Date: Fri, 20 May 2005 07:29:24 +0000 (UTC) From: "Wilhelm B. Kloke" <wb@arb-phys.uni-dortmund.de> To: freebsd-amd64@freebsd.org Subject: Re: Actual benefits of amd64 over i386 Message-ID: <slrnd8r4h3.285v.wb@yorikke.arb-phys.uni-dortmund.de> References: <BEA97082.3CD55%michael.hopkins@hopkins-research.com> <42842F46.9040608@samsco.org> <4284FD37.2070009@jonny.eng.br> <20050519054630.GC68698@dragon.NUXI.org> <428CC670.50002@jonny.eng.br>
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João Carlos Mendes Luís <jonny@jonny.eng.br> schrieb: > > Would these benefits outcome the losses caused by bigger binaries? > Isn't it possible to use 64 bit registers in a 32 bit segment? Just > like i386 segments, where one could define the default register size... I have made the experience, that the same piece of software (Algol68G interpreter) has had about 10% performance gain in amd64 mode over i386 on the same machine. I don't have the figure about the increase in size at hand.
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