Suppose a computer having 5 GHz processor with cycle time of 4ns and main memory access time 200ns with CPI is 1 cycle.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
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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Suppose a computer having 5 GHz processor with cycle time of 4ns and main memory access time
200ns with CPI is 1 cycle.
1. Calculate the processor performance without cache.
2. Calculate the performance with L1 cache, assume L1 hit rate is 85% and access time is 0.4ns.
iii. Calculate the performance with L2 cache, assume L2 hit rate is 80% and access time is 10ns.
1. Calculate the performance with L3 cache, assume L3 hit rate is 75% and access time is 10ns.
Transcribed Image Text:Suppose a computer having 5 GHz processor with cycle time of 4ns and main memory access time 200ns with CPI is 1 cycle. 1. Calculate the processor performance without cache. 2. Calculate the performance with L1 cache, assume L1 hit rate is 85% and access time is 0.4ns. iii. Calculate the performance with L2 cache, assume L2 hit rate is 80% and access time is 10ns. 1. Calculate the performance with L3 cache, assume L3 hit rate is 75% and access time is 10ns.
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