diff --git a/README.md b/README.md index d99c284a2d559c4af27a96a8a30cae980c71dae0..6eca8bd3f077a614127f6e6963f4351699074583 100644 --- a/README.md +++ b/README.md @@ -43,7 +43,14 @@ | 召回 | [Gru4Rec](models/recall/gru4rec/model.py) | ✓ | ✓ | ✓ | | 召回 | [Youtube_dnn](models/recall/youtube_dnn/model.py) | ✓ | ✓ | ✓ | | 召回 | [NCF](models/recall/ncf/model.py) | ✓ | ✓ | ✓ | + | 排序 | [Logistic Regression](models/rank/logistic_regression/model.py) | ✓ | x | ✓ | | 排序 | [Dnn](models/rank/dnn/model.py) | ✓ | x | ✓ | + | 排序 | [FM](models/rank/fm/model.py) | ✓ | x | ✓ | + | 排序 | [FFM](models/rank/ffm/model.py) | ✓ | x | ✓ | + | 排序 | [Pnn](models/rank/pnn/model.py) | ✓ | x | ✓ | + | 排序 | [DCN](models/rank/dcn/model.py) | ✓ | x | ✓ | + | 排序 | [NFM](models/rank/nfm/model.py) | ✓ | x | ✓ | + | 排序 | [AFM](models/rank/afm/model.py) | ✓ | x | ✓ | | 排序 | [DeepFM](models/rank/deepfm/model.py) | ✓ | x | ✓ | | 排序 | [xDeepFM](models/rank/xdeepfm/model.py) | ✓ | x | ✓ | | 排序 | [DIN](models/rank/din/model.py) | ✓ | x | ✓ | diff --git a/core/trainers/single_trainer.py b/core/trainers/single_trainer.py index d6461827792cb875fa99da400428eab21bc9f22a..d782dfa42f5695c8b04e9e2db6ba92b676b8b0f6 100755 --- a/core/trainers/single_trainer.py +++ b/core/trainers/single_trainer.py @@ -312,13 +312,27 @@ class SingleTrainer(TranspileTrainer): def load(self, is_fleet=False): dirname = envs.get_global_env( "runner." + self._runner_name + ".init_model_path", None) + load_vars = envs.get_global_env( + "runner." + self._runner_name + ".load_vars", None) + + def name_has_embedding(var): + res = False + for var_name in load_vars: + if var_name == var.name: + return True + return res + if dirname is None or dirname == "": return print("going to load ", dirname) if is_fleet: fleet.load_persistables(self._exe, dirname) else: - fluid.io.load_persistables(self._exe, dirname) + if load_vars is None or len(load_vars) == 0: + fluid.io.load_persistables(self._exe, dirname) + else: + fluid.io.load_vars( + self._exe, dirname, predicate=name_has_embedding) def save(self, epoch_id, is_fleet=False): def need_save(epoch_id, epoch_interval, is_last=False): diff --git a/doc/rec_background.md b/doc/rec_background.md index b6cf8b1c360165033f5640a775f3c8721754f4a3..94186aff8530e76077a39963fb2d81222933b8fd 100644 --- a/doc/rec_background.md +++ b/doc/rec_background.md @@ -3,7 +3,7 @@ 本文代码目录在[book/recommender_system](https://github.com/PaddlePaddle/book/tree/develop/05.recommender_system),初次使用请您参考[Book文档使用说明](https://github.com/PaddlePaddle/book/blob/develop/README.cn.md#运行这本书)。 -更多教程及背景知识可以查阅[深度学习实践应用：个性化推荐](https://www.paddlepaddle.org.cn/tutorials/projectdetail/443958) +更多教程及背景知识可以查阅[深度学习实践应用：个性化推荐](https://www.paddlepaddle.org.cn/tutorials/projectdetail/460300) ## 背景介绍 diff --git a/models/rank/deep_crossing/__init__.py b/models/rank/deep_crossing/__init__.py new file mode 100755 index 0000000000000000000000000000000000000000..abf198b97e6e818e1fbe59006f98492640bcee54 --- /dev/null +++ b/models/rank/deep_crossing/__init__.py @@ -0,0 +1,13 @@ +# 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. diff --git a/models/rank/deep_crossing/config.yaml b/models/rank/deep_crossing/config.yaml new file mode 100755 index 0000000000000000000000000000000000000000..bd2c3acf8757622f864d7fb01e17232f87297157 --- /dev/null +++ b/models/rank/deep_crossing/config.yaml @@ -0,0 +1,75 @@ +# 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. + + +# global settings +debug: false +workspace: "paddlerec.models.rank.deep_crossing" + +dataset: + - name: train_sample + type: QueueDataset + batch_size: 5 + data_path: "{workspace}/../dataset/Criteo_data/sample_data/train" + sparse_slots: "label feat_idx" + dense_slots: "feat_value:39" + - name: infer_sample + type: QueueDataset + batch_size: 5 + data_path: "{workspace}/../dataset/Criteo_data/sample_data/train" + sparse_slots: "label feat_idx" + dense_slots: "feat_value:39" + +hyper_parameters: + # 用户自定义配置 + optimizer: + class: SGD + learning_rate: 0.0001 + sparse_feature_number: 1086460 + sparse_feature_dim: 8 + reg: 0.001 + num_field: 39 + residual_unit_num: 4 + residual_w_dim: 128 + +mode: train_runner +# if infer, change mode to "infer_runner" and change phase to "infer_phase" + +runner: + - name: train_runner + trainer_class: single_train + epochs: 1 + device: cpu + init_model_path: "" + save_checkpoint_interval: 1 + save_inference_interval: 1 + save_checkpoint_path: "increment" + save_inference_path: "inference" + print_interval: 1 + - name: infer_runner + trainer_class: single_infer + epochs: 1 + device: cpu + init_model_path: "increment/0" + print_interval: 1 + +phase: +- name: phase1 + model: "{workspace}/model.py" + dataset_name: train_sample + thread_num: 1 +#- name: infer_phase +# model: "{workspace}/model.py" +# dataset_name: infer_sample +# thread_num: 1 diff --git a/models/rank/deep_crossing/model.py b/models/rank/deep_crossing/model.py new file mode 100755 index 0000000000000000000000000000000000000000..ee587454f439cddabc57d74f2cd42a09a7346445 --- /dev/null +++ b/models/rank/deep_crossing/model.py @@ -0,0 +1,144 @@ +# 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. + +import math +from collections import OrderedDict + +import paddle.fluid as fluid + +from paddlerec.core.utils import envs +from paddlerec.core.model import Model as ModelBase + + +class Model(ModelBase): + def __init__(self, config): + ModelBase.__init__(self, config) + + def _init_hyper_parameters(self): + self.is_distributed = True if envs.get_trainer( + ) == "CtrTrainer" else False + self.sparse_feature_number = envs.get_global_env( + "hyper_parameters.sparse_feature_number", None) + self.sparse_feature_dim = envs.get_global_env( + "hyper_parameters.sparse_feature_dim", None) + self.reg = envs.get_global_env("hyper_parameters.reg", 1e-4) + self.num_field = envs.get_global_env("hyper_parameters.num_field", + None) + self.residual_unit_num = envs.get_global_env( + "hyper_parameters.residual_unit_num", 1) + self.residual_w_dim = envs.get_global_env( + "hyper_parameters.residual_w_dim", 32) + self.concat_size = self.num_field * (self.sparse_feature_dim + 1) + + def resudual_unit(self, x): + inter_layer = fluid.layers.fc( + input=x, + size=self.residual_w_dim, + act='relu', + param_attr=fluid.ParamAttr(initializer=fluid.initializer.Normal( + scale=1.0 / math.sqrt(self.concat_size)))) + output = fluid.layers.fc( + input=inter_layer, + size=self.concat_size, + act=None, + param_attr=fluid.ParamAttr(initializer=fluid.initializer.Normal( + scale=1.0 / math.sqrt(self.residual_w_dim)))) + output = output + x + return fluid.layers.relu6(output, threshold=10000000.0) + + def net(self, inputs, is_infer=False): + raw_feat_idx = self._sparse_data_var[1] # (batch_size * num_field) * 1 + raw_feat_value = self._dense_data_var[0] # batch_size * num_field + self.label = self._sparse_data_var[0] # batch_size * 1 + + init_value_ = 0.1 + + feat_idx = raw_feat_idx + feat_value = fluid.layers.reshape( + raw_feat_value, + [-1, self.num_field, 1]) # batch_size * num_field * 1 + + # ------------------------- first order term -------------------------- + + first_weights_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, 1], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, scale=init_value_), + regularizer=fluid.regularizer.L1DecayRegularizer(self.reg)) + ) # (batch_size * num_field) * 1 * 1(embedding_size) + first_weights = fluid.layers.reshape( + first_weights_re, + shape=[-1, self.num_field, 1]) # batch_size * num_field * 1 + + # ------------------------- second order term -------------------------- + + feat_embeddings_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, self.sparse_feature_dim], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, + scale=init_value_ / + math.sqrt(float(self.sparse_feature_dim)))) + ) # (batch_size * num_field) * 1 * embedding_size + feat_embeddings = fluid.layers.reshape( + feat_embeddings_re, + shape=[-1, self.num_field, self.sparse_feature_dim + ]) # batch_size * num_field * embedding_size + feat_embeddings = feat_embeddings * feat_value # batch_size * num_field * embedding_size + + concated = fluid.layers.concat( + [feat_embeddings, first_weights], axis=2) + concated = fluid.layers.reshape( + concated, + shape=[-1, self.num_field * (self.sparse_feature_dim + 1)]) + + for _ in range(self.residual_unit_num): + concated = self.resudual_unit(concated) + + predict = fluid.layers.fc( + input=concated, + size=1, + act="sigmoid", + param_attr=fluid.ParamAttr(initializer=fluid.initializer.Normal( + scale=1 / math.sqrt(self.concat_size)))) + + self.predict = predict + + cost = fluid.layers.log_loss( + input=self.predict, label=fluid.layers.cast(self.label, + "float32")) # log_loss + avg_cost = fluid.layers.reduce_sum(cost) + + self._cost = avg_cost + + predict_2d = fluid.layers.concat([1 - self.predict, self.predict], 1) + label_int = fluid.layers.cast(self.label, 'int64') + auc_var, batch_auc_var, _ = fluid.layers.auc(input=predict_2d, + label=label_int, + slide_steps=0) + self._metrics["AUC"] = auc_var + self._metrics["BATCH_AUC"] = batch_auc_var + if is_infer: + self._infer_results["AUC"] = auc_var diff --git a/models/rank/fnn/__init__.py b/models/rank/fnn/__init__.py new file mode 100755 index 0000000000000000000000000000000000000000..abf198b97e6e818e1fbe59006f98492640bcee54 --- /dev/null +++ b/models/rank/fnn/__init__.py @@ -0,0 +1,13 @@ +# 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. diff --git a/models/rank/fnn/config.yaml b/models/rank/fnn/config.yaml new file mode 100755 index 0000000000000000000000000000000000000000..07b57cdd26deaebf20ce1942023ad568e06d3588 --- /dev/null +++ b/models/rank/fnn/config.yaml @@ -0,0 +1,85 @@ +# 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. + + +# global settings +debug: false +workspace: "paddlerec.models.rank.fnn" + +dataset: + - name: train_sample + type: QueueDataset + batch_size: 5 + data_path: "{workspace}/../dataset/Criteo_data/sample_data/train" + sparse_slots: "label feat_idx" + dense_slots: "feat_value:39" + - name: infer_sample + type: QueueDataset + batch_size: 5 + data_path: "{workspace}/../dataset/Criteo_data/sample_data/train" + sparse_slots: "label feat_idx" + dense_slots: "feat_value:39" + +hyper_parameters: + # 用户自定义配置 + optimizer: + class: SGD + learning_rate: 0.0001 + sparse_feature_number: 1086460 + sparse_feature_dim: 9 + reg: 0.001 + num_field: 39 + fc_sizes: [512, 256, 128, 32] + +mode: train_FM_runner #for FM phase: train_FM_runner for dnn phase: train_DNN_runner +# if infer, change mode to "infer_runner" and change phase to "infer_phase" + +runner: + - name: train_FM_runner + trainer_class: single_train + epochs: 1 + device: cpu + init_model_path: "" + save_checkpoint_interval: 1 + save_inference_interval: 1 + save_checkpoint_path: "increment" + save_inference_path: "inference" + print_interval: 1 + - name: train_DNN_runner + trainer_class: single_train + epochs: 1 + device: cpu + init_model_path: "increment/0" + load_vars: ["embedding_1.w_0", "embedding_0.w_0"] + save_checkpoint_interval: 1 + save_inference_interval: 1 + save_checkpoint_path: "increment_fnn" + save_inference_path: "inference_fnn" + print_interval: 1 + - name: infer_runner + trainer_class: single_infer + epochs: 1 + device: cpu + init_model_path: "increment/0" + print_interval: 1 + +phase: +- name: phase1 + model: "{workspace}/fm_model.py" # for FM phase: fm_model.py for dnn phase model.py + dataset_name: train_sample + thread_num: 1 +#- name: infer_phase +# model: "{workspace}/model.py" +# dataset_name: infer_sample +# thread_num: 1 diff --git a/models/rank/fnn/fm_model.py b/models/rank/fnn/fm_model.py new file mode 100755 index 0000000000000000000000000000000000000000..3cd20108780047f6e613591f95caa00710fb84c0 --- /dev/null +++ b/models/rank/fnn/fm_model.py @@ -0,0 +1,132 @@ +# 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. + +import math +from collections import OrderedDict + +import paddle.fluid as fluid + +from paddlerec.core.utils import envs +from paddlerec.core.model import Model as ModelBase + + +class Model(ModelBase): + def __init__(self, config): + ModelBase.__init__(self, config) + + def _init_hyper_parameters(self): + self.is_distributed = True if envs.get_trainer( + ) == "CtrTrainer" else False + self.sparse_feature_number = envs.get_global_env( + "hyper_parameters.sparse_feature_number", None) + self.sparse_feature_dim = envs.get_global_env( + "hyper_parameters.sparse_feature_dim", None) + self.reg = envs.get_global_env("hyper_parameters.reg", 1e-4) + self.num_field = envs.get_global_env("hyper_parameters.num_field", + None) + + def net(self, inputs, is_infer=False): + raw_feat_idx = self._sparse_data_var[1] # (batch_size * num_field) * 1 + raw_feat_value = self._dense_data_var[0] # batch_size * num_field + self.label = self._sparse_data_var[0] # batch_size * 1 + + init_value_ = 0.1 + + feat_idx = raw_feat_idx + feat_value = fluid.layers.reshape( + raw_feat_value, + [-1, self.num_field, 1]) # batch_size * num_field * 1 + + # ------------------------- first order term -------------------------- + + first_weights_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, 1], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, scale=init_value_), + regularizer=fluid.regularizer.L1DecayRegularizer(self.reg)) + ) # (batch_size * num_field) * 1 * 1(embedding_size) + first_weights = fluid.layers.reshape( + first_weights_re, + shape=[-1, self.num_field, 1]) # batch_size * num_field * 1 + y_first_order = fluid.layers.reduce_sum((first_weights * feat_value), + 1) # batch_size * 1 + b_linear = fluid.layers.create_parameter( + shape=[1], + dtype='float32', + default_initializer=fluid.initializer.ConstantInitializer( + value=0)) # 1 + # ------------------------- second order term -------------------------- + + feat_embeddings_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, self.sparse_feature_dim], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, + scale=init_value_ / + math.sqrt(float(self.sparse_feature_dim)))) + ) # (batch_size * num_field) * 1 * embedding_size + feat_embeddings = fluid.layers.reshape( + feat_embeddings_re, + shape=[-1, self.num_field, self.sparse_feature_dim + ]) # batch_size * num_field * embedding_size + feat_embeddings = feat_embeddings * feat_value # batch_size * num_field * embedding_size + + # sum_square part + summed_features_emb = fluid.layers.reduce_sum( + feat_embeddings, 1) # batch_size * embedding_size + summed_features_emb_square = fluid.layers.square( + summed_features_emb) # batch_size * embedding_size + + # square_sum part + squared_features_emb = fluid.layers.square( + feat_embeddings) # batch_size * num_field * embedding_size + squared_sum_features_emb = fluid.layers.reduce_sum( + squared_features_emb, 1) # batch_size * embedding_size + + y_FM = 0.5 * fluid.layers.reduce_sum( + summed_features_emb_square - squared_sum_features_emb, + dim=1, + keep_dim=True) # batch_size * 1 + + # ------------------------- Predict -------------------------- + + self.predict = fluid.layers.sigmoid(b_linear + y_first_order + y_FM) + + cost = fluid.layers.log_loss( + input=self.predict, label=fluid.layers.cast(self.label, + "float32")) # log_loss + avg_cost = fluid.layers.reduce_sum(cost) + + self._cost = avg_cost + + predict_2d = fluid.layers.concat([1 - self.predict, self.predict], 1) + label_int = fluid.layers.cast(self.label, 'int64') + auc_var, batch_auc_var, _ = fluid.layers.auc(input=predict_2d, + label=label_int, + slide_steps=0) + self._metrics["AUC"] = auc_var + self._metrics["BATCH_AUC"] = batch_auc_var + if is_infer: + self._infer_results["AUC"] = auc_var diff --git a/models/rank/fnn/model.py b/models/rank/fnn/model.py new file mode 100755 index 0000000000000000000000000000000000000000..936172f6e75e558ff82de159f0e5b22bbd8c5525 --- /dev/null +++ b/models/rank/fnn/model.py @@ -0,0 +1,133 @@ +# 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. + +import math +from collections import OrderedDict + +import paddle.fluid as fluid + +from paddlerec.core.utils import envs +from paddlerec.core.model import Model as ModelBase + + +class Model(ModelBase): + def __init__(self, config): + ModelBase.__init__(self, config) + + def _init_hyper_parameters(self): + self.is_distributed = True if envs.get_trainer( + ) == "CtrTrainer" else False + self.sparse_feature_number = envs.get_global_env( + "hyper_parameters.sparse_feature_number", None) + self.sparse_feature_dim = envs.get_global_env( + "hyper_parameters.sparse_feature_dim", None) + self.reg = envs.get_global_env("hyper_parameters.reg", 1e-4) + self.num_field = envs.get_global_env("hyper_parameters.num_field", + None) + + def net(self, inputs, is_infer=False): + raw_feat_idx = self._sparse_data_var[1] # (batch_size * num_field) * 1 + raw_feat_value = self._dense_data_var[0] # batch_size * num_field + self.label = self._sparse_data_var[0] # batch_size * 1 + + init_value_ = 0.1 + + feat_idx = raw_feat_idx + feat_value = fluid.layers.reshape( + raw_feat_value, + [-1, self.num_field, 1]) # batch_size * num_field * 1 + + # ------------------------- first order term -------------------------- + + first_weights_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, 1], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, scale=init_value_), + regularizer=fluid.regularizer.L1DecayRegularizer(self.reg)) + ) # (batch_size * num_field) * 1 * 1(embedding_size) + first_weights = fluid.layers.reshape( + first_weights_re, + shape=[-1, self.num_field, 1]) # batch_size * num_field * 1 + + # ------------------------- second order term -------------------------- + + feat_embeddings_re = fluid.embedding( + input=feat_idx, + is_sparse=True, + is_distributed=self.is_distributed, + dtype='float32', + size=[self.sparse_feature_number + 1, self.sparse_feature_dim], + padding_idx=0, + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.TruncatedNormalInitializer( + loc=0.0, + scale=init_value_ / + math.sqrt(float(self.sparse_feature_dim)))) + ) # (batch_size * num_field) * 1 * embedding_size + feat_embeddings = fluid.layers.reshape( + feat_embeddings_re, + shape=[-1, self.num_field, self.sparse_feature_dim + ]) # batch_size * num_field * embedding_size + feat_embeddings = feat_embeddings * feat_value # batch_size * num_field * embedding_size + + concated = fluid.layers.concat( + [feat_embeddings, first_weights], axis=2) + concated = fluid.layers.reshape( + concated, + shape=[-1, self.num_field * (self.sparse_feature_dim + 1)]) + + fcs = [concated] + hidden_layers = envs.get_global_env("hyper_parameters.fc_sizes") + + for size in hidden_layers: + output = fluid.layers.fc( + input=fcs[-1], + size=size, + act='relu', + param_attr=fluid.ParamAttr( + initializer=fluid.initializer.Normal( + scale=1.0 / math.sqrt(fcs[-1].shape[1])))) + fcs.append(output) + + predict = fluid.layers.fc( + input=fcs[-1], + size=1, + act="sigmoid", + param_attr=fluid.ParamAttr(initializer=fluid.initializer.Normal( + scale=1 / math.sqrt(fcs[-1].shape[1])))) + + self.predict = predict + + cost = fluid.layers.log_loss( + input=self.predict, label=fluid.layers.cast(self.label, + "float32")) # log_loss + avg_cost = fluid.layers.reduce_sum(cost) + + self._cost = avg_cost + + predict_2d = fluid.layers.concat([1 - self.predict, self.predict], 1) + label_int = fluid.layers.cast(self.label, 'int64') + auc_var, batch_auc_var, _ = fluid.layers.auc(input=predict_2d, + label=label_int, + slide_steps=0) + self._metrics["AUC"] = auc_var + self._metrics["BATCH_AUC"] = batch_auc_var + if is_infer: + self._infer_results["AUC"] = auc_var diff --git a/models/rank/readme.md b/models/rank/readme.md index 2ac571cb29885cd7c8e0dc62af314d9c37d77673..0ac193c01fd379e60c57176ac1873dbe6abf422a 100755 --- a/models/rank/readme.md +++ b/models/rank/readme.md @@ -1,7 +1,7 @@ # 排序模型库 ## 简介 -我们提供了常见的排序任务中使用的模型算法的PaddleRec实现, 单机训练&预测效果指标以及分布式训练&预测性能指标等。实现的排序模型包括 [多层神经网络](dnn)、[Deep Cross Network](dcn)、[DeepFM](deepfm)、 [xDeepFM](xdeepfm)、[Deep Interest Network](din)、[Wide&Deep](wide_deep)。 +我们提供了常见的排序任务中使用的模型算法的PaddleRec实现, 单机训练&预测效果指标以及分布式训练&预测性能指标等。实现的排序模型包括 [logistic regression](logistic_regression)、[多层神经网络](dnn)、[FM](fm)、[FFM](ffm)、[PNN](pnn)、[多层神经网络](dnn)、[Deep Cross Network](dcn)、[DeepFM](deepfm)、 [xDeepFM](xdeepfm)、[NFM](nfm)、[AFM](afm)、[Deep Interest Network](din)、[Wide&Deep](wide_deep)。 模型算法库在持续添加中，欢迎关注。 @@ -25,6 +25,7 @@ | DNN | 多层神经网络 | -- | | Logistic Regression | 逻辑回归 | -- | | FM | 因子分解机 | [Factorization Machine](https://ieeexplore.ieee.org/abstract/document/5694074)(2010) | +| FFM | Field-Aware FM | [Field-aware Factorization Machines for CTR Prediction](https://dl.acm.org/doi/pdf/10.1145/2959100.2959134)(2016) | | PNN | Product Network | [Product-based Neural Networks for User Response Prediction](https://arxiv.org/pdf/1611.00144.pdf)(2016) | | wide&deep | Deep + wide(LR) | [Wide & Deep Learning for Recommender Systems](https://dl.acm.org/doi/pdf/10.1145/2988450.2988454)(2016) | | DeepFM | DeepFM | [DeepFM: A Factorization-Machine based Neural Network for CTR Prediction](https://arxiv.org/pdf/1703.04247.pdf)(2017) |