fix: solve release issue (#5434)

.github/workflows/release-pypi-kernel.yml

-name: Release SGLang Kernel to PyPI
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - sgl-kernel/python/sgl_kernel/version.py
-  workflow_dispatch:
-
-concurrency:
-  group: release-pypi-kernel-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build-wheels:
-    if: github.repository == 'sgl-project/sglang'
-    runs-on: sgl-kernel-release-node
-    strategy:
-      matrix:
-        python-version: ['3.9']
-        cuda-version: ['12.4']
-
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: 'recursive'
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Build wheels for Python ${{ matrix.python-version }} and CUDA ${{ matrix.cuda-version }}
-      run: |
-        cd sgl-kernel
-        chmod +x ./build.sh
-        ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}"
-
-    - name: Upload to pypi
-      working-directory: sgl-kernel
-      run: |
-        pip install twine
-        python3 -m twine upload dist/* -u __token__ -p ${{ secrets.PYPI_TOKEN }}

.github/workflows/release-whl-kernel-cu128.yml → .github/workflows/release-whl-kernel-cu118.yml

-name: Release SGLang Kernel Wheel (cu128)
+name: Release SGLang Kernel Wheel (cu118)
 
 on:
   workflow_dispatch:
@@ -18,7 +18,7 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.9']
-        cuda-version: ['12.8']
+        cuda-version: ['11.8']
 
     steps:
       - uses: actions/checkout@v4
@@ -80,7 +80,7 @@ jobs:
           WHL_TOKEN: ${{ secrets.WHL_TOKEN }}
 
       - name: Update wheel index
-        run: python3 scripts/update_kernel_whl_index.py --cuda 128
+        run: python3 scripts/update_kernel_whl_index.py
 
       - name: Push wheel index
         run: |

.github/workflows/release-whl-kernel.yml

-name: Release SGLang Kernel Wheel (cu118)
+name: Release SGLang Kernels
 
 on:
-  workflow_dispatch:
-    inputs:
-      tag_name:
-        type: string
   push:
     branches:
       - main
     paths:
       - sgl-kernel/python/sgl_kernel/version.py
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        type: string
+        required: false
+
+concurrency:
+  group: release-sglang-kernels-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
-  build-wheels:
+  build-cu124:
     if: github.repository == 'sgl-project/sglang'
     runs-on: sgl-kernel-release-node
     strategy:
       matrix:
         python-version: ['3.9']
-        cuda-version: ['11.8']
+        cuda-version: ['12.4']
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Build wheels
+        run: |
+          cd sgl-kernel
+          chmod +x ./build.sh
+          ./build.sh "${{ matrix.python-version }}" "${{ matrix.cuda-version }}"
 
+      - name: Upload to PyPI
+        working-directory: sgl-kernel
+        run: |
+          pip install twine
+          python3 -m twine upload dist/* -u __token__ -p ${{ secrets.PYPI_TOKEN }}
+
+  build-cu128:
+    if: github.repository == 'sgl-project/sglang'
+    needs: build-cu124
+    runs-on: sgl-kernel-release-node
+    strategy:
+      matrix:
+        python-version: ['3.9']
+        cuda-version: ['12.8']
     steps:
       - uses: actions/checkout@v4
         with:
@@ -30,7 +64,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Build wheels for Python ${{ matrix.python-version }} and CUDA ${{ matrix.cuda-version }}
+      - name: Build wheels
         run: |
           cd sgl-kernel
           chmod +x ./build.sh
@@ -43,7 +77,7 @@ jobs:
           path: sgl-kernel/dist/*
 
   release:
-    needs: build-wheels
+    needs: build-cu128
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -80,7 +114,7 @@ jobs:
           WHL_TOKEN: ${{ secrets.WHL_TOKEN }}
 
       - name: Update wheel index
-        run: python3 scripts/update_kernel_whl_index.py
+        run: python3 scripts/update_kernel_whl_index.py --cuda 128
 
       - name: Push wheel index
         run: |

docker/Dockerfile.blackwell

@@ -6,7 +6,7 @@ WORKDIR /sgl-workspace
 
 RUN pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cu128
 
-RUN pip3 install https://github.com/sgl-project/whl/releases/download/v0.0.9/sgl_kernel-0.0.9+cu128-cp39-abi3-manylinux2014_x86_64.whl \
+RUN pip3 install https://github.com/sgl-project/whl/releases/download/v0.0.9.post1/sgl_kernel-0.0.9.post1+cu128-cp39-abi3-manylinux2014_x86_64.whl \
     && pip3 install setuptools==75.0.0 wheel==0.41.0 scikit-build-core
 
 RUN git clone --depth=1 https://github.com/sgl-project/sglang.git \

sgl-kernel/build.sh

@@ -35,8 +35,6 @@ docker run --rm \
    ${PYTHON_ROOT_PATH}/bin/pip install --no-cache-dir ninja setuptools==75.0.0 wheel==0.41.0 numpy uv scikit-build-core && \
    export TORCH_CUDA_ARCH_LIST='7.5 8.0 8.9 9.0+PTX' && \
    export CUDA_VERSION=${CUDA_VERSION} && \
-   export CMAKE_BUILD_PARALLEL_LEVEL=96
-   export MAX_JOBS=96
    mkdir -p /usr/lib/x86_64-linux-gnu/ && \
    ln -s /usr/local/cuda-${CUDA_VERSION}/targets/x86_64-linux/lib/stubs/libcuda.so /usr/lib/x86_64-linux-gnu/libcuda.so && \
    cd /sgl-kernel && \