python loop run in executor
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1. Python循环在Executor中运行时,可以使用`concurrent.futures`模块中的`ThreadPoolExecutor`或`ProcessPoolExecutor`。
2. `ThreadPoolExecutor`适用于I/O密集型任务,它使用线程来并行执行任务。
3. `ProcessPoolExecutor`适用于CPU密集型任务,它使用进程来并行执行任务。
示例代码:
from concurrent.futures import ThreadPoolExecutor, ProcessPoolExecutor
使用线程池执行循环
with ThreadPoolExecutor(max_workers=5) as executor:
for i in range(10):
executor.submit(print, i)
使用进程池执行循环
with ProcessPoolExecutor(max_workers=5) as executor:
for i in range(10):
executor.submit(print, i)
2. `ThreadPoolExecutor`适用于I/O密集型任务,它使用线程来并行执行任务。
3. `ProcessPoolExecutor`适用于CPU密集型任务,它使用进程来并行执行任务。
示例代码:
from concurrent.futures import ThreadPoolExecutor, ProcessPoolExecutor
使用线程池执行循环
with ThreadPoolExecutor(max_workers=5) as executor:
for i in range(10):
executor.submit(print, i)
使用进程池执行循环
with ProcessPoolExecutor(max_workers=5) as executor:
for i in range(10):
executor.submit(print, i)
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