Dandandan opened a new pull request #8804:
URL: https://github.com/apache/arrow/pull/8804
Hashing takes up some more time in the hash joins and is visible in
profiling (about 1.31% of total instructions)
This also upgrades to ahash 0.6, this takes automatically advantage of
specialization on smaller keys.
Seems to have a small win on tpch benchmark query 12: ~50-100ms on my
machine.
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