Date: Sun, 5 Aug 2001 12:34:28 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: hackers@freebsd.org Cc: dillon@earth.backplane.com Subject: Re: Page Coloring Message-ID: <200108051934.f75JYSo35024@vashon.polstra.com> In-Reply-To: <200108051929.f75JTgF82008@earth.backplane.com> References: <200108030347.f733lIC01436@mass.dis.org> <200108051913.f75JDir81853@earth.backplane.com> <200108051917.f75JHqn34961@vashon.polstra.com> <200108051929.f75JTgF82008@earth.backplane.com>
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In article <200108051929.f75JTgF82008@earth.backplane.com>, Matt Dillon <dillon@earth.backplane.com> wrote: > :Yes, I understand that. I'm just trying to find out why Mike keeps > :saying we cannot determine the processor cache characteristics at > :runtime. > : > :John > > You can find out from the cpuid or something like that, Yes. As I said, you can find out from the CPUID instruction by passing it the value 2 in %eax. > but it's probably easier to simply do it programmatically, or > not bother at all. It's not worth the effort. We would not > reap any additional benefit from knowing. Opinions on that seem to vary wildly. Mike said just the opposite. Since that was not the point I addressed, I'll let the two of you debate it out. John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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