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To: Dan3 who wrote (119418)11/28/2000 12:12:10 AM
From: Elmer  Read Replies (1) | Respond to of 186894
 
Re: "The P4 optimzed FlasK results that wowed Tom:
Original Optimized
P4 1.5GHZ 3.83 14.03
P3 1GHZ 4.39 8.03
Athlon 1.2GHZ 6.43 11.14

tomshardware.com
Now here are Athlon optimzied results using Microsoft VC++ - a real commercial compiler:
Original Optimized
Athlon 550 3.10 8.13
Athlon 1.2GHZ DDR 6.85 17.75

amdzone.com
Face it, the Athlon is a better chip"

Dan the P4 scores you posted are for running X87 code and they show the improvement using the Intel compiler for x87 code. You're comparing P4 running x87 code to Athlon running 3DNOW optimized code. How about comparing 3DNOW to SSE2? Tom's next page shows SSE2 code where P4 completely blows away the 3DNOW scores you posted using the Microsoft VC++ compiler.

tomshardware.com

P4 SS2 score 22.85 from Toms's hardware
Athlon 3DNOW score 17.75 from amdzone.com

P4 beats Athlon running x87 code from the Intel compiler but Athlon does score better running Athlon optimized x87 code. Everyone seems to accept this so there's no surprise. But P4 beats Athlon running 3DNOW code from the Microsoft compiler compared to the P4 running SSE2 code from the Intel compiler by 29%. You may think Athlon is a better chip but the benchmarks say otherwise.

EP