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Disable Numpy AVX512 and SSE 4.2 in Python CI #226

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zfergus wants to merge 4 commits into from
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Disable Numpy AVX512 and SSE 4.2 in Python CI #226

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63d3083
Disable Numpy AVX512 and SSE 4.2 in Python CI
zfergus Apr 21, 2026
30fb4a5
Update numpy installation to no-binary source
zfergus Apr 21, 2026
255ef77
Modify CI workflow to use a virtual environment
zfergus Apr 21, 2026
3fea7bb
Modify Scipy installation in Python workflow
zfergus Apr 21, 2026
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13 changes: 13 additions & 0 deletions .github/workflows/python.yml
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Expand Up @@ -23,6 +23,8 @@ jobs:
Build:
name: ${{ matrix.name }} Python ${{ matrix.python-version }}
runs-on: ${{ matrix.os }}
env:
NPY_DISABLE_CPU_FEATURES: "AVX512F,AVX512_SKX,SSE4_2"
strategy:
fail-fast: false
matrix:
Expand Down Expand Up @@ -83,5 +85,16 @@ jobs:

- name: Tests
run: |
# 1. Create a clean virtual environment
python -m venv venv
source venv/bin/activate

# 2. Install NumPy from source WITHIN the venv
pip install --no-binary numpy,scipy numpy scipy

# 3. Install the project and test requirements
pip install .
pip install -r python/tests/requirements.txt

# 4. Run tests using the venv's nose2
nose2 -v --pretty-assert -s python/tests
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