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Program dependence graph

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A Program Dependence Graph (PDG) in computer science is a representation, using graph notation that makes data dependencies and control dependencies explicit.^[1] These dependencies are used during dependence analysis in optimizing compilers to make transformations so that multiple cores are used, and parallelism is improved.

see: dependency graph

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^ Jeanne Ferrante; Ottenstein, Karl J.; Warren, Joe D. (July 1987). "The Program Dependence Graph and its Use in Optimization" (PDF). ACM Transactions on Programming Languages and Systems (TOPLAS). 9 (3). ACM: 319–349. doi:10.1145/24039.24041.

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