Plot highlighting the number of messages sent by each of the 200 PEs to the left and right neighbors with the event-triggered communication algorithm considering horizon <i>h</i> = 750 and decay <i>d</i> = 0.8.

Abstract

The number of iterations with the synchronous solver (Sync Iters in the plot legend) which is the same for all PEs is shown by the blue line for reference. In contrast, the number of iterations taken by each of the PEs in the event-triggered solver (Event Iters in the plot legend) is shown by the red asterisks. Further, the number of messages sent to the left neighbor and right neighbor (shown as Event Left Msgs and Event Right Msgs in the plot legend) by each of the PEs is shown respectively by the yellow star sign and the purple round sign. The number of messages for both the left and right neighbors for every PE are quite close. Hence the purple round signs overlap the corresponding yellow star signs for all the PEs. It is seen that the number of messages is considerably lesser than the number of iterations for any PE, thus illustrating the benefit of reduced messages in event-triggered communication.</p

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