From ffcb6537c566b3a183a7387906bf8f7db0d1dfb7 Mon Sep 17 00:00:00 2001 From: LielinJiang <50691816+LielinJiang@users.noreply.github.com> Date: Wed, 5 Aug 2020 22:38:43 +0800 Subject: [PATCH] Add uncombined_weight_to_state_dict api (#25649) * add uncombined_weight_to_state_dict API --- python/paddle/incubate/hapi/__init__.py | 2 + .../test_uncombined_weight2state_dict.py | 126 ++++++++++++++ python/paddle/incubate/hapi/utils.py | 158 ++++++++++++++++++ 3 files changed, 286 insertions(+) create mode 100644 python/paddle/incubate/hapi/tests/test_uncombined_weight2state_dict.py diff --git a/python/paddle/incubate/hapi/__init__.py b/python/paddle/incubate/hapi/__init__.py index 94b6d1c633..a6b5faef57 100644 --- a/python/paddle/incubate/hapi/__init__.py +++ b/python/paddle/incubate/hapi/__init__.py @@ -25,6 +25,7 @@ from . import datasets from . import distributed from . import vision from . import text +from . import utils from . import device from .device import * @@ -41,6 +42,7 @@ __all__ = [ 'metrics', 'vision', 'text', + 'utils', ] + model.__all__ + device.__all__ monkey_patch_layer() diff --git a/python/paddle/incubate/hapi/tests/test_uncombined_weight2state_dict.py b/python/paddle/incubate/hapi/tests/test_uncombined_weight2state_dict.py new file mode 100644 index 0000000000..c2035a8b5c --- /dev/null +++ b/python/paddle/incubate/hapi/tests/test_uncombined_weight2state_dict.py @@ -0,0 +1,126 @@ +# copyright (c) 2020 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 __future__ import division +from __future__ import print_function + +import unittest + +import numpy as np +import shutil +import tempfile + +from paddle import fluid +from paddle.nn import Conv2D, Pool2D, Linear, ReLU, Sequential + +from paddle.incubate.hapi.utils import uncombined_weight_to_state_dict + + +class LeNetDygraph(fluid.dygraph.Layer): + def __init__(self, num_classes=10, classifier_activation='softmax'): + super(LeNetDygraph, self).__init__() + self.num_classes = num_classes + self.features = Sequential( + Conv2D( + 1, 6, 3, stride=1, padding=1), + ReLU(), + Pool2D(2, 'max', 2), + Conv2D( + 6, 16, 5, stride=1, padding=0), + ReLU(), + Pool2D(2, 'max', 2)) + + if num_classes > 0: + self.fc = Sequential( + Linear(400, 120), + Linear(120, 84), + Linear( + 84, 10, act=classifier_activation)) + + def forward(self, inputs): + x = self.features(inputs) + + if self.num_classes > 0: + x = fluid.layers.flatten(x, 1) + x = self.fc(x) + return x + + +class TestUncombinedWeight2StateDict(unittest.TestCase): + @classmethod + def setUpClass(cls): + cls.save_dir = tempfile.mkdtemp() + + @classmethod + def tearDownClass(cls): + shutil.rmtree(cls.save_dir) + + def test_infer(self): + start_prog = fluid.Program() + train_prog = fluid.Program() + + x = fluid.data(name='x', shape=[None, 1, 28, 28], dtype='float32') + + with fluid.program_guard(train_prog, start_prog): + with fluid.unique_name.guard(): + x = fluid.data( + name='x', shape=[None, 1, 28, 28], dtype='float32') + model = LeNetDygraph() + output = model.forward(x) + + excutor = fluid.Executor() + excutor.run(start_prog) + + test_prog = train_prog.clone(for_test=True) + + fluid.io.save_params(excutor, self.save_dir, test_prog) + + rand_x = np.random.rand(1, 1, 28, 28).astype('float32') + out = excutor.run(program=test_prog, + feed={'x': rand_x}, + fetch_list=[output.name], + return_numpy=True) + + state_dict = uncombined_weight_to_state_dict(self.save_dir) + + key2key_dict = { + 'features.0.weight': 'conv2d_0.w_0', + 'features.0.bias': 'conv2d_0.b_0', + 'features.3.weight': 'conv2d_1.w_0', + 'features.3.bias': 'conv2d_1.b_0', + 'fc.0.weight': 'linear_0.w_0', + 'fc.0.bias': 'linear_0.b_0', + 'fc.1.weight': 'linear_1.w_0', + 'fc.1.bias': 'linear_1.b_0', + 'fc.2.weight': 'linear_2.w_0', + 'fc.2.bias': 'linear_2.b_0' + } + + fluid.enable_imperative() + dygraph_model = LeNetDygraph() + + converted_state_dict = dygraph_model.state_dict() + for k1, k2 in key2key_dict.items(): + converted_state_dict[k1] = state_dict[k2] + + dygraph_model.set_dict(converted_state_dict) + + dygraph_model.eval() + dy_out = dygraph_model(fluid.dygraph.to_variable(rand_x)) + + np.testing.assert_allclose(dy_out.numpy(), out[0], atol=1e-5) + + +if __name__ == '__main__': + unittest.main() diff --git a/python/paddle/incubate/hapi/utils.py b/python/paddle/incubate/hapi/utils.py index 4182d81d9f..d9708f2927 100644 --- a/python/paddle/incubate/hapi/utils.py +++ b/python/paddle/incubate/hapi/utils.py @@ -12,13 +12,171 @@ # See the License for the specific language governing permissions and # limitations under the License. +import os import inspect import numpy as np +from collections import OrderedDict from paddle import fluid from paddle.fluid.framework import Variable from paddle.fluid.executor import global_scope +__all__ = ['uncombined_weight_to_state_dict'] + + +def uncombined_weight_to_state_dict(weight_dir): + """ + Convert uncombined weight which getted by using `fluid.io.save_params` or `fluid.io.save_persistables` to state_dict + + Args: + weight_dir (str): weight direcotory path. + + Returns: + OrderDict: weight dict. + + Examples: + .. code-block:: python + + import os + + from paddle import fluid + from paddle.nn import Conv2D, Pool2D, Linear, ReLU, Sequential + from paddle.incubate.hapi.utils import uncombined_weight_to_state_dict + + + class LeNetDygraph(fluid.dygraph.Layer): + def __init__(self, num_classes=10, classifier_activation='softmax'): + super(LeNetDygraph, self).__init__() + self.num_classes = num_classes + self.features = Sequential( + Conv2D( + 1, 6, 3, stride=1, padding=1), + ReLU(), + Pool2D(2, 'max', 2), + Conv2D( + 6, 16, 5, stride=1, padding=0), + ReLU(), + Pool2D(2, 'max', 2)) + + if num_classes > 0: + self.fc = Sequential( + Linear(400, 120), + Linear(120, 84), + Linear( + 84, 10, act=classifier_activation)) + + def forward(self, inputs): + x = self.features(inputs) + + if self.num_classes > 0: + x = fluid.layers.flatten(x, 1) + x = self.fc(x) + return x + + # save weight use fluid.io.save_params + save_dir = 'temp' + if not os.path.exists(save_dir): + os.makedirs(save_dir) + + start_prog = fluid.Program() + train_prog = fluid.Program() + + x = fluid.data(name='x', shape=[None, 1, 28, 28], dtype='float32') + + with fluid.program_guard(train_prog, start_prog): + with fluid.unique_name.guard(): + x = fluid.data( + name='x', shape=[None, 1, 28, 28], dtype='float32') + model = LeNetDygraph() + output = model.forward(x) + + excutor = fluid.Executor() + excutor.run(start_prog) + + test_prog = train_prog.clone(for_test=True) + + fluid.io.save_params(excutor, save_dir, test_prog) + + # convert uncombined weight to state dict + state_dict = uncombined_weight_to_state_dict(save_dir) + + key2key_dict = { + 'features.0.weight': 'conv2d_0.w_0', + 'features.0.bias': 'conv2d_0.b_0', + 'features.3.weight': 'conv2d_1.w_0', + 'features.3.bias': 'conv2d_1.b_0', + 'fc.0.weight': 'linear_0.w_0', + 'fc.0.bias': 'linear_0.b_0', + 'fc.1.weight': 'linear_1.w_0', + 'fc.1.bias': 'linear_1.b_0', + 'fc.2.weight': 'linear_2.w_0', + 'fc.2.bias': 'linear_2.b_0' + } + + fluid.enable_imperative() + dygraph_model = LeNetDygraph() + + converted_state_dict = dygraph_model.state_dict() + for k1, k2 in key2key_dict.items(): + converted_state_dict[k1] = state_dict[k2] + + # dygraph model load state dict which converted from uncombined weight + dygraph_model.set_dict(converted_state_dict) + """ + + def _get_all_params_name(dir): + params_name = [] + dir = os.path.expanduser(dir) + + dir_len = len(dir) + for root, _, fnames in sorted(os.walk(dir, followlinks=True)): + for fname in sorted(fnames): + path = os.path.join(root[dir_len:], fname) + params_name.append(path) + + return params_name + + class Load(fluid.dygraph.Layer): + def __init__(self): + super(Load, self).__init__() + + def forward(self, filename): + weight = self.create_parameter( + shape=[1], + dtype='float32', + default_initializer=fluid.initializer.ConstantInitializer(0.0)) + self._helper.append_op( + type='load', + inputs={}, + outputs={'Out': [weight]}, + attrs={'file_path': filename}) + return weight + + params_name_list = _get_all_params_name(weight_dir) + if not fluid.in_dygraph_mode(): + dygraph_enabled = False + fluid.enable_imperative() + else: + dygraph_enabled = True + + load = Load() + state_dict = OrderedDict() + + for param_name in params_name_list: + param_path = os.path.join(weight_dir, param_name) + weight = load(param_path) + try: + weight = weight.numpy() + except Exception as e: + print(e) + + state_dict[param_name] = weight + + if not dygraph_enabled: + fluid.disable_imperative() + + return state_dict + def to_list(value): if value is None: -- GitLab