Author: Robert Hyatt
Date: 07:25:00 08/29/01
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On August 29, 2001 at 03:39:52, Pham Minh Tri wrote: >I see that recently many computer chess programmers prefer Athlon to Intel. I >have not any Athlon and experience about it (but planing to buy one). However, I >see the benchmark of TSCP (in Tom Kerrigan site) shows that Intel is faster than >Athlon in almost all cases. So I do not understand that preference: because of >price only? Or is TSCP not a typical chess program (in terms of complexity)? Or >do I miss something? TSCP is a lousy sample for predicting performance for _real_ chess engines. It is unsophisticated and small, and runs in the L1 cache of most any CPU. As a result, its performance is not representative of what real chess engines will do. A better benchmark is the specint benchmark values from Crafty, which you can find at spec.org. Crafty is much larger, and the numbers give a better idea of how the entire machine (CPU, L1, L2, memory bus) performs, rather than just focusing on L1 cache. >An additional question: Could VC6 optimize for Athlon? Yes it will. Michel optimized for the AMD when he ran Crafty in the recent WMCCC tournament. >Thanks.
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