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Fused delta(for(bitpacking)) decode (unstable_encodings) #8224

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Pin fastlanes patch to rev 267717c

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Fused delta(for(bitpacking)) decode (unstable_encodings) #8224

Pin fastlanes patch to rev 267717c
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CodSpeed HQ / CodSpeed Performance Analysis succeeded Jun 2, 2026

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.

✅ 1275 untouched benchmarks
🆕 8 new benchmarks

Performance Changes

Mode Benchmark BASE HEAD Efficiency
🆕 Simulation current_u64[65536] N/A 654 µs N/A
🆕 Simulation fused_u32[65536] N/A 235.3 µs N/A
🆕 Simulation fused_u64[65536] N/A 378 µs N/A
🆕 Simulation fused_u64[1048576] N/A 5.7 ms N/A
🆕 Simulation fused_u32[1048576] N/A 3.5 ms N/A
🆕 Simulation current_u32[1048576] N/A 5.6 ms N/A
🆕 Simulation current_u64[1048576] N/A 13.5 ms N/A
🆕 Simulation current_u32[65536] N/A 379.2 µs N/A

Comparing claude/delta-bitpacking-fastlanes-V6mTZ (1565f71) with develop (81046d7)

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