Teile 10 bis 12.

teil12/multithreading.py

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+from timeit import default_timer as timer
+import time
+import threading
+
+def calc_square(numbers, verbose=False):
+  for n in range(1,numbers):
+    q= n*n
+    if verbose:
+      print(f'\n{n} ^ 2 = {q}')
+    time.sleep(0.1)
+
+def calc_cube(numbers,verbose=False):
+  for n in range(1,numbers):
+    k = n*n*n
+    if verbose:
+      print(f'\n{n} ^ 3 = {k}')
+    time.sleep(0.1)
+
+start = timer()
+
+thread_square = threading.Thread(target=calc_square, args=(100,True))
+thread_cube = threading.Thread(target=calc_cube, args=(100,True))
+
+thread_cube.start()
+thread_square.start()
+
+thread_cube.join()
+thread_square.join()
+ende = timer()
+differenz_mit_print = ende - start
+print(f'Zeit mit print():{differenz_mit_print}s')
+
+start = timer()
+
+thread_square = threading.Thread(target=calc_square, args=(100,False))
+thread_cube = threading.Thread(target=calc_cube, args=(100,False))
+
+thread_cube.start()
+thread_square.start()
+
+thread_cube.join()
+thread_square.join()
+
+ende = timer()
+differenz_ohne_print = ende - start
+print(f'Zeit ohne print():{differenz_ohne_print}s')