what you
should get.
> > IIci 25Mhz 030 w/MacCon NuBus-A , 32KB memory (NetBSD
1.3)
> > ping from Cyrix233MX -> IIci ~(5.5-6.3)ms
> > Max thruput to a Cyrix233MX w/ISA 10BaseT 3COM NIC (NetBSD
> > 1.3.2)
> > ftp> get ghostscript-5.10.tgz
>
> Actually, you should probably try:
> ftp> get ghostscript-5.10.tgz /dev/null
>
> to get the network speed, although ttcp is better... ;-)
>
> > 3594574 bytes received in 11.75 seconds (298.83 KB/s)
>
> ~300KB/s sounds a lot like the disk speed. I don't know if the
> network speed is much higher, though. There's a lot of overhead
> in handling the nubus interrupts--I don't know how much room for
> improvement there is, or how much improving the interrupt
> overhead would improve the network performance.
>
> -allen
>
</FIXED></SMALLER><SMALLER><FIXED>> </FIXED></SMALLER><SMALLER><FIXED>-=
-
> Allen Briggs - briggs@ninthwonder.com
</FIXED></SMALLER><SMALLER><FIXED>> </FIXED></SMALLER><SMALLER><FIXED>
</FIXED></SMALLER><SMALLER><FIXED>> </FIXED></SMALLER><SMALLER><FIXED>
</FIXED></SMALLER><SMALLER><FIXED>>
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