Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: Ali Chen who wrote (34980)	7/22/1998 10:59:00 PM
From: Elmer	Read Replies (2) of 1573197

Ali, allow me to provide the data that proves you wrong. developer.intel.com Here are the SPECfp95 results for a PentiumII processor. The 333mhz and the 350mhz versions. The 333mhz PII has a 66mhz bus and the 350 PII has a 100mhz bus. Here are the scores 333mhz = 9.55 350mhz = 11.2 The frequency difference between these 2 devices is only 5.1% yet the benchmark difference is 17.3%. If your claim that there is only a 1-2% improvement going from a 66mhz bus to a 100mhz bus is true, how is it that the floating point benchmarks increase by 12.2% MORE than should be expected by the frequency increase alone? Also keep in mind that no processor scales perfectly so there should have been less than 5.1% improvement if the bus frequency had no effect as you claim. EP

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