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Prototype separate pruning, filter, and projection scan splits - #9661

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mk/filter-projection-splits-prototype
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Prototype separate pruning, filter, and projection scan splits#9661
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mk/filter-projection-splits-prototype

separate pruning, filter, and projection splits

4182f55
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 27, 2026

8 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

⚡ 14 improved benchmarks
❌ 8 regressed benchmarks
✅ 2108 untouched benchmarks
🆕 13 new benchmarks
⏩ 106 skipped benchmarks1
🗄️ 4 archived benchmarks run2

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation cached_indices_i32[0.01] 37.6 µs 51.5 µs -26.98%
❌ Simulation random_i256[0.01] 44.9 µs 56.1 µs -19.87%
❌ Simulation cached_indices_i32[0.1] 54.9 µs 66.6 µs -17.6%
❌ Simulation random_i16[0.95] 66.1 µs 77.6 µs -14.78%
❌ WallTime mul_u32_nonnull_avx512 5.6 µs 6.4 µs -12.68%
❌ WallTime mul_i8_nonnull_avx2 11.2 µs 12.9 µs -12.63%
❌ Simulation cached_indices_i128[0.1] 68.3 µs 77.8 µs -12.21%
❌ Simulation cold_misaligned[(16, 64)] 347.6 µs 392.4 µs -11.42%
⚡ Simulation patterns_i128[Contiguous] 141.6 µs 35.1 µs ×4
⚡ Simulation random_i64[0.8] 217.2 µs 118.1 µs +83.94%
⚡ Simulation random_i128[0.8] 267 µs 171.6 µs +55.61%
⚡ Simulation patterns_i128[Runs] 149 µs 107.6 µs +38.42%
⚡ Simulation random_i256[0.8] 368 µs 273.5 µs +34.55%
⚡ Simulation random_i256[0.5] 232.8 µs 192.7 µs +20.82%
⚡ WallTime arrow_checked_add_u32_avx2[16384] 21.3 µs 17.7 µs +20.32%
⚡ Simulation random_i16[0.5] 68.8 µs 57.8 µs +19.13%
⚡ Simulation patterns_i128[Random] 172.4 µs 145.4 µs +18.52%
⚡ Simulation random_i128[0.5] 172 µs 146.1 µs +17.74%
⚡ Simulation random_i8[0.95] 58.1 µs 51 µs +14.1%
⚡ Simulation random_i64[0.5] 130.8 µs 116.3 µs +12.45%
... ... ... ... ... ...

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/filter-projection-splits-prototype (4182f55) with develop (59a056d)3

Open in CodSpeed

Footnotes

  1. 106 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. 4 benchmarks were run, but are now archived. If they were deleted in another branch, consider rebasing to remove them from the report. Instead if they were added back, click here to restore them. ↩

  3. No successful run was found on develop (d0a59fe) during the generation of this report, so 59a056d was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

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