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numpy-rms: add build-numpy-rms.yml for riscv64 wheels - #1453

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numpy-rms
Sep 8, 2026
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numpy-rms: add build-numpy-rms.yml for riscv64 wheels#1453
luhenry merged 1 commit into
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numpy-rms

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@luhenry luhenry commented Sep 7, 2026

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Compiles a small cffi C extension for fast RMS calculation on float32 NumPy arrays. Upstream publishes no riscv64 wheel.

Mirrors upstream's build.yml.

Differs from upstream

  • Pins numpy via PIP_ONLY_BINARY - only our registry has a riscv64 wheel for it.
  • Pins the setuptools_scm version - a shallow checkout can't see the tag.

Matrix: cp310-cp314 plus cp314t - matches upstream's own published wheel matrix exactly.

Testing

  • same as upstream

License: OK

Built on manylinux_riscv64 CI, all 6 interpreters (cp310-cp314, cp314t); 8 passed each.

Per-interpreter cibuildwheel build mirroring upstream's own build.yml,
narrowed to manylinux riscv64. numpy is pinned via PIP_ONLY_BINARY so
pip resolves our registry's riscv64 wheel instead of trying to build
numpy from source.
luhenry added a commit that referenced this pull request Sep 7, 2026
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luhenry merged commit 072af92 into main Sep 8, 2026
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luhenry deleted the numpy-rms branch September 8, 2026 08:36
@luhenry luhenry linked an issue Sep 8, 2026 that may be closed by this pull request
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numpy-rms riscv64 support

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