Data diffusion machine

Data diffusion machine (DDM) is a historical virtual shared memory architecture where data is free to migrate through the machine.

Shared memory machines are convenient for programming but do not scale beyond tens of processors. The DDM overcomes this problem by providing a virtual memory abstraction on top of a distributed memory machine. A DDM appears to the user as a conventional shared memory machine but is implemented using a distributed memory architecture.[1][2][3]

Data diffusion machines were under active research in the late 1980s and early 1990s, but the research has ceased since then.[citation needed]

References

  1. ^ David H. D. Warren and Seif Haridi, The Data Diffusion Machine – A Scalable Shared Virtual Memory Multiprocessor. In Proceedings of the 1988 International Conference on Fifth Generation Computer Systems. Tokyo, Japan, pp 943–952, December 1988.
  2. ^ E. Hagersten, A. Landin, and S. Haridi. DDM – A Cache-only Memory Architecture. IEEE Computer, September 1992. http://portal.acm.org/citation.cfm?id=141718
  3. ^ Henk L. Muller, Paul W.A. Stallard, David H.D. Warren, "Implementing the Data Diffusion Machine using Crossbar Routers," Parallel Processing Symposium, International, p. 152, 10th International Parallel Processing Symposium (IPPS '96), 1996. http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.48.2301
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