Advances in Computer Systems Architecture

Volume 3189 of the series Lecture Notes in Computer Science pp 1-1

Some Real Observations on Virtual Machines

  • James E. SmithAffiliated withDepartment of Electrical and Computing Engineering, University of Wisconsin-Madison

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Virtual machines can enhance computer systems in a number of ways, including improved security, flexibility, fault tolerance, power efficiency, and performance. Virtualization can be done at the system level and the process level. Virtual machines can support high level languages as in Java, or can be implemented using a low level co-designed paradigm as in the Transmeta Crusoe. This talk will survey the spectrum of virtual machines and discuss important design problems and research issues. Special attention will be given to co-designed VMs and their application to performance- and power-efficient microprocessor design.