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Support wide decimals in DecimalBytePartsArray and kernels - #9809

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mk/dbp-array
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Support wide decimals in DecimalBytePartsArray and kernels#9809
mhk197 wants to merge 9 commits into
mk/dbp-v2-featurefrom
mk/dbp-array

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18b8b99
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CodSpeed HQ / CodSpeed Performance Analysis failed Sep 11, 2026 in 0s

2 benchmarks regressed

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 4 improved benchmarks
❌ 2 regressed benchmarks
✅ 2223 untouched benchmarks
🆕 72 new benchmarks
⏩ 204 skipped benchmarks1
🗄️ 1 archived benchmark run2

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation decompress[datetime_for_bp] 160.3 µs 193.9 µs -17.32%
WallTime filtered_owned_i64_avx512[OneNullInEight] 22.4 µs 26.3 µs -15.02%
Simulation decompress[u64, (4000, 1024)] 86.3 µs 71.5 µs +20.7%
Simulation allocate_drop_arrow[0] 456.9 ns 402.7 ns +13.45%
Simulation chunked_bool_canonical_into[(1000, 10)] 30.7 µs 27.2 µs +12.9%
Simulation allocate_drop_bytes[0] 575.7 ns 521.6 ns +10.39%
🆕 WallTime dbp_assemble_neon[(I128, 1024)] N/A 605 ns N/A
🆕 WallTime dbp_assemble_neon[(I128, 8192)] N/A 3.7 µs N/A
🆕 WallTime dbp_assemble_neon[(I256, 1024)] N/A 2.1 µs N/A
🆕 WallTime dbp_assemble_neon[(I256, 8192)] N/A 15 µs N/A
🆕 WallTime dbp_assemble_neon[(I64, 1024)] N/A 108 ns N/A
🆕 WallTime dbp_assemble_neon[(I64, 8192)] N/A 111 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I128, 1024)] N/A 246 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I128, 8192)] N/A 251 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I256, 1024)] N/A 254 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I256, 8192)] N/A 257 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I64, 1024)] N/A 271 ns N/A
🆕 WallTime dbp_split_all_null_neon[(I64, 8192)] N/A 287 ns N/A
🆕 WallTime dbp_split_all_valid_neon[(I128, 1024)] N/A 767 ns N/A
🆕 WallTime dbp_split_all_valid_neon[(I128, 8192)] N/A 4.2 µs N/A
... ... ... ... ... ...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing mk/dbp-array (18b8b99) with mk/dbp-v2-feature (4edb7aa)

Open in CodSpeed

Footnotes

  1. 204 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.

  2. 1 benchmark was run, but is now archived. If it was deleted in another branch, consider rebasing to remove it from the report. Instead if it was added back, click here to restore it.