[dependabot]

Bumps CodSpeedHQ/action from 5.4.0 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

v5.4.2

Bumps the CodSpeed runner to v5.4.2, including v5.4.1.

This release improves and adds support for memory flamegraphs in C++, Python and Node.js.

Fixes flamegraphs for Python in simulation mode in the exec CLI.

🚀 Features

... (truncated)

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)
• f842b9a Release v5.4.2 🚀
• d71714c chore: bump runner version to 5.4.2 (#246)
• See full diff in compare view

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[codspeed]

Merging this PR will improve performance by ×4.1

⚠️ 7 benchmarks spent significant time in system calls

System calls cannot be consistently instrumented, so they are not included in the measure, which understates the real cost. Please switch to the Walltime instrument to accurately measure system calls.

Measurement and system calls

• test_bench_read[read_sg-500]
• test_bench_read[read_nx-500]
• test_bench_write[write_nx-500]
• test_bench_read[read_rx-500]
• test_bench_validate[500]
• test_bench_write[write_sg-500]
• test_bench_write[write_rx-500]

⚠️ 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

⚡ 1 improved benchmark
✅ 6 untouched benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡ ⚠️	test_bench_read[read_sg-500]	4.2 s	1 s	×4.1

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved 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 (53dfd8c) with main (e8d6b1b)}