DOYUNG YOON created S2GRAPH-66:
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Summary: Optimize toEdge, IndexEdgeDeserializable using mutable
Map.
Key: S2GRAPH-66
URL: https://issues.apache.org/jira/browse/S2GRAPH-66
Project: S2Graph
Issue Type: Improvement
Reporter: DOYUNG YOON
Assignee: DOYUNG YOON
since {{Storage#toEdge}} is called lots of times(# of edges query traverse), I
think it is worth to optimize futher.
based on profile, we can notice that List#toMap and List#++ on two list takes
many cpu time on toEdge(actually {{IndexEdgeDeserializable#fromKeyValues}}).
we can avoid List#toMap and List#++ by using MapBuilder and give up functional
style here.
I think code looks ugly(maybe not), but we can remove unnecessary cpu usage.
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