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Program dependence graph

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A Program Dependence Graph (PDG) is a directed graph of a program's control and data dependencies. Nodes represent program statements and edges represent dependencies between these statements.

PDGs are used in optimization, debugging, and understanding program behavior. These dependencies are used during dependence analysis stage of optimizing compilation to make transformations to allow for parallelism.^[1]

See also

Dependency graph

References

^ 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. 9 (3): 319–349. CiteSeerX 10.1.1.101.27. doi:10.1145/24039.24041. S2CID 505075.

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