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Merged
chengduoZH merged 3 commits into from
Jun 28, 2019
Merged

Add is_compiled_with_cuda #18356

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771ec83
add cuda_is_available
Jun 26, 2019
6589b10
Fix api.spec
Jun 27, 2019
92b2c1e
fix api doc
Jun 27, 2019
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3 changes: 2 additions & 1 deletion paddle/fluid/API.spec
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Original file line number Diff line number Diff line change
Expand Up @@ -11,9 +11,10 @@ paddle.fluid.default_main_program (ArgSpec(args=[], varargs=None, keywords=None,
paddle.fluid.program_guard (ArgSpec(args=['main_program', 'startup_program'], varargs=None, keywords=None, defaults=(None,)), ('document', '78fb5c7f70ef76bcf4a1862c3f6b8191'))
paddle.fluid.name_scope (ArgSpec(args=['prefix'], varargs=None, keywords=None, defaults=(None,)), ('document', '61660461e1f44e0480ca22fa8a482c41'))
paddle.fluid.cuda_places (ArgSpec(args=['device_ids'], varargs=None, keywords=None, defaults=(None,)), ('document', '7f3068b82fc427bfa04b1af953610992'))
paddle.fluid.cpu_places (ArgSpec(args=['device_count'], varargs=None, keywords=None, defaults=(None,)), ('document', '8b674e9a7ac7944c27fd853b675c2cb2'))
paddle.fluid.cpu_places (ArgSpec(args=['device_count'], varargs=None, keywords=None, defaults=(None,)), ('document', 'dad57e8624794766d770cea905dec1c2'))
paddle.fluid.cuda_pinned_places (ArgSpec(args=['device_count'], varargs=None, keywords=None, defaults=(None,)), ('document', 'cc83b6c5ba8be38ff3ee87e9cec9de5f'))
paddle.fluid.in_dygraph_mode (ArgSpec(args=[], varargs=None, keywords=None, defaults=None), ('document', 'eddb7a1f0083dcc70e9f6c71ee003cb9'))
paddle.fluid.is_compiled_with_cuda (ArgSpec(args=[], varargs=None, keywords=None, defaults=None), ('document', '60c7f107a5050aeb58bb74eb175672b5'))
paddle.fluid.Executor.__init__ (ArgSpec(args=['self', 'place'], varargs=None, keywords=None, defaults=None), ('document', '6adf97f83acf6453d4a6a4b1070f3754'))
paddle.fluid.Executor.close (ArgSpec(args=['self'], varargs=None, keywords=None, defaults=None), ('document', '3a584496aa1343f36eebf3c46b323a74'))
paddle.fluid.Executor.infer_from_dataset (ArgSpec(args=['self', 'program', 'dataset', 'scope', 'thread', 'debug', 'fetch_list', 'fetch_info', 'print_period'], varargs=None, keywords=None, defaults=(None, None, None, 0, False, None, None, 100)), ('document', 'bedc29ad01c1b911e99032ee1e19ac59'))
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20 changes: 18 additions & 2 deletions python/paddle/fluid/framework.py
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Expand Up @@ -44,6 +44,7 @@
'cpu_places',
'cuda_pinned_places',
'in_dygraph_mode',
'is_compiled_with_cuda',
]

EMPTY_VAR_NAME = core.kEmptyVarName()
Expand Down Expand Up @@ -102,6 +103,21 @@ def _cuda_ids():
return device_ids


def is_compiled_with_cuda():
"""
Whether this whl package can be used to run the model on GPU.

Returns (bool): support gpu or not.

Examples:
.. code-block:: python

import paddle.fluid as fluid
support_gpu = fluid.is_compiled_with_cuda()
"""
return core.is_compiled_with_cuda()


def cuda_places(device_ids=None):
"""
Create a list of :code:`fluid.CUDAPlace` objects.
Expand Down Expand Up @@ -145,8 +161,8 @@ def cpu_places(device_count=None):

If :code:`device_count` is None, the device count would
be determined by environment variable :code:`CPU_NUM`.
If :code:`CPU_NUM` is not set, the device count would
be determined by :code:`multiprocessing.cpu_count()`.
If :code:`CPU_NUM` is not set, the default value is 1,
i.e. CPU_NUM=1.

Args:
device_count (None|int): device number.
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