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Add remaining NDS-H queries to libcudf with CI validation - #23624

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Add remaining NDS-H queries to libcudf with CI validation#23624
bdice wants to merge 15 commits into
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@bdice

@bdice bdice commented Aug 12, 2026

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Description

This PR adds all the missing NDS-H queries to libcudf, and adds CI validation scripts that run at SF 1 and compare to duckdb results.

I checked the validation against duckdb at SF 0.01, 0.1, 1, 10, 20, and 30 on DGX Spark.

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  • I am familiar with the Contributing Guidelines.
  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

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@github-actions github-actions Bot added libcudf Affects libcudf (C++/CUDA) code. CMake CMake build issue labels Aug 12, 2026
@bdice bdice added feature request New feature or request non-breaking Non-breaking change labels Aug 12, 2026
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CMake CMake build issue feature request New feature or request libcudf Affects libcudf (C++/CUDA) code. non-breaking Non-breaking change

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[FEA] Add remaining NDS-H queries

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