[dependabot]

Bumps CodSpeedHQ/action from 5.4.2 to 5.5.0.

Release notes

Sourced from CodSpeedHQ/action's releases.

v5.5.0

Bumps the CodSpeed runner to v5.5.0.

This release adds support for Ubuntu 26.04, on both x86_64 and arm64. The officially supported distributions are now Ubuntu 22.04, 24.04 and 26.04, and Debian 12.

Profile uploads are also faster on GitHub-hosted runners, and archives larger than 5 GiB can now be uploaded.

Results from the Memory instrument are processed much faster and with less memory on large benchmarks.

This release also fixes a crash that could affect some pytest-codspeed benchmarks since v5.4.2.

🚀 Features

• Split profile archive uploads into concurrent parts by @​lvaroqui in #565

🐛 Bug Fixes

• Only set PYTHONPERFSUPPORT for exec-harness benchmarks by @​not-matthias in #584

⚡ Performance

• Stream memtrack frames and decode them in parallel when finding module events by @​not-matthias in #578
• Use mimalloc as the runner's global allocator by @​not-matthias in #581

⚙️ Internals

• Support Ubuntu 26.04 by @​lvaroqui in #574

Full Runner Changelog: https://github.com/CodSpeedHQ/codspeed/blob/main/CHANGELOG.md

What's Changed

• ci: migrate to github default arm runners by @​lvaroqui in CodSpeedHQ/action#250
• chore: bump runner version to 5.5.0 by @​github-actions[bot] in CodSpeedHQ/action#251

New Contributors

• @​lvaroqui made their first contribution in CodSpeedHQ/action#250

Full Changelog: CodSpeedHQ/action@v5.4.2...v5.5.0

Commits

• 821a40c Release v5.5.0 🚀
• a0d1b90 chore: bump runner version to 5.5.0 (#251)
• 67e2f8c ci: migrate to github default arm runners (#250)
• See full diff in compare view

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[codspeed]

Merging this PR will degrade performance by 33.2%

2 warnings

⚠️ 8 benchmarks are dominated by system calls

System 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.

Learn more about system calls

See affected benchmarks

⚠️ Base and head ran on different runner types

Some 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.

Learn more about Macro Runners

Open the report in CodSpeed to investigate

⚡ 1 improved benchmark
❌ 3 regressed benchmarks
✅ 184 untouched benchmarks
⏩ 77 skipped benchmarks¹

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	real_world_lookup_single[Preact] srcmap WASM buf	61.4 µs	157.3 µs	-60.96%
❌	real_world_lookup_single[Preact] srcmap WASM flat	101.8 µs	197.5 µs	-48.46%
❌	real_world_lookup_single[Preact] source-map-js	570.4 µs	653.5 µs	-12.72%
⚡	serialize_medium_10k_segments_to_json	2.3 ms	2.1 ms	+13.32%

Tip

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

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_{Comparing dependabot/github_actions/CodSpeedHQ/action-5.5.0 (5a789d8) with main (489c64b)²}

Footnotes

1. 77 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. ↩

2. No successful run was found on main (38d6453) during the generation of this report, so 489c64b was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩