On Wed, 27 May 1998 16:05:30 +1000 
 Simon Burge <simonb@telstra.com.au> wrote:

 > >  Matt Thomas <matt@3am-software.com> wrote:
 > >
 > >  > matt@baker> mips.ttcp -t -s -f m -n 8192 -u 10.16.176.70
 > >  > ttcp-t: buflen=8192, nbuf=8192, align=16384/0, port=5001  udp  -> 10.16.176.70
 > >  > ttcp-t: socket
 > >  > ttcp-t: 67108864 bytes in 12.60 real seconds = 40.63 Mbit/sec +++
 > >  > ttcp-t: 8198 I/O calls, msec/call = 1.57, calls/sec = 650.62
 > >  > ttcp-t: 0.2user 12.3sys 0:12real 99% 0i+0d 0maxrss 0+2pf 0+144csw
 > > 
 > > Lot of system time, but that could be lots of things.  What does "ping"
 > > latency look like?
 > 
 > This compares favorably with Ultrix 4.4 between two 5000/260s (R4400's):
 > 
 >  mel132:~ 2> ./ttcp -t -s -f m -n 8192 -u 144.136.33.70
 >  ttcp-t: buflen=8192, nbuf=8192, align=16384/0, port=5001  udp  -> 144.136.33.70
 >  ttcp-t: socket
 >  ttcp-t: 67108864 bytes in 11.66 real seconds = 43.93 Mbit/sec +++
 >  ttcp-t: 8198 I/O calls, msec/call = 1.46, calls/sec = 703.32
 >  ttcp-t: 0.0user 9.5sys 0:11real 81% 30i+56d 17maxrss 0+0pf 0+979csw

Wow, that's really pretty good, considering that the R4400 is a MUCH faster
processor than the R3000 in the /240!

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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