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A JVM for the Barrelfish Operating System

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Barrelfish is a research operating system based on the Multikernel model, an OS structure that treats heterogeneous multi-core systems as a network of independent nodes communicating via message-passing. Arguably, such a system can benefit from high-level programming models such as the Java Virtual Machine, since they can provide a single-system image and facilitate migration of threads between cores, making the system easier to program. This work investigates the core challenges of this approach by bringing up a JVM on Barrelfish. We compare two different implementations, one based on shared memory, the other on message passing (enabling it to run on non-cache coherent systems).

This is a practice talk for work being presented at the 2nd workshop on Systems for Future Multi-core Architectures (SFMA’12) at EuroSys 2012.

Bio: Martin Maas is a first-year PhD student at the University of California, Berkeley. He completed his B.A. at the Computer Lab in 2011.

This talk is part of the Computer Laboratory Systems Research Group Seminar series.

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