这是代码
import concurrent.futures
import time
start = time.perf_counter()
def do_something(seconds):
print(f'Sleeping {seconds} second(s)...')
time.sleep(seconds)
return f'Done Sleeping...{seconds}'
if __name__ == "__main__":
with concurrent.futures.ProcessPoolExecutor() as executor:
secs = [5, 4, 3, 2, 1]
results = executor.map(do_something, secs)
for result in results:
print(result)
finish = time.perf_counter()
print(f'Finished in {round(finish-start, 2)} second(s)')
这是在pycharm里的结果
Finished in 0.0 second(s)
Finished in 0.0 second(s)
Finished in 0.0 second(s)
Finished in 0.0 second(s)
Finished in 0.0 second(s)
Finished in 0.0 second(s)
Sleeping 5 second(s)...
Sleeping 4 second(s)...
Sleeping 3 second(s)...
Finished in 0.0 second(s)
Sleeping 2 second(s)...
Finished in 0.0 second(s)
Sleeping 1 second(s)...
Done Sleeping...5
Done Sleeping...4
Done Sleeping...3
Done Sleeping...2
Done Sleeping...1
Finished in 5.33 second(s)
这是shell里的结果
Done Sleeping...5
Done Sleeping...4
Done Sleeping...3
Done Sleeping...2
Done Sleeping...1
Finished in 5.24 second(s)
另外,正确的结果应该是什么呢?谢谢
不知道你这个问题是否已经解决, 如果还没有解决的话: