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Suppose we have a system with the following properties:
• The memory is byte addressable.
• Memory accesses are to 1-byte words (not to 4-byte words).
• Addressed are 12 bits wide.
• The cache is two-way set associative (E= 2), with a 4-byte block size (B = 4) and four sets.(S = 4).
The contents of the cache are as follows, with all addresses, tags and values given in hexadecimal notation:
- A. The following diagram shows the format of an address (1 bit per box). Indicate (by labeling the diagram) the fields that would be used to determine the following:
CO. The cache block offset
CI. The cache set index
CT. The cache tag
- B. For each of the following memory accesses, indicates if it will be a cache hit or miss when carried out in sequence as listed. Also give the value of a read if it can be inferred from the information in the cache.
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Chapter 6 Solutions
EBK COMPUTER SYSTEMS
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