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Unformatted text preview: Pentium D part (b): Arithmetic Means Chip Memory Performance Dhrystone Performance Arithmetic Mean of Metrics Arithmetic Mean of Normalized Athlon 64 X2 4800+ 1.14 1.36 12070.5 1.25 Pentium EE 840 1.08 1.24 11060.5 1.16 Pentium D 820 1.00 1.00 9110 1.00 Athlon 64 X2 3800+ 0.98 1.13 10035 1.05 Pentium 4 0.91 0.50 5176 0.71 Athlon 64 3000+ 0.98 0.50 5290.5 0.74 Pentium 4 570 1.17 0.74 7355.5 0.95 Processor X 2.33 0.33 6000 1.33 4. Problem 1.14, page 62 a. Amdahl’s Law: speedup = 1/[0.6 + (0.4/2)] = 1.25 b. Amdahl’s Law: speedup = 1/[0.01 + (0.99/2)] = 1.98 c. Amdahl’s Law: speedup = 1/[0.2 + 0.8*[0.6 + (0.4/2)] ]= 1.19 d. Amdahl’s Law: speedup = 1/[0.8 + 0.2*[0.01 + (0.99/2)] ]= 1.11...
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 Fall '09
 STAFF
 Computer Architecture, Failure rate, Pentium 4, Athlon 64, 2.3 W, SSE3

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