Threading\S01-04-cpu-bound-sync-vs-threading-vs-multiprocessing

Author: M-Taghizadeh

Threading/S01-Thread/S01-04-cpu-bound-sync-vs-threading-vs-multiprocessing.py

@@ -0,0 +1,45 @@
+from time import time
+
+start = time()
+
+def count_down(n):
+    while n > 0:
+        n -= 1
+
+###############################################################
+# Sync : Execution time for example : 17.773974657058716 sec
+count_down(100000000)
+count_down(100000000)
+end = time()
+print(f"Sequential: {end-start}") 
+
+###############################################################
+# Threading : Execution time for example : 20.466705083847046 sec
+from threading import Thread
+
+thread1 = Thread(target=count_down, args=(100000000,))
+thread2 = Thread(target=count_down, args=(100000000,))
+thread1.start()
+thread2.start()
+thread1.join()
+thread2.join()
+
+end = time()
+print(f"Threading: {end-start}")
+
+###############################################################
+# Multiprocessing : Execution time for example : 12.150790929794312 sec
+from multiprocessing import Process
+
+if __name__ == "__main__":
+    p1 = Process(target=count_down, args=(100000000, ))
+    p2 = Process(target=count_down, args=(100000000, ))
+    p1.start()
+    p2.start()
+    p1.join()
+    p2.join()
+
+    end = time()
+    print(f"Multiprocessing: {end-start}")
+
+