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‎.github/workflows/big_endian.yml‎

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# Cross-platform testing for quaddtype on high-endianness architectures using QEMU.
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# This workflow uses Docker containers with QEMU emulation to test on different architectures,
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# particularly focusing on big-endian systems where byte order matters for quad precision operations.
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#
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# The recommended practice is to rely on Docker to provide the cross-compile toolchain,
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# enabling native execution via binfmt.
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# Cross-platform testing for quaddtype on big-endian architectures using QEMU.
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# This workflow focuses specifically on big-endian systems to test byte order handling
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# in quad precision operations, since little-endian systems are already covered by standard CI.
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name: Linux QEMU Endianness Tests
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name: Big-Endian Architecture Tests
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on:
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pull_request:
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branches:
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- main
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- maintenance/**
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paths:
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- "quaddtype/**"
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- ".github/workflows/**"
@@ -28,25 +26,13 @@ permissions:
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contents: read
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jobs:
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linux_qemu_endian:
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big_endian_tests:
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runs-on: ubuntu-22.04
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continue-on-error: true
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strategy:
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fail-fast: false
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matrix:
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BUILD_PROP:
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- [
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"ppc64le (Power9 Little Endian)",
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"powerpc64le-linux-gnu",
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"ppc64le/ubuntu:22.04",
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"ppc64le"
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]
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- [
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"ppc64le - baseline(Power9)",
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"powerpc64le-linux-gnu",
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"ppc64le/ubuntu:22.04",
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"ppc64le"
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]
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- [
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"s390x (IBM Z Big Endian)",
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"s390x-linux-gnu",
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"s390x/ubuntu:22.04",
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"s390x"
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]
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- [
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"riscv64 (Little Endian)",
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"riscv64-linux-gnu",
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"riscv64/ubuntu:22.04",
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"riscv64"
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]
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env:
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ARCH_NAME: ${{ matrix.BUILD_PROP[0] }}
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TOOLCHAIN_NAME: ${{ matrix.BUILD_PROP[1] }}
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/bin/script -e -q -c "/bin/bash --noprofile --norc -eo pipefail -c '
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cd /workspace/quaddtype &&
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echo \"Running quaddtype tests on ${ARCH_NAME} (endianness: \$(python -c \"import sys; print(sys.byteorder)\"))\" &&
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echo \"Note: Testing big-endian byte order handling in quad precision operations\" &&
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pytest -vvv --color=yes --timeout=600 --tb=short tests/
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'"
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linux_loongarch64_qemu:
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runs-on: ubuntu-24.04
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continue-on-error: true
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strategy:
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fail-fast: false
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matrix:
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BUILD_PROP:
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- [
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"loongarch64 (LoongArch Little Endian)",
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"loongarch64-linux-gnu",
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"cnclarechen/numpy-loong64-debian:v1",
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"loong64"
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]
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env:
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ARCH_NAME: ${{ matrix.BUILD_PROP[0] }}
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TOOLCHAIN_NAME: ${{ matrix.BUILD_PROP[1] }}
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DOCKER_CONTAINER: ${{ matrix.BUILD_PROP[2] }}
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ARCH: ${{ matrix.BUILD_PROP[3] }}
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TERM: xterm-256color
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name: "${{ matrix.BUILD_PROP[0] }}"
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steps:
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- uses: actions/checkout@v4
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with:
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submodules: recursive
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fetch-tags: true
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- name: Initialize binfmt_misc for qemu-user-static (LoongArch)
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run: |
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docker run --rm --privileged loongcr.lcpu.dev/multiarch/archlinux --reset -p yes
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- name: Install GCC cross-compilers for LoongArch
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run: |
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sudo apt update
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sudo apt install -y ninja-build gcc-14-${TOOLCHAIN_NAME} g++-14-${TOOLCHAIN_NAME} gfortran-14-${TOOLCHAIN_NAME}
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- name: Cache LoongArch docker container
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uses: actions/cache@v4
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id: container-cache
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with:
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path: ~/docker_${{ matrix.BUILD_PROP[1] }}
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key: container-quaddtype-${{ runner.os }}-${{ matrix.BUILD_PROP[1] }}-${{ matrix.BUILD_PROP[2] }}-${{ hashFiles('quaddtype/pyproject.toml') }}
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- name: Create LoongArch cross-compilation container
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if: steps.container-cache.outputs.cache-hit != 'true'
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run: |
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docker run --platform=linux/${ARCH} --name quaddtype_loong_container --interactive \
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-v /:/host -v $(pwd):/workspace ${DOCKER_CONTAINER} /bin/bash -c "
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# Set up cross-compilation environment for LoongArch
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mkdir -p /lib64 && ln -sf /host/lib64/ld-* /lib64/ &&
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ln -sf /host/lib/x86_64-linux-gnu /lib/x86_64-linux-gnu &&
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ln -sf /host/usr/${TOOLCHAIN_NAME} /usr/${TOOLCHAIN_NAME} &&
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ln -sf /host/usr/lib/gcc-cross/${TOOLCHAIN_NAME} /usr/lib/gcc/${TOOLCHAIN_NAME} &&
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# Use GCC-14 for LoongArch
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rm -f /usr/bin/gcc && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-gcc-14 /usr/bin/gcc &&
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rm -f /usr/bin/g++ && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-g++-14 /usr/bin/g++ &&
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rm -f /usr/bin/gfortran && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-gfortran-14 /usr/bin/gfortran &&
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rm -f /usr/bin/ar && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-ar /usr/bin/ar &&
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rm -f /usr/bin/as && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-as /usr/bin/as &&
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rm -f /usr/bin/ld && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-ld /usr/bin/ld &&
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rm -f /usr/bin/ld.bfd && ln -sf /host/usr/bin/${TOOLCHAIN_NAME}-ld.bfd /usr/bin/ld.bfd &&
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rm -f /usr/bin/ninja && ln -sf /host/usr/bin/ninja /usr/bin/ninja &&
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git config --global --add safe.directory /workspace &&
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python -m pip install --break-system-packages meson>=1.3.2 meson-python wheel numpy
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"
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docker commit quaddtype_loong_container quaddtype_loong_container
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mkdir -p "~/docker_${TOOLCHAIN_NAME}"
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docker save -o "~/docker_${TOOLCHAIN_NAME}/quaddtype_loong_container.tar" quaddtype_loong_container
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- name: Load LoongArch container from cache
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if: steps.container-cache.outputs.cache-hit == 'true'
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run: docker load -i "~/docker_${TOOLCHAIN_NAME}/quaddtype_loong_container.tar"
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- name: Build quaddtype on LoongArch
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run: |
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docker run --rm --platform=linux/${ARCH} -e "TERM=xterm-256color" \
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-v $(pwd):/workspace -v /:/host quaddtype_loong_container \
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/bin/script -e -q -c "/bin/bash --noprofile --norc -eo pipefail -c '
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cd /workspace/quaddtype &&
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export LDFLAGS=\"-fopenmp\" &&
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python -m pip install --break-system-packages .[test] -v --no-build-isolation --force-reinstall
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'"
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- name: Run LoongArch tests
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run: |
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docker run --rm --platform=linux/${ARCH} -e "TERM=xterm-256color" \
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-v $(pwd):/workspace -v /:/host quaddtype_loong_container \
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/bin/script -e -q -c "/bin/bash --noprofile --norc -eo pipefail -c '
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cd /workspace/quaddtype &&
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echo \"Running quaddtype tests on ${ARCH_NAME} (endianness: \$(python -c \"import sys; print(sys.byteorder)\"))\" &&
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pytest -vvv --color=yes tests/
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'"
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'"

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