Support i128 and i256 decimals in DecimalByteParts encoding

[mhk197]

Summary

Changes

[codspeed-hq]

Merging this PR will regress 1 benchmark

⚠️ 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.

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 3 improved benchmarks
❌ 1 regressed benchmark
✅ 2193 untouched benchmarks
🆕 18 new benchmarks
⏩ 218 skipped benchmarks¹

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	decompress[u64, (4000, 1024)]	70.8 µs	86.3 µs	-18.01%
⚡	WallTime	arrow_checked_add_u32_avx2[16384]	21.4 µs	17.7 µs	+21.19%
⚡	WallTime	filtered_owned_i64_avx512[OneNullInEight]	26.2 µs	22.4 µs	+17.28%
⚡	WallTime	mul_u32_nonnull_avx512	6.3 µs	5.6 µs	+11.94%
🆕	Simulation	dbp_assemble[(I128, 1024)]	N/A	48 µs	N/A
🆕	Simulation	dbp_assemble[(I128, 8192)]	N/A	266.9 µs	N/A
🆕	Simulation	dbp_assemble[(I256, 1024)]	N/A	80.8 µs	N/A
🆕	Simulation	dbp_assemble[(I256, 8192)]	N/A	530.4 µs	N/A
🆕	Simulation	dbp_assemble[(I64, 1024)]	N/A	9.2 µs	N/A
🆕	Simulation	dbp_assemble[(I64, 8192)]	N/A	7.3 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I128, 1024)]	N/A	51.9 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I128, 8192)]	N/A	288.3 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I256, 1024)]	N/A	89.5 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I256, 8192)]	N/A	550.2 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I64, 1024)]	N/A	7.5 µs	N/A
🆕	Simulation	dbp_split_all_valid[(I64, 8192)]	N/A	7.5 µs	N/A
🆕	Simulation	dbp_split_mixed_null[(I128, 1024)]	N/A	73.3 µs	N/A
🆕	Simulation	dbp_split_mixed_null[(I128, 8192)]	N/A	318.4 µs	N/A
🆕	Simulation	dbp_split_mixed_null[(I256, 1024)]	N/A	101.7 µs	N/A
🆕	Simulation	dbp_split_mixed_null[(I256, 8192)]	N/A	587.3 µs	N/A
...	...	...	...	...	...

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.

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_{Comparing mk/dbp-v2-feature (4edb7aa) with develop (35cd01f)}

Footnotes

1. 218 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. ↩