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Slightly improve performance of aggregation by UInt8/UInt16 keys, part 5 - #13096

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alexey-milovidov wants to merge 8 commits into
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fixed-hash-map-implicit-zero-5
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Slightly improve performance of aggregation by UInt8/UInt16 keys, part 5#13096
alexey-milovidov wants to merge 8 commits into
masterfrom
fixed-hash-map-implicit-zero-5

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@alexey-milovidov

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Changelog category (leave one):

  • Performance Improvement

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Slightly improve performance of aggregation by UInt8/UInt16 keys.

Detailed description / Documentation draft:
Includes #13056 and #13055 and #13084 and #13091 + loop unrolling + test.

@robot-clickhouse robot-clickhouse added the pr-performance Pull request with some performance improvements label Jul 29, 2020
@alexey-milovidov
alexey-milovidov force-pushed the fixed-hash-map-implicit-zero-5 branch from 0127bff to 89e1a07 Compare August 1, 2020 22:15
@alexey-milovidov
alexey-milovidov force-pushed the fixed-hash-map-implicit-zero-5 branch from 6df4777 to a231126 Compare August 3, 2020 22:38
@alexey-milovidov

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Query Fuzzer: #13342

@alexey-milovidov

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pr-performance Pull request with some performance improvements

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