Run-time Support for Distributed Sharing in Typed Languages

We present a new run-time system, DOSA, that efficiently implements a shared object space abstraction underneath a typed programming language. The key insight behind DOSA is that the ability to unambiguously distinguish pointers from data at run-time enables efficient fine-grained sharing using VM support. Like earlier systems designed for fine-grained sharing, DOSA improves the performance of fine-grained applications by eliminating false sharing. In contrast to these earlier systems, DOSA's VM-based approach and read aggregation enable it to match a page-based system on coarse-grained applications. Furthermore, its architecture permits optimizations that are not possible in conventional fine-grained or coarse-grained DSM systems.


Presented at:
Proceedings of Languages, Compilers, and Runtimes for Scalable Computing, NY, USA, May 2000
Year:
2000
Laboratories:




 Record created 2005-10-20, last modified 2018-03-17

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