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Support vitest 5 - #86

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cod-2931-prepare-compatibility-with-vitest-5
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Support vitest 5#86
GuillaumeLagrange wants to merge 5 commits into
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cod-2931-prepare-compatibility-with-vitest-5

docs(vitest-plugin): show the vitest 5 bench fixture API in the readme

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CodSpeed / CodSpeed Performance Analysis failed Sep 30, 2026 in 0s

4 benchmarks regressed

⚠️ 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.

Open the report in CodSpeed to investigate

⚡ 4 improved benchmarks
❌ 4 regressed benchmarks
✅ 177 untouched benchmarks
🆕 79 new benchmarks
⏩ 53 skipped benchmarks1

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

Mode Benchmark BASE HEAD Efficiency
❌ Simulation switch 1 204.5 µs 689.9 µs -70.37%
❌ Memory wait 500ms 15.5 KB 21.5 KB -27.99%
❌ Simulation iterative fibo 20 26.9 µs 30.7 µs -12.36%
❌ WallTime test_recursive_cached_fibo_10 2.3 µs 2.6 µs -12.09%
⚡ Simulation recursive fibo 10 1,372.1 µs 299.9 µs ×4.6
⚡ Simulation recursive fibo 15 636.9 µs 352.1 µs +80.88%
⚡ WallTime switch 1 84 ns 72 ns +16.67%
⚡ WallTime test_iterative_fibo_10 120 ns 108 ns +11.11%
🆕 WallTime iterative fibo 15 N/A 672 ns N/A
🆕 WallTime iterative fibo 20 N/A 672 ns N/A
🆕 WallTime recursive fibo 15 N/A 20.4 µs N/A
🆕 WallTime recursive fibo 20 N/A 219.2 µs N/A
🆕 WallTime iterative N/A 552 ns N/A
🆕 WallTime recursive N/A 20.2 µs N/A
🆕 WallTime iterative N/A 564 ns N/A
🆕 WallTime recursive N/A 218.9 µs N/A
🆕 WallTime fibo 10 N/A 2.3 µs N/A
🆕 WallTime fibo 15 N/A 20.3 µs N/A
🆕 WallTime long body N/A 267.2 µs N/A
🆕 WallTime short body N/A 1.5 µs N/A
... ... ... ... ... ...

ℹ️ Only the first 20 benchmarks are displayed. Go to the app to view all benchmarks.

Tip

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

Comparing cod-2931-prepare-compatibility-with-vitest-5 (9007e6e) with main (3258048)

Open in CodSpeed

Footnotes

  1. 53 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. ↩

View more details on CodSpeed