A computer system has 1 MB of byte-addressable main memory and 8 kB of 2-way set...

 

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A computer system has 1 MB of byte-addressable main memory and 8 kB of 2-way set associative cache memory. One cache line is 4 bytes. (i) Determine the number of cache lines. [1 mark] (ii) Determine the size of the "tag" and "set" fields of the memory address. [4 marks] (iii) Figure Q1(d)(iii) shows a portion of the main memory contents (all numbers are in hexadecimal). Draw a diagram showing the cache contents after memory location ABCDE (hexadecimal) is accessed. [5 marks] Address ABCDA ABCDB ABCDC ABCDD ABCDE ABCDF ABCEO ABCE1 Contents 12 34 56 78 9A BC DE FO Figure Q1(d)(iii) A computer system has 1 MB of byte-addressable main memory and 8 kB of 2-way set associative cache memory. One cache line is 4 bytes. (i) Determine the number of cache lines. [1 mark] (ii) Determine the size of the "tag" and "set" fields of the memory address. [4 marks] (iii) Figure Q1(d)(iii) shows a portion of the main memory contents (all numbers are in hexadecimal). Draw a diagram showing the cache contents after memory location ABCDE (hexadecimal) is accessed. [5 marks] Address ABCDA ABCDB ABCDC ABCDD ABCDE ABCDF ABCEO ABCE1 Contents 12 34 56 78 9A BC DE FO Figure Q1(d)(iii)

Answer rating: 100% (QA)

i To determine the number of cache lines we need to divide the size of the cache memory by the size of each cache line In this case the cache memory h... View the full answer