1name: CI
 2
 3on:
 4  push:
 5    branches: [ main ]
 6  pull_request:
 7    branches: [ main ]
 8
 9jobs:
10  build-and-test:
11    runs-on: ubuntu-latest
12
13    steps:
14    - name: Checkout
15      uses: actions/checkout@v4
16      with:
17        submodules: recursive
18
19    - name: Install Rust nightly
20      uses: dtolnay/rust-toolchain@nightly
21      with:
22        components: clippy, rustfmt
23
24    - name: Cache cargo deps
25      uses: actions/cache@v4
26      with:
27        path: |
28          ~/.cargo/registry
29          ~/.cargo/git
30          target          
31        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
32        restore-keys: |
33          ${{ runner.os }}-cargo-          
34
35    # Detect whether runner supports AVX2 + FMA
36    - name: Detect AVX support
37      id: avxcheck
38      run: |
39        if lscpu | grep -qi avx2 && lscpu | grep -qi fma; then
40          echo "supported=true" >> $GITHUB_OUTPUT
41        else
42          echo "supported=false" >> $GITHUB_OUTPUT
43        fi        
44
45    # rustfmt always runs — unrelated to AVX support
46    - name: rustfmt (check only)
47      run: cargo fmt --all --check
48
49    # Build / lint / test WITH AVX
50    - name: Build (AVX enabled)
51      if: steps.avxcheck.outputs.supported == 'true'
52      run: |
53        RUSTFLAGS="-C target-feature=+avx2,+fma" \
54        cargo build --workspace --all-targets --features enable-avx        
55
56    - name: Clippy (AVX enabled)
57      if: steps.avxcheck.outputs.supported == 'true'
58      run: |
59        RUSTFLAGS="-C target-feature=+avx2,+fma" \
60        cargo clippy --workspace --all-targets --features enable-avx -- -D warnings        
61
62    - name: Tests (AVX enabled)
63      if: steps.avxcheck.outputs.supported == 'true'
64      run: |
65        RUSTDOCFLAGS="-C target-feature=+avx2 -C target-feature=+fma" \
66        RUSTFLAGS="-C target-feature=+avx2,+fma" \
67        cargo test --workspace --features enable-avx        
68
69    # Build / lint / test WITHOUT AVX
70    - name: Build (portable mode)
71      if: steps.avxcheck.outputs.supported == 'false'
72      run: cargo build --workspace --all-targets
73
74    - name: Clippy (portable mode)
75      if: steps.avxcheck.outputs.supported == 'false'
76      run: cargo clippy --workspace --all-targets -- -D warnings
77
78    - name: Tests (portable mode)
79      if: steps.avxcheck.outputs.supported == 'false'
80      run: cargo test --workspace