Refactor CPU feature detection to use an explicit x86 whitelist

.github/workflows/01-ci-pipeline.yml

@@ -92,6 +92,11 @@ jobs:
       os: ubuntu-24.04
       compiler: clang
 
+  build-and-test-linux-riscv64:
+    name: Build & Test (linux-riscv64)
+    needs: lint
+    uses: ./.github/workflows/07-linux-riscv-build.yml
+
   build-android:
     name: Build & Test (android)
     needs: [lint, clang-tidy]

.github/workflows/03-macos-linux-build.yml

@@ -88,7 +88,8 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip \
+          python -m pip install --upgrade pip
+          python -m pip install \
             pybind11==3.0 \
             cmake==3.30.0 \
             ninja==1.11.1 \
@@ -151,4 +152,4 @@ jobs:
           ./c_api_field_schema_example
           ./c_api_index_example
           ./c_api_optimized_example
-        shell: bash
+        shell: bash

.github/workflows/07-linux-riscv-build.yml

@@ -0,0 +1,337 @@
+name: Linux RISC-V Build
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+env:
+  RISE_PYPI: https://gitlab.com/api/v4/projects/56254198/packages/pypi/simple
+  PIP_BREAK_SYSTEM_PACKAGES: 1
+
+jobs:
+  build:
+    name: Build (linux-riscv64)
+    runs-on: ubuntu-24.04-riscv
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
+        with:
+          submodules: recursive
+
+      - name: Install build dependencies
+        run: |
+          sudo mkdir -p /var/lib/dpkg/updates
+          sudo mkdir -p /var/lib/apt/lists/
+          sudo mkdir -p /var/cache/apt/archives/          
+          sudo touch /var/lib/dpkg/status          
+          sudo apt-get purge -y byobu || true
+          sudo apt-get update -o Dpkg::Lock::Timeout=300
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+            -o Dpkg::Options::="--force-confdef" \
+            -o Dpkg::Options::="--force-confold" \
+            -o Dpkg::Lock::Timeout=300 \
+            ccache python3-pybind11 pybind11-dev
+        shell: bash
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: linux-riscv64-${{ runner.os }}-gcc
+          max-size: 150M
+
+      - name: Build from source
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          NPROC=$(nproc 2>/dev/null || echo 2)
+          echo "Using $NPROC parallel jobs for builds"
+          cmake -S . -B build \
+            -G "Unix Makefiles" \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_TOOLS=ON \
+            -DBUILD_PYTHON_BINDINGS=ON \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          make -C build -j"$NPROC"
+        shell: bash
+
+      - name: Archive entire workspace
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          tar -cf linux-riscv64-workspace.tar .
+        shell: bash
+
+      - name: Upload workspace artifacts
+        uses: actions/upload-artifact@v7
+        with:
+          name: linux-riscv64-workspace
+          path: ${{ github.workspace }}/linux-riscv64-workspace.tar
+          if-no-files-found: error
+
+  cpp-tests:
+    name: C++ Tests
+    runs-on: ubuntu-24.04-riscv
+    needs: build
+
+    steps:
+      - name: Download workspace artifacts
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-riscv64-workspace
+          path: ${{ github.workspace }}
+
+      - name: Extract workspace
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          tar -xf linux-riscv64-workspace.tar
+        shell: bash
+
+      - name: Install test dependencies
+        run: |
+          sudo mkdir -p /var/lib/dpkg/updates
+          sudo mkdir -p /var/lib/apt/lists/
+          sudo mkdir -p /var/cache/apt/archives/
+          sudo touch /var/lib/dpkg/status
+          sudo apt-get purge -y byobu || true
+          sudo apt-get update -o Dpkg::Lock::Timeout=300
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+            -o Dpkg::Options::="--force-confdef" \
+            -o Dpkg::Options::="--force-confold" \
+            -o Dpkg::Lock::Timeout=300 \
+            ccache python3-pybind11 pybind11-dev libgtest-dev liburing-dev
+        shell: bash
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: linux-riscv64-${{ runner.os }}-gcc
+          max-size: 150M
+
+      - name: Reconfigure build directory
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          cmake -S . -B build \
+            -G "Unix Makefiles" \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_TOOLS=ON \
+            -DBUILD_PYTHON_BINDINGS=ON \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+        shell: bash
+
+      - name: Run C++ Tests
+        run: |
+          cd "$GITHUB_WORKSPACE/build"
+          NPROC=$(nproc 2>/dev/null || echo 2)
+          make unittest -j"$NPROC"
+        shell: bash
+
+  python-tests:
+    name: Python Tests
+    runs-on: ubuntu-24.04-riscv
+    needs: build
+
+    steps:
+      - name: Select Python
+        run: |
+          if command -v python3 >/dev/null 2>&1; then
+            PYTHON_BIN=python3
+          elif command -v python >/dev/null 2>&1; then
+            PYTHON_BIN=python
+          else
+            echo "No local Python interpreter found on PATH"
+            exit 1
+          fi
+          "$PYTHON_BIN" --version
+          echo "PYTHON=$PYTHON_BIN" >> "$GITHUB_ENV"
+        shell: bash
+
+      - name: Download workspace artifacts
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-riscv64-workspace
+          path: ${{ github.workspace }}
+
+      - name: Extract workspace
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          tar -xf linux-riscv64-workspace.tar
+          echo "$($PYTHON -c 'import site; print(site.USER_BASE)')/bin" >> "$GITHUB_PATH"
+        shell: bash
+
+      - name: Cache pip
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: linux-riscv64-${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}
+          restore-keys: |
+            linux-riscv64-${{ runner.os }}-pip-
+
+      - name: Install dependencies
+        run: |
+          sudo mkdir -p /var/lib/dpkg/updates
+          sudo mkdir -p /var/lib/apt/lists/
+          sudo mkdir -p /var/cache/apt/archives/
+          sudo touch /var/lib/dpkg/status
+          sudo apt-get purge -y byobu || true
+          sudo apt-get update -o Dpkg::Lock::Timeout=300
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+            -o Dpkg::Options::="--force-confdef" \
+            -o Dpkg::Options::="--force-confold" \
+            -o Dpkg::Lock::Timeout=300 \
+            ccache libgtest-dev liburing-dev
+
+          $PYTHON -m pip install --upgrade pip
+          $PYTHON -m pip install numpy==2.2.2 cmake==3.30.0 ninja==1.11.1.1 --index-url "$RISE_PYPI"
+          $PYTHON -m pip install pybind11==3.0 pytest scikit-build-core setuptools_scm pytest-xdist
+        shell: bash
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: linux-riscv64-${{ runner.os }}-gcc
+          max-size: 150M
+
+      - name: Reconfigure build directory
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          cmake -S . -B build \
+            -G "Unix Makefiles" \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_TOOLS=ON \
+            -DBUILD_PYTHON_BINDINGS=ON \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+            -Dpybind11_DIR="$($PYTHON -c 'import pybind11; print(pybind11.get_cmake_dir())')"
+        shell: bash
+
+      - name: Install from existing build directory
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          NPROC=$(nproc 2>/dev/null || echo 2)
+          export SKBUILD_BUILD_DIR="$GITHUB_WORKSPACE/build"
+          CMAKE_GENERATOR="Unix Makefiles" \
+          CMAKE_BUILD_PARALLEL_LEVEL="$NPROC" \
+          $PYTHON -m pip install -v . \
+            --no-build-isolation \
+            --config-settings='cmake.define.BUILD_TOOLS="ON"' \
+            --config-settings='cmake.define.CMAKE_C_COMPILER_LAUNCHER=ccache' \
+            --config-settings='cmake.define.CMAKE_CXX_COMPILER_LAUNCHER=ccache'
+        shell: bash
+
+      - name: Run Python Tests
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          $PYTHON -m pytest python/tests/
+        shell: bash
+
+  cpp-examples:
+    name: C++ Examples
+    runs-on: ubuntu-24.04-riscv
+    needs: build
+
+    steps:
+      - name: Download workspace artifacts
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-riscv64-workspace
+          path: ${{ github.workspace }}
+
+      - name: Extract workspace
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          tar -xf linux-riscv64-workspace.tar
+        shell: bash
+
+      - name: Install ccache
+        run: |
+          sudo mkdir -p /var/lib/dpkg/updates
+          sudo mkdir -p /var/lib/apt/lists/
+          sudo mkdir -p /var/cache/apt/archives/
+          sudo touch /var/lib/dpkg/status
+          sudo apt-get purge -y byobu || true
+          sudo apt-get update -o Dpkg::Lock::Timeout=300
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+            -o Dpkg::Options::="--force-confdef" \
+            -o Dpkg::Options::="--force-confold" \
+            -o Dpkg::Lock::Timeout=300 \
+            ccache
+        shell: bash
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: linux-riscv64-${{ runner.os }}-gcc
+          max-size: 150M
+
+      - name: Run C++ Examples
+        run: |
+          cd "$GITHUB_WORKSPACE/examples/c++"
+          NPROC=$(nproc 2>/dev/null || echo 2)
+          mkdir -p build && cd build
+          cmake .. -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          make -j "$NPROC"
+          ./db-example
+          ./core-example
+          ./ailego-example
+        shell: bash
+
+  c-examples:
+    name: C Examples
+    runs-on: ubuntu-24.04-riscv
+    needs: build
+
+    steps:
+      - name: Download workspace artifacts
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-riscv64-workspace
+          path: ${{ github.workspace }}
+
+      - name: Extract workspace
+        run: |
+          cd "$GITHUB_WORKSPACE"
+          tar -xf linux-riscv64-workspace.tar
+        shell: bash
+
+      - name: Install ccache
+        run: |
+          sudo mkdir -p /var/lib/dpkg/updates
+          sudo mkdir -p /var/lib/apt/lists/
+          sudo mkdir -p /var/cache/apt/archives/
+          sudo touch /var/lib/dpkg/status
+          sudo apt-get purge -y byobu || true
+          sudo apt-get update -o Dpkg::Lock::Timeout=300
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -yq \
+            -o Dpkg::Options::="--force-confdef" \
+            -o Dpkg::Options::="--force-confold" \
+            -o Dpkg::Lock::Timeout=300 \
+            ccache
+        shell: bash
+
+      - name: Setup ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: linux-riscv64-${{ runner.os }}-gcc
+          max-size: 150M
+
+      - name: Run C Examples
+        run: |
+          cd "$GITHUB_WORKSPACE/examples/c"
+          NPROC=$(nproc 2>/dev/null || echo 2)
+          mkdir -p build && cd build
+          cmake .. -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          make -j "$NPROC"
+          ./c_api_basic_example
+          ./c_api_collection_schema_example
+          ./c_api_doc_example
+          ./c_api_field_schema_example
+          ./c_api_index_example
+          ./c_api_optimized_example
+        shell: bash