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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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