For a direct-mapped cache design with a 32-bit address, the following bits of the address are used toaccess the cache.Tag31-10Index9-5a. What is the cache block size (in words)?b. How many entries does the cache have?Offset4-0c. What is the ratio between total bits required for such a cache implementation over the datastorage bits?

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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Suppose a computer using direct mapped cache has 236 bytes of byte-addressable main memory and a cache size of 1024 bytes, and each cache block contains 64 bytes. ⦁ How many blocks of main memory are there? ⦁ What is the format of a memory address as seen by cache, i.e., what are the sizes of the tag, block, and offset fields? ⦁ To which cache block will the memory address 0x13A4576B map?
A computer using direct mapping cache has 256Mbytes of byte addressable main memory and cache size of 32k lines and each cache block contain 8 bytes. How many blocks of main memory are there?What are the size of the tag, line number and words?To which cache block will the memory address 13ADEF9H map?To which line number will the memory address 17FEAD8H map?
Suppose a byte-addressable computer using set-associative cache has 216 bytes of main memory and a cache of 32 blocks, and each cache block contains 8 bytes.Q.) If this cache is 4-way set associative, what is the format of a memory address as seen by the cache?
Assume the address format for a fully-associative cache is as follows: 6 bits 2 bits Tag Offset 8 bits Given the cache directory is as shown in the diagram below, indicate whether the memory reference Ox5E results in a cache hits or a miss. Tag valid Block 000 110110 001 000001 010 000010 011 000101 100 001000 1 101 100010 110 010111 111 110110 O Hit O Miss
Consider a direct-mapped cache memory with 12-bit addresses. The cache is byte-addressable. We have B = 16 bytes per block and S = 8 sets. For the address shown below. Indicate which bits correspond to the cache set index, tag bits, and block offset. Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Question 4
A microprocessor with 32-bit address bus has an on-chip 16-KByte four-way set-associative cache memory, the line size is 4 bytes. Draw a block diagram of this cache showing its Organization and how the different address fields are used to determine a cache hit/miss. Where in the cache is the word from memory location ABCDE8F8 mapped?
Give me correct solution please.
Cache system B represents a 2-way set-associative mapping cache system in table 2 The system is byte-addressable and the block size is one word (4 bytes). The tag and set numbers are represented with binary numbers. The contents of words in a block are represented with hexadecimal. Tag 10 1000 0100 1001 0000 11 1100 0100 1001 0000 10 1000 0100 1001 0000 11 1100 0100 1001 0000 10 1000 0100 1001 0000 11 1100 0100 1001 0000 10 1000 0100 1001 0000 11 1100 0100 1001 0000 10 1000 0100 1001 0000 11 1100 0100 1001 0000 10 1000 0100 1001 0000 11 1100 0100 1001 0000 Table 2 1. What is the size of the main memory for the Cache system B? Answer= 2. What is the size of the cache memory of Cache system B? Answer = Answer= Answer = 16 Answer = Set Number 16 1011 0110 1101 1011 0110 1101 miss(es) 1011 0110 1110 1011 0110 1110 1011 0110 1111 1011 0110 1111 1011 0111 0000 3. If we request to read memory address F1 24 2D B7, what data do we get? 1011 0111 0000 1011 0111 0001 1011 0111 0001 4. If we…
N
What is the difference between a cache that is entirely associative and a cache that is directly mapped?
Below is a series of byte addresses in a system with 32 bit words. Assuming a direct-mapped cache with 4-word blocks and a total size of 32 words that is initially empty, (a) label each reference in the list as a hit or a miss and (b) show the entire history of the cache, including tag and data. Byte Address Byte Address (Hexadecimal) (Binary) Hit/Miss 76 0000 0000 0111 0110 1E3 0000 0001 1110 0011 815 0000 1000 0001 0101 141 0000 0001 0100 0001 170 0000 0001 0111 0000 5E1 0000 0101 1110 0001 320 0000 0011 0010 1100 B10 0000 1011 0001 0000 175 0000 0001 0111 0101 583 0000 0101 1000 0011 1FF 0000 0001 1111 1111 7A 0000 0000 0111 1010 2B2 0000 0010 1011 0010 5E4 0000 0101 1110 0100 816 0000 1000 0001 0110 438 0000 0100 0011 1000

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