Homework P&H Ch. 6 and 7
Answer the following questions about Patterson and Hennessy, Chapters 6
and 7.
You only need to turn in those that have a point count assigned.
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What is the most important difference between the
north bridge and the south bridge in a modern
computer's chip set?
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(1 point)
What is the primary function of the transport layer?
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What is the primary function of the network layer?
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(1 point)
What is DMA?
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(1 point)
A program is optimized by running parts of it in parallel on a machine
with 4 processors.
Before optimization, the parallelized part of the program accounted
for 80% of the run time of the program.
What is the overall speedup ratio resulting from this optimization,
disregarding communication overhead?
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(1 point)
What do UMA and NUMA mean in the context of
multiprocessor architectures.
In addition to expanding the acronyms, you answer should indicate the
significance in terms of memory organization.
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(1 point)
What do the acronyms SISD, SIMD, MISD, and MIMD mean?
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(1 point)
If multiple processors have private memory address spaces how can they
communicate?