'Pairs shortest path' diaporamas de présentation

Chapter 6

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Parallel Graph Algorithms

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Presented by: Don Eagan Chintan Patel www-users.cs.umn/~cpatel/8715.html

Scalable Network Distance Browsing in Spatial Database Samet, H., Sankaranarayanan, J., and Alborzi H . Proceedings of the 2008 ACM SIGMOD international Conference on Management of Data. Presented by: Don Eagan Chintan Patel http://www-users.cs.umn.edu/~cpatel/8715.html. Outline.

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Speculative N-Way Barriers

Speculative N-Way Barriers. Lukasz Ziarek, Suresh Jagannathan Purdue University Mathew Fluet, Umut Acar TTI Chicago. Speculation. Performance Tool for better utilization of multi-core processors Highly constrained Short lived Isolated Few side effects, if any Rarely formalized

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Reachability as Transitive Closure

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Parallel All-Pairs Shortest Path

Parallel All-Pairs Shortest Path.

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All-Pairs Shortest Path

All-Pairs Shortest Path. 11-17-2003. Opening Discussion. Do you have any questions about the quiz? Have you thought more about the single-source shortest path problem and how you might improve on the Bellman-Ford algorithm? How did that algorithm work?

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All Pairs Shortest Path

All Pairs Shortest Path. Find shortest paths of every pair of vertices Simple Solution Run Dijkstra or Bellman-Ford |V| time, for each starting vertex Has |V| copy of dist[] , each for each starting point. Divide and Conquer Version.

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