The LINPACK Benchmark: An Explanation
Proceedings of the 1st International Conference on Supercomputing
Operating system issues for petascale systems
ACM SIGOPS Operating Systems Review
Accelerating two-dimensional page walks for virtualized systems
Proceedings of the 13th international conference on Architectural support for programming languages and operating systems
Performance and Scalability Evaluation of 'Big Memory' on Blue Gene Linux
International Journal of High Performance Computing Applications
A light-weight virtual machine monitor for Blue Gene/P
Proceedings of the 1st International Workshop on Runtime and Operating Systems for Supercomputers
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Modified variants of Linux are likely to be the underlying operating systems (OSs) for future exascale platforms. Despite the many advantages of this approach, a subset of applications exist in which a lightweight kernel (LWK)-based OS is needed and/or preferred. We contend that virtualization is capable of supporting LWKs as virtual machines (VMs) running at scale on top of a Linux environment. Furthermore, we claim that a properly designed virtual machine monitor (VMM) can provide an isolated and independent environment that avoids the overheads of the Linux host OS. To validate the feasibility of this approach we demonstrate that given a Linux host OS, benchmarks running in a virtualized LWK environment are capable of outperforming the same benchmarks executed directly on the Linux host.