Improve function to identify if an all-gather should be marked as must-recompute #186
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…t-recompute Instead of marking all all-gather nodes as must-recompute, we now only mark those that can be arbitrarily prefetched, i.e., for which all its recursive inputs are single-input operators and that leads to a graph input.
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Instead of marking all all-gather nodes as must-recompute, we now only mark those that can be arbitrarily prefetched, i.e., for which all its recursive inputs are single-input operators and that leads to a graph input.