Added some Continuous Benchmarking

.github/workflows/ci-bdnbenchmark.yml

@@ -66,4 +66,24 @@ jobs:
           path: |
             ./test/BDNPerfTests/errorlog
         if: ${{ always() }}
-
+
+      # Download previous benchmark result from cache (if exists)
+      - name: Download previous benchmark data
+        uses: actions/cache@v4
+        with:
+          path: ./cache
+          key: ${{ runner.os }}-benchmark
+      # Run `github-action-benchmark` action
+      - name: Store benchmark result
+        uses: benchmark-action/github-action-benchmark@v1
+        with:
+          # What benchmark tool the output.txt came from
+          tool: 'benchmarkdotnet'
+          # Where the output from the benchmark tool is stored
+          output-file-path: ./test/BDNPerfTests/results/ResultsDir-${{ matrix.os }}-${{ matrix.framework }}-${{ matrix.configuration }}-${{ matrix.test }}
+          # Where the previous data file is stored
+          external-data-json-path: ./cache/benchmark-data.json
+          # Workflow will fail when an alert happens
+          fail-on-alert: true
+      # Upload the updated cache file for the next job by actions/cache
+