Python创建多个线程并创建处理时间

Question

I am getting an error when I run my code: "threads can only be started once"

it has to do with my for I in range(10)

I kill the threads right after I start it so in theory all threads should be killed before going back into the next loop to create another set of threads.

What I am trying to do is to get the time it takes to run a thread

def __startThreads__(self):
        print("How Many =", self.howMany)
        start1 = time()
        for i in range(10):
            start2 = time()
            for i in range(self.howMany):
                self.threads.append( ThreadEntity( str(i), iAmTheProgramCode ) )
            for each in self.threads: 
                each.start()
            for each in self.threads:
                each.killThreadEntity()
            stop2 = time()
            threadtime = stop2 - start2
            print(threadtime)
        stop1 = time()
        threadTotalTime = stop1 - start1
        print(threadTotalTime)

Answer 1

you can't start a thread after you killed it.

you iterate over self.threads 10 times ( for i in range(10) ). and in each iteration you start all the threads in it (and append some new ones but you also iterate over the previous which were killed).

I think that what you ment to do is to empty the threads list before each iteration.

try add the next line after for i in range(10) :

self.threads = []