Messages in this thread | | | Date | Wed, 13 Aug 2003 21:12:20 +0100 | From | Dave Jones <> | Subject | Re: 2.6.0-test3-mm1: scheduling while atomic (ext3?) |
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On Wed, Aug 13, 2003 at 07:34:36PM +0100, Alan Cox wrote: > pre VIA Cyrixen have MMX and CXMMX. The CPU also set bit 31 but doesn't > have 3dnow (which fooled me but the kernel does know about). C3's seem > to have prefetch/prefetchw (but not prefetchnta). I don't have a nemeiah > but I assume Nemeiah has prefetchnta too ?
With Nehemiah, they dropped 3dnow, and went with SSE.
> MMX: Pentium (later only), Cyrix MediaGX (later only), Cyrix 6x86/MII > Intel PII/PIII/PIV, AMD K6/Athlon/Opteron, VIA Cyrix III, VIA C3 > CXMMX: Extended MMX - Cyrix MII/AMD K6(II+ ?)/K7/Opteron > 3DNOW: AMD K6-II/III(not original K6),K7/,Opteron, VIA Cyrix III, > VIA C3 (pre Nemiah only ??)
"Nehemiah". + Winchip-2A (though as mentioned, prefetch is a nop, the rest of 3dnow worked though iirc).
> "Enhanced" 3DNow: Athlon Tbird > SSE: Intel PII, PIII, Athlon (XP, Duron >=1Gz only) > SSE2: Pentium IV
Dave
-- Dave Jones http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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