For this question, we assume a write-back and write-allocate cache with 16 byte

Question

For this question, we assume a write-back and write-allocate cache with 16 byte long cache blocks. The following sequence is repeated N times (that is total 6'N accesses) 1. READ 0x04CF 2. READ 0xF3C7 3. WRITE 0x0423 4. WRITE 0x0433 5. WRITE 0x2BC4 6. READ 0x04BF Assume that the cache is empty initially and the entire block is fetched on a miss. a. What is the total number of misses (read misses plus write misses) for a 64B direct- mapped cache? b. What is the total number of writebacks of dirty blocks for the same cache in (a)? c. Find the smallest size for a direct-mapped cache such that there are no misses besides compulsory misses. d. Find the smallest size for a 2-way set associative cache such that there are no misses besides compulsory misses.

Explanation / Answer

using System; using System.IO; using System.Collections; using System.Linq; class program { public static void Main(string[] args) { var t = typeof(IEnumerable); var typesIEnum = AppDomain.CurrentDomain.GetAssemblies().SelectMany(x => x.GetTypes()).Where(x => t.IsAssignableFrom(x)); foreach (var types in typesIEnum) { Console.WriteLine(types.FullName); } Console.ReadLine(); } }

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