[K12OSN] Scalability (long email)
jim at winonacotter.org
Wed Apr 7 15:20:36 UTC 2004
>From what I have seen configuring workstations from Dell in the past is
that it hinges on the bus speed. Anything 533MHZ and under no
multithread, anything 800MHZ and over (is there anything higher?) will
do multithreading. I think the 800MHZ bus is only offered for P4's at
like 2.4GHZ or higher. So make sure you verify the Motherboard bus
speed and don't just rely on the processor info.
From: k12osn-bounces at redhat.com [mailto:k12osn-bounces at redhat.com] On
Behalf Of Julius Szelagiewicz
Sent: Wednesday, April 07, 2004 8:39 AM
To: Support list for opensource software in schools.
Subject: Re: [K12OSN] Scalability (long email)
On Tue, 6 Apr 2004, Shawn Powers wrote:
> Thank you very much for the reply. I didn't realize that not all P4's
> are multithreaded.
I think that true multithreading was introduced with P4 3.06GHz.
One way to test how well it works and if the kernel is really smp is to
run a process that takes 100% cpu. if the server stops, the smp or
multithreading are not working ;-) julius
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