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I have a number of things I'd like to keep improving for SMJ, particularly because DataFusion Comet still relies on it heavily for larger-than-memory joins.
I have a number of things I'd like to keep improving for SMJ, particularly because DataFusion Comet still relies on it heavily for larger-than-memory joins.
DynComparatorwhere appropriate to reduce per-row type matching perf: use DynComparator in sort-merge join (SMJ), microbenchmark queries up to 12% faster, TPC-H overall ~5% faster #21484