Unformatted text preview: indicated a speedup of 90%. What is the approximate hit ratio? 7.20 A 128 MB main memory has a 64 kB direct-mapped cache with 16 bytes per line. a. How many lines are there in the cache? 7.21 A certain memory system has a 128 MB main memory and a 2 MB cache. Blocks are 32 bytes in size. Show the Felds in a memory address if the cache is a. associative b. direct-mapped c. 8-way set associative 1...
View Full Document
- Spring '10
- Computer Architecture, CPU cache, main memory, set associative cache, MB main memory, kB direct-mapped cache