Date: Mon, 22 Dec 2008 09:29:31 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-questions@freebsd.org Subject: Re: Status of hyperthreading in FreeBSD Message-ID: <20081222092818.N17220@wojtek.tensor.gdynia.pl> In-Reply-To: <gimg6d$5id$1@ger.gmane.org> References: <200812202039.NAA10290@lariat.net> <gimg6d$5id$1@ger.gmane.org>
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> > Atom's HTT is actually pretty good - I saw up to 25% more performance > simply by using multithreading in 7zip's compression benchmark (on > WinXP, though). Of course, OTOH it uses about that much more transistors > on the CPU die so it's not exactly free performance. really that much? i thought maybe 1-2% (just 2 sets of registers). it would be better to put 2 much simpler cores in place of this one. or 100 ARM7 cores ;) (it would fit)
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