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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