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A asychronous pipelined graph executor.

A producer-consumer model based asychronous graph executor that targets at parallelsim at:

  • Per node level: Different nodes inside the same run can execute concurrently.
  • Per run level: Different nodes inside the different runs can execute concurrently.

Example:

       -> B (2s)
A (1s) -> C (3s) -> E (5s)
       -> D (4s)

For 10 executions:

  • Full sequantial:
    • Requires (1 + 2 + 3 + 4 + 5 ) * 10 = 150s
  • Asynchronous parallel execution inside same run:
    • Requires (1 + max(2, 3, 4) + 5) * 10 = 100s
  • Asynchronous parallel execution across different runs:
    • Requires (1 + max(2, 3, 4) + 5) + max(1, 2, 3, 4, 5) * 9 = 55s