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Move generic SIMD filtering to vortex-buffer - #10930

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rk/buffer-filter
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rk/buffer-filter

Inline per-word filter closures into large callers

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CodSpeed / CodSpeed Performance Analysis failed Oct 28, 2026 in 0s

Performance Regression: -8.04%

3 warnings

⚠️ Walltime results may be unreliable

Some benchmarks used the Walltime instrument outside CodSpeed Macro Runners, which can make the results inconsistent.

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⚠️ 3 benchmarks are dominated by system calls

System calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.

Learn more about system calls

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⚠️ Base and head ran on different runner types

Some benchmarks with significant performance changes were compared across different runner types, so the changes might not come from the code. Run base and head on the same runner type, or use CodSpeed Macro Runners for more stable results.

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⚡ 10 improved benchmarks
❌ 7 regressed benchmarks
✅ 2253 untouched benchmarks
⏩ 370 skipped benchmarks1
🗄️ 30 archived benchmarks run2

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ CPU Simulation filter_powerlaw_by_random[10000] 531.1 ns 1,179.2 ns -54.96%
❌ Walltime mul_u64_nonnull_neon 20.5 µs 39.7 µs -48.4%
❌ CPU Simulation random_i8[0.01] 98.8 µs 147.2 µs -32.89%
❌ CPU Simulation filter_list_primitive_wide[EdgeSpanning] 829.2 µs 1,185.2 µs -30.04%
❌ CPU Simulation filter_list_primitive_wide[Repeated] 1.9 ms 2.3 ms -16.17%
❌ CPU Simulation take_filter_primitive_small_uncached_random_mask_random_indices[4096, 10] 19.9 µs 23.4 µs -15.11%
❌ Walltime starts_with_avx2[8, VarBinView] 73 µs 85.5 µs -14.67%
⚡ CPU Simulation bench_compare_varbin[(50000, 2)] 162.8 µs 133.2 µs +22.22%
⚡ CPU Simulation bench_compare_varbin[(50000, 64)] 164.5 µs 134.9 µs +21.93%
⚡ CPU Simulation bench_compare_sliced_dict_varbinview[(7500, 10000)] 228.7 µs 200.7 µs +13.97%
⚡ CPU Simulation bench_compare_sliced_dict_varbinview[(10000, 10000)] 235 µs 206.8 µs +13.61%
⚡ CPU Simulation bench_compare_sliced_dict_varbinview[(1000, 10000)] 90.3 µs 79.9 µs +12.93%
⚡ Walltime starts_with_avx2[64, VarBin] 62.3 µs 55.8 µs +11.82%
⚡ Walltime add_constant_shapes_neon[(32768, PerRowNullableConstant)] 16.3 µs 14.7 µs +10.85%
⚡ CPU Simulation filter_list_primitive_short[Repeated] 152.3 µs 137.6 µs +10.66%
⚡ Walltime add_constant_shapes_neon[(32768, ConstantPerRow)] 15.7 µs 14.3 µs +10.22%
⚡ Walltime add_constant_shapes_neon[(32768, PerRowConstant)] 15.7 µs 14.3 µs +10.16%

Tip

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


Comparing rk/buffer-filter (d6bd74a) with develop (9bf403a)

Open in CodSpeed

Footnotes

  1. 370 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. 30 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. ↩