All pull requests

Pull requests

• Allow dynamic group by

  CMakelibcudf
  #24266·scanhex12 opened Sep 22, 2026·

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  4

  

• Decide the ORC timestamp borrow in the writer's timezone

  bugJavalibcudfnon-breaking
  #24265·vuule opened Sep 22, 2026·

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  1

  2

  

• Add preserve-only Parquet dictionary output with decimal support

  CMakelibcudf
  #24264·a-hirota opened Sep 22, 2026·

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  1

  

• bench(parquet): sweep flat nullable page decode to 90% nulls

  improvementlibcudfnon-breaking
  #24263·vyasr opened Sep 22, 2026·

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  3

  

• Add a skill for libcudf compilation and binary-size optimization

  ai-agentsfeature requestnon-breaking
  #24262·PointKernel opened Sep 22, 2026·

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  1

  

• Prototype prepared non-chunked pack API with compression

  CMakelibcudf
  #24261·vuule opened Sep 22, 2026·

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  1

  

• Avoid broadcast joins based on incomplete empty samples

  3 - Ready for Reviewcudf-polarsimprovementnon-breakingPython
  #24260·pentschev opened Sep 22, 2026·

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  1

  

• refactor(hash-join): centralize HashCSR kernel instantiations

  CMakelibcudf
  #24258·vyasr opened Sep 22, 2026·

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  1

  

• [MLIR] MLIRString data model and len operator

  feature requestnon-breakingnumbaPython
  #24256·brandon-b-miller opened Sep 22, 2026·

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  8

  

• test(parquet): cover more delta block geometries and the all-null case

  improvementlibcudfnon-breakingtests
  #24252·vyasr opened Sep 22, 2026·

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  3

  

• Remove the sort-based groupby backend

  CMakelibcudfPython
  #24251·PointKernel opened Sep 22, 2026·

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  1

  

• Fix parquet encoding benchmark silently ignoring the encoding request on string columns

  improvementlibcudfnon-breaking
  #24248·vyasr opened Sep 21, 2026·

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  3

  

• Count rows of in-memory frames in cudf-polars without materializing them

  cudf-polarsPython
  #24246·roma5087 opened Sep 21, 2026·

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  4

  

• Add agent-friendly documentation output

  #24242·jacobtomlinson opened Sep 21, 2026·

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  8

  

• Add pylibcudf bindings to OO hash join

  improvementnon-breakingpylibcudfPython
  #24241·wence- opened Sep 21, 2026·

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  8

  

• csv reader: fix num_rows clamp when every row is skipped

  buglibcudfnon-breaking
  #24239·rootkiller6788 opened Sep 21, 2026·

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  1

  5

  

• Remove invalid CUDF_HOST_DEVICE annotations from constexpr variables

  buglibcudfnon-breaking
  #24237·bdice opened Sep 20, 2026·

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  1

  2

  

• Support outer null checks for Array columns in cudf-polars

  cudf-polarsPython
  #24236·0guban0v opened Sep 19, 2026·

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  1

  6

  

• Reduce HashCSR hash join peak memory usage

  improvementlibcudfnon-breaking
  #24231·PointKernel opened Sep 18, 2026·

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  1

  9

  

• Fix Ray shutdown when rank actors are busy

  3 - Ready for Reviewbugcudf-polarsnon-breakingPython
  #24230·pentschev opened Sep 18, 2026·

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  18

  

• Fix single-character tokens in vocabulary tokenization

  3 - Ready for Reviewbuglibcudfnon-breaking
  #24227·fallintoplace opened Sep 18, 2026·

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  5

  

• Fix falsy Grouper key and level handling

  bugnon-breakingPython
  #24225·fallintoplace opened Sep 18, 2026·

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  3

  

• Support PEP 515 underscores in string-to-float astype

  improvementnon-breakingPython
  #24224·fallintoplace opened Sep 18, 2026·

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  3

  

• Preserve CUDA Array Interface stream in gpumemoryview slices

  pylibcudfPython
  #24223·fallintoplace opened Sep 18, 2026·

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  7

  

• Coalesce dense-null zero fill in Parquet decode

  cuIOimprovementlibcudfnon-breakingPerformance
  #24221·vyasr opened Sep 18, 2026·

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  13