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Performance Aspects of x86 Virtualization

Created on: Sep 11, 2007 12:00 AM by VMworld Team - Last Modified:  Jul 23, 2009 2:17 PM by VMworld Team

ID: TA68 (VMworld 2007)
Session: Performance Aspects of x86 Virtualization
Presenter: VMware

The uniformity of the x86 virtualization landscape of four years ago, when all CPUs were 32 bit and when binary translation was the only viable implementation technology, has now disappeared.
Today, the space is complex and irregular:

    • AMD's and Intel's 64 bit architectures differ crucially in their ability to support a binary translation.
    • Hardware support for virtualization has been added in both the 32 and 64 bit x86 domains, but AMD's design (AMD-V) differs from Intel's design (Intel-VT).
    • Three generations of hardware design are emerging: instructions, memory and I/O.
We'll analyze the new landscape with a focus on performance. The aim is to give the audience knowledge to allow analysis of performance results from across a variety of workloads and hardware. This same knowledge should permit programmers to write performant code for virtual environments.
  • Hardware is 32 or 64 bit.



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