Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 10 Feb 1995 15:14:06 -0500 (EST)
From:      "Jonathan M. Bresler" <jmb@kryten.atinc.com>
To:        John Hay <jhay@mikom.csir.co.za>
Cc:        Ron Minnich <rminnich@mini.sarnoff.com>, freebsd-questions@FreeBSD.org
Subject:   Re: enet throughput
Message-ID:  <Pine.3.89.9502101530.A21642-0100000@kryten.atinc.com>
In-Reply-To: <199502100401.GAA16155@dolphin.mikom.csir.co.za>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
On Fri, 10 Feb 1995, John Hay wrote:

> I think the Ethernet performance also depend on the type of card, I use
> mostly SMC Elite Ultra cards and I get ~1088kbytes/second on 66MHz 486s.
> That is using FreeBSD 1.1.5 or 2.X and the ttcp test program.
> 
> I have a notebook, (33 MHz 486, FBSD 2.0) that use a 3C509 and the
> performance is bad.
> 
> John Hay -- jhay@mikom.csir.co.za
> > 
> > freebsd enet performance doesn't look too good down here. 
> > from freebsd -> irix i see 700 kbytes/sec. This is using 3c509s, isa bus, 
> > p90 systems, the 12/22/94 snap.
> > 
> > from freebsd -> freebsd i see 200 kbytes/second. Linux on similar boxes, 
> > same cards, sees 980 according to a friend. 

	karma: 486dx66 1.1.5.1 3c509 isa  10baseT
	kauai: 486dx50 2.0R    3c509 isa  10baseT

	runs between 4000 kbits and 6000 kbits

karma -> kauai:

kauai jmb [10] !!
./a.out -r -s
ttcp-r: nbuf=1024, buflen=1024, port=2000
ttcp-r: socket
ttcp-r: accept
ttcp-r: -1.9user 1.0sys 0:01real 55% 15i+179d 236maxrss 0+1pf 171+14csw
ttcp-r: 1048576 bytes processed
ttcp-r:   1.06594 CPU sec  =   960.655 KB/cpu sec,    7685.24 Kbits/cpu sec
ttcp-r:    1.8934 real sec =   540.825 KB/real sec,    4326.6 Kbits/sec

karma:jmb [141] !.
./a.out -t -s kauai.atinc.com
ttcp-t: nbuf=1024, buflen=1024, port=2000
ttcp-t: socket
ttcp-t: connect
ttcp-t: 0.0user 0.3sys 0:01real 19% 12i+148d 192maxrss 0+1pf 248+5csw
ttcp-t: 1048576 bytes processed
ttcp-t:      0.36 CPU sec  =   2844.44 KB/cpu sec,    22755.6 Kbits/cpu sec
ttcp-t:    1.8059 real sec =   567.032 KB/real sec,   4536.25 Kbits/sec


kauai -> karma:

karma:jmb [142] ./a.out -r -s
ttcp-r: nbuf=1024, buflen=1024, port=2000
ttcp-r: socket
ttcp-r: accept
ttcp-r: 0.0user 0.1sys 0:01real 11% 12i+136d 184maxrss 0+1pf 704+8csw
ttcp-r: 1048576 bytes processed
ttcp-r:      0.15 CPU sec  =   6826.67 KB/cpu sec,    54613.3 Kbits/cpu sec
ttcp-r:   1.34201 real sec =   763.035 KB/real sec,   6104.28 Kbits/sec

kauai jmb [11] ./a.out -t -s karma.atinc.com
ttcp-t: nbuf=1024, buflen=1024, port=2000
ttcp-t: socket
ttcp-t: connect
ttcp-t: 0.0user 1.1sys 0:01real 87% 15i+189d 252maxrss 0+1pf 73+13csw
ttcp-t: 1048576 bytes processed
ttcp-t:   1.18089 CPU sec  =   867.143 KB/cpu sec,    6937.14 Kbits/cpu sec
ttcp-t:   1.34684 real sec =     760.3 KB/real sec,    6082.4 Kbits/sec

	
Jonathan M. Bresler  jmb@kryten.atinc.com	| Analysis & Technology, Inc.  
						| 2341 Jeff Davis Hwy
play go.					| Arlington, VA 22202
ride bike. hack FreeBSD.--ah the good life	| 703-418-2800 x346




Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?Pine.3.89.9502101530.A21642-0100000>