Question 3 (Cache Memory Mapping): I

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Question 3 (Cache Memory Mapping): I
(a) For the main memory address 0:0:0, briefly explain how a search is performed in two-way set
associative mapping. Assume that the main memory size is 4 GB, the cache memory is 8 KB and the size
of cache block is 32 bytes.
(b) A 4-way set associative mapped cache consists of 64 blocks, divided into 4 sets. Main memory consists
of 4K blocks, each containing 128 locations. Complete the following format for the main memory address
by showing all your workings and find the tag size. [Hint: Calculate the no. of locations in the main memory,
which gives the memory size in terms of the total number of bits] ,
Set No.
Block No.
Location Within Block
No. of bits
Transcribed Image Text:Question 3 (Cache Memory Mapping): I (a) For the main memory address 0:0:0, briefly explain how a search is performed in two-way set associative mapping. Assume that the main memory size is 4 GB, the cache memory is 8 KB and the size of cache block is 32 bytes. (b) A 4-way set associative mapped cache consists of 64 blocks, divided into 4 sets. Main memory consists of 4K blocks, each containing 128 locations. Complete the following format for the main memory address by showing all your workings and find the tag size. [Hint: Calculate the no. of locations in the main memory, which gives the memory size in terms of the total number of bits] , Set No. Block No. Location Within Block No. of bits
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