問題詳情
20. Amdahl's law is often used in parallel computing to predict the theoretical speedup when using multiple processors.Assume we have a program that is 80% parallelizable, What is the theoretical speedup gained by running onQuad-Core machine relative to a Single-Core machine ?
(A)2.5
(B)4
(C)0.8
(D)3.2
參考答案
答案:A
難度:困難0.307692
統計:A(4),B(0),C(3),D(1),E(0)