Update benchmark_heap.yml

Author: Yusheng-Hu

.github/workflows/benchmark_heap.yml

@@ -3,37 +3,46 @@ name: Heap Permutation Benchmark
 on:
   push:
     branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
   workflow_dispatch:
 
 jobs:
-  run-heap-perm:
-    name: Build and Benchmark Heap's Algorithm
+  benchmark:
+    name: Build and Profile
     runs-on: ubuntu-latest
 
     steps:
     - name: Checkout Repository
       uses: actions/checkout@v4
 
-    - name: Hardware Diagnostics (CPU Info)
-      # Using '|| true' to prevent exit code 1 if a string is not found
+    - name: Get Hardware Info
+      id: cpu_info
       run: |
-        echo "========== Hardware Environment =========="
-        lscpu | grep "Model name" || true
-        lscpu | grep "CPU MHz" || true
-        echo "------------------------------------------"
-        echo "Full LSCPU Output for Reference:"
-        lscpu
-        echo "=========================================="
+        CPU_MODEL=$(lscpu | grep "Model name" | cut -d':' -f2 | sed 's/^[ \t]*//')
+        echo "CPU_MODEL=$CPU_MODEL" >> $GITHUB_ENV
 
     - name: Compile heap_perm.cpp
-      run: g++ -O3 heap_perm.cpp -o heap_perm_test
+      run: g++ -O3 -std=c++11 heap_perm.cpp -o heap_perm_test -pthread
+
+    - name: Run and Capture Performance
+      run: |
+        # Use /usr/bin/time -f to get exactly what we want: the elapsed seconds
+        # Redirecting algorithm output to /dev/null
+        /usr/bin/time -f "%e" ./heap_perm_test > /dev/null 2> time_output.txt
+        
+        EXEC_TIME=$(cat time_output.txt)
+        
+        # Create a beautiful Markdown Summary
+        echo "### 🚀 Algorithmic Performance Report" >> $GITHUB_STEP_SUMMARY
+        echo "| Detail | Information |" >> $GITHUB_STEP_SUMMARY
+        echo "| :--- | :--- |" >> $GITHUB_STEP_SUMMARY
+        echo "| **Algorithm** | Heap's Permutation (Iterative) |" >> $GITHUB_STEP_SUMMARY
+        echo "| **Target Size (N)** | 12 |" >> $GITHUB_STEP_SUMMARY
+        echo "| **Execution Time** | \`${EXEC_TIME}s\` |" >> $GITHUB_STEP_SUMMARY
+        echo "| **CPU Architecture** | ${{ env.CPU_MODEL }} |" >> $GITHUB_STEP_SUMMARY
+        echo "| **Optimization** | G++ -O3 (Standard CI) |" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "✅ *Benchmark completed in cloud environment.*" >> $GITHUB_STEP_SUMMARY
 
-    - name: Execution and Performance Profiling
-      # If your code requires manual input, it might hang. 
-      # I added 'echo 10 |' as a placeholder to prevent hanging if cin is used.
+    - name: Display Result in Console
       run: |
-        echo "Starting performance profiling..."
-        echo 10 | time ./heap_perm_test > /dev/null
-        echo "Profiling completed."
+        echo "Benchmark finished. Check the 'Summary' tab for the full report."