vBlades: optimized paravirtualization for the Itanium processor family

  • Authors:
  • Daniel J. Magenheimer;Thomas W. Christian

  • Affiliations:
  • Hewlett-Packard Laboratories;Hewlett-Packard Laboratories

  • Venue:
  • VM'04 Proceedings of the 3rd conference on Virtual Machine Research And Technology Symposium - Volume 3
  • Year:
  • 2004

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Abstract

Virtualization of an "uncooperative" architecture often has severe performance consequences. Paravirtualization has recently been suggested as a solution to performance issues, but it introduces unacceptable supportability problems. The HP Labs vBlades project has identified a novel hybrid approach - which we call optimized paravirtualization. We examine methods for both virtualizing and paravirtualizing the Itanium processor, and then demonstrate optimized paravirtualization to maximize performance while simultaneously minimizing supportability concerns.