'Tree contraction' diaporamas de présentation

Parallel Graph Algorithms

Parallel Graph Algorithms. Kamesh Madduri KMadduri@lbl.gov Lawrence Berkeley National Laboratory. CS267, Spring 2011 April 7, 2011. Lecture Outline. Applications Designing parallel graph algorithms, performance on current systems

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Parallel Processing

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Rooting a tree

Rooting a tree. For doing any tree computation, we need to know the parent p ( v ) for each node v . Hence, we need to root the tree at a vertex r . We first construct an Euler tour and for the vertex r , set s (< u d -1 , r >) = 0 . u d -1 is the last vertex adjacent to r .

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