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[DO NOT MERGE] Focused RowFn take_filter CodSpeed ablation - #9298

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[DO NOT MERGE] Focused RowFn take_filter CodSpeed ablation#9298
connortsui20 wants to merge 3 commits into
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ct/row-fn-codspeed-take-filter

Run focused take_filter CodSpeed on numeric RowFn

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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 9, 2026 in 0s

Performance Regression: -14.57%

❌ 14 regressed benchmarks
✅ 18 untouched benchmarks
⏩ 1997 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation take_filter_list_small_uncached_random_mask_random_indices[256, 10] 233.7 µs 279.5 µs -16.37%
❌ Simulation take_filter_list_random_mask_sequential_indices[768, 50] 236.8 µs 279 µs -15.12%
❌ Simulation take_filter_list_random_mask_sequential_indices[256, 50] 241.8 µs 284.7 µs -15.09%
❌ Simulation take_filter_list_small_random_mask_random_indices[768, 10] 242 µs 284.1 µs -14.8%
❌ Simulation take_filter_list_small_random_mask_random_indices[256, 10] 232.8 µs 273.2 µs -14.78%
❌ Simulation take_filter_list_slice_mask_random_indices[768, 50] 240.9 µs 282.6 µs -14.75%
❌ Simulation take_filter_list_slice_mask_random_indices[256, 50] 239.1 µs 280.4 µs -14.74%
❌ Simulation take_filter_list_random_mask_random_indices[256, 50] 245.9 µs 287.9 µs -14.59%
❌ Simulation take_filter_list_random_mask_random_indices[768, 50] 256.1 µs 298.9 µs -14.32%
❌ Simulation take_filter_list_slice_mask_sequential_indices[768, 50] 236.8 µs 275.9 µs -14.18%
❌ Simulation take_filter_list_small_uncached_random_mask_random_indices[768, 10] 242.2 µs 281.9 µs -14.07%
❌ Simulation take_filter_list_nullable_random_mask_random_indices[256, 50] 256.9 µs 298.1 µs -13.82%
❌ Simulation take_filter_list_slice_mask_sequential_indices[256, 50] 237.4 µs 275.3 µs -13.77%
❌ Simulation take_filter_list_nullable_random_mask_random_indices[768, 50] 267.4 µs 309.2 µs -13.52%

Tip

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

Comparing ct/row-fn-codspeed-take-filter (85add64) with develop (66d096b)

Open in CodSpeed

Footnotes

  1. 1997 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. ↩

View more details on CodSpeed HQ