Date: Thu, 23 Nov 2006 21:29:52 -0200 From: Ricardo Nabinger Sanchez <rnsanchez@wait4.org> To: Ulrich Spoerlein <uspoerlein@gmail.com> Cc: Kip Macy <kip.macy@gmail.com>, Alan Cox <alc@cs.rice.edu>, arch@freebsd.org Subject: Re: superpage plans Message-ID: <20061123212952.f332a7ad.rnsanchez@wait4.org> In-Reply-To: <20061122201625.GC1522@roadrunner.q.local> References: <b1fa29170611220939g32469638ncf3a3ddd4bba3670@mail.gmail.com> <45649E42.70409@cs.rice.edu> <20061122201625.GC1522@roadrunner.q.local>
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On Wed, 22 Nov 2006 21:16:25 +0100
Ulrich Spoerlein <uspoerlein@gmail.com> wrote:
> what performance impact do you estimate for "older" processors? I know
> very little about superpages, so I assume that, e.g., earlier Pentiums
> don't support it? Where do you think the break off point lies?
Please correct me if I'm wrong, but if superpages means using 4 MB TLB pages,
then it is quite old (~1993) and every pentium (i586 or newer) should support
it.
--
Ricardo Nabinger Sanchez <rnsanchez@{gmail.com,wait4.org}>
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