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[codex] Experiment: Fearless SIMD byte compression regression - #10321
joseph-isaacs wants to merge 1 commit into
Performance Regression: -0.93%
⚠️ 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.
⚠️ Different runtime environments detected
Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.
⚡ 1 improved benchmark
❌ 1 regressed benchmark
✅ 2099 untouched benchmarks
🆕 4 new benchmarks
⏩ 518 skipped benchmarks1
Warning
Please fix the performance issues or acknowledge them on CodSpeed.
Performance Changes
| Mode | Benchmark | BASE |
HEAD |
Efficiency | |
|---|---|---|---|---|---|
| ❌ | Simulation | compare[1] |
114.3 µs | 135.1 µs | -15.4% |
| ⚡ | Simulation | compare[1] |
155.6 µs | 134.1 µs | +16.02% |
| 🆕 | Simulation | allocated[u8, 0.6] |
N/A | 170.9 µs | N/A |
| 🆕 | Simulation | allocated[u8, 0.75] |
N/A | 179.2 µs | N/A |
| 🆕 | Simulation | in_place[u8, 0.6] |
N/A | 137.9 µs | N/A |
| 🆕 | Simulation | in_place[u8, 0.75] |
N/A | 136.1 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 ji/fearless-simd-byte-compression (f96c310) with develop (c6e51ba)
Footnotes
-
518 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. ↩