⚡️ Improve Python CI performance - #1944
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Exercise the reusable test workflow with a shared native build tree and retain the parallel coverage integration. Co-authored-by: Daniel Haag <121057143+denialhaag@users.noreply.github.com> Assisted-by: GPT-5.6 via Codex
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Replace the benchmark-only feature reference with the released workflow and update all reusable workflow pins consistently. Assisted-by: GPT-5.6 via Codex
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🤖 *AI text below* 🤖 ## Description Backport selected changes from `main` to the maintained `v3.x` branch in preparation for MQT Core 3.8.0. The commits are kept separate by upstream change wherever practical. The series includes: - configurable QDMI device discovery and stable-ID registration from #1912 - binary-safe FoMaC/QDMI program handling from #1957 - CMake subproject composability and individually selectable bundled QDMI devices from the current #1965 head (`cdc740398e472c19b585cf6dbd7d41de053d84a6`) - optional QIR support for the DDSIM QDMI device and the associated QIR runtime improvements - native RCCX support and the bottom-up DD construction path - Python CI performance improvements from #1944 - template synchronization through #1964, agent/contributor guide updates, dependency and pre-commit updates, and related maintenance ## v3 compatibility This backport deliberately preserves the v3 architecture: - LLVM/MLIR remains optional and continues to use LLVM/MLIR 21. - QIR support is available behind the existing MLIR-dependent feature flags. - The mandatory LLVM/MLIR 22 transition from #1953 and compiler-collection changes that depend on the v4 MLIR/QCO redesign are not included. - #1965 is adapted to retain optional MLIR and the v3 documentation roles while preserving its CMake and QDMI behavior. ## Validation - configured and built the complete non-MLIR library - configured the MLIR build against LLVM/MLIR 21.1.8 - built and ran focused DD, FoMaC, QDMI driver/registry/device, and QIR tests - verified 435 #1965-affected C++ test cases, with two expected device capability skips - configured MQT Core as an embedded CMake subproject with all bundled devices disabled by default - configured an embedded build with only the DDSIM QDMI device enabled - built and ran the device-free registry suite: 11 tests passed - focused Python FoMaC suite: 181 passed, two expected non-MLIR skips - regenerated Python stubs without a diff - complete lint, lockfile validation, commit-signature audit, and `git diff --check` passed The pre-existing v3 test configuration still requires `llc` even when MLIR is disabled. The non-MLIR library build itself succeeds; MLIR/QIR validation used LLVM/MLIR 21. ## Checklist - [x] The pull request only contains commits that are focused and relevant to this change. - [x] I have added appropriate tests that cover the new/changed functionality. - [x] I have updated the documentation to reflect these changes. - [x] I have added entries to the changelog for any noteworthy additions, changes, fixes, or removals. - [x] I have added migration instructions to the upgrade guide (if needed). - [x] The changes follow the project's style guidelines and introduce no new warnings. - [x] The changes are fully tested and pass the CI checks. - [x] I have reviewed my own code changes. **If PR contains AI-assisted content:** - [x] Any agent that created, edited, or submitted GitHub content was explicitly authorized for that scope, as required by our AI Usage Guidelines. - [x] Every agent-authored or agent-edited public text body begins with the visible disclosure `🤖 *AI text below* 🤖` (titles are exempt). - [x] I have disclosed AI assistance in the PR description. - [x] I confirm that I have personally reviewed and understood all AI-generated content, and accept full responsibility for it. --------- Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Signed-off-by: Lukas Burgholzer <burgholzer@me.com> Signed-off-by: Roberto Turrado Camblor <rturrado@gmail.com> Signed-off-by: rturrado <rturrado@gmail.com> Co-authored-by: mqt-app[bot] <219534693+mqt-app[bot]@users.noreply.github.com> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Daniel Haag <121057143+denialhaag@users.noreply.github.com> Co-authored-by: simon1hofmann <119581649+simon1hofmann@users.noreply.github.com> Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: Roberto Turrado Camblor <rturrado@gmail.com> Co-authored-by: Yannick Stade <100073938+ystade@users.noreply.github.com>
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🤖 AI text below 🤖
Summary
sysmoncore and parallel data collection centrally.The shared build directory lets the minimum- and regular-resolution nox sessions reuse the same CMake and Ninja state. On Windows, reusable workflows v2.2.1 initialize native MSVC and use Ninja so the existing job-local
sccacheinstallation is active.Evidence
The final test-only experiment passed on macOS and Windows in run 30434315809. The full Core CI run for the same source revision also passed on every supported runner in run 30434310296.
The strongest reuse was on Windows: after the minimum-resolution builds, all five regular-resolution sessions completed in 47 seconds and
sccachereported a 35.93% hit rate in run 30404816970.Validation
uv lock --check