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refactor: make bitpacked chunk boundaries explicit - #10005

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mhk197 wants to merge 4 commits into
mk/bitpacked-stack-03-width-childfrom
mk/bitpacked-stack-04-offset-child
Closed

mhk197 wants to merge 4 commits into
mk/bitpacked-stack-03-width-childfrom
mk/bitpacked-stack-04-offset-child

refactor: make bitpacked chunk boundaries explicit

06905e1
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CodSpeed / CodSpeed Performance Analysis succeeded Sep 23, 2026 in 0s

Performance Gate Passed

⚠️ 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.

⚠️ 4 benchmarks measured no execution time

Nothing ran under measurement, usually because the compiler removed the code under test. These results are not comparable, so they count as unchanged.

Preventing compiler optimizations

⚡ 1 improved benchmark
✅ 2261 untouched benchmarks
⏩ 299 skipped benchmarks1
🗄️ 1 archived benchmark run2

Performance Changes

Mode Benchmark BASE HEAD Efficiency
⚡ Simulation take_fsl_random[128, 10] 58.5 µs 32.7 µs +79.16%
⚠️ Simulation take_fsl_u32_random[256, 10] < 1 ns < 1 ns N/A
⚠️ Simulation fixed_16_advancing_ptr_safe[100] < 1 ns < 1 ns N/A
⚠️ Simulation preverify_advancing_ptr_unchecked[1000] < 1 ns < 1 ns N/A
⚠️ Simulation preverify_advancing_ptr_unchecked[10000] < 1 ns < 1 ns N/A

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.


Comparing mk/bitpacked-stack-04-offset-child (06905e1) with mk/bitpacked-stack-03-width-child (9dc388a)

Open in CodSpeed

Footnotes

  1. 299 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. ↩

  2. 1 benchmark was run, but is now archived. If it was deleted in another branch, consider rebasing to remove it from the report. Instead if it was added back, click here to restore it. ↩