[scoreboard] Fix for '?' in A and E columns

Author: aobolensk

scoreboard/main.py

@@ -93,12 +93,14 @@
 
         perf_val = perf_stats.get(dir, {}).get(task_type, "?")
 
-        # Calculate efficiency if performance data is available
+        # Calculate acceleration and efficiency if performance data is available
+        acceleration = "?"
         efficiency = "?"
         try:
             perf_float = float(perf_val)
             if perf_float > 0:
                 speedup = 1.0 / perf_float
+                acceleration = f"{speedup:.2f}"
                 efficiency = f"{speedup / eff_num_proc * 100:.2f}"
         except (ValueError, TypeError):
             pass
@@ -114,7 +116,11 @@
                     "log",
                     "-1",
                     "--format=%ct",
-                    str(tasks_dir / (dir + ("_disabled" if status == "disabled" else "")) / task_type),
+                    str(
+                        tasks_dir
+                        / (dir + ("_disabled" if status == "disabled" else ""))
+                        / task_type
+                    ),
                 ]
                 result = subprocess.run(git_cmd, capture_output=True, text=True)
                 if result.stdout.strip().isdigit():
@@ -130,6 +136,7 @@
                 "solution_points": sol_points,
                 "solution_style": solution_style,
                 "perf": perf_val,
+                "acceleration": acceleration,
                 "efficiency": efficiency,
                 "deadline_points": deadline_points,
                 "plagiarised": is_cheated,

scoreboard/templates/index.html.j2

@@ -36,7 +36,7 @@
             <td>{{ row.task }}</td>
             {% for cell in row.types %}
                 <td style="text-align: center{% if cell.solution_style %};{{ cell.solution_style }}{% endif %}">{{ cell.solution_points }}</td>
-                <td style="text-align: center;background-color: lavender;">{{ cell.perf }}</td>
+                <td style="text-align: center;background-color: lavender;">{{ cell.acceleration }}</td>
                 <td style="text-align: center;background-color: lavender;">{{ cell.efficiency }}</td>
                 <td style="text-align: center;">{{ cell.deadline_points }}</td>
                 <td style="text-align: center{% if cell.plagiarised %}; background-color: pink{% endif %}">{{ cell.plagiarism_points }}</td>