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Politics : Formerly About Advanced Micro Devices

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To: Tenchusatsu who wrote (75538)	10/14/1999 6:43:00 PM
From: Petz	Read Replies (1) of 1573056

Ten, re:<SPECint95 & SPECfp95, two benchmarks that have been around for four years already> We all know that the results can be manipulated as desired by rewriting the compiler. The compiler used for MPF results was written by Intel within the last 4 months and therefore qualifies as a "new benchmark." To give you an idea how much compiler optimizations can screw up SPECfp95, take a look results for the Alpha 21264 500 MHz, an Athlon 600 and an Intel PIII-600 running on 3 different Fortran compilers: CPU_TYPE Linux egcs1.1.2 Intel For2.4() Digital For6.0a Alpha500 22.8 n/a 39.6 Athlon-600 17.5 21.5 21.0 PIII-600 12.4 14.8 14.7 () - pre-PIII, no SSE optimizations Notice how Digital's compiler just happens to boost the Alpha score 50% more than everything else. Petz

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