Assume the following parameters for a shadow paging system. TLB Misses per1000 Instructions NPT TLB MissLatency Page Faults per1000 Instructions Shadowing PageFault Overhead 0.2 200 cycles 0.001 30,000 cycles For a benchmark with native execution CPI of 1, what are the CPI numbers if using shadow page tables vs. NPT (assuming only page table virtualization overhead)? What techniques can be used to reduce page table shadowing induced overhead? What techniques can be used to reduce NPT induced overhead?
Assume the following parameters for a shadow paging system. TLB Misses per1000 Instructions NPT TLB MissLatency Page Faults per1000 Instructions Shadowing PageFault Overhead 0.2 200 cycles 0.001 30,000 cycles For a benchmark with native execution CPI of 1, what are the CPI numbers if using shadow page tables vs. NPT (assuming only page table virtualization overhead)? What techniques can be used to reduce page table shadowing induced overhead? What techniques can be used to reduce NPT induced overhead?
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Assume the following parameters for a shadow paging system.
TLB Misses per 1000 Instructions |
NPT TLB Miss Latency |
Page Faults per 1000 Instructions |
Shadowing Page Fault Overhead |
0.2 | 200 cycles | 0.001 | 30,000 cycles |
For a benchmark with native execution CPI of 1, what are the CPI numbers if using shadow page tables vs. NPT (assuming only page table virtualization overhead)?
What techniques can be used to reduce page table shadowing induced overhead?
What techniques can be used to reduce NPT induced overhead?
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