Update Subspace with CUDA support

.github/workflows/release.yml

@@ -103,6 +103,14 @@ jobs:
         run: brew install libtool
         if: runner.os == 'macOS'
 
+      - name: CUDA toolchain
+        uses: Jimver/cuda-toolkit@9b295696791d75d658d8de64c4a85097ad8abeaf # v0.2.16
+        with:
+          cuda: '12.4.1'
+          method: network
+          sub-packages: '["nvcc", "cudart"]'
+        if: runner.os == 'Linux' || runner.os == 'Windows'
+
       - name: Install Protoc
         uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3.0.0
         with:
@@ -134,26 +142,33 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-cargo-
 
-      - name: Build app (Linux or macOS, modern)
+      - name: Build app (Linux, modern, CUDA)
         env:
           RUSTFLAGS: ${{ matrix.build.modern-rustflags }}
         run: |
-          cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production
+          cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production --features cuda
           mv target/${{ matrix.build.target }}/production/space-acres target/${{ matrix.build.target }}/production/space-acres-modern
-        if: (runner.os == 'Linux' || runner.os == 'macOS') && matrix.build.modern-rustflags
+        if: runner.os == 'Linux' && matrix.build.modern-rustflags
 
-      - name: Build app (Windows, modern)
+      - name: Build app (Windows, modern, CUDA)
         env:
           RUSTFLAGS: ${{ matrix.build.modern-rustflags }}
         run: |
-          cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production
+          cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production --features cuda
           Move-Item -Path target\${{ matrix.build.target }}\production\space-acres.exe -Destination target\${{ matrix.build.target }}\production\space-acres-modern.exe
         if: runner.os == 'Windows' && matrix.build.modern-rustflags
 
-      - name: Build app (normal)
+      - name: Build app (macOS, normal)
         env:
           RUSTFLAGS: ${{ matrix.build.rustflags }}
         run: cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production
+        if: runner.os == 'macOS'
+
+      - name: Build app (Linux or Windows, normal, CUDA)
+        env:
+          RUSTFLAGS: ${{ matrix.build.rustflags }}
+        run: cargo -Zgitoxide -Zgit build --locked -Z build-std --target ${{ matrix.build.target }} --profile production --features cuda
+        if: runner.os == 'Linux' || runner.os == 'Windows'
 
       - name: Create bundle (macOS)
         run: |

.github/workflows/rust.yml

@@ -121,6 +121,14 @@ jobs:
         run: brew install libtool
         if: runner.os == 'macOS'
 
+      - name: CUDA toolchain
+        uses: Jimver/cuda-toolkit@9b295696791d75d658d8de64c4a85097ad8abeaf # v0.2.16
+        with:
+          cuda: '12.4.1'
+          method: network
+          sub-packages: '["nvcc", "cudart"]'
+        if: runner.os == 'Linux' || runner.os == 'Windows'
+
       - name: Install Protoc
         uses: arduino/setup-protoc@c65c819552d16ad3c9b72d9dfd5ba5237b9c906b # v3.0.0
         with:
@@ -150,6 +158,11 @@ jobs:
 
       - name: cargo clippy
         run: cargo -Zgitoxide -Zgit clippy --locked --all-targets -- -D warnings
+        if: runner.os == 'macOS'
+
+      - name: cargo clippy
+        run: cargo -Zgitoxide -Zgit clippy --locked --all-targets --features cuda -- -D warnings
+        if: runner.os == 'Linux' || runner.os == 'Windows'
 
   cargo-test:
     strategy: