The utilization could also be a problem of the Centrino power saveing
options. Take a look at the frequency of the CPU ( right click on
"Arbeitsplatz" )

-----Ursprüngliche Nachricht-----
Auftrag von Marcello Vezzelli
Gesendet: Dienstag, 6. Dezember 2005 14:44
An: ICS support mailing
Betreff: Re: [twsocket] ICS sockets on XP Home

Fastream Technologies wrote:
> Hello,
> Recently, my Athlon64 -literally speaking- burned and I am stuck on my
WinXP Home notebook. Anyway, thanks to Intel Centrino and its 2MB cache this
is fast enough... Anyway this is OT.
> In my XP Pro, I was able to have 600 connections to ICS web server with
Socrates but with Home/Centrino, I can only have 20! Both machines have 1GB
RAM so I do not understand what is that GIANT difference. I also noticed
that on the notebook, only 20% CPU is utilized during the stress test. Since
the web server has memory caching, the problem could not be the 5400RPM disk
versus the 7200RPM one. Any idea? I also tested with Apache 2.2.0 and it
could only achieve 17 connections/sec! The file is a 1KB GIF.

The problem is XP home: the tcp layer has some restrictions on the max
number of connections to the same ip.
There are some (very unofficial) fixes for this problem.

Marcello Vezzelli
Software Development Department
E-Works s.r.l.
tel. +39 059 2929081
fax +39 059 2925035
Direzionale 70 - Via Giardini 456/c
41100 Modena - Italy

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