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CI: serialize precompile workers for python-using groups #1182

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Merged
ChrisRackauckas merged 1 commit into from
Apr 10, 2026
+8 −0
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CI: serialize precompile workers for python-using groups #1182

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8 changes: 8 additions & 0 deletions .github/workflows/CI.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,14 @@ jobs:
${{ runner.os }}-test-${{ matrix.version }}-${{ env.cache-name }}-
${{ runner.os }}-test-${{ matrix.version }}-
${{ runner.os }}-
# Serialize precompile workers for the python-using groups. PythonCall's
# `JlWrap.__init__` has been observed to fail intermittently with
# `UndefRefError: access to undefined reference` when multiple precompile
# workers spin up the wrapper-type registration concurrently. Setting
# `JULIA_NUM_PRECOMPILE_TASKS=1` removes that race; the cost on these
# small subpackages is negligible.
- if: ${{ matrix.group == 'OptimizationSciPy' || matrix.group == 'OptimizationPyCMA' }}
run: echo "JULIA_NUM_PRECOMPILE_TASKS=1" >> $GITHUB_ENV
- uses: julia-actions/julia-buildpkg@v1
- if: ${{ matrix.group == 'OptimizationQuadDIRECT' }}
run: julia --project -e 'using Pkg; Pkg.Registry.add(RegistrySpec(url = "https://github.com/HolyLab/HolyLabRegistry.git")); Pkg.add("QuadDIRECT")'
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