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Add PiecewiseSequence take microbenchmarks#8830

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codex/piecewise-sequence-benchmarks
Draft

Add PiecewiseSequence take microbenchmarks#8830
danking wants to merge 2 commits into
codex/piecewise-sequential-run-take-consumersfrom
codex/piecewise-sequence-benchmarks

Make take slices matrix cursor copy checks explicit

388d234
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CodSpeed HQ / CodSpeed Performance Analysis succeeded Jul 17, 2026 in 0s

Performance Gate Passed

✅ 1798 untouched benchmarks
🆕 30 new benchmarks
⏩ 52 skipped benchmarks1

Performance Changes

Mode Benchmark BASE HEAD Efficiency
🆕 Simulation optimized_constant_lengths[1] N/A 53.6 ms N/A
🆕 Simulation optimized_constant_lengths[1024] N/A 7.9 ms N/A
🆕 Simulation optimized_constant_lengths[16] N/A 10 ms N/A
🆕 Simulation optimized_constant_lengths[256] N/A 8 ms N/A
🆕 Simulation optimized_constant_lengths[4] N/A 16.5 ms N/A
🆕 Simulation optimized_constant_lengths[64] N/A 8.3 ms N/A
🆕 Simulation prebuilt_dense_lengths[1] N/A 59.7 ms N/A
🆕 Simulation prebuilt_dense_lengths[1024] N/A 7.9 ms N/A
🆕 Simulation prebuilt_dense_lengths[16] N/A 10.4 ms N/A
🆕 Simulation prebuilt_dense_lengths[256] N/A 8 ms N/A
🆕 Simulation prebuilt_dense_lengths[4] N/A 18 ms N/A
🆕 Simulation prebuilt_dense_lengths[64] N/A 8.4 ms N/A
🆕 Simulation reify_constant_lengths_then_take[1] N/A 63.7 ms N/A
🆕 Simulation reify_constant_lengths_then_take[1024] N/A 7.9 ms N/A
🆕 Simulation reify_constant_lengths_then_take[16] N/A 10.5 ms N/A
🆕 Simulation reify_constant_lengths_then_take[256] N/A 8 ms N/A
🆕 Simulation reify_constant_lengths_then_take[4] N/A 18.8 ms N/A
🆕 Simulation reify_constant_lengths_then_take[64] N/A 8.5 ms N/A
🆕 Simulation cursor_copy_safe[1000] N/A 6.7 µs N/A
🆕 Simulation cursor_copy_safe[10000] N/A 14.2 µs N/A
... ... ... ... ... ...

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


Comparing codex/piecewise-sequence-benchmarks (388d234) with codex/piecewise-sequential-run-take-consumers (e4a0543)

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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.