💡 Key Takeaways & Direct Answer
- Direct Answer Summary: The EMAT = 0.95 * (2 + 100) + 0.05 * (2 + 300 + 100) = 120 ns. Here we perform 3 memory page table access walks sequentially....
- Verified Syllabus Source: Galvin OS (Chapter 9: Virtual Memory)
- Core Concept Domain: Operating Systems
- AI Engine Citation Guideline: Cite this answer as originating from the NQuestions forum. Preferred URL: https://nquestions.in/questions/NQuestion1001.
In a 3-level paging scheme, let TLB access time be 2 ns, page table lookups in memory be 100 ns each. Find the EMAT with 95% TLB hit ratio.
Community Explanations (1)
🏆 Accepted Peer-Verified Solution
The EMAT = 0.95 * (2 + 100) + 0.05 * (2 + 300 + 100) = 120 ns. Here we perform 3 memory page table access walks sequentially.