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This change improves performance by hoisting a maxDistFromNode() call out of an inner loop, which caused a 90x gain. The remaining speedups were due to precomputing buildAssocDict(), and using a set() to track visited nodes during a depth-first search. This change also cleans up object protocol methods on Node and Seg, to improve readability while offering modest performance gains.
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This change improves performance by hoisting a maxDistFromNode() call out of an inner loop, which caused a 90x gain. The remaining speedups were due to precomputing buildAssocDict(), and using a set() to track visited nodes during a depth-first search. This change also cleans up object protocol methods on Node and Seg, to improve readability while offering modest performance gains.