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Bump github.com/parquet-go/parquet-go from 0.30.1 to 0.32.0 in /benchmarks - #433

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Bumps github.com/parquet-go/parquet-go from 0.30.1 to 0.32.0.

Release notes

Sourced from github.com/parquet-go/parquet-go's releases.

v0.32.0

Breaking changes

The format package now models thrift unions as sum types (parquet-go/parquet-go#558). If you use the format package directly:

  • format.LogicalType and format.TimeUnit no longer expose one pointer field per union member (e.g. LogicalType.UTF8, TimeUnit.Millis); they now hold a single Value field typed as the format.LogicalTypeValue / format.TimeUnitValue interface.
  • Some optional slice fields (e.g. level histograms in the column and offset indexes) changed from plain slices to thrift.Slice[T], which distinguishes unset from empty.

Code that only uses the top-level parquet package API is unaffected.

What's Changed

Bug fixes

Other changes

New Contributors

Full Changelog: parquet-go/parquet-go@v0.31.0...v0.32.0

v0.31.0

What's Changed

... (truncated)

Commits
  • 925bf65 fix(value): format doubles with 64-bit precision in Value.String() (#583)
  • da3da86 perf(merge): row-range overlap refinement (#574)
  • bd0bd83 perf(format): zero-allocation footer decoding with format.FooterDecoder (#556)
  • e9317ce fix(writer): correctly size bloom filters on row group limit (#578)
  • f28a62b fix(writer): later rowgroups can overwrite earlier page counts (#577)
  • 3e52054 perf(reconstruct): reduce allocations for wide map reconstruction (#581)
  • c215a4a perf(bounds): add AVX-512VL INT64 kernel for default-page window (#579)
  • ef5d53a Fix index out of range panic in multiColumnChunk.OffsetIndex on merged row gr...
  • fc63132 feat(variant): streaming columnar writer for variant columns (#553)
  • 988b7b9 perf(merge): bulk run emission with galloping and growable read buffers (#573)
  • Additional commits viewable in compare view

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Bumps [github.com/parquet-go/parquet-go](https://github.com/parquet-go/parquet-go) from 0.30.1 to 0.32.0.
- [Release notes](https://github.com/parquet-go/parquet-go/releases)
- [Changelog](https://github.com/parquet-go/parquet-go/blob/main/CHANGELOG.md)
- [Commits](parquet-go/parquet-go@v0.30.1...v0.32.0)

---
updated-dependencies:
- dependency-name: github.com/parquet-go/parquet-go
  dependency-version: 0.32.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file Go labels Oct 1, 2026
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Benchmark Result

Benchmark diff with base branch
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: AMD EPYC 7763 64-Core Processor                
                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │     sec/op     │    sec/op     vs base               │
SerializeNative/STEF/serialize-4                      9.966m ± 7%   7.543m ± 31%  -24.31% (p=0.009 n=6)
SerializeNative/STEFU/serialize-4                     34.68m ± 3%   33.84m ±  8%        ~ (p=0.180 n=6)
DeserializeNative/STEF/deser-4                        2.380m ± 1%   2.408m ±  1%   +1.17% (p=0.002 n=6)
DeserializeNative/STEFU/deser-4                       7.309m ± 1%   7.426m ±  0%   +1.60% (p=0.002 n=6)
SerializeFromPdata/STEF/serialize-4                   112.1m ± 7%   109.5m ±  3%   -2.39% (p=0.015 n=6)
SerializeFromPdata/STEFU/serialize-4                  35.50m ± 3%   34.74m ±  1%   -2.13% (p=0.041 n=6)
DeserializeToPdata/STEF/deserialize-4                 47.71m ± 2%   47.53m ±  1%        ~ (p=0.818 n=6)
DeserializeToPdata/STEFU/deserialize-4                64.88m ± 1%   65.83m ±  4%   +1.45% (p=0.002 n=6)
STEFReaderRead-4                                      2.455m ± 1%   2.480m ±  1%   +1.03% (p=0.009 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4         2.993 ± 9%    2.922 ±  7%        ~ (p=0.310 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4      79.62m ± 1%   82.72m ±  5%   +3.90% (p=0.002 n=6)
ReadSTEF-4                                            2.522m ± 1%   2.552m ±  2%   +1.19% (p=0.002 n=6)
ReadSTEFZ-4                                           3.219m ± 6%   3.382m ±  1%   +5.06% (p=0.041 n=6)
ReadSTEFZWriteSTEF-4                                  7.556m ± 1%   7.988m ±  4%   +5.73% (p=0.002 n=6)
geomean                                               20.70m        20.46m         -1.20%

                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │   sec/point    │  sec/point    vs base               │
SerializeNative/STEF/serialize-4                      149.0n ± 7%   112.8n ± 31%  -24.32% (p=0.009 n=6)
SerializeNative/STEFU/serialize-4                     518.7n ± 3%   506.1n ±  8%        ~ (p=0.180 n=6)
DeserializeNative/STEF/deser-4                        35.60n ± 1%   36.02n ±  1%   +1.17% (p=0.002 n=6)
DeserializeNative/STEFU/deser-4                       109.3n ± 1%   111.1n ±  0%   +1.65% (p=0.002 n=6)
SerializeFromPdata/STEF/serialize-4                   1.679µ ± 7%   1.639µ ±  3%   -2.38% (p=0.017 n=6)
SerializeFromPdata/STEFU/serialize-4                  531.5n ± 3%   520.0n ±  1%   -2.16% (p=0.048 n=6)
DeserializeToPdata/STEF/deserialize-4                 714.0n ± 2%   711.0n ±  1%        ~ (p=0.682 n=6)
DeserializeToPdata/STEFU/deserialize-4                971.0n ± 1%   985.0n ±  4%   +1.44% (p=0.004 n=6)
STEFReaderRead-4                                      36.71n ± 1%   37.09n ±  1%   +1.02% (p=0.009 n=6)
STEFSerializeMultipart/astronomy-otelmetrics-4        3.804µ ± 9%   3.714µ ±  7%        ~ (p=0.310 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4      101.2n ± 1%   105.1n ±  5%   +3.85% (p=0.002 n=6)
ReadSTEF-4                                            37.76n ± 1%   38.20n ±  2%   +1.19% (p=0.002 n=6)
ReadSTEFZ-4                                           48.18n ± 6%   50.61n ±  1%   +5.04% (p=0.041 n=6)
ReadSTEFZWriteSTEF-4                                  113.0n ± 1%   119.5n ±  4%   +5.75% (p=0.002 n=6)
geomean                                               217.8n        215.2n         -1.21%

                                                 │ bench-main.txt │            bench-new.txt             │
                                                 │      B/op      │     B/op      vs base                │
SerializeNative/STEF/serialize-4                     3.340Mi ± 0%   3.340Mi ± 0%       ~ (p=0.699 n=6)
SerializeNative/STEFU/serialize-4                    7.327Mi ± 0%   7.327Mi ± 0%       ~ (p=0.128 n=6)
DeserializeNative/STEF/deser-4                       725.8Ki ± 0%   725.8Ki ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEFU/deser-4                      1.303Mi ± 0%   1.303Mi ± 0%       ~ (p=1.000 n=6) ¹
SerializeFromPdata/STEF/serialize-4                  33.24Mi ± 0%   33.25Mi ± 0%       ~ (p=0.859 n=6)
SerializeFromPdata/STEFU/serialize-4                 7.327Mi ± 0%   7.327Mi ± 0%  +0.00% (p=0.028 n=6)
DeserializeToPdata/STEF/deserialize-4                34.61Mi ± 0%   34.61Mi ± 0%       ~ (p=0.407 n=6)
DeserializeToPdata/STEFU/deserialize-4               41.48Mi ± 0%   41.48Mi ± 0%       ~ (p=0.177 n=6)
STEFReaderRead-4                                     727.5Ki ± 0%   727.5Ki ± 0%       ~ (p=1.000 n=6) ¹
STEFSerializeMultipart/astronomy-otelmetrics-4       2.681Gi ± 0%   2.682Gi ± 0%       ~ (p=0.589 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4     20.19Mi ± 0%   20.19Mi ± 0%       ~ (p=0.848 n=6)
ReadSTEF-4                                           727.5Ki ± 0%   727.5Ki ± 0%       ~ (p=0.275 n=6)
ReadSTEFZ-4                                          10.07Mi ± 0%   10.07Mi ± 0%  -0.00% (p=0.002 n=6)
ReadSTEFZWriteSTEF-4                                 13.21Mi ± 0%   13.21Mi ± 0%       ~ (p=0.368 n=6)
geomean                                              9.163Mi        9.164Mi       +0.01%
¹ all samples are equal

                                                 │ bench-main.txt │            bench-new.txt            │
                                                 │   allocs/op    │  allocs/op   vs base                │
SerializeNative/STEF/serialize-4                      2.664k ± 1%   2.666k ± 0%       ~ (p=0.626 n=6)
SerializeNative/STEFU/serialize-4                      883.0 ± 0%    883.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEF/deser-4                         464.0 ± 0%    464.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeNative/STEFU/deser-4                        496.0 ± 0%    496.0 ± 0%       ~ (p=1.000 n=6) ¹
SerializeFromPdata/STEF/serialize-4                   134.7k ± 0%   134.7k ± 0%       ~ (p=0.424 n=6)
SerializeFromPdata/STEFU/serialize-4                   884.0 ± 0%    884.0 ± 0%       ~ (p=1.000 n=6) ¹
DeserializeToPdata/STEF/deserialize-4                 756.2k ± 0%   756.2k ± 0%       ~ (p=1.000 n=6) ¹
DeserializeToPdata/STEFU/deserialize-4                944.9k ± 0%   944.9k ± 0%       ~ (p=1.000 n=6) ¹
STEFReaderRead-4                                       464.0 ± 0%    464.0 ± 0%       ~ (p=1.000 n=6) ¹
STEFSerializeMultipart/astronomy-otelmetrics-4        13.22M ± 0%   13.22M ± 0%  -0.00% (p=0.039 n=6)
STEFDeserializeMultipart/astronomy-otelmetrics-4      7.922k ± 0%   7.921k ± 0%       ~ (p=1.000 n=6)
ReadSTEF-4                                             464.0 ± 0%    464.0 ± 0%       ~ (p=1.000 n=6) ¹
ReadSTEFZ-4                                            500.0 ± 0%    501.0 ± 0%       ~ (p=0.242 n=6)
ReadSTEFZWriteSTEF-4                                  1.229k ± 0%   1.229k ± 0%       ~ (p=1.000 n=6)
geomean                                               6.970k        6.971k       +0.02%
¹ all samples are equal
Benchmark result
benchstat bench-new.txt
goos: linux
goarch: amd64
pkg: github.com/splunk/stef/benchmarks
cpu: AMD EPYC 7763 64-Core Processor                
                                                 │ bench-new.txt │
                                                 │    sec/op     │
SerializeNative/STEF/serialize-4                    7.543m ± 31%
SerializeNative/STEFU/serialize-4                   33.84m ±  8%
DeserializeNative/STEF/deser-4                      2.408m ±  1%
DeserializeNative/STEFU/deser-4                     7.426m ±  0%
SerializeFromPdata/STEF/serialize-4                 109.5m ±  3%
SerializeFromPdata/STEFU/serialize-4                34.74m ±  1%
DeserializeToPdata/STEF/deserialize-4               47.53m ±  1%
DeserializeToPdata/STEFU/deserialize-4              65.83m ±  4%
STEFReaderRead-4                                    2.480m ±  1%
STEFSerializeMultipart/astronomy-otelmetrics-4       2.922 ±  7%
STEFDeserializeMultipart/astronomy-otelmetrics-4    82.72m ±  5%
ReadSTEF-4                                          2.552m ±  2%
ReadSTEFZ-4                                         3.382m ±  1%
ReadSTEFZWriteSTEF-4                                7.988m ±  4%
geomean                                             20.46m

                                                 │ bench-new.txt │
                                                 │   sec/point   │
SerializeNative/STEF/serialize-4                    112.8n ± 31%
SerializeNative/STEFU/serialize-4                   506.1n ±  8%
DeserializeNative/STEF/deser-4                      36.02n ±  1%
DeserializeNative/STEFU/deser-4                     111.1n ±  0%
SerializeFromPdata/STEF/serialize-4                 1.639µ ±  3%
SerializeFromPdata/STEFU/serialize-4                520.0n ±  1%
DeserializeToPdata/STEF/deserialize-4               711.0n ±  1%
DeserializeToPdata/STEFU/deserialize-4              985.0n ±  4%
STEFReaderRead-4                                    37.09n ±  1%
STEFSerializeMultipart/astronomy-otelmetrics-4      3.714µ ±  7%
STEFDeserializeMultipart/astronomy-otelmetrics-4    105.1n ±  5%
ReadSTEF-4                                          38.20n ±  2%
ReadSTEFZ-4                                         50.61n ±  1%
ReadSTEFZWriteSTEF-4                                119.5n ±  4%
geomean                                             215.2n

                                                 │ bench-new.txt │
                                                 │     B/op      │
SerializeNative/STEF/serialize-4                    3.340Mi ± 0%
SerializeNative/STEFU/serialize-4                   7.327Mi ± 0%
DeserializeNative/STEF/deser-4                      725.8Ki ± 0%
DeserializeNative/STEFU/deser-4                     1.303Mi ± 0%
SerializeFromPdata/STEF/serialize-4                 33.25Mi ± 0%
SerializeFromPdata/STEFU/serialize-4                7.327Mi ± 0%
DeserializeToPdata/STEF/deserialize-4               34.61Mi ± 0%
DeserializeToPdata/STEFU/deserialize-4              41.48Mi ± 0%
STEFReaderRead-4                                    727.5Ki ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4      2.682Gi ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4    20.19Mi ± 0%
ReadSTEF-4                                          727.5Ki ± 0%
ReadSTEFZ-4                                         10.07Mi ± 0%
ReadSTEFZWriteSTEF-4                                13.21Mi ± 0%
geomean                                             9.164Mi

                                                 │ bench-new.txt │
                                                 │   allocs/op   │
SerializeNative/STEF/serialize-4                     2.666k ± 0%
SerializeNative/STEFU/serialize-4                     883.0 ± 0%
DeserializeNative/STEF/deser-4                        464.0 ± 0%
DeserializeNative/STEFU/deser-4                       496.0 ± 0%
SerializeFromPdata/STEF/serialize-4                  134.7k ± 0%
SerializeFromPdata/STEFU/serialize-4                  884.0 ± 0%
DeserializeToPdata/STEF/deserialize-4                756.2k ± 0%
DeserializeToPdata/STEFU/deserialize-4               944.9k ± 0%
STEFReaderRead-4                                      464.0 ± 0%
STEFSerializeMultipart/astronomy-otelmetrics-4       13.22M ± 0%
STEFDeserializeMultipart/astronomy-otelmetrics-4     7.921k ± 0%
ReadSTEF-4                                            464.0 ± 0%
ReadSTEFZ-4                                           501.0 ± 0%
ReadSTEFZWriteSTEF-4                                 1.229k ± 0%
geomean                                              6.971k

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