Utility class for Blocks Framework related counters
Block execution logic on master, iterating over Pieces of the application Block, executing master logic, and providing what needs to be executed on the workers.
Class tracking invocation count and elapsed time for a set of events, each event being having a String name.
Block execution logic on WorkerContext.
Block execution logic on workers.
Pair of pieces to be executed on workers in a superstep
Object holding piece with it's corresponding execution stage.
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