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Optimizing workflow engines

  • US 8,510,751 B2
  • Filed: 03/18/2010
  • Issued: 08/13/2013
  • Est. Priority Date: 03/18/2010
  • Status: Active Grant
First Claim
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1. A computer program product comprising a tangible computer readable recordable storage memory including computer useable program code for implementing a workflow, the computer program product including:

  • computer useable program code for merging a workflow to create a virtual graph, wherein the workflow comprises two or more directed acyclic graphs (DAGs), wherein said merging comprises;

    applying a label to each node of the two or more directed acyclic graphs, wherein nodes representing a same computation in each directed acyclic graph have a same label applied thereto;

    assigning each node in the two or more directed acyclic graphs with a unique label to a unique node in the virtual graph; and

    assigning each node in the two or more directed acyclic graphs that shares the same label with one or more additional nodes are assigned to a same node in the virtual graph;

    computer useable program code for mapping each of one or more nodes of the virtual graph to one or more physical nodes; and

    computer useable program code for using a message passing scheme to implement a computation via the one or more physical nodes.

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