Messages in this thread | | | Date | Mon, 9 Jan 2006 23:49:32 +0100 | From | Jesper Juhl <> | Subject | Re: Athlon 64 X2 cpuinfo oddities |
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On 1/9/06, Dave Dillow <dave@thedillows.org> wrote: > On Mon, 2006-01-09 at 21:18 +0100, Jesper Juhl wrote: > > Second thing I find slightly odd is the lack of "sse3" in the "flags" list. > > I was under the impression that all AMD Athlon 64 X2 CPU's featured SSE3? > > Is it a case of: > > a) Me being wrong, not all Athlon 64 X2's feature SSE3? > > b) The CPU actually featuring SSE3 but Linux not taking advantage of it? > > c) The CPU features SSE3 and it's being utilized, but /proc/cpuinfo > > doesn't show that fact? > > d) Something else? > > Can't help you with the rest, but SSE3 is called "pni" in cpuinfo for > historical reasons, IIRC.
Ahh yes, PNI as in Prescot New Instructions - right? Hmm, someone really ought to rename that to sse3 these days.
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