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[C++][Parquet] Enhance ALP performance when decoding in clang #55247

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[C++][Parquet] Enhance ALP performance when decoding in clang#55247
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mapleFU
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Component: ParquetType: enhancement
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27.0.0

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@mapleFU
mapleFU
opened on Oct 25, 2026

Describe the enhancement requested

#55197 tests alp, but it's slower than expected. ALP code need being optimized.

See: https://godbolt.org/z/EPPqn7xco

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Parquet

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  1. mapleFU
    added
    Type: enhancement
    Component: Parquet
    Component: C++
    on Oct 25, 2026
  2. github-actions
    removed
    Component: C++
    on Oct 25, 2026
  3. github-actions
    assigned
    mapleFU
    on Oct 25, 2026
  4. mapleFU
    changed the title [-][C++][Parquet] Enhance ALP performance when decoding[/-] [+][C++][Parquet] Enhance ALP performance when decoding in clang[/+] on Oct 25, 2026
  5. wgtmac
    added a commit that references this issue on Oct 28, 2026

    GH-55247: [C++][Parquet] Optimize ALP Decompress in clang + x86 (#55248)

    bb6a367
  6. wgtmac
    added this to the 27.0.0 milestone on Oct 28, 2026

  7. wgtmac commented on Oct 28, 2026

    @wgtmac
    wgtmac
    on Oct 28, 2026
    Member

    Issue resolved by pull request 55248
    #55248

  8. wgtmac
    closed this as completedon Oct 28, 2026
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