Date: Sat, 29 Mar 2003 09:42:13 +0000 From: David Malone <dwmalone@maths.tcd.ie> To: Aristedes Maniatis <ari@ish.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: 4.8 hyperthreading changes Message-ID: <20030329094213.GA22311@walton.maths.tcd.ie> In-Reply-To: <F07EDB4D-618A-11D7-B788-003065A9024A@ish.com.au> References: <20030328104638.T208@freebsdmall.com> <F07EDB4D-618A-11D7-B788-003065A9024A@ish.com.au>
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On Sat, Mar 29, 2003 at 01:05:39PM +1100, Aristedes Maniatis wrote: > makes it seem like this is a new 4.8 feature. Should I be concerned > about upgrading when 4.8 is released in order to obtain the benefits of > better use of these CPUs? The BIOS in the machine in question must be setting up the logical CPUs so that they look like physical CPUS - in this case FreeBSD treats them exactly like physical CPUs. The hypertreading support in 4.8 can enable logical CPUs even if the BIOS has not set them up. David.home | help
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