move windows x86_64 builds to PGO

Author: davidhewitt

.github/workflows/ci.yml

@@ -359,11 +359,13 @@ jobs:
             container: messense/manylinux_2_24-cross:s390x
             interpreter: 3.7 3.8 3.9 3.10 3.11
         exclude:
-          # Optimized PGO builds for manylinux follow a different matrix, maybe in future
-          # maturin-action can support this automatically
+          # Optimized PGO builds for x86_64 manylinux and windows follow a different matrix,
+          # maybe in future maturin-action can support this automatically
           - os: ubuntu
             target: x86_64
             manylinux: auto
+          - os: windows
+            target: x86_64
           # Windows on arm64 only supports Python 3.11+
           - os: windows
             target: aarch64
@@ -409,11 +411,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu]
-        platform: [linux]
+        os: [ubuntu, windows]
         target: [x86_64]
         manylinux: [auto]
         interpreter: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.7", "pypy3.8", "pypy3.9"]
+        include:
+          - os: ubuntu
+            platform: linux
 
     runs-on: ${{ matrix.os }}-latest
     steps:
@@ -449,13 +453,20 @@ jobs:
           rust-toolchain: stable
           docker-options: -e CI
 
+      - name: detect rust host
+        run: echo RUST_HOST=$(rustc -Vv | grep host | cut -d ' ' -f 2) >> "$GITHUB_ENV"
+        shell: bash
+
       - name: generate pgo data
         run: |
           pip install -U pip
           pip install -r tests/requirements.txt
           pip install pydantic-core --no-index --no-deps --find-links pgo-wheel --force-reinstall
           pytest tests/benchmarks
-          rustup run stable bash -c '$RUSTUP_HOME/toolchains/$RUSTUP_TOOLCHAIN/lib/rustlib/x86_64-unknown-linux-gnu/bin/llvm-profdata merge -o ${{ github.workspace }}/merged.profdata ${{ github.workspace }}/profdata'
+          rustup run stable bash -c 'echo LLVM_PROFDATA=$RUSTUP_HOME/toolchains/$RUSTUP_TOOLCHAIN/lib/rustlib/${{ env.RUST_HOST }}/bin/llvm-profdata >> "$GITHUB_ENV"'
+
+      - name: merge pgo data
+        run: ${{ env.LLVM_PROFDATA }} merge -o ${{ github.workspace }}/merged.profdata ${{ github.workspace }}/profdata
 
       - name: build pgo-optimized wheel
         uses: PyO3/maturin-action@v1