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David van der Spoel wrote:<br>
<blockquote type="cite" cite="mid:1037281120.15408.16.camel@matisse">
<pre wrap="">On Thu, 2002-11-14 at 13:30, Anton Feenstra wrote:<br></pre>
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<pre wrap="">Hi,<br><br><br>I noticed that on our old, single Athlon 1GHz nodes mdrun uses the<br>3Dnow instructions, while on the new, dual Athlon 1.3GHz it uses the<br>SSE instructions. My feeling is that the (Athlon specific) 3Dnow would<br>be faster. So, why is SSE used? Is SSE (if available - the 1GHz CPU's <br>don't have it) or 3Dnow faster on Athlons?<br></pre>
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<pre wrap=""><!----><br>Eric tested it, and SSE is faster. So 3DNow will not be developed much<br>more.</pre>
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Right. And SSE is IEEE compliant (not that it matters lot), so even AMD recommend
it over 3DNow.<br>
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Cheers,<br>
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Erik<br>
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