threading python
import threading
import time
def thread_function(name):
print(f"Thread {name}: starting")
time.sleep(2)
print(f"Thread {name}: finishing")
my_thread = threading.Thread(target=thread_function, args=(1,))
my_thread.start()
time.sleep(1)
my_second_thread = threading.Thread(target=thread_function, args=(2,))
my_second_thread.start()
my_second_thread.join() # Wait until thread finishes to exitpython threading
def myFunction(x, y):
pass
x = threading.Thread(target=myFunction, args=(x, y))
x.start()python threading queue
import threading, queue
q = queue.Queue()
def worker():
while True:
item = q.get()
print(f'Working on {item}')
print(f'Finished {item}')
q.task_done()
# turn-on the worker thread
threading.Thread(target=worker, daemon=True).start()
# send thirty task requests to the worker
for item in range(30):
q.put(item)
print('All task requests sent\n', end='')
# block until all tasks are done
q.join()
print('All work completed')how to thread python
import threading, time
def worker():
"""thread worker function"""
print('Worker')
return
threads = []
for i in range(5):
t = threading.Thread(target=worker)
threads.append(t)
t.start()
print('Thread')python - multiprocessing
import time
from multiprocessing import Process
# My functions (threads)
def my_func_1():...
def my_func_2():...
# Single calculation
start = time.time()
my_func_1()
my_func_2()
print(f'Single thread total time: {time.time() - start}')
# Processes
process = Process(target=my_func_1)
process2 = Process(target=my_func_2)
process.start()
process2.start()
start = time.time() # Start the two processes
process.join() # Wait till processes finish
process2.join()
print(f'Two thread total time: {time.time() - start}')python thread pool
from multiprocessing import Pool
def test( v ):
print(v)
return v
if __name__ == '__main__':
with Pool(2) as p:
print(p.map(test, range(5)))Copyright © 2021 Codeinu
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