diff --git a/paddle/fluid/API.spec b/paddle/fluid/API.spec index 550aeafc4ca594100b7d3d0dbea4fd65ebfdf609..d5c00df555ed596f31f5b4753fc4aa206b80d96c 100644 --- a/paddle/fluid/API.spec +++ b/paddle/fluid/API.spec @@ -10,17 +10,17 @@ paddle.fluid.default_startup_program (ArgSpec(args=[], varargs=None, keywords=No paddle.fluid.default_main_program (ArgSpec(args=[], varargs=None, keywords=None, defaults=None), ('document', '5430f54ab4895f9f47db6bebbaf71659')) paddle.fluid.program_guard (ArgSpec(args=['main_program', 'startup_program'], varargs=None, keywords=None, defaults=(None,)), ('document', 'ae5f806f082cfaeaa5194cacc253a5e4')) 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', '7d9a51fc9cf3c5245b5227080a8064c3')) -paddle.fluid.cpu_places (ArgSpec(args=['device_count'], varargs=None, keywords=None, defaults=(None,)), ('document', '4c0cd83f0b401fc2ff84c70974e5d210')) -paddle.fluid.cuda_pinned_places (ArgSpec(args=['device_count'], varargs=None, keywords=None, defaults=(None,)), ('document', 'd0c3ebd813c39958c92b78e3eef7e912')) -paddle.fluid.in_dygraph_mode (ArgSpec(args=[], varargs=None, keywords=None, defaults=None), ('document', 'f06314a1cb30c96b5808dde2219c2dae')) +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.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.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', '9c7decb955b9c4f718114179c8985581')) paddle.fluid.Executor.run (ArgSpec(args=['self', 'program', 'feed', 'fetch_list', 'feed_var_name', 'fetch_var_name', 'scope', 'return_numpy', 'use_program_cache'], varargs=None, keywords=None, defaults=(None, None, None, 'feed', 'fetch', None, True, False)), ('document', '4cfcd9c15b766a51b584cc46d38f1ad8')) paddle.fluid.Executor.train_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', 'd521011d79e71080fe9b5bb179b43518')) paddle.fluid.global_scope (ArgSpec(args=[], varargs=None, keywords=None, defaults=None), ('document', 'f65788d9ead293ada47551339df12203')) -paddle.fluid.scope_guard (ArgSpec(args=['scope'], varargs=None, keywords=None, defaults=None), ('document', 'e480208ccc0c9abf084867206dab4d2c')) +paddle.fluid.scope_guard (ArgSpec(args=['scope'], varargs=None, keywords=None, defaults=None), ('document', '6e19f92e2f185320a3a86b77e85eb3b3')) paddle.fluid.DistributeTranspiler.__init__ (ArgSpec(args=['self', 'config'], varargs=None, keywords=None, defaults=(None,)), ('document', '6adf97f83acf6453d4a6a4b1070f3754')) paddle.fluid.DistributeTranspiler.get_pserver_program (ArgSpec(args=['self', 'endpoint'], varargs=None, keywords=None, defaults=None), ('document', '292ab72977afbe58e6a3bde175452680')) paddle.fluid.DistributeTranspiler.get_pserver_programs (ArgSpec(args=['self', 'endpoint'], varargs=None, keywords=None, defaults=None), ('document', '78f4949aedf317666a89ca74b3748ba8')) @@ -509,7 +509,7 @@ paddle.fluid.optimizer.DGCMomentumOptimizer.apply_optimize (ArgSpec(args=['self' paddle.fluid.optimizer.DGCMomentumOptimizer.backward (ArgSpec(args=['self', 'loss', 'startup_program', 'parameter_list', 'no_grad_set', 'callbacks'], varargs=None, keywords=None, defaults=(None, None, None, None)), ('document', 'ba3a113d0229ff7bc9d39bda0a6d947f')) paddle.fluid.optimizer.DGCMomentumOptimizer.get_opti_var_name_list (ArgSpec(args=['self'], varargs=None, keywords=None, defaults=None), ('document', '6adf97f83acf6453d4a6a4b1070f3754')) paddle.fluid.optimizer.DGCMomentumOptimizer.minimize (ArgSpec(args=['self', 'loss', 'startup_program', 'parameter_list', 'no_grad_set'], varargs=None, keywords=None, defaults=(None, None, None)), ('document', '35fd5d3330c97903528c7e0dacc7f6ea')) -paddle.fluid.backward.append_backward (ArgSpec(args=['loss', 'parameter_list', 'no_grad_set', 'callbacks'], varargs=None, keywords=None, defaults=(None, None, None)), ('document', '1a79bd7d10ae54ca763ec81bca36ba24')) +paddle.fluid.backward.append_backward (ArgSpec(args=['loss', 'parameter_list', 'no_grad_set', 'callbacks'], varargs=None, keywords=None, defaults=(None, None, None)), ('document', '08a5dd9f6f376ff3d55e0b1d92115cbd')) paddle.fluid.regularizer.L1DecayRegularizer.__init__ (ArgSpec(args=['self', 'regularization_coeff'], varargs=None, keywords=None, defaults=(0.0,)), ('document', '6adf97f83acf6453d4a6a4b1070f3754')) paddle.fluid.regularizer.L2DecayRegularizer.__init__ (ArgSpec(args=['self', 'regularization_coeff'], varargs=None, keywords=None, defaults=(0.0,)), ('document', '6adf97f83acf6453d4a6a4b1070f3754')) paddle.fluid.LoDTensor.__init__ 1. __init__(self: paddle.fluid.core.LoDTensor, arg0: List[List[int]]) -> None 2. __init__(self: paddle.fluid.core.LoDTensor) -> None diff --git a/paddle/fluid/pybind/pybind.cc b/paddle/fluid/pybind/pybind.cc index 3604b8b88a76a1adbbc5f33109fb874b43685917..1b595b010ff82395492a1ddf73856a369efecbf0 100644 --- a/paddle/fluid/pybind/pybind.cc +++ b/paddle/fluid/pybind/pybind.cc @@ -868,6 +868,12 @@ All parameter, weight, gradient are variables in Paddle. CUDAPlace is a descriptor of a device. It represents a GPU, and each CUDAPlace has a dev_id to indicate the number of cards represented by the current CUDAPlace. The memory of CUDAPlace with different dev_id is not accessible. + + Examples: + .. code-block:: python + + gpu_place = fluid.CUDAPlace(0) + )DOC") .def("__init__", [](platform::CUDAPlace &self, int dev_id) { @@ -892,6 +898,12 @@ All parameter, weight, gradient are variables in Paddle. py::class_(m, "CPUPlace", R"DOC( CPUPlace is a descriptor of a device. It represents a CPU, and the memory CPUPlace can be accessed by CPU. + + Examples: + .. code-block:: python + + cpu_place = fluid.CPUPlace() + )DOC") .def(py::init<>()) .def("_type", &PlaceIndex) @@ -905,6 +917,12 @@ All parameter, weight, gradient are variables in Paddle. py::class_(m, "CUDAPinnedPlace", R"DOC( CUDAPinnedPlace is a descriptor of a device. The memory of CUDAPinnedPlace can be accessed by GPU and CPU. + + Examples: + .. code-block:: python + + place = fluid.CUDAPinnedPlace() + )DOC") .def("__init__", [](platform::CUDAPinnedPlace &self) { diff --git a/python/paddle/fluid/backward.py b/python/paddle/fluid/backward.py index 9400eaadaa65b63f52513b43f76b3f06b731460d..41f9016edcb0964b4a95c10e257d10d548306ee8 100644 --- a/python/paddle/fluid/backward.py +++ b/python/paddle/fluid/backward.py @@ -457,7 +457,13 @@ def append_backward(loss, parameter_list=None, no_grad_set=None, .. code-block:: python # network configuration code - # ... + # loss from ... + x = fluid.layers.data(name='x', shape=[13], dtype='float32') + y = fluid.layers.data(name='y', shape=[1], dtype='float32') + + y_predict = fluid.layers.fc(input=x, size=1, act=None) + loss = fluid.layers.square_error_cost(input=y_predict, label=y) + avg_loss = fluid.layers.mean(loss) param_grad_list = fluid.backward.append_backward(loss=avg_loss) """ diff --git a/python/paddle/fluid/executor.py b/python/paddle/fluid/executor.py index 53cf1e6743262afee5a93b708d35ffe296874377..0b2d4f29ed289c0346b94a6aeea7128ea2b7a027 100644 --- a/python/paddle/fluid/executor.py +++ b/python/paddle/fluid/executor.py @@ -66,20 +66,20 @@ def scope_guard(scope): Change the global/default scope instance by Python `with` statement. All variable in runtime will assigned to the new scope. + Args: + scope: The new global/default scope. + Examples: .. code-block:: python - import paddle.fluid as fluid - import numpy - - new_scope = fluid.Scope() - with fluid.scope_guard(new_scope): - fluid.global_scope().var("data").get_tensor().set(numpy.ones((2, 2)), fluid.CPUPlace()) - numpy.array(new_scope.find_var("data").get_tensor()) + import numpy - Args: - scope: The new global/default scope. + new_scope = fluid.Scope() + with fluid.scope_guard(new_scope): + fluid.global_scope().var("data").get_tensor().set(numpy.ones((2, 2)), fluid.CPUPlace()) + numpy.array(new_scope.find_var("data").get_tensor()) """ + ex = _switch_scope(scope) yield _switch_scope(ex) diff --git a/python/paddle/fluid/framework.py b/python/paddle/fluid/framework.py index 1a2a2c57758e95ee11c5bb858b544bfd92b0623c..806499ca2e8b73562a79a3c60a05234c33b45fe8 100644 --- a/python/paddle/fluid/framework.py +++ b/python/paddle/fluid/framework.py @@ -81,9 +81,19 @@ _dygraph_current_expected_place_ = None def in_dygraph_mode(): - ''' - Returns(bool): True if the program is running in dynamic graph mode - ''' + """ + Check program status(tracer), Whether it runs in dygraph mode or not + + Returns: + out (boolean): True if the program is running in dynamic graph mode + + Examples: + .. code-block:: python + + if fluid.in_dygraph_mode(): + pass + + """ return _dygraph_tracer_ is not None @@ -100,7 +110,7 @@ def _cpu_num(): def cuda_places(device_ids=None): - ''' + """ Create a list of :code:`fluid.CUDAPlace` objects. If :code:`device_ids` is None, environment variable of @@ -120,7 +130,13 @@ def cuda_places(device_ids=None): Returns: out (list(fluid.CUDAPlace)): gpu place list. - ''' + + Examples: + .. code-block:: python + + cuda_places = fluid.cuda_places() + + """ assert core.is_compiled_with_cuda(), \ "Not compiled with CUDA" if device_ids is None: @@ -135,7 +151,7 @@ def cuda_places(device_ids=None): def cpu_places(device_count=None): - ''' + """ Create a list of :code:`fluid.CPUPlace` objects. If :code:`device_count` is None, the device count would @@ -148,14 +164,20 @@ def cpu_places(device_count=None): Returns: out (list(fluid.CPUPlace)): cpu place list. - ''' + + Examples: + .. code-block:: python + + cpu_places = fluid.cpu_places() + """ + if device_count is None: device_count = _cpu_num() return [core.CPUPlace()] * device_count def cuda_pinned_places(device_count=None): - ''' + """ Create a list of :code:`fluid.CUDAPinnedPlace` objects. If :code:`device_count` is None, the device count would @@ -168,7 +190,15 @@ def cuda_pinned_places(device_count=None): Returns: out (list(fluid.CUDAPinnedPlace)): cuda pinned place list. - ''' + + Examples: + .. code-block:: python + + cuda_pinned_places_cpu_num = fluid.cuda_pinned_places() + # or + cuda_pinned_places = fluid.cuda_pinned_places(1) + + """ assert core.is_compiled_with_cuda(), \ "Not compiled with CUDA" if device_count is None: