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Validate VarBin arrays with an explicit execution context - #10593

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robert3005 merged 1 commit into
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rk/legacy-session-varbin
Oct 20, 2026
Merged

robert3005 merged 1 commit into
developfrom
rk/legacy-session-varbin

Validate VarBin arrays with an explicit execution context

cbb2829
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CodSpeed / CodSpeed Performance Analysis failed Oct 20, 2026 in 0s

5 benchmarks regressed

⚠️ 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.

⚠️ 1 benchmark measured no execution time

Nothing ran under measurement, usually because the compiler removed the code under test. This result is not comparable, so it counts as unchanged.

Preventing compiler optimizations

⚠️ 43 benchmarks spent significant time in system calls

System calls cannot be consistently instrumented, so they are not included in the measure, which understates the real cost. Please switch to the Walltime instrument to accurately measure system calls.

Measurement and system calls

ℹ️ 40 benchmarks have no flame graph

The flamegraph could not be generated because we failed to resolve the symbols in the profiling trace. This happens when we fail to harvest information about language frames.

⚠️ 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

⚡ 6 improved benchmarks
❌ 5 regressed benchmarks
✅ 2397 untouched benchmarks
⏩ 12 skipped benchmarks1
🗄️ 43 archived benchmarks run2

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation decode_primitives[i64, (1000, 8)] 24.7 µs 37.4 µs -34%
❌ WallTime threshold_neon[8] 1.8 µs 2.6 µs -30.67%
❌ ⚠️ Simulation test_scan_scalar_at[int] 785.2 µs 929.1 µs -15.49%
❌ ℹ️ Simulation test_scan_filter[int] 3 ms 3.4 ms -10.84%
❌ WallTime words_gather_dispatch_neon[65536] 1.8 µs 2 µs -10.17%
⚡ ⚠️ Simulation test_repeated_scan_scalar_at[int_str] 832.5 µs 424.5 µs +96.15%
⚡ WallTime filter_neon[8] 1,755 ns 911 ns +92.65%
⚡ WallTime filter_neon[64] 2.5 µs 1.8 µs +39.89%
⚡ WallTime filter_neon[80] 3.1 µs 2.6 µs +20.46%
⚡ ⚠️ Simulation bench_compare_sliced_dict_primitive[(2000, 10000)] 78.8 µs 68.6 µs +14.89%
⚡ WallTime threshold_avx512[80] 2.8 µs 2.5 µs +10.88%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing rk/legacy-session-varbin (cbb2829) with develop (3bf14ba)

Open in CodSpeed

Footnotes

  1. 12 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. 43 benchmarks were run, but are now archived. If they were deleted in another branch, consider rebasing to remove them from the report. Instead if they were added back, click here to restore them. ↩