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Build arrays through non-generic constructors - #10737
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Performance Regression: -11.41%
4 warnings, 1 note
⚠️ Walltime results may be unreliableSome benchmarks used the Walltime instrument outside CodSpeed Macro Runners, which can make the results inconsistent.
⚠️ Unable to measure the execution of 1 benchmarkThis benchmark measured no execution time, so its result is not comparable and counts as unchanged. This usually happens when the compiler removes the code under test.
⚠️ 22 benchmarks are dominated by system callsSystem calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.
⚠️ Base and head ran on different runner typesSome benchmarks with significant performance changes were compared across different runner types, so the changes might not come from the code. Run base and head on the same runner type, or use CodSpeed Macro Runners for more stable results.
ℹ️ 40 benchmarks have no flamegraph
The flamegraph wasn't generated: the symbols of the profiling trace could not be resolved, because no information about the language frames was collected.
⚡ 6 improved benchmarks
❌ 7 regressed benchmarks
✅ 2395 untouched benchmarks
⏩ 12 skipped benchmarks1
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Walltime | threshold_neon[8] |
1.3 µs | 2.5 µs | -47.79% |
| ❌ | Walltime | filter_neon[64] |
1.8 µs | 3 µs | -40.63% |
| ❌ | Walltime | filter_neon[8] |
940 ns | 1,569 ns | -40.09% |
| ❌ | Walltime | threshold_neon[80] |
3.4 µs | 4.4 µs | -21.68% |
| ❌ | Walltime | threshold_neon[64] |
2.5 µs | 3.2 µs | -20.35% |
| ❌ | CPU Simulation | new_bp_prim_test_between[i16, 2048] |
57.6 µs | 71.7 µs | -19.65% |
| ❌ | Walltime | filter_neon[80] |
2.6 µs | 3.3 µs | -19.02% |
| ⚡ | CPU Simulation | new_raw_prim_test_between[i32, 2048] |
81.5 µs | 58.9 µs | +38.33% |
| ⚡ | CPU Simulation | random_i128[0.01] |
5.8 µs | 4.7 µs | +22.5% |
| ⚡ | CPU Simulation | test_scan_filter_to_arrow_array[int_float] |
4.1 ms | 3.5 ms | +15.99% |
| ⚡ | CPU Simulation | test_repeated_scan_filter[int_float] |
3.9 ms | 3.4 ms | +12.5% |
| ⚡ | CPU Simulation | test_repeated_scan_filter[int] |
2.7 ms | 2.4 ms | +11.71% |
| ⚡ | CPU Simulation | test_scan_filter_to_arrow_array[int] |
2.8 ms | 2.5 ms | +11.12% |
Tip
Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.
Comparing rk/size-nongeneric-array-ctors (6b24a64) with develop (8c680f2)2
Footnotes
-
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. ↩
-
No successful run was found on
develop(c88edde) during the generation of this report, so 8c680f2 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩