update test cases 2

2/benchmark.py

@@ -12,52 +12,64 @@ def run_test(n, threads, threshold):
     _, err = process.communicate()
     for line in err.split("\n"):
         if "STAT:" in line:
-            return float(line.split("time=")[1])
-    return 0
+            try:
+                # 1. Берем часть после "time=" -> "0.010061 sec"
+                # 2. .split() разбивает по пробелу на ["0.010061", "sec"]
+                # 3. [0] берет первый элемент -> "0.010061"
+                time_value = line.split("time=")[1].split()[0]
+                return float(time_value)
+            except (IndexError, ValueError):
+                continue
+    return 0.0
 
 
 def build_benchmark():
-    n_size = 500000
-    threshold = 10000
-    thread_counts = [0, 1, 2, 4, 8, 12, 16]
-    times = []
+    data_sizes = {
+        "Small (10^5)": 100000,
+        "Medium (2*10^6)": 2000000,
+        "Large (5*10^6)": 5000000,
+    }
 
-    print(f"Запуск бенчмарка (N={n_size}, Порог={threshold})...")
+    threshold = 10000
+    thread_counts = [1, 2, 4, 8, 12, 16]
+
+    plt.figure(figsize=(14, 6))
+    ax1 = plt.subplot(1, 2, 1)
+    ax2 = plt.subplot(1, 2, 2)
+
+    for label, n_size in data_sizes.items():
+        times = []
+        print(f"\nТестирование: {label}...")
         for t in thread_counts:
             t_exec = run_test(n_size, t, threshold)
             times.append(t_exec)
             print(f"  Потоков: {t} | Время: {t_exec:.4f}с")
 
-    plt.figure(figsize=(12, 5))
-
-    plt.subplot(1, 2, 1)
-    plt.plot(thread_counts, times, "o-", color="blue", label="Фактическое время")
-    plt.xlabel("Потоки")
-    plt.ylabel("Время (сек)")
-    plt.title("Время выполнения")
-    plt.grid(True)
-
-    plt.subplot(1, 2, 2)
+        ax1.plot(thread_counts, times, "o-", label=label)
         t_seq = times[0]
         speedup = [t_seq / x if x > 0 else 1 for x in times]
-    plt.plot(thread_counts, speedup, "s-", color="green", label="Ускорение")
-    plt.plot(
-        thread_counts,
-        [x if x > 0 else 1 for x in thread_counts],
-        "--",
-        color="red",
-        alpha=0.5,
+        ax2.plot(thread_counts, speedup, "s-", label=label)
+
+    ax1.set_xlabel("Потоки")
+    ax1.set_ylabel("Время (сек)")
+    ax1.set_title("Время выполнения")
+    ax1.legend()
+    ax1.grid(True)
+
+    ax2.plot(
+        thread_counts, thread_counts, "--", color="black", alpha=0.3, label="Идеал"
     )
-    plt.xlabel("Потоки")
-    plt.ylabel("Ускорение S")
-    plt.title("Масштабируемость")
-    plt.grid(True)
+    ax2.set_xlabel("Потоки")
+    ax2.set_ylabel("Ускорение")
+    ax2.set_title("Масштабируемость")
+    ax2.legend()
+    ax2.grid(True)
 
     plt.tight_layout()
+    os.makedirs("out", exist_ok=True)
     plt.savefig("out/performance_results.png")
+    print("\nГрафик производительности сохранен в out/performance_results.png")
 
 
 if __name__ == "__main__":
-    if not os.path.exists("out"):
-        os.makedirs("out")
     build_benchmark()