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Doubt: multiprocessing basic example
source link: https://dev.to/pr_space/doubt-multiprocessing-basic-example-eg9
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Issue: Multiprocessing basic example running in sequential order rather than parallel in jupyter notebook
Question: Use multiprocessing to create three separate processes. Make each one wait a random number of seconds between one and five, print the current time, and then exit.
# 6) Use multiprocessing to create three separate processes. Make each one wait a random number
# of seconds between one and five, print the current time, and then exit.
import multiprocessing,time,datetime
import zoo
# from zoo
# def process1():
# t1 = random.randint(1,5)
# print("Waiting for "+str(t1)+" seconds")
# time.sleep(t1)
# print(datetime.datetime.now())
start = time.time()
process1 = zoo.process1()
process2 = zoo.process1()
process3 = zoo.process1()
print(datetime.datetime.now())
if __name__=="__main__":
p1 = multiprocessing.Process(target=process1)
p2 = multiprocessing.Process(target=process2)
p3 = multiprocessing.Process(target=process3)
p1.start()
p2.start()
p3.start()
p1.join()
p2.join()
p3.join()
end = time.time()
print("It takes " +str(end-start)+" seconds")
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