array slots #6870
+2,866
−2,348
Draft
array slots #6870
CodSpeed HQ / CodSpeed Performance Analysis
failed
Mar 20, 2026
Performance Regression: -37.75%
⚡ 1 improved benchmark
❌ 38 regressed benchmarks
✅ 977 untouched benchmarks
⏩ 1522 skipped benchmarks1
⚠️ Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | chunked_bool_canonical_into[(1000, 10)] |
73.8 µs | 82.9 µs | -10.99% |
| ❌ | Simulation | chunked_bool_canonical_into[(100, 100)] |
199.9 µs | 242.4 µs | -17.56% |
| ❌ | Simulation | chunked_bool_canonical_into[(10, 1000)] |
1.7 ms | 2.1 ms | -19.69% |
| ❌ | Simulation | chunked_varbinview_canonical_into[(10, 1000)] |
3.2 ms | 3.6 ms | -10.96% |
| ⚡ | Simulation | chunked_constant_i32_append_to_builder[(1000, 10)] |
42.9 µs | 32.5 µs | +31.85% |
| ❌ | Simulation | chunked_opt_bool_into_canonical[(1000, 10)] |
105 µs | 168.7 µs | -37.75% |
| ❌ | Simulation | bench_many_nulls[0.9] |
463.1 µs | 529.2 µs | -12.5% |
| ❌ | Simulation | bench_many_nulls[0.5] |
324.3 µs | 361.1 µs | -10.2% |
| ❌ | Simulation | old_alp_prim_test_between[f32, 32768] |
398.7 µs | 449.1 µs | -11.22% |
| ❌ | Simulation | new_bp_prim_test_between[i32, 32768] |
143.6 µs | 174.7 µs | -17.76% |
| ❌ | Simulation | new_bp_prim_test_between[i64, 32768] |
176.5 µs | 237.4 µs | -25.67% |
| ❌ | Simulation | new_bp_prim_test_between[i32, 16384] |
95.9 µs | 112.8 µs | -15.03% |
| ❌ | Simulation | new_bp_prim_test_between[i16, 32768] |
125.6 µs | 141.4 µs | -11.22% |
| ❌ | Simulation | new_bp_prim_test_between[i64, 2048] |
55.4 µs | 62.2 µs | -10.98% |
| ❌ | Simulation | new_bp_prim_test_between[i64, 16384] |
112.5 µs | 144 µs | -21.86% |
| ❌ | Simulation | old_bp_prim_test_between[i64, 16384] |
294.4 µs | 329.1 µs | -10.54% |
| ❌ | Simulation | new_alp_prim_test_between[f64, 16384] |
124.6 µs | 149.9 µs | -16.92% |
| ❌ | Simulation | old_bp_prim_test_between[i64, 32768] |
475 µs | 540.7 µs | -12.13% |
| ❌ | Simulation | decompress_alp[f32, (1000, 0.01, 0.25)] |
13.5 µs | 15 µs | -10.34% |
| ❌ | Simulation | decompress_alp[f32, (1000, 0.01, 0.95)] |
13.2 µs | 15 µs | -11.86% |
| ... | ... | ... | ... | ... | ... |
ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.
Comparing ji/slots-for-arrays (bd11897) with develop (2ec79da)2
Footnotes
-
1522 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(bb45280) during the generation of this report, so 2ec79da was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩
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