Consider the following two code snippets (code 1 and code 2) that perform the same computation on a 4 by 4 matrix of 32 bit integers Code 1 for (i 0 j 4 j ) for (i 0 i 4 i ) xili 10 yilli Memory Location 0 Both the matrices x and y are stored contiguously in memory in row major order Row major order means that elements in the same row of the matrix are adjacent in memory as shown in the following memory layout for matrix y 4 Code 2 for (i 0 i 4 i ) for (j 0 j 4 j ) xli 10 yilli 12 8 y 0 0 y 0 1 y 0 2 y 0 3 y 1 0 16 60 y 3 13 (a) Consider a 64 bytes fully associate data cache with 16 byte cache blocks, LRU replacement policy, and write back with write allocate policy Which code (code 1 or code 2) will faster by providing all the details related to miss rate for both read misses and write misses (b) If we change the cache block size to 8 byte, which code will run faster Explain your reasoning in detail by calculating the number of misses

Question: Consider the following two code snippets (code 1 and code 2) that perform the same computation on a 4 by 4 matrix of 32-bit

Consider the following two code snippets (code 1 and code 2) that perform the same computation on a 4 by 4

Consider the following two code snippets (code 1 and code 2) that perform the same computation on a 4 by 4 matrix of 32-bit integers: Code 1 for (i=0; j

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Answer Given Fully associative cache Any block can be placed in any cache line No restrictions Cache block size Initially 16 bytes and we are considering changing it to 8 bytes LRU replacement policy ... View full answer

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