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´ou are evaluating its cache performance on a machine with a 1024 -byte direct-mapped data 16-byte blocks (B=16). Assume the sizeof(int) = 4 , x and y are variables defined in a struct is at memory address 0 ,the cache is initially empty and the only memory accesses are to the ne array grid. For the following code: the total no.of reads? the total no.of reads that miss in the cache? = the miss rate? for (i = 0; i< 16; i++) { for (j = 0; j< 16; jt#) { total x += grid[].x: total y += grid[j](lL.v; }}

´ou are evaluating its cache performance on a machine with a 1024 -byte direct-mapped data 16-byte blocks (B=16). Assume the sizeof(int) = 4 , x and y are variables defined in a struct is at memory address 0 ,the cache is initially empty and the only memory accesses are to the ne array grid. For the following code: the total no.of reads? the total no.of reads that miss in the cache? = the miss rate? for (i = 0; i< 16; i++) { for (j = 0; j< 16; jt#) { total x += grid[].x: total y += grid[j](lL.v; }}

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
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c programming not c++ (cache)

Task 4: You are evaluating its cache performance on a machine with a 1024 -byte direct-mapped data cache with 16-byte blocks (B = 16). Assume the sizeof(int) =4 , x and y are variables defined in a struct grid begins at memory address 0 ,the cache is initially empty and the only memory accesses are to the entries of the array grid. For the following code: a) What is the total no.of reads? b) What is the total no.of reads that miss in the cache? c) What is the miss rate? for (i = 0; i< 16; i++) { for (j = 0; j< 16; i) { total x+= grid[j][i).x: total y += grid[j]lil.v; }}
Transcribed Image Text:Task 4: You are evaluating its cache performance on a machine with a 1024 -byte direct-mapped data cache with 16-byte blocks (B = 16). Assume the sizeof(int) =4 , x and y are variables defined in a struct grid begins at memory address 0 ,the cache is initially empty and the only memory accesses are to the entries of the array grid. For the following code: a) What is the total no.of reads? b) What is the total no.of reads that miss in the cache? c) What is the miss rate? for (i = 0; i< 16; i++) { for (j = 0; j< 16; i) { total x+= grid[j][i).x: total y += grid[j]lil.v; }}
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