grouped aggregate microbenches#8301
Merged
Merged
CodSpeed HQ / CodSpeed Performance Analysis
failed
Jun 9, 2026 in 0s
1 benchmark 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.
⚡ 3 improved benchmarks
❌ 1 regressed benchmark
✅ 1509 untouched benchmarks
🆕 4 new benchmarks
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | encode_varbin[(1000, 2)] |
143.1 µs | 163.7 µs | -12.58% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[128] |
275.3 ns | 216.9 ns | +26.89% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[1024] |
336.9 ns | 278.6 ns | +20.94% |
| ⚡ | Simulation | bitwise_not_vortex_buffer_mut[2048] |
400.6 ns | 342.2 ns | +17.05% |
| 🆕 | Simulation | count_i32_clustered_nulls |
N/A | 685.2 µs | N/A |
| 🆕 | Simulation | count_varbinview |
N/A | 255.2 µs | N/A |
| 🆕 | Simulation | sum_i32_clustered_nulls |
N/A | 594.3 µs | N/A |
| 🆕 | Simulation | sum_i32_nullable_all_valid |
N/A | 351.7 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 os/grouped-agg-bench (b2221df) with develop (1b19ac9)
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