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VMware Technical Reports 2009

VMware Technical Reports 2009

TR-2009-001EPerformance Evaluation of Intel EPT Hardware Assist
Author(s): Nikhil Bhatia
Abstract: Intel® introduced its second generation of hardware support for virtualization incorporating MMU virtualization called Extended Page Tables (EPT) starting from Nehalem microarchitecture. Hardware support for MMU virtualization can improve performance, particularly for MMU-intensive workloads.

This paper compares performance with and without EPT on a number of industry-standard benchmarks and microbenchmarks running in an internal build of VMware ESX on Intel Xeon 5500-series (“Nehalem”) processors.


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