本文整理匯總了Python中tornado.process.cpu_count方法的典型用法代碼示例。如果您正苦於以下問題：Python process.cpu_count方法的具體用法？Python process.cpu_count怎麽用？Python process.cpu_count使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類tornado.process的用法示例。
在下文中一共展示了process.cpu_count方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: run_in_executor
# 需要導入模塊: from tornado import process [as 別名]
# 或者: from tornado.process import cpu_count [as 別名]
def run_in_executor(self, executor, func, *args):
"""Runs a function in a ``concurrent.futures.Executor``. If
``executor`` is ``None``, the IO loop's default executor will be used.
Use `functools.partial` to pass keyword arguments to ``func``.
.. versionadded:: 5.0
"""
if ThreadPoolExecutor is None:
raise RuntimeError(
"concurrent.futures is required to use IOLoop.run_in_executor")
if executor is None:
if not hasattr(self, '_executor'):
from tornado.process import cpu_count
self._executor = ThreadPoolExecutor(max_workers=(cpu_count() * 5))
executor = self._executor
c_future = executor.submit(func, *args)
# Concurrent Futures are not usable with await. Wrap this in a
# Tornado Future instead, using self.add_future for thread-safety.
t_future = Future()
self.add_future(c_future, lambda f: chain_future(f, t_future))
return t_future 示例2: run_in_executor
# 需要導入模塊: from tornado import process [as 別名]
# 或者: from tornado.process import cpu_count [as 別名]
def run_in_executor(
self,
executor: Optional[concurrent.futures.Executor],
func: Callable[..., _T],
*args: Any
) -> Awaitable[_T]:
"""Runs a function in a ``concurrent.futures.Executor``. If
``executor`` is ``None``, the IO loop's default executor will be used.
Use `functools.partial` to pass keyword arguments to ``func``.
.. versionadded:: 5.0
"""
if executor is None:
if not hasattr(self, "_executor"):
from tornado.process import cpu_count
self._executor = concurrent.futures.ThreadPoolExecutor(
max_workers=(cpu_count() * 5)
) # type: concurrent.futures.Executor
executor = self._executor
c_future = executor.submit(func, *args)
# Concurrent Futures are not usable with await. Wrap this in a
# Tornado Future instead, using self.add_future for thread-safety.
t_future = Future() # type: Future[_T]
self.add_future(c_future, lambda f: chain_future(f, t_future))
return t_future