Multiprocessing\S01-Process\S01-02-Process-multiprocessing-first-example

Author: M-Taghizadeh

Multiprocessing/S01-Process/S01-02-Process-multiprocessing-first-example.py

@@ -0,0 +1,35 @@
+import multiprocessing
+import time
+
+def some_task(name):
+    print(f"Process {name} Started.")
+    for i in range(0, 100000000):
+        pass
+    print(f"Process {name} Finished.")
+
+if __name__ == "__main__":
+    print(multiprocessing.cpu_count())
+
+    start = time.perf_counter()
+    p1 = multiprocessing.Process(target=some_task, args=("One", ))
+    p2 = multiprocessing.Process(target=some_task, args=("Two", ))
+    p3 = multiprocessing.Process(target=some_task, args=("Three", ))
+    p4 = multiprocessing.Process(target=some_task, args=("Four", ))
+
+    # start Processes 
+    p1.start()
+    p2.start()
+    p3.start()
+    p4.start()
+
+    # join Processes 
+    p1.join()
+    p2.join()
+    p3.join()
+    p4.join()
+
+    end = time.perf_counter()
+    exe_time = end - start
+    print(f"Execution Time: {exe_time} sec")
+
+    # for example: Execution Time: 6.819241099990904 sec