aggregate_fn: Return NaN instead of null for mean of all-null input#8365
Merged
CodSpeed HQ / CodSpeed Performance Analysis
succeeded
Jun 11, 2026 in 0s
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.
⚡ 3 improved benchmarks
✅ 1529 untouched benchmarks
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ⚡ | Simulation | chunked_bool_canonical_into[(1000, 10)] |
35.4 µs | 20.5 µs | +73.06% |
| ⚡ | Simulation | chunked_varbinview_into_canonical[(1000, 10)] |
213.2 µs | 177.1 µs | +20.42% |
| ⚡ | Simulation | chunked_varbinview_canonical_into[(100, 100)] |
308.5 µs | 273.5 µs | +12.8% |
Tip
Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.
Comparing mitko/aggregate/mean-all-null-nan (90d7433) with develop (eda4dd0)
Loading