/
__init__.py
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/
__init__.py
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# Copyright (c) 2022 PaddlePaddle Authors. 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.
from paddle.base import core
from paddle.utils import deprecated
__all__ = [
'synchronize',
]
@deprecated(
since="2.5.0",
update_to="paddle.device.synchronize",
level=1,
reason="synchronize in paddle.device.xpu will be removed in future",
)
def synchronize(device=None):
"""
Wait for the compute on the given XPU device to finish.
Parameters:
device(paddle.XPUPlace()|int, optional): The device or the ID of the device.
If device is None, the device is the current device. Default: None.
Examples:
.. code-block:: python
>>> # doctest: +REQUIRES(env:XPU)
>>> import paddle
>>> paddle.device.set_device('xpu')
>>> paddle.device.xpu.synchronize()
>>> paddle.device.xpu.synchronize(0)
>>> paddle.device.xpu.synchronize(paddle.XPUPlace(0))
"""
device_id = -1
if device is not None:
if isinstance(device, int):
device_id = device
elif isinstance(device, core.XPUPlace):
device_id = device.get_device_id()
else:
raise ValueError("device type must be int or paddle.XPUPlace")
return core._xpu_device_synchronize(device_id)
def device_count():
'''
Return the number of XPUs available.
Returns:
int: the number of XPUs available.
Examples:
.. code-block:: python
>>> import paddle
>>> paddle.device.xpu.device_count()
'''
num_xpus = (
core.get_xpu_device_count()
if hasattr(core, 'get_xpu_device_count')
else 0
)
return num_xpus