Date: Wed, 11 Jan 2006 14:36:08 -0500 From: Gerard Seibert <gerard@seibercom.net> To: freebsd-questions@freebsd.org Subject: Re: Dual Core vs HyperThreading vs Dual CPU Message-ID: <20060111143450.1D2E.GERARD@seibercom.net> In-Reply-To: <20060111150356.60259.qmail@web33311.mail.mud.yahoo.com> References: <cb5206420601101006q7e0fbf55scf42b52f0890dc16@mail.gmail.com> <20060111150356.60259.qmail@web33311.mail.mud.yahoo.com>
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Danial Thom <danial_thom@yahoo.com> > > > --- "Andrew P." <infofarmer@gmail.com> wrote: > > > On 1/10/06, Marc G. Fournier <scrappy@hub.org> > > wrote: > > > > > > I'm going to assume that Dual Core is better > > (can't believe that they took > > > a step back) ... but, is how does it rate? I > > know that HyperThreading is > > > definitely != Dual CPU ... but how close does > > Dual Core get? > > > > There is extensive evidence (google for that, > > please), that > > HT is even slower than a single core in quite a > > few applications. > > Moreover, the whole HT implementation has been > > shown to > > be a security risk. In the near future intel is > > going to spend $1.9bn > > on its new marketing campaign. If you wanna be > > part of it, > > buy their CPU, half of the money will be in > > your nearest billboard. > > > > Dual-core is a new, and a very smart concept, > > which is exactly > > equal to a dual-cpu configuration in terms of > > performance per > > core - plus it provides a huge cut down on > > power consumption, > > and a theoretically hugely faster > > interconnection between the > > cores (they are physically many times closer). > > Thats not entirely true, as its not *exactly* the > same. It looks the same to an O/S, but things are > wire differently, so there are likely to be some > differences. > > > > > By 2010 we'll see 4-core, 8-core and maybe even > > 16/32 solutions. > > Intel has implied that they will have > multi-multicore processors (more then 2) a lot > sooner than you think. But for now the multicore > thing is just marketing hype because most O/Ses > don't utilize DP efficiently enough to make the > gains worthwhile. You'll likely see more urgency > to produce them when OS'es can actually benefit > from them. Most people today who use DP system > just "assume" they are faster or better without > having any real clue if they are or not. > > DT > Dell has a graphic display of the difference between its processors available at: http://www1.us.dell.com/content/topics/topic.aspx/global/products/dimen/topics/en/dimen_xps600_sp_specs?c=us&cs=19&l=en&s=dhs Click on "Tech Specs" to view it. -- Gerard Seibert gerard@seibercom.net
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