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Date: Sat, 28 Jun 2003 01:02:38 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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To: Glenn Johnson <gjohnson@srrc.ars.usda.gov>
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Subject: Re: Hyperthreading
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Glenn Johnson wrote:
> Thanks.  I had read the smp manual page.  I know _how_ to enable HTT; I
> was wondering whether I _should_ enable it.  It seems the answer is that
> it is not beneficial in its current state because the scheduler does not
> yet differentiate between physical and logical processors.

Windows does a lot better on the SPECmarks benchmark if you
*disable* it.  Your mileage may vary, but to me it has always
seemed like "Computer Marketecture"...

-- Terry