feat: Semaine 9

Semaine_09/Threading_Process/main.py

@@ -0,0 +1,68 @@
+"""
+IO-bound  : le CPU ne fait rien, il attend. Requêtes API/DB/fichiers
+CPU-bound : le CPU est sollicité
+"""
+
+import os, time
+from threading import Thread, current_thread
+from multiprocessing import Process, current_process
+
+COUNT = 200000000
+SLEEP = 10
+
+def io_bound(sec):
+    pid = os.getpid()
+    thread_name = current_thread().name
+    process_name = current_process().name
+    print(f"{pid} - {process_name} - {thread_name} => Start sleeping...")
+    time.sleep(sec)
+    print(f"{pid} - {process_name} - {thread_name} => Stop sleeping...")
+
+def cpu_bound(n):
+    pid = os.getpid()
+    thread_name = current_thread().name
+    process_name = current_process().name
+    print(f"{pid} - {process_name} - {thread_name} => Start counting...")
+    while n > 0:
+        n -= 1
+    print(f"{pid} - {process_name} - {thread_name} => Stop counting...")
+
+if __name__ == "__main__":
+    start_time = time.perf_counter()
+
+    # io_bound(SLEEP)
+    # io_bound(SLEEP)
+
+    # t1 = Thread(target= io_bound, args= (SLEEP, ))
+    # t2 = Thread(target= io_bound, args= (SLEEP, ))
+    # t1.start()
+    # t2.start()
+    # t1.join()
+    # t2.join()
+
+    # cpu_bound(COUNT)
+    # cpu_bound(COUNT)
+
+    # t1 = Thread(target= cpu_bound, args= (COUNT, ))
+    # t2 = Thread(target= cpu_bound, args= (COUNT, ))
+    # t1.start()
+    # t2.start()
+    # t1.join()
+    # t2.join()
+
+    t1 = Process(target= cpu_bound, args= (COUNT, ))
+    t2 = Process(target= cpu_bound, args= (COUNT, ))
+    t1.start()
+    t2.start()
+    t1.join()
+    t2.join()
+
+    end_time = time.perf_counter()
+    print(f"Time taken in seconds - {end_time - start_time}")
+
+"""
+                     Tâches IO-bound    => Threading
+                    Tâches CPU-bound    => Multiprocessing
+IO-bound avec connexions simultanées    => asyncio
+"""
+