Linksys Cardbus performance (new)

[Douglas Eadline]

On Thu, 25 Feb 1999, Nicholas Jenkins wrote:

> Good Day, ALL:
> 
> Today, I put Mr. Becker's latest csr0 option to the test.
> I found that using .90q instead of .90p today brought
> my performance values more in line with what other
> people have been finding.  (Also of note is that I discoverd
> yesterday some router problems we were having for the
> last few days - which may also have had an effect on my
> prior statistics.)
> 
> At any rate, I ran multitudinous FTPs over the last hour,
> and the following are my results:
You may want to use something designed to measure network
performance like netperf of netpipe. (see previous postings
for sources).

-Doug

> 
> *) In general it would appear (as Mr. Becker had noted in a prior
>     posting) that at least for the Linksys, bit 24 being set to "1" 
>     hurts - at least for settings below "C000" - except "0000" - 
>     which is an odd case.
> *) In general, it would not appear (based on my new numbers)
>     that adding the "burst limit" particularly helps (or hurts)
> *) In general I found that my best setting is roughly "00A0C000",
>     although it was very little different from any of the following:
>     00A04000
>     00A04800
>     00A08000
>     00A09000
>     00A0E000
>     00A00000
>     01A0C000
>     01A0E000
>     01A00000
> 
> Here are my numbers, in kilobytes/sec.  (for the large numbers,
> I would say that any difference of <= ~100K is not significant, since
> our hubbed network traffic is "bursty".):
> 
> 00A04000
> moon - 970-1000
> wrtfac - 790
> 
> 00A04800
> moon - 970-1000
> wrtfac - 860
> 
> 00A08000 - 1st time
> moon - 980-1000
> wrtfac - 930
> 
> 00A08000 - 2nd time
> moon - 930-940
> wrtfac - 900
> 
> 00A09000 - 1st time
> moon 920-1000
> wrtfac - 910
> 
> 00A09000 - 2nd time
> moon - 900-940
> wrtfac - 870
> 
> 00A0C000 - 1st time
> moon - 840-1000
> wrtfac - 920
> 
> 00A0C000 - 2nd time
> moon - 880-930
> wrtfac - 830
> 
> 00A0E000 - 1st time
> moon - 850-890
> wrtfac - 860
> 
> 00A0E000 - 2nd time
> moon - 900-950
> wrtfac - 930
> 
> 00A00000 - 1st time
> moon - 850-960
> wrtfac - 950
> 
> 00A00000 - 2nd time
> moon 830-850
> wrtfac - 820
> 
> 01A04000
> moon - 44-45
> wrtfac - 40
> 
> 01A04800
> moon 13-21
> wrtfac - 21
> 
> 01A08000 - 1st time
> moon - 68-90
> wrtfac - 92
> 
> 01A08000 - 2nd time
> moon - 87-91
> wrtfac - 87
> 
> 01A09000 - 1st time
> moon - 58-180
> wrtfac - 96
> 
> 01A09000 - 2nd time
> moon - 65-190
> wrtfac - 140
> 
> 01A0C000 - 1st time
> moon - 800-1000
> wrtfac - 880
> 
> 01A0C000 - 2nd time
> moon - 880-950
> wrtfac - 880
> 
> 01A0E000 - 1st time
> moon - 740, 820
> wrtfac - 860
> 
> 01A0E000 - 2nd time
> moon - 770-870
> wrtfac - 830
> 
> 01A00000 - 1st time
> moon - 830-970
> wrtfac - 910
> 
> 01A00000 - 2nd time
> moon - 900-1000
> wrtfac - 900
> 
> -NICK

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