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ack policy sists of mu $2 bytes. T ag informa 1 of 1 mnor

ack policy sists of mu $2 bytes. T ag informa 1 of 1 mnor

Database System Concepts
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
Section: Chapter Questions
Problem 1PE
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Consider a processor which generates 32-bit address. A system uses write back policy in 256 KB direct mapped cache. It consists of multiple blocks with each block size as 32 bytes. The cache controller maintains the tag information for each cache block comprising of 1 modified bit, 1 replacement bit and 1 valid bit. The total size of memory needed at the cache controller to store meta-data for the cache is KB?
Transcribed Image Text:Consider a processor which generates 32-bit address. A system uses write back policy in 256 KB direct mapped cache. It consists of multiple blocks with each block size as 32 bytes. The cache controller maintains the tag information for each cache block comprising of 1 modified bit, 1 replacement bit and 1 valid bit. The total size of memory needed at the cache controller to store meta-data for the cache is KB?
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