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The specific demands of high-performance computing (HPC) often mismatch the assumptions and algorithms provided by legacy operating systems (OS) for common workload mixes. While feature- and application-rich OSes allow for flexible and low-cost hardware configurations, rapid development, and flexible testing and debugging, the mismatch comes at the cost of --- oftentimes significant --- performance degradation for HPC applications.The ubiquitous availability of virtualization support in all relevant hardware architectures enables new programming and execution models for HPC applications without loosing the comfort and support of existing OS and application environments. In this paper we discuss the trends, motivations, and issues in hardware virtualization with emphasis on their value in HPC environments.
Mergen et al. (Sat,) studied this question.