[RC5] Athlon XP/MP even faster?

Bjoern Martin boris59 at gmx.net
Thu Oct 18 21:45:23 EDT 2001


>Its possible a faster core could be developed to take advantage
>of their new features but at the moment they run the same core
>[rc5 core #6 (RG/HB re-pair II)] that the Athlons and Tbirds use.
>Here is a quick comparison of keys / MHz on the Athlon systems I
>have access to.
>Original K7, 800 MHz: 2,852,953 keys/sec: ~3566 keys/sec/MHz
>Athlon MP 1.2 GHz:    4,230,781 keys/sec: ~3525 keys/sec/MHz
>so it looks like with the current core Athlon MPs only scale
>linearly with MHz compared to Original Athlons.

Yep, same for me. I never found a machine that didn't scale
linear within about 5% discrepancy.

To make things clear, I could also ask: does SSE improve
the performance of the client regarding RC5?



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