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GPU benchmark: add reusable decompression profiling metrics - #9432

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GPU benchmark: add reusable decompression profiling metrics#9432
joseph-isaacs wants to merge 1 commit into
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joe/gpu-decompression-profiling

Add reusable GPU Vortex profiling metrics

b6cf956
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CodSpeed HQ / CodSpeed Performance Analysis failed Aug 17, 2026

Performance Regression: -11.88%

⚠️ 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.

❌ 2 regressed benchmarks
✅ 1998 untouched benchmarks
⏩ 89 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
WallTime words_gather_scalar[65536] 8.2 µs 9.4 µs -12.65%
WallTime words_gather_dispatch[1024] 8 ns 9 ns -11.11%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.


Comparing joe/gpu-decompression-profiling (b6cf956) with develop (b825c4f)

Open in CodSpeed

Footnotes

  1. 89 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.