With these characteristics for a processor: Base CPI: 1.2 Processor speed: 2GHZ Main Memory access time: 200ns L1 cache miss rate: 8% L2 cache direct-mapped miss rate: 2% L2 cache direct-mapped access speed: 15 cycles L3 cache 8-way set associative miss rate: 0.5% L3 cache 8-way set associative speed: 40 cycles a) What is the CPI for the system without the L2 cache (all misses access main memory)? Explain/show your work. b) What is the CPI for the system with the addition of the direct-mapped L2 cache? Explain/show your work. c) What is the CPI for the system with the further addition of the 8-way associative L3 cache? Explain/show your work.
With these characteristics for a processor: Base CPI: 1.2 Processor speed: 2GHZ Main Memory access time: 200ns L1 cache miss rate: 8% L2 cache direct-mapped miss rate: 2% L2 cache direct-mapped access speed: 15 cycles L3 cache 8-way set associative miss rate: 0.5% L3 cache 8-way set associative speed: 40 cycles a) What is the CPI for the system without the L2 cache (all misses access main memory)? Explain/show your work. b) What is the CPI for the system with the addition of the direct-mapped L2 cache? Explain/show your work. c) What is the CPI for the system with the further addition of the 8-way associative L3 cache? Explain/show your work.
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
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