* Dorr H. Clark <dclark@applmath.scu.edu> [020522 09:58] wrote:
>
> I don't have access to a fancy Xeon, I just have
> a PIII dual-banger, so I'm relying on the list traffic.
> To summarize the past two months:
>
> On Thu, 14 Mar 2002, John Baldwin wrote:
>
> On Thu, 14 Mar 2002, Terry Lambert wrote:
>
> On Tue, 23 Apr 2002, FiberOps wrote:
>
> On Tue, 23 Apr 2002, John Baldwin wrote:
>
> On 23-Apr-2002 FiberOps wrote:
>
> This final message was not followed up except by me,
> although someone else informed me that while the CPUs
> launch, FreeBSD can't run processes on them.
>
> So I thought I'd try to stir up an answer to the original question:
>
> For the latest Xeon motherboards, does FreeBSD 4.x stable
> support hyperthreading? If not, does the current TOT?
> If not, why not? Is gcc an issue or not? If gcc is an issue,
> would this be an obstacle for all gcc-based OSes,
> not just FreeBSD, most prominently among these Linux?
>
> Clear answers gratefully appreciated,
I'm glad you chose to take the word of a couple of people
that have never used a hyperthreading board above what I've
already told you.
Here's what I know:
The additional CPUs probe.
A benchmarking utility reports equivelant performance to a 4 way
machine.
--
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.'
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