Athlon memory speed asymmetry
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Eray Ozkural exa at ttnet.net.trWed Feb 26 03:30:56 PST 2003
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On Tuesday 25 February 2003 18:27, David Mathog wrote: > I'm observing an odd asymmetry in memory utilization on > Athlons. Trivial array operations (read then write) > are up to 30% faster going up through the array then > down through the array. Maybe it's a simple matter of AMD taking upwards memory iteration a common operation and optimizing the architecture for it... They'd do anything to improve those application benchmarks :) Thanks, -- Eray Ozkural (exa) <erayo at cs.bilkent.edu.tr> Comp. Sci. Dept., Bilkent University, Ankara www: http://www.cs.bilkent.edu.tr/~erayo Malfunction: http://mp3.com/ariza GPG public key fingerprint: 360C 852F 88B0 A745 F31B EA0F 7C07 AE16 874D 539C
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