Re: SoftFloat Benchmarks | |
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Hi, I ran a last benchmark : stream - http://www.cs.virginia.edu/stream/ ------------------------------------------------------------------ name kernel bytes/iter FLOPS/iter ------------------------------------------------------------------ COPY: a(i) = b(i) 16 0 SCALE: a(i) = q*b(i) 16 1 SUM: a(i) = b(i) + c(i) 24 1 TRIAD: a(i) = b(i) + q*c(i) 24 2 ------------------------------------------------------------------ *** NICO # ./stream_nico Function Rate (MB/s) RMS time Min time Max time Copy: 97.2260 0.3293 0.3291 0.3299 Scale: 63.8205 0.5088 0.5014 0.5276 Add: 64.9983 0.7490 0.7385 0.7559 Triad: 44.2859 1.1012 1.0839 1.1324 *** NetWinder Floating Point Emulator V0.97 (double precision) # ./stream_be Function Rate (MB/s) RMS time Min time Max time Copy: 97.2769 0.3291 0.3290 0.3293 Scale: 5.5320 5.7875 5.7845 5.7969 Add: 7.1311 6.7316 6.7311 6.7327 Triad: 4.9046 9.7930 9.7866 9.7956 *** Fast Floating Point Emulator V0.9 (c) Peter Teichmann. # ./stream_be Function Rate (MB/s) RMS time Min time Max time Copy: 97.2470 0.3292 0.3291 0.3295 Scale: 10.4368 3.0865 3.0661 3.1087 Add: 13.7567 3.4994 3.4892 3.5145 Triad: 10.4331 4.6319 4.6007 4.6718 *** Conclusion : Scale (*) : NICO = 11.5 * NWFPE, NICO = 6.11 * FFPE, FFPE = 1.89 * NWFPE Add (+) : NICO = 9.11 * NWFPE, NICO = 4.72 * FFPE, FFPE = 1.92 * NWFPE Triad (+&*) : NICO = 9.03 * NWFPE, NICO = 4.24 * FFPE, FFPE = 2.13 * NWFPE Eric ------------------------------------------------------------------- Subscription options: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm FAQ/Etiquette: http://www.arm.linux.org.uk/armlinux/mailinglists.php
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