Fix flaky CodSpeed microbenchmarks#8742
Merged
robert3005 merged 10 commits intoJul 14, 2026
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Jul 13, 2026 in 0s
Performance Regression: -8.32%
⚡ 1 improved benchmark
❌ 2 regressed benchmarks
✅ 1656 untouched benchmarks
🆕 1 new benchmark
⏩ 47 skipped benchmarks1
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | chunked_varbinview_into_canonical[(1000, 10)] |
169.5 µs | 211.5 µs | -19.86% |
| ❌ | Simulation | encode_primitives[i64, (1000, 512)] |
117.3 µs | 137.1 µs | -14.47% |
| ⚡ | Simulation | chunked_bool_canonical_into[(1000, 10)] |
16.4 µs | 14.6 µs | +12.43% |
| 🆕 | Simulation | slice_empty_tight_loop_vortex |
N/A | 26.3 µs | N/A |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing claude/flaky-microbenchmarks-cleanup-u68he8 (1a06040) with develop (002e40a)
Footnotes
-
47 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. ↩
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