split job to build and benchmark, added OS matrix and concurrent execution to benchmark job

Author: Petr Sramek

.github/workflows/dotnet.yml

@@ -11,7 +11,6 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
@@ -20,7 +19,7 @@ jobs:
       uses: actions/setup-dotnet@v3
       with:
         dotnet-version: 9.x
-    - name: Restore dependencies
+    - name: Restore
       run: dotnet restore
     - name: Build
       run: dotnet build --no-restore
@@ -31,4 +30,28 @@ jobs:
       run: dotnet run -c Release --framework net9.0 --runtimes net9.0 --filter '*DecodeBenchmark*'
     - name: Encode Benchmark
       working-directory: ./benchmarks/PolylineAlgorithm.Benchmarks
-      run: dotnet run -c Release --framework net9.0 --runtimes net9.0 --filter '*EncodeBenchmark*'
+      run: dotnet run -c Release --framework net9.0 --runtimes net9.0 --filter '*EncodeBenchmark*'
+  benchmark:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    runs-on: $
+
+    concurrency:
+      group: becnhmark-group
+      cancel-in-progress: true
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET 9
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 9.x
+    - name: Restore
+      run: dotnet restore
+    - name: Decode Benchmark
+      working-directory: ./benchmarks/PolylineAlgorithm.Benchmarks
+      run: dotnet run -c Release  --no-restore --framework net9.0 --runtimes net9.0 --filter '*DecodeBenchmark*'
+    - name: Encode Benchmark
+      working-directory: ./benchmarks/PolylineAlgorithm.Benchmarks
+      run: dotnet run -c Release  --no-restore --framework net9.0 --runtimes net9.0 --filter '*EncodeBenchmark*'