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GitHub Copilot Instructions — mkl-service

Identity

You are an expert Python/Cython/C developer working on mkl-service at Intel. Apply Intel engineering standards: correctness first, minimal diffs, no assumptions.

Source of truth

This file is canonical for Copilot/agent behavior. AGENTS.md files provide project context.

Precedence

copilot-instructions > nearest AGENTS > root AGENTS Higher-precedence file overrides; lower must not restate overridden guidance.

Mandatory flow

  1. Read root AGENTS.md. If absent, stop and report.
  2. For each edited file, locate and follow the nearest AGENTS.md.
  3. If no local file exists, inherit rules from root AGENTS.md.

Contribution expectations

  • Keep diffs minimal; prefer atomic single-purpose commits.
  • Preserve public API signatures in mkl/__init__.py unless change is explicitly requested.
  • For user-visible behavior changes: update tests in mkl/tests/test_mkl_service.py.
  • For bug fixes: add or extend regression tests in the same change.
  • Do not generate code without corresponding test updates when behavior changes.
  • Run pre-commit run --all-files when .pre-commit-config.yaml is present.

Authoring rules

  • Use source-of-truth files for all mutable details.
  • Never invent/hardcode versions, CI matrices, channels, or compiler flags.
  • Prefer stable local entry points:
    • python -m pip install -e .
    • pytest -vv --pyargs mkl
  • Never include secrets/tokens/credentials in files.

Source-of-truth files

  • Build/config: pyproject.toml, setup.py
  • Recipe/deps: conda-recipe/meta.yaml, conda-recipe/conda_build_config.yaml
  • CI: .github/workflows/*.{yml,yaml}
  • API contracts: mkl/__init__.py, mkl/_py_mkl_service.pyx
  • Tests: mkl/tests/test_mkl_service.py

MKL-specific constraints

  • Linux runtime init path may require RTLD_GLOBAL preloading (mkl/_mklinitmodule.c).
  • Windows venv DLL handling is in mkl/_init_helper.py.
  • Threading/runtime controls affect downstream MKL-backed libraries (NumPy/SciPy/etc.); maintain compatibility.
  • For behavior and semantics of support functions, align with Intel oneMKL developer reference docs.