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Typically when a PE requests an address in a neighborhood on a foreign PE, it occurs in the context of range based iteration and the entire neighborhood is about to be iterated over. So it may make more sense to fetch the entire neighborhood in one go rather than making a shmem_get call for every neighbor.

The size of graphs this suite is capable of processing is still limited by the non-partitioned bitmaps used by BC and BFS.

When run on USA Road graph, BC produces NaN values for certain scores. Best guess is that this is the result of precision issues when typecasting between floats and doubles.

This code leaks like a sieve. The shmem allocations need to be matched with shmem frees.