Add benchmarks comparing job

.github/workflows/osrm-backend.yml

@@ -359,20 +359,20 @@ jobs:
   #       key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
   #       restore-keys: |
   #         ${{ runner.os }}-node-
-  #   - name: Enable compiler cache
-  #     uses: actions/cache@v3
-  #     with:
-  #       path: ~/.ccache
-  #       key: ccache-${{ matrix.name }}-${{ github.sha }}
-  #       restore-keys: |
-  #         ccache-${{ matrix.name }}-
-  #   - name: Enable Conan cache
-  #     uses: actions/cache@v3
-  #     with:
-  #       path: ~/.conan
-  #       key: v9-conan-${{ matrix.name }}-${{ github.sha }}
-  #       restore-keys: |
-  #         v9-conan-${{ matrix.name }}-
+    # - name: Enable compiler cache
+    #   uses: actions/cache@v3
+    #   with:
+    #     path: ~/.ccache
+    #     key: ccache-${{ matrix.name }}-${{ github.sha }}
+    #     restore-keys: |
+    #       ccache-${{ matrix.name }}-
+    # - name: Enable Conan cache
+    #   uses: actions/cache@v3
+    #   with:
+    #     path: ~/.conan
+    #     key: v9-conan-${{ matrix.name }}-${{ github.sha }}
+    #     restore-keys: |
+    #       v9-conan-${{ matrix.name }}-
   #   - name: Enable test cache
   #     uses: actions/cache@v3
   #     with:
@@ -611,12 +611,26 @@ jobs:
       PR_NUMBER: ${{ github.event.pull_request.number }}
       GITHUB_REPOSITORY: ${{ github.repository }}
     steps: 
+    - name: Enable compiler cache
+      uses: actions/cache@v3
+      with:
+        path: ~/.ccache
+        key: v1-ccache-benchmarks-${{ github.sha }}
+        restore-keys: |
+          v1-ccache-benchmarks-
+    - name: Enable Conan cache
+      uses: actions/cache@v3
+      with:
+        path: ~/.conan
+        key: v1-conan-benchmarks-${{ github.sha }}
+        restore-keys: |
+          v1-conan-benchmarks-
       - name: Checkout PR Branch
         uses: actions/checkout@v3
         with:
           ref: ${{ github.head_ref }}
           path: pr
-      - run: pip install "conan<2.0.0"
+      - run: python3 -m pip install "conan<2.0.0" "requests==2.31.0"
       - name: Build
         run: |
           mkdir -p pr/build
@@ -628,7 +642,7 @@ jobs:
           make -C test/data 
       - name: Run Benchmark on Master Branch
         run: |
-          ./pr/build/src/benchmarks/match-bench ../test/data/mld/monaco.osrm mld > pr_bench.txt
+          ./pr/build/src/benchmarks/match-bench ./pr/test/data/mld/monaco.osrm mld > pr_bench.txt
       - name: Checkout Master Branch
         uses: actions/checkout@v3
         with:
@@ -645,7 +659,7 @@ jobs:
           make -C test/data 
       - name: Run Benchmark on Master Branch
         run: |
-          ./master/build/src/benchmarks/match-bench ../test/data/mld/monaco.osrm mld > master_bench.txt
+          ./master/build/src/benchmarks/match-bench ./master/test/data/mld/monaco.osrm mld > master_bench.txt
       - name: Compare Benchmarks
         run: |
           cat pr_bench.txt

scripts/ci/post_benchmark_results.py

@@ -1,10 +1,10 @@
 import requests
 import os
+import re
 
-# GitHub token and repository details
-GITHUB_TOKEN = os.getenv('GITHUB_TOKEN')  # Ensure this token has repo and workflow permissions
-REPO = os.getenv('GITHUB_REPOSITORY')
-PR_NUMBER = os.getenv('PR_NUMBER')  # Ensure this is set in the GitHub Actions environment
+GITHUB_TOKEN = os.getenv('GITHUB_TOKEN')
+REPO = os.getenv('GITHUB_REPOSITORY')  
+PR_NUMBER = os.getenv('PR_NUMBER')
 
 REPO_OWNER, REPO_NAME = REPO.split('/')
 
@@ -36,15 +36,26 @@ def update_comment(comment_id, repo_owner, repo_name, body):
 
 def main():
     comments = get_pr_comments(REPO_OWNER, REPO_NAME, PR_NUMBER)
-    if comments:
+    if comments and len(comments) > 0:
         first_comment = comments[0]
         markdown_table = create_markdown_table(benchmark_results)
-        new_body = f"{first_comment['body']}\n\n### Benchmark Results\n{markdown_table}"
-        update_comment(first_comment['id'], REPO_OWNER, REPO_NAME, new_body)
+        new_benchmark_section = f"<!-- BENCHMARK_RESULTS_START -->\n## Benchmark Results\n{markdown_table}\n<!-- BENCHMARK_RESULTS_END -->"
+
+        if re.search(r'<!-- BENCHMARK_RESULTS_START -->.*<!-- BENCHMARK_RESULTS_END -->', first_comment['body'], re.DOTALL):
+            updated_body = re.sub(
+                r'<!-- BENCHMARK_RESULTS_START -->.*<!-- BENCHMARK_RESULTS_END -->',
+                new_benchmark_section,
+                first_comment['body'],
+                flags=re.DOTALL
+            )
+        else:
+            updated_body = f"{first_comment['body']}\n\n{new_benchmark_section}"
+        
+        update_comment(first_comment['id'], REPO_OWNER, REPO_NAME, updated_body)
         print("PR comment updated successfully.")
     else:
         print("No comments found on this PR.")
         exit(1)
 
 if __name__ == "__main__":
-    main()
+    main()