Hi Brett,

What you are reporting is (IMO) that clients seem to be the limiting factor 
here (as is also the case when you go though a proxy).

Thanks,

Maarten

On Wednesday 20 February 2002 13:32, you wrote:
> Hi Petr, Maarten and other ladies and gentlemen,
>
> > as there is some problem with tcp performance on W9x machines (tests for
> > 100x call to echo function is some 44 sec regardless of machine being
> > P300 or P650), I gave Rugby a test on W2K, 1.4 Athlon XP machine ....
> >
> > Could some of you, help here with some profiling, please?
>
> I've run some tests with a Rugby I downloaded on 18-Feb-02. Be warned
> though these tests were not rigourous.
> Tests were run with View which was stupid (memory concerns), but I started
> that way and was not going to go over
> it again. Besides I'm not well and should be in bed :).
>
> Conclusion: Win9x throttled output of Rugby to normally less than 2
> requests per second, *but* was capable of serving more if more clients
> attached. The 2 requests per second is close to what Petr reported.
>
> Petr you might want to try doing a multiple client script like I have to
> see if this is reflected on your machine.
>
> Tests performed using Petr's server script with a modified client script
> (both included below). The tests took time so
> I did not run many. The numbers therefore jump around a bit. The machine
> IPs were used for the network tests.
>
> I tried this stuff on three machines - four environments (the p300 was dual
> booted). Here are the configurations and the approximate test results in
> requests per second in the brackets:
>
> ===test: localhost / single server / single client  (Req/Sec)
>
> The telling result here is the dual booted p300...
>
> 486 laptop 20Mb ?mhz W95  [1.7 - 1.73]
> P150 48Mb W98 [1.67 - 1.7]
>
> P300 96Mb W98 [1.67 - 1.7]
> P300 96Mb WNT4 [38 - 41]
>
> ===test: machine-to-machine / single server / single client (Req/Sec)
>
> These machine to machine tests were carried over a quiet network through a
> switch. Client listed first. Unfortunately,
> and I don't know why, I couldn't get NT to serve the W9x clients (the
> clients could not find it) - probably a screw up
> in the networking configuration. Could invalidate the results.. but oh
> well...
> These tests were not repeated.
>
> 486W95 -> P150W98  [2.26]
> P300Nt4 -> P150W98  [1.93]
>
> P150W98 -> 486W95 [1.7]
> P300Nt4  -> 486W95 [1.76]
>
> ===test: single server / multiple clients (Req/Sec)
>
> This is a more interesting test. It shows that the W9x machines could
> server more requests but are
> effectively throttled when talking to a particular client. I basically
> started multple client sessions
> on the p300Nt4 box.
>
> Starting the clients involves bashing the enter key multiple times quickly
> so the timing is not brilliant but using a test duration of 1 minute should
> be ok (which is what I did).
>
> ---Network test.
>
> 10x P300Nt4 -> 486W95   [0.9 - 0.95]
>
> Multiply up and the 486 was really delivering about 9 requests per second.
> Go the 486!
>
> ---Network test.
>
> 13x P300Nt4  -> P150W98 [1.3 - 1.5]
> (1 client failed Vxd error on server)
>
> Multiply up and the P150 was really delivering over 15 requests per second.
>
> ---Localhost tests
>
> 5x P300Nt4  -> P300Nt4  [7.3 - 8.1]
>
> Multiply up and the P300Nt4 was really delivering about 35 - 40 requests
> per second which is consistent with the single server localhost test. I
> tried this particular test with other number of clients (11, 13). The
> results were consistent with
> about 35 - 40 requests per second once you took all the clients together.
>
> 10x P300W98  -> P300W98  [1.63]
>
> I suspect that all the clients would be limited to about 1.65 in this
> environment unless they number more than 20. But
> I could not test this because I could not practically manage to set off
> over 20 clients!
>
> ===Scripts
>
> ---Server script
>
> REBOL []
> do %rugby.r
> serve/with [echo] tcp://:8005
>
> ---Client script
>
> REBOL []
>
> do %rugby.r
> do get-rugby-service http://localhost:8005
>
> end-time: add 0:00:30 start-time: now/precise
> req: 0
> until [req: req + 1 echo "test" greater? now end-time]
> print ["Duration (s)" duration: to-decimal (end-time/time -
> start-time/time)]
> print ["Requests" req]
> print ["Requests/seq" req / duration]
>
> halt
>
> ===Regards :)
>
> If no one blows my tests out of the water, then I feel like I've learnt
> something.
> I hope it is of some use.
>
> Regards
> Brett.
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