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Use PiecewiseSequence indices for FSL take#8800

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codex/piecewise-sequential-take
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Use PiecewiseSequence indices for FSL take#8800
danking wants to merge 24 commits into
developfrom
codex/piecewise-sequential-take

Rename PiecewiseSequence constant helper

c94c4ef
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CodSpeed HQ / CodSpeed Performance Analysis failed Jul 17, 2026 in 0s

1 benchmark regressed

⚡ 19 improved benchmarks
❌ 1 regressed benchmark
✅ 1650 untouched benchmarks
🆕 128 new benchmarks
⏩ 52 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation true_count_vortex_buffer[128] 522.2 ns 580.6 ns -10.05%
Simulation take_fsl_random[1024, 1000] 15.2 ms 6 ms ×2.5
Simulation take_fsl_nullable_random[1024, 1000] 14.8 ms 6 ms ×2.5
Simulation take_fsl_random[256, 1000] 3.5 ms 1.5 ms ×2.2
Simulation take_fsl_nullable_random[256, 1000] 3.4 ms 1.5 ms ×2.2
Simulation take_fsl_random[1024, 100] 1,567.8 µs 795.2 µs +97.14%
Simulation take_fsl_nullable_random[1024, 100] 1,535.6 µs 805.7 µs +90.6%
Simulation take_fsl_random[64, 1000] 815.6 µs 457.3 µs +78.35%
Simulation take_fsl_random[256, 100] 418.1 µs 235.2 µs +77.73%
Simulation take_fsl_nullable_random[64, 1000] 811.9 µs 473.1 µs +71.6%
Simulation take_fsl_nullable_random[256, 100] 415.5 µs 245.6 µs +69.17%
Simulation take_fsl_random[16, 1000] 237.7 µs 179.4 µs +32.5%
Simulation take_fsl_nullable_random[16, 1000] 257.6 µs 195 µs +32.11%
Simulation take_fsl_random[64, 100] 123 µs 95 µs +29.36%
Simulation take_fsl_random[4096, 1000] 67.3 ms 54.2 ms +24.2%
Simulation take_fsl_nullable_random[64, 100] 131.5 µs 108.1 µs +21.67%
Simulation take_fsl_nullable_random[4096, 1000] 65.6 ms 54.2 ms +20.93%
Simulation compact_sliced[(4096, 90)] 867.8 ns 780.3 ns +11.21%
Simulation compact_sliced[(16384, 90)] 931.1 ns 843.6 ns +10.37%
Simulation take_fsl_random[4096, 100] 6.2 ms 5.6 ms +10.17%
... ... ... ... ... ...

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 codex/piecewise-sequential-take (c94c4ef) with codex/piecewise-sequential-array (2b6fa3e)

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Footnotes

  1. 52 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.