Suppose we have two 2-dimensional arrays a and b, and consider the following C code. int a[4][4]; int b[4][4]; for (int i = 0; i < 4; i++) for (int j = e; j < 4; j++) { a[i][j] = 0; b[j][i] = 1; Assume that array a starts at address 0 and array b starts at address 64; the size of int is 4 bytes; the cache is 32 bytes and direct-mapped with a block size of 16 bytes; the cache is initially empty; accesses to the a and b arrays are the only sources of misses. (a) Out of 16 accesses to array a, how many are cache misses? (b) Out of 16 accesses to array b, how many are cache misses?

Suppose we have two 2-dimensional arrays a and b, and consider the following C code. int a[4][4]; int b[4][4]; for (int i = 0; i < 4; i++) for (int j = e; j < 4; j++) { a[i][j] = 0; b[j][i] = 1; Assume that array a starts at address 0 and array b starts at address 64; the size of int is 4 bytes; the cache is 32 bytes and direct-mapped with a block size of 16 bytes; the cache is initially empty; accesses to the a and b arrays are the only sources of misses. (a) Out of 16 accesses to array a, how many are cache misses? (b) Out of 16 accesses to array b, how many are cache misses?

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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