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Questions and Answers
The original expression for communication time is valid for congested networks.
The original expression for communication time is valid for congested networks.
False
The cost of message transfer can be accurately modeled without considering the memory layout.
The cost of message transfer can be accurately modeled without considering the memory layout.
False
Temporal locality refers to the preferential use of data elements within relatively close storage locations.
Temporal locality refers to the preferential use of data elements within relatively close storage locations.
False
Dimension-ordered routing is used to avoid hot-spots.
Dimension-ordered routing is used to avoid hot-spots.
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Cache thrashing can be avoided by using infinite cache sizes.
Cache thrashing can be avoided by using infinite cache sizes.
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The communication time is not affected by the number of messages being sent over a link.
The communication time is not affected by the number of messages being sent over a link.
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Routing mechanisms are not necessary for interconnection networks.
Routing mechanisms are not necessary for interconnection networks.
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Prefetching cannot play a role in reducing the overhead associated with data access.
Prefetching cannot play a role in reducing the overhead associated with data access.
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Communication deadlock occurs when process A is trying to send a message to process B, which is not trying to send one to process C.
Communication deadlock occurs when process A is trying to send a message to process B, which is not trying to send one to process C.
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Invalidate and update operations have no overheads associated with them.
Invalidate and update operations have no overheads associated with them.
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