Comments (2)
A quick glance finds that scircuit.mtx contains negative weights. Are you intending to solve SSSP in such a case? If not, using other benchmark matrices may help.
To handle negative weights will require some modification to the gapbs codebase. Typically, priority-based algorithms like delta-stepping as done by gapbs (or Dijkstra) struggle with negative weights. To even be solvable with negative weights, the negative weights can not form cycles of total path-length that is negative.
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Thank you very much. That helps ๐
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Related Issues (20)
- running on server with 32GB of RAM HOT 2
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