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Optimize buffer ops#8322

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adamg/buffer-slice-fast
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Optimize buffer ops#8322
AdamGS wants to merge 8 commits into
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adamg/buffer-slice-fast

clean up

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CodSpeed HQ / CodSpeed Performance Analysis failed Jun 12, 2026

Performance Regression: -12.18%

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

⚡ 19 improved benchmarks
❌ 108 regressed benchmarks
✅ 1401 untouched benchmarks
⏩ 10 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
Simulation chunked_bool_canonical_into[(1000, 10)] 20.7 µs 35.5 µs -41.8%
Simulation compare[48] 213 µs 300.5 µs -29.11%
Simulation compare[50] 227.7 µs 319 µs -28.63%
Simulation compare[49] 228.2 µs 317.1 µs -28.04%
Simulation compare[44] 207.5 µs 287.6 µs -27.87%
Simulation compare[47] 223.5 µs 309.1 µs -27.68%
Simulation compare[46] 218.5 µs 302.1 µs -27.67%
Simulation compare[40] 190.7 µs 263.4 µs -27.61%
Simulation compare[44] 212.1 µs 292.2 µs -27.4%
Simulation compare[45] 218.9 µs 300.8 µs -27.23%
Simulation compare[43] 209.2 µs 287.5 µs -27.21%
Simulation compare[42] 204.5 µs 281 µs -27.21%
Simulation compare[40] 195.6 µs 268.1 µs -27.04%
Simulation compare[43] 214.2 µs 292.4 µs -26.74%
Simulation compare[41] 204.5 µs 279.1 µs -26.73%
Simulation compare[42] 209.4 µs 284.9 µs -26.5%
Simulation compare[41] 209.3 µs 283.8 µs -26.23%
Simulation compare[31] 157.7 µs 213.6 µs -26.18%
Simulation compare[39] 199.9 µs 270.7 µs -26.16%
Simulation compare[38] 195.5 µs 264.2 µs -26.01%
... ... ... ... ... ...

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 adamg/buffer-slice-fast (11bb86c) with develop (f67b594)

Open in CodSpeed

Footnotes

  1. 10 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.