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On Tue, 2008-04-08 at 15:43 +0100, Anthony Metcalf wrote: |
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> Alan McKinnon wrote: |
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> > On Tuesday 08 April 2008, Anthony Metcalf wrote: |
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> > |
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> >> � � But what else? Will mtune=k6-2 make executables that will run on |
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> >> an Athlon 64? Anyone tried this? Would I get to a point where I could |
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> >> make -e world and have a nice working system? |
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> >> |
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> > |
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> > k6 is 32 bit right? |
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> > |
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> > There's no sane upgrade path to amd64, looks like you are in for a |
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> > reinstall |
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> > |
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> > |
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> Yes, 32bit, and Athlon 64s ran x86 last I heard :) |
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> |
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> The 64bit argument is one I will have to consider more deeply, but |
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> certainly in the near term, I won't gain anything from it, as I don't do |
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> *any* of the things the extended memory range is good for, and don't |
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> need more than 4GB RAM....... |
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> |
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> Later when I upgrade to a phenom, and stick 1GB RAM per core in there, |
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> then yeah, I will probably recompile into 64bit, but that can be done in |
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> a chroot, and migrated fairly easily I would expect, so long as the |
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> system is running. |
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> |
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It's not just the memory. Using 64bit gives your CPU some more registers |
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thus (possibly) making him faster and it speeds up 64bit calculations |
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(e.g. double precision floating point). |
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I don't think you'll need this for your purposes but I just wanted to |
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say: It's not just the 4 Gig. |
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