diff --git a/.github/workflows/linux-x64-cpu-gcc.yml b/.github/workflows/linux-x64-cpu-gcc.yml
index 31abbe47c25..ab2185be3e7 100644
--- a/.github/workflows/linux-x64-cpu-gcc.yml
+++ b/.github/workflows/linux-x64-cpu-gcc.yml
@@ -1,33 +1,33 @@
 name: linux-x64-cpu-gcc
 on:
   push:
-    # branches: [master]
+    branches: [master]
     paths:
-      - ".github/workflows/linux-x64-cpu-gcc.yml"
-      - "toolchains/host-c.gcc.toolchain.cmake"
-      - "CMakeLists.txt"
-      - "cmake/**"
-      - "src/*"
-      - "src/layer/*"
-      - "src/layer/x86/**"
-      - "tests/**"
-      - "tools/**"
-      - "!tools/pnnx/**"
-      - "examples/**"
+    - '.github/workflows/linux-x64-cpu-gcc.yml'
+    - 'toolchains/host-c.gcc.toolchain.cmake'
+    - 'CMakeLists.txt'
+    - 'cmake/**'
+    - 'src/*'
+    - 'src/layer/*'
+    - 'src/layer/x86/**'
+    - 'tests/**'
+    - 'tools/**'
+    - '!tools/pnnx/**'
+    - 'examples/**'
   pull_request:
     branches: [master]
     paths:
-      - ".github/workflows/linux-x64-cpu-gcc.yml"
-      - "toolchains/host-c.gcc.toolchain.cmake"
-      - "CMakeLists.txt"
-      - "cmake/**"
-      - "src/*"
-      - "src/layer/*"
-      - "src/layer/x86/**"
-      - "tests/**"
-      - "tools/**"
-      - "!tools/pnnx/**"
-      - "examples/**"
+    - '.github/workflows/linux-x64-cpu-gcc.yml'
+    - 'toolchains/host-c.gcc.toolchain.cmake'
+    - 'CMakeLists.txt'
+    - 'cmake/**'
+    - 'src/*'
+    - 'src/layer/*'
+    - 'src/layer/x86/**'
+    - 'tests/**'
+    - 'tools/**'
+    - '!tools/pnnx/**'
+    - 'examples/**'
 concurrency:
   group: linux-x64-cpu-gcc-${{ github.ref }}
   cancel-in-progress: true
@@ -38,97 +38,97 @@ jobs:
   linux-gcc:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
-      - name: update
-        run: sudo apt-get update
-      - name: protobuf
-        run: sudo apt-get install libprotobuf-dev protobuf-compiler libopencv-dev
-      - name: build-sse2
-        run: |
-          mkdir build-sse2 && cd build-sse2
-          cmake -DNCNN_AVX=OFF -DNCNN_AVX2=OFF -DNCNN_BUILD_TESTS=ON ..
-          cmake --build . -j $(nproc)
-      - name: test-sse2
-        run: cd build-sse2 && ctest --output-on-failure -j $(nproc)
-      - name: build-shared
-        run: |
-          mkdir build-shared && cd build-shared
-          cmake -DNCNN_AVX2=ON -DNCNN_SHARED_LIB=ON ..
-          cmake --build . -j $(nproc)
-      - name: build-avx2
-        run: |
-          mkdir build-avx2 && cd build-avx2
-          cmake -DNCNN_AVX2=ON -DNCNN_BUILD_TESTS=ON ..
-          cmake --build . -j $(nproc)
-      - name: test-avx2
-        run: cd build-avx2 && ctest --output-on-failure -j $(nproc)
-      - name: build-avx
-        run: |
-          mkdir build-avx && cd build-avx
-          cmake -DNCNN_AVX2=OFF -DNCNN_AVX=ON -DNCNN_BUILD_TESTS=ON ..
-          cmake --build . -j $(nproc)
-      - name: test-avx
-        run: cd build-avx && ctest --output-on-failure -j $(nproc)
-      - name: build-avx1-2
-        run: |
-          mkdir build-avx1-2 && cd build-avx1-2
-          cmake -DNCNN_AVX2=ON -DNCNN_AVX=ON -DNCNN_BUILD_TESTS=ON ..
-          cmake --build . -j $(nproc)
-      - name: test-avx1-2
-        run: cd build-avx1-2 && ctest --output-on-failure -j $(nproc)
-      - name: build-noint8
-        run: |
-          mkdir build-noint8 && cd build-noint8
-          cmake -DNCNN_INT8=OFF -DNCNN_BUILD_TESTS=ON ..
-          cmake --build . -j $(nproc)
-      - name: test-noint8
-        run: cd build-noint8 && ctest --output-on-failure -j $(nproc)
+    - uses: actions/checkout@v4
+    - name: update
+      run: sudo apt-get update
+    - name: protobuf
+      run: sudo apt-get install libprotobuf-dev protobuf-compiler libopencv-dev
+    - name: build-sse2
+      run: |
+        mkdir build-sse2 && cd build-sse2
+        cmake -DNCNN_AVX=OFF -DNCNN_AVX2=OFF -DNCNN_BUILD_TESTS=ON ..
+        cmake --build . -j $(nproc)
+    - name: test-sse2
+      run: cd build-sse2 && ctest --output-on-failure -j $(nproc)
+    - name: build-shared
+      run: |
+        mkdir build-shared && cd build-shared
+        cmake -DNCNN_AVX2=ON -DNCNN_SHARED_LIB=ON ..
+        cmake --build . -j $(nproc)
+    - name: build-avx2
+      run: |
+        mkdir build-avx2 && cd build-avx2
+        cmake -DNCNN_AVX2=ON -DNCNN_BUILD_TESTS=ON ..
+        cmake --build . -j $(nproc)
+    - name: test-avx2
+      run: cd build-avx2 && ctest --output-on-failure -j $(nproc)
+    - name: build-avx
+      run: |
+        mkdir build-avx && cd build-avx
+        cmake -DNCNN_AVX2=OFF -DNCNN_AVX=ON -DNCNN_BUILD_TESTS=ON ..
+        cmake --build . -j $(nproc)
+    - name: test-avx
+      run: cd build-avx && ctest --output-on-failure -j $(nproc)
+    - name: build-avx1-2
+      run: |
+        mkdir build-avx1-2 && cd build-avx1-2
+        cmake -DNCNN_AVX2=ON -DNCNN_AVX=ON -DNCNN_BUILD_TESTS=ON ..
+        cmake --build . -j $(nproc)
+    - name: test-avx1-2
+      run: cd build-avx1-2 && ctest --output-on-failure -j $(nproc)
+    - name: build-noint8
+      run: |
+        mkdir build-noint8 && cd build-noint8
+        cmake -DNCNN_INT8=OFF -DNCNN_BUILD_TESTS=ON ..
+        cmake --build . -j $(nproc)
+    - name: test-noint8
+      run: cd build-noint8 && ctest --output-on-failure -j $(nproc)
 
   linux-gcc-cpp03-nostdio-nostring-simplestl:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
-      - name: build-nostdio
-        run: |
-          mkdir build-nostdio && cd build-nostdio
-          cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host.gcc-c++03.toolchain.cmake -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
-          cmake --build . -j $(nproc)
-      - name: test-nostdio
-        run: cd build-nostdio && ctest --output-on-failure -j $(nproc)
-      - name: build-nostdio-nostring
-        run: |
-          mkdir build-nostdio-nostring && cd build-nostdio-nostring
-          cmake -DNCNN_STDIO=OFF -DNCNN_STRING=OFF -DNCNN_BUILD_TESTS=OFF -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
-          cmake --build . -j $(nproc)
-      - name: build-simplestl
-        run: |
-          mkdir build-simplestl && cd build-simplestl
-          cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
-          cmake --build . -j $(nproc)
-      - name: test-simplestl
-        run: cd build-simplestl && ctest --output-on-failure -j $(nproc)
-      - name: build-simplestl-simpleomp
-        run: |
-          mkdir build-simplestl-simpleomp && cd build-simplestl-simpleomp
-          cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_SIMPLEOMP=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
-          cmake --build . -j $(nproc)
-      - name: test-simplestl-simpleomp
-        run: cd build-simplestl-simpleomp && ctest --output-on-failure -j $(nproc)
+    - uses: actions/checkout@v4
+    - name: build-nostdio
+      run: |
+        mkdir build-nostdio && cd build-nostdio
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host.gcc-c++03.toolchain.cmake -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: test-nostdio
+      run: cd build-nostdio && ctest --output-on-failure -j $(nproc)
+    - name: build-nostdio-nostring
+      run: |
+        mkdir build-nostdio-nostring && cd build-nostdio-nostring
+        cmake -DNCNN_STDIO=OFF -DNCNN_STRING=OFF -DNCNN_BUILD_TESTS=OFF -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: build-simplestl
+      run: |
+        mkdir build-simplestl && cd build-simplestl
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: test-simplestl
+      run: cd build-simplestl && ctest --output-on-failure -j $(nproc)
+    - name: build-simplestl-simpleomp
+      run: |
+        mkdir build-simplestl-simpleomp && cd build-simplestl-simpleomp
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_SIMPLEOMP=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: test-simplestl-simpleomp
+      run: cd build-simplestl-simpleomp && ctest --output-on-failure -j $(nproc)
 
   linux-gcc-avx512:
     runs-on: [self-hosted, linux, t4]
     steps:
-      - uses: actions/checkout@v4
-      - name: build
-        env:
-          CC: gcc
-          CXX: g++
-          LD_LIBRARY_PATH: /data/action/install/lib64
-        run: |
-          mkdir build && cd build
-          cmake -DNCNN_AVX2=ON -DNCNN_AVX512=ON -DNCNN_AVX512VNNI=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
-          cmake --build . -j 4
-      - name: test
-        env:
-          LD_LIBRARY_PATH: /data/action/install/lib64
-        run: cd build && ctest --output-on-failure -j 4
+    - uses: actions/checkout@v4
+    - name: build
+      env:
+        CC: gcc
+        CXX: g++
+        LD_LIBRARY_PATH: /data/action/install/lib64
+      run: |
+        mkdir build && cd build
+        cmake -DNCNN_AVX2=ON -DNCNN_AVX512=ON -DNCNN_AVX512VNNI=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j 4
+    - name: test
+      env:
+        LD_LIBRARY_PATH: /data/action/install/lib64
+      run: cd build && ctest --output-on-failure -j 4