| Katramatos et al. Cross-operating system process migration on a massively parallel processor. Submitted to Supercomputing '97, 1997. |
....of portals. The Linux version will allow us to continue work in which we dynamically create partitions with desired OS functionality performance trade offs. We have a project with Steve Chapin at UVA to examine how applications can migrate from one OS to another as their functionality needs evolve [15]. We are actively examining both disk I O and external networking. We are using the power of portals to allow parallel I O operations involving thousands of compute nodes to be properly marshaled to tens of I O nodes. The marshaling not only can minimize flow control overhead it can be used to ....
Katramatos et al. Cross-operating system process migration on a massively parallel processor. Submitted to Supercomputing '97, 1997.
....in scaling a system to thousands of nodes. The entire design of the lightweight kernel for the TFLOPS machine was built on this low latency, high performance, predictable message passing layer. An implementation of portals in Linux was already under development as part of the Unified Kernel[12] project in which Linux was being run on nodes of the TFLOPS machine. However, this implementation of portals was designed to run over Ethernet rather than Myrinet. Several choices for low level message passing layers on top of Myrinet were available from commercial vendors as well as research ....
D. Katramatos, S. Chapin, P. Hillman, L. A. Fisk, and D. van Dresser. Cross-Operating System Process Migration on a Massively Parallel Processor. Technical report, University of Virginia, January 1997.
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