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deb-python-taskflow/taskflow/utils/threading_utils.py
yangxurong 17bf3db06a Remove extraneous vim configuration comments
Remove line containing

comment - # vim: tabstop=4 shiftwidth=4 softtabstop=4

Change-Id: I7581cc88b8de433d5609ed06c6570b0b45c13573
Closes-Bug:#1229324
2014-02-14 16:56:50 +08:00

37 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import multiprocessing
import six
if six.PY2:
from thread import get_ident # noqa
else:
# In python3+ the get_ident call moved (whhhy??)
from threading import get_ident # noqa
def get_optimal_thread_count():
"""Try to guess optimal thread count for current system."""
try:
return multiprocessing.cpu_count() + 1
except NotImplementedError:
# NOTE(harlowja): apparently may raise so in this case we will
# just setup two threads since its hard to know what else we
# should do in this situation.
return 2