A 32-bit computer has a data cache memory with 8 KB and lines of 64 bytes. Calculate the hit ratio of this program.double a[1024], b[1024], c[1024], d[1024];// A double occupies 8 bytes ,// the array are consecutively stored// in memoryfor (int i = 0; i < 1024; i++)a[i] = b[i] + c[i] +d[i]; The cache uses a direct mapped function and write-back policy.The cache uses a full associative cache with LRU as replacement algorithm.The cache uses a 2-way associative cache and a 4-way associative cache with LRU asreplacement algorithm.

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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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A 32-bit computer has a data cache memory with 8 KB and lines of 64 bytes. Calculate the hit ratio of this program.

double a[1024], b[1024], c[1024], d[1024];

// A double occupies 8 bytes ,

// the array are consecutively stored

// in memory

for (int i = 0; i < 1024; i++)

a[i] = b[i] + c[i] +d[i];

The cache uses a direct mapped function and write-back policy.
The cache uses a full associative cache with LRU as replacement algorithm.
The cache uses a 2-way associative cache and a 4-way associative cache with LRU as

replacement algorithm.

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