Date: Sun, 13 Sep 2009 19:33:06 +0500 From: rihad <rihad@mail.ru> To: Barney Cordoba <barney_cordoba@yahoo.com> Cc: freebsd-net@freebsd.org Subject: Re: [POLLING] strange interrupt/system load Message-ID: <4AAD02A2.5060207@mail.ru> In-Reply-To: <94372.57247.qm@web63906.mail.re1.yahoo.com> References: <94372.57247.qm@web63906.mail.re1.yahoo.com>
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Barney Cordoba wrote: > > --- On Sun, 9/13/09, rihad <rihad@mail.ru> wrote: >> What's wrong with 64 bits? > > I haven't spent a large portion of my life trying to figure > it out exactly, but I'd guess that the larger size of the > structures and code results in fewer cache hits. Then what's wrong with also doubling cache sizes? Besides, apart from other benefits, 64-bit makes every-day big number arithmetic a single CPU instruction as opposed to several instructions required on 32-bit CPUs through bignum emulation.
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