Answered: Assume a direct-mapped cache system has…

Assume a direct-mapped cache system has been designed such that each block contains 4 words and the cache has 1024 lines. What is the tag, line ID and word ID for twenty-bit address 3A45616?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter6: System Integration And Performance

Section: Chapter Questions

Problem 22VE

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Concept explainers

Types of database architectures

A Database Architecture represents the Database Management System’s (DBMS) design (schema). The DBMS architecture makes it easy to understand the components involved in the database system and their relations. The DBMS architecture may vary based on the system on which it runs. Some systems contain both client and server machines whereas some run only on a server machine. Based on the architecture, the system can be classified as centralized, decentralized, or hierarchical.

Question

Assume a direct-mapped cache system has been designed such that each block contains
4 words and the cache has 1024 lines. What is the tag, line ID and word ID for twenty-bit
address 3A45616?

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For a direct-mapped cache design with a 32-bit address, the following bits of the address are used to access the cache. We assume that each word has 4 bytes. What is the ratio between total bits required for such a cache implementation over the data storage bits?
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For a direct-mapped cache design with a 32-bit address, the following bitsof the address are used to access the cache. Use the table below. a. What is the cache block size (in words)?b. How many entries does the cache have?c. What is the ration between total bits required for such a cache implementation overthe data storage bit?
For a direct-mapped cache design with a 32-bit address, the following bits of the address are used to access the cache: Tag Index Offset 31-10 9-6 5-0 1. What is the cache block size (in words)? 2. How many entries does the cache have? 3. What is the ratio between total bits required for such a cache implementation over the data storage bits?
For a direct-mapped cache design with 64-bit addresses, the following bits of the address are used to access the cache: Tag Index Offset 63-13 12-4 3-0 a. What is the cache block size (in bytes)?b. What is the cache size (in bytes)?c. What is the total number of bits (including valid bit, tag bits and data array bits) to implement this cache?d. For the same block and cache sizes, you want to implement a 4-way set-associative cache, what is the number of index bit and the number of tag bits?
In a microprocessor of 32 bit addresses, the tag length will change if we design a two-way set-associate cache versus a four-way set-associative cache, with the same number of cache lines in each organization, and the same number of data bytes per set. a. True b. False
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Assume a cache system has been designed such that cach block contains 4 words and the cache has 1024 lines, the cache can store up 10 1024 blocks. What line of the cache is supposed 10 hold the block that contains the word from the twenty-bit address JA456:? In addition, what is the tag number that will be stored with the block?