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Dijkstra-Scholten and Shavit-Francez termination algorithms

Dijkstra-Scholten and Shavit-Francez termination algorithms. Index : Introduction Experimental Setup Result Analysis Conclusion Future Work. Introduction. Dijkstra-Scholten algorithm detects the termination of a centralized basic computation.

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Dijkstra-Scholten and Shavit-Francez termination algorithms

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  1. Dijkstra-Scholten and Shavit-Francez termination algorithms

  2. Index : • Introduction • Experimental Setup • Result Analysis • Conclusion • Future Work

  3. Introduction • Dijkstra-Scholten algorithm detects the termination of a centralized basic computation. • Shavit-Francez generalized Dijkstra – Scholten to decentralized basic computations (multiple initiators) • In this algorithm, each initiator maintains a computation tree similar to Dijkstra-Scholten and when the computation tree collapses it may participate in the computation tree of other initiators. • All processes participate in Wave to detect the termination of computation.

  4. Experimental Setup • Echo algorithm runs on the top of basic algorithm. • Each node participate in computation at least once. • Algorithm terminates when Echo algorithm decides. • Total number of messages (basic + control) exchanged in the algorithm are counted.

  5. Result Analysis :Only one process participate in computation as initiator

  6. Result Analysis :50% of process participate in computation as initiators

  7. Result Analysis :All process participate in computation as initiators

  8. Conclusion • Observed behavior of Shavit-Francez termination algorithm for different topologies.

  9. Future Work • Perform the same analysis for various wave algorithms. • To observe performance of algorithm when random nodes participate in computation.

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