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Authors:
Linda Null ,julia Lobur
Chapter:
Alternative Architectures
Exercise:
Exercises
Question:24 | ISBN:9780763704445 | Edition: 3

Question

24. Given the following Omega network, which allows 8 CPUs (P0 through P7) to access 8 memory modules (M0 through M7):

a) Show how the following connections through the network are achieved (explain how each switch must be set). Refer to the switches as 1A, 2B, etc.:

i) P0 → M2

ii) P4 → M4

iii) P6 → M3

b) Can these connections occur simultaneously or do they conflict? Explain.

c) List a processor-to-memory access that conflicts (is blocked) by the access P0 → M2 that is not listed in part (a).

d) List a processor-to-memory access that is not blocked by the access P0 → M2 and is not listed in part (a).

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