test: more `iter_bits` test cases #5336

Performance Gate Passed

✅ 1362 untouched
🆕 63 new
⏩ 567 skipped¹

	Benchmark	`BASE`	`HEAD`	Change
🆕	`bitpack_canonical_unpack[(1000, 0.5)]`	N/A	20 µs	N/A
🆕	`bitpack_canonical_unpack[(1000, 1.0)]`	N/A	11.8 µs	N/A
🆕	`bitpack_canonical_unpack[(10000, 0.5)]`	N/A	54.2 µs	N/A
🆕	`bitpack_canonical_unpack[(10000, 1.0)]`	N/A	35.5 µs	N/A
🆕	`bitpack_canonical_unpack[(100000, 0.5)]`	N/A	402.9 µs	N/A
🆕	`bitpack_canonical_unpack[(100000, 1.0)]`	N/A	273.7 µs	N/A
🆕	`bitpack_canonical_unpack[(1000000, 0.5)]`	N/A	3.8 ms	N/A
🆕	`bitpack_canonical_unpack[(1000000, 1.0)]`	N/A	2.6 ms	N/A
🆕	`bitpack_canonical_unpack[(10000000, 0.5)]`	N/A	38.6 ms	N/A
🆕	`bitpack_canonical_unpack[(10000000, 1.0)]`	N/A	26 ms	N/A
🆕	`bitpack_pipeline_unpack[(1000, 0.5)]`	N/A	54.9 µs	N/A
🆕	`bitpack_pipeline_unpack[(1000, 1.0)]`	N/A	23.1 µs	N/A
🆕	`bitpack_pipeline_unpack[(10000, 0.5)]`	N/A	91.6 µs	N/A
🆕	`bitpack_pipeline_unpack[(10000, 1.0)]`	N/A	50.7 µs	N/A
🆕	`bitpack_pipeline_unpack[(100000, 0.5)]`	N/A	498.5 µs	N/A
🆕	`bitpack_pipeline_unpack[(100000, 1.0)]`	N/A	322.6 µs	N/A
🆕	`bitpack_pipeline_unpack[(1000000, 0.5)]`	N/A	4.5 ms	N/A
🆕	`bitpack_pipeline_unpack[(1000000, 1.0)]`	N/A	3 ms	N/A
🆕	`bitpack_pipeline_unpack[(10000000, 0.5)]`	N/A	45.9 ms	N/A
🆕	`bitpack_pipeline_unpack[(10000000, 1.0)]`	N/A	29.4 ms	N/A
...	...	...	...	...

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567 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. ↩