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To: andreas_wonisch who wrote (56640)	9/28/2001 2:39:12 PM
From: semiconeng	Read Replies (4) \| Respond to of 275872

Could you please list a few applications and benchmarks you consider as 'new code'? intel.com

To: andreas_wonisch who wrote (56640)	9/28/2001 3:12:18 PM
From: Elmer	Read Replies (3) \| Respond to of 275872

Could you please list a few applications and benchmarks you consider as 'new code'? They should be readily available and come from an independent party (so SPEC is okay but Intel made benchmarks not). This is no trick question, I am just interested in your opinion. I'm glad to see you are sensible about SPEC. It's THE industry standard and it's supported by Compaq/Alpha, AMD, IBM, HP, Fujitsu, MIPS, SGI, SUN, and of course Intel. Athlon performance is only mediocre while Intel's P4 posts the highest scores ever measured for both Integer and Floating Point. Higher than Alpha, higher than HP-PA, higher than SPARC and higher than Itanium. The spectacular P4 performance is gained by compiling with a modern compiler that is P4 aware. The SPEC scores are based on code generated by Intel's C++ and Fortran Compilers. In order to explain these staggering SPEC scores Jerry's Kids claim Intel's compiler is rigged to just run SPEC code and is useless for anything else. As new software is compiled to take advantage of P4's optimizations the performance gains are very impressive and seem to confirm the incredible scores seen in SPEC. spec.org Why does Athlon appear to outperform P4 in non-SPEC FP benchmarks? Athlon has an optimized x87 FPU. Intel only has a lower performance x87 compatibility unit because they have added SSE2 instructions which greatly accelerate FPU operations when the compiler knows enough to use them. Jerry's Kids point to old x87 benchmarks and high 5 each other about how great Athlon is and how bad P4 is, however Athlon is completely blown away by new SSE2 code, as is every other processor in the world(until McKinley comes out). Northwood, the .13u version of P4 will have higher frequencies, higher bus speeds, larger cache and other undisclosed optimizations. Expect a major boost to already world leading performance. I'm sorry I don't have a good list of new commercial software that is P4 optimized but you can find a review of P4 benchmarks using SSE2 at: www6.tomshardware.com www6.tomshardware.com