ColumnVector: optimize UInt8 index with AVX512VBMI#41247
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nickitat merged 8 commits intoClickHouse:masterfrom Sep 22, 2022
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ColumnVector: optimize UInt8 index with AVX512VBMI#41247nickitat merged 8 commits intoClickHouse:masterfrom
nickitat merged 8 commits intoClickHouse:masterfrom
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This reverts commit 8de524c.
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Revert "ColumnVector: optimize UInt8 index with AVX512VBMI (#41247)"
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…ith AVX512VBMI (#41247)"
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…ith AVX512VBMI (#41247)"
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…ith AVX512VBMI (#41247)"
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
ColumnVector: optimize UInt8 index with AVX512VBMI
The patch set can have about 5% performance gain in SSB (SF=100) query
3.3,3.4(tested on Icelake: Xeon 8380 * 2 socket).