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Date:      Wed, 31 Jul 2002 15:23:36 -0400 (EDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        "Brandon D. Valentine" <bandix@geekpunk.net>
Cc:        FreeBSD-Hackers <freebsd-hackers@freebsd.org>
Subject:   RE: SMP problem on E7500 chipset
Message-ID:  <XFMail.20020731152336.jhb@FreeBSD.org>
In-Reply-To: <20020731141839.U54035-100000@dallben>

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On 31-Jul-2002 Brandon D. Valentine wrote:
> On Wed, 31 Jul 2002 igor_dorovskoy@agilent.com wrote:
> 
>> Looks like you do have hyper threading support on in your BIOS.
>> Turn it off to disable virtual CPU's in your Xeons
> 
> Incidentally, anyone working on Intel P4 hyperthreading support?

We already support it back to 3.0, though not necessarily in the
most efficient manner.  5.0 will handle hyperthreading slightly
better than 3.x and 4.x, but I expect that real support (as in,
schedule threads onto CPU's more sanely so we balance load on
physical processors) will be a 6.0 feature.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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