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Stroller <stroller <at> stellar.eclipse.co.uk> writes: |
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> I'm always rather reluctant to enable any of these, being unsure |
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> whether my ageing PentiumPro or Pentium 4 CPUs support such features |
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> as 3DNow! (originally an AMD technology) or the advanced SSSSSSSSSE3. |
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I run this on dozens of amd64 laptops and 3workstations and servers |
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from make.conf: |
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USE="mmx mmxext sse sse2 sse3 3dnow 3dnowext \ |
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no problems, great performance! |
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Here is something nice from that palladies dude I keep in my |
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.bashrc: |
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# USE flag settings hack by Ciaran McCreesh: |
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explainuseflag(){ sed -ne "s,^\([^ ]*:\)\?$1 - ,,p" $(portageq |
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portdir)/profiles/use.{,local.}desc; } |
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alias ef="explainuseflag" |
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ef sse3 |
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Enable optimisations using the sse3 assmbly code |
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Enable SSE3 support |
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ef ssse3 |
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faster floating point optimization for SSSE3 capable chips (Intel Core 2 and |
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later chips) |
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My wife just loves Palladis exercise class.... |
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;-) |
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hth, |
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James |
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