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Add xxh3 hash function #43411

Merged
merged 6 commits into from
Nov 25, 2022
Merged

Add xxh3 hash function #43411

merged 6 commits into from
Nov 25, 2022

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nickitat
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@nickitat nickitat commented Nov 20, 2022

Changelog category (leave one):

  • New Feature

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

New hash function xxh3 added. Also performance of xxHash32 and xxHash64 improved on arm thanks to library update.

@nickitat nickitat changed the title Add xxh3 hash function Add xxh3 hash function Nov 20, 2022
@robot-ch-test-poll2 robot-ch-test-poll2 added pr-feature Pull request with new product feature submodule changed At least one submodule changed in this PR. labels Nov 20, 2022
@@ -290,3 +290,6 @@
[submodule "contrib/morton-nd"]
path = contrib/morton-nd
url = https://github.com/morton-nd/morton-nd
[submodule "contrib/xxHash"]
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Just in case - isn't it included in zstd?

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it is, but in the same way as lz4: zstd contains a snapshot of these files of some undetermined version in the past. I think it is better to use the actual lib

@novikd novikd self-assigned this Nov 21, 2022
@nickitat nickitat marked this pull request as ready for review November 24, 2022 12:57
@nickitat nickitat merged commit d1c258c into ClickHouse:master Nov 25, 2022
@nickitat nickitat added the pr-performance Pull request with some performance improvements label Nov 25, 2022
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4 participants