[SPARK-40175][SQL]Speed up conversion of Tuple2 to Scala Map #37608
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What changes were proposed in this pull request?
Traversable.toMapchanged tocollections.breakOut, that eliminates intermediate tuple collection creation.I optimized it with reference to this pr:#18693
An introduction to
Collections. BreakOutcan be found at Stack Overflow article.Why are the changes needed?
When


DeserializeToObjectis executed, converting Tuple2 to Scala Map via. ToMaptakes a lot of cpu time.How was this patch tested?
Unit tests run.
No performance tests performed yet.