Specialize VarBin PiecewiseSequence takes#8836
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CodSpeed HQ / CodSpeed Performance Analysis
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Jul 17, 2026
Performance Regression: -20.51%
❌ 2 regressed benchmarks
✅ 1796 untouched benchmarks
⏩ 52 skipped benchmarks1
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | copy_nullable[65536] |
1 ms | 1.4 ms | -24.26% |
| ❌ | Simulation | copy_non_nullable[65536] |
908.9 µs | 1,089.5 µs | -16.57% |
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-sequence-varbin-take (79d9e10) with codex/piecewise-sequential-take (6ee68b3)
Footnotes
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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. ↩
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