Merge pull request #116 from WeiyueSu/main

erniesage: reconstitution

examples/erniesage/config/erniesage_v1_gpu.yaml → examples/erniesage/config/erniesage_link_predict.yaml

 # Global Enviroment Settings 
 #
 # trainer config ------
+task: "link_predict"
 learner_type: "gpu"
 optimizer_type: "adam"
 lr: 0.00005
 batch_size: 32
 CPU_NUM: 10
-epoch: 20
+epoch: 3
 log_per_step: 1
-save_per_step: 100
+save_per_step: 1000
 output_path: "./output"
 ckpt_path: "./ernie_base_ckpt"
 
 # data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
+train_data: "./example_data/link_predict/graph_data.txt"
+graph_data: "./example_data/link_predict/train_data.txt"
+
+graph_work_path: "./workdir"
 sample_workers: 1
 use_pyreader: true
 input_type: "text"
 
 # model config ------
 samples: [10]
-model_type: "ErnieSageModelV1"
+model_type: "ERNIESageV2"
 layer_type: "graphsage_sum"
 
 max_seqlen: 40
@@ -30,8 +33,9 @@ num_layers: 1
 hidden_size: 128
 final_fc: true
 final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
+loss_type: "global_hinge"
+margin: 0.1
+neg_type: "batch_neg"
 
 # infer config ------
 infer_model: "./output/last"

examples/erniesage/config/erniesage_v2_gpu.yaml → examples/erniesage/config/erniesage_node_classfication.yaml

 # Global Enviroment Settings 
 #
 # trainer config ------
+task: "node_classification"
 learner_type: "gpu"
 optimizer_type: "adam"
 lr: 0.00005
 batch_size: 32
 CPU_NUM: 10
 epoch: 3
-log_per_step: 10
+log_per_step: 1
 save_per_step: 1000
 output_path: "./output"
 ckpt_path: "./ernie_base_ckpt"
 
 # data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
+graph_data: "./example_data/node_classification/graph_data.txt"
+train_data: "./example_data/node_classification/train_data.txt"
+
+graph_work_path: "./workdir"
 sample_workers: 1
 use_pyreader: true
 input_type: "text"
 
 # model config ------
+num_label: 10
 samples: [10]
-model_type: "ErnieSageModelV2"
+model_type: "ERNIESageV2"
+layer_type: "graphsage_sum"
 
 max_seqlen: 40
 
@@ -29,8 +34,8 @@ num_layers: 1
 hidden_size: 128
 final_fc: true
 final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
+loss_type: "softmax_with_cross_entropy"
+margin: 0.1
 neg_type: "batch_neg"
 
 # infer config ------
@@ -49,7 +54,7 @@ ernie_config:
     max_position_embeddings: 513
     num_attention_heads: 12
     num_hidden_layers: 12
-    sent_type_vocab_size: 2
+    sent_type_vocab_size: 4
     task_type_vocab_size: 3
     vocab_size: 18000
     use_task_id: false

examples/erniesage/config/erniesage_v1_cpu.yaml

-# Global Enviroment Settings 
-#
-# trainer config ------
-learner_type: "cpu"
-optimizer_type: "adam"
-lr: 0.00005
-batch_size: 2
-CPU_NUM: 10
-epoch: 20
-log_per_step: 1
-save_per_step: 100
-output_path: "./output"
-ckpt_path: "./ernie_base_ckpt"
-
-# data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
-sample_workers: 1
-use_pyreader: true
-input_type: "text"
-
-# model config ------
-samples: [10]
-model_type: "ErnieSageModelV1"
-layer_type: "graphsage_sum"
-
-max_seqlen: 40
-
-num_layers: 1
-hidden_size: 128
-final_fc: true
-final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
-
-# infer config ------
-infer_model: "./output/last"
-infer_batch_size: 128
-
-# ernie config ------
-encoding: "utf8"
-ernie_vocab_file: "./vocab.txt"
-ernie_config:
-    attention_probs_dropout_prob: 0.1
-    hidden_act: "relu"
-    hidden_dropout_prob: 0.1
-    hidden_size: 768
-    initializer_range: 0.02
-    max_position_embeddings: 513
-    num_attention_heads: 12
-    num_hidden_layers: 12
-    sent_type_vocab_size: 4
-    task_type_vocab_size: 3
-    vocab_size: 18000
-    use_task_id: false
-    use_fp16: false

examples/erniesage/config/erniesage_v2_cpu.yaml

-# Global Enviroment Settings 
-#
-# trainer config ------
-learner_type: "cpu"
-optimizer_type: "adam"
-lr: 0.00005
-batch_size: 4
-CPU_NUM: 16
-epoch: 3
-log_per_step: 1
-save_per_step: 100
-output_path: "./output"
-ckpt_path: "./ernie_base_ckpt"
-
-# data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
-sample_workers: 1
-use_pyreader: true
-input_type: "text"
-
-# model config ------
-samples: [10]
-model_type: "ErnieSageModelV2"
-
-max_seqlen: 40
-
-num_layers: 1
-hidden_size: 128
-final_fc: true
-final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
-neg_type: "batch_neg"
-
-# infer config ------
-infer_model: "./output/last"
-infer_batch_size: 128
-
-# ernie config ------
-encoding: "utf8"
-ernie_vocab_file: "./vocab.txt"
-ernie_config:
-    attention_probs_dropout_prob: 0.1
-    hidden_act: "relu"
-    hidden_dropout_prob: 0.1
-    hidden_size: 768
-    initializer_range: 0.02
-    max_position_embeddings: 513
-    num_attention_heads: 12
-    num_hidden_layers: 12
-    sent_type_vocab_size: 2
-    task_type_vocab_size: 3
-    vocab_size: 18000
-    use_task_id: false
-    use_fp16: false

examples/erniesage/config/erniesage_v3_cpu.yaml

-# Global Enviroment Settings 
-#
-# trainer config ------
-learner_type: "cpu"
-optimizer_type: "adam"
-lr: 0.00005
-batch_size: 2
-CPU_NUM: 10
-epoch: 20
-log_per_step: 1
-save_per_step: 100
-output_path: "./output"
-ckpt_path: "./ernie_base_ckpt"
-
-# data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
-sample_workers: 1
-use_pyreader: true
-input_type: "text"
-
-# model config ------
-samples: [10]
-model_type: "ErnieSageModelV3"
-
-max_seqlen: 40
-
-num_layers: 1
-hidden_size: 128
-final_fc: true
-final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
-
-# infer config ------
-infer_model: "./output/last"
-infer_batch_size: 128
-
-# ernie config ------
-encoding: "utf8"
-ernie_vocab_file: "./vocab.txt"
-ernie_config:
-    attention_probs_dropout_prob: 0.1
-    hidden_act: "relu"
-    hidden_dropout_prob: 0.1
-    hidden_size: 768
-    initializer_range: 0.02
-    max_position_embeddings: 513
-    num_attention_heads: 12
-    num_hidden_layers: 12
-    sent_type_vocab_size: 4
-    task_type_vocab_size: 3
-    vocab_size: 18000
-    use_task_id: false
-    use_fp16: false

examples/erniesage/config/erniesage_v3_gpu.yaml

-# Global Enviroment Settings 
-#
-# trainer config ------
-learner_type: "gpu"
-optimizer_type: "adam"
-lr: 0.00005
-batch_size: 32
-CPU_NUM: 10
-epoch: 20
-log_per_step: 1
-save_per_step: 100
-output_path: "./output"
-ckpt_path: "./ernie_base_ckpt"
-
-# data config ------
-input_data: "./data.txt"
-graph_path: "./workdir"
-sample_workers: 1
-use_pyreader: true
-input_type: "text"
-
-# model config ------
-samples: [10]
-model_type: "ErnieSageModelV3"
-
-max_seqlen: 40
-
-num_layers: 1
-hidden_size: 128
-final_fc: true
-final_l2_norm: true
-loss_type: "hinge"
-margin: 0.3
-
-# infer config ------
-infer_model: "./output/last"
-infer_batch_size: 128
-
-# ernie config ------
-encoding: "utf8"
-ernie_vocab_file: "./vocab.txt"
-ernie_config:
-    attention_probs_dropout_prob: 0.1
-    hidden_act: "relu"
-    hidden_dropout_prob: 0.1
-    hidden_size: 768
-    initializer_range: 0.02
-    max_position_embeddings: 513
-    num_attention_heads: 12
-    num_hidden_layers: 12
-    sent_type_vocab_size: 4
-    task_type_vocab_size: 3
-    vocab_size: 18000
-    use_task_id: false
-    use_fp16: false

examples/erniesage/dataset/graph_reader.py

@@ -74,17 +74,15 @@ class GraphGenerator(BaseDataGenerator):
         batch_dst = np.array(batch_dst, dtype="int64")
 
         if self.neg_type == "batch_neg":
-            neg_shape = [1]
+            batch_neg = batch_dst
         else:
+            # TODO user define shape of neg_sample
             neg_shape = batch_dst.shape
-        sampled_batch_neg = alias_sample(neg_shape, self.alias, self.events)
-    
-        if len(batch_neg) > 0:
+            sampled_batch_neg = alias_sample(neg_shape, self.alias, self.events)
             batch_neg = np.concatenate([batch_neg, sampled_batch_neg], 0)
-        else:
-            batch_neg = sampled_batch_neg
 
         if self.phase == "train":
+            # TODO user define ignore edges or not
             #ignore_edges = np.concatenate([np.stack([batch_src, batch_dst], 1), np.stack([batch_dst, batch_src], 1)], 0)
             ignore_edges = set()
         else:
@@ -92,7 +90,8 @@ class GraphGenerator(BaseDataGenerator):
 
         nodes = np.unique(np.concatenate([batch_src, batch_dst, batch_neg], 0))
         subgraphs = graphsage_sample(self.graph, nodes, self.samples, ignore_edges=ignore_edges)
-        #subgraphs[0].reindex_to_parrent_nodes(subgraphs[0].nodes)
+        subgraphs[0].node_feat["index"] = subgraphs[0].reindex_to_parrent_nodes(subgraphs[0].nodes).astype(np.int64)
+        subgraphs[0].node_feat["term_ids"] = self.term_ids[subgraphs[0].node_feat["index"]].astype(np.int64)
         feed_dict = {}
         for i in range(self.num_layers):
             feed_dict.update(self.graph_wrappers[i].to_feed(subgraphs[i]))
@@ -103,9 +102,11 @@ class GraphGenerator(BaseDataGenerator):
         sub_neg_idx = subgraphs[0].reindex_from_parrent_nodes(batch_neg)
 
         feed_dict["user_index"] = np.array(sub_src_idx, dtype="int64")
-        feed_dict["item_index"] = np.array(sub_dst_idx, dtype="int64")
+        feed_dict["pos_item_index"] = np.array(sub_dst_idx, dtype="int64")
         feed_dict["neg_item_index"] = np.array(sub_neg_idx, dtype="int64")
-        feed_dict["term_ids"] = self.term_ids[subgraphs[0].node_feat["index"]].astype(np.int64)
+
+        feed_dict["user_real_index"] = np.array(batch_src, dtype="int64")
+        feed_dict["pos_item_real_index"] = np.array(batch_dst, dtype="int64")
         return feed_dict
 
     def __call__(self):
@@ -124,3 +125,37 @@ class GraphGenerator(BaseDataGenerator):
  
 
     
+class NodeClassificationGenerator(GraphGenerator):
+    def batch_fn(self, batch_ex):
+        # batch_ex = [
+        #     (node, label),
+        #     (node, label),
+        #     ]
+        #
+        batch_node = []
+        batch_label = []
+        for batch in batch_ex:
+            batch_node.append(batch[0])
+            batch_label.append(batch[1])
+
+        if len(batch_node) != self.batch_size:
+            if self.phase == "train":
+                return None  #Skip
+
+        batch_node = np.array(batch_node, dtype="int64")
+        batch_label = np.array(batch_label, dtype="int64")
+
+        subgraphs = graphsage_sample(self.graph, batch_node, self.samples)
+        subgraphs[0].node_feat["index"] = subgraphs[0].reindex_to_parrent_nodes(subgraphs[0].nodes).astype(np.int64)
+        subgraphs[0].node_feat["term_ids"] = self.term_ids[subgraphs[0].node_feat["index"]].astype(np.int64)
+        feed_dict = {}
+        for i in range(self.num_layers):
+            feed_dict.update(self.graph_wrappers[i].to_feed(subgraphs[i]))
+
+        # only reindex from first subgraph
+        sub_node_idx = subgraphs[0].reindex_from_parrent_nodes(batch_node)
+
+        feed_dict["node_index"] = np.array(sub_node_idx, dtype="int64")
+        feed_dict["node_real_index"] = np.array(batch_node, dtype="int64")
+        feed_dict["label"] = np.array(batch_label, dtype="int64")
+        return feed_dict

examples/erniesage/infer.py → examples/erniesage/link_predict_infer.py

@@ -34,7 +34,7 @@ from pgl.utils import paddle_helper
 import paddle
 import paddle.fluid as F
 
-from models.model_factory import Model
+from models.model import LinkPredictModel
 from dataset.graph_reader import GraphGenerator 
 
 
@@ -59,7 +59,7 @@ def run_predict(py_reader,
               log_per_step=1,
               args=None):
 
-    id2str = io.open(os.path.join(args.graph_path, "terms.txt"), encoding=args.encoding).readlines()
+    id2str = io.open(os.path.join(args.graph_work_path, "terms.txt"), encoding=args.encoding).readlines()
 
     trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
     trainer_count = int(os.getenv("PADDLE_TRAINERS_NUM", "1"))
@@ -71,7 +71,7 @@ def run_predict(py_reader,
         
     for batch_feed_dict in py_reader():
         batch += 1
-        batch_usr_feat, batch_ad_feat, _, batch_src_real_index = exe.run(
+        batch_usr_feat, _, _, batch_src_real_index, _ = exe.run(
             program,
             feed=batch_feed_dict,
             fetch_list=model_dict.outputs)
@@ -79,7 +79,7 @@ def run_predict(py_reader,
         if batch % log_per_step == 0:
             log.info("Predict %s finished" % batch)
 
-        for ufs, _, sri in zip(batch_usr_feat, batch_ad_feat, batch_src_real_index):
+        for ufs, sri in zip(batch_usr_feat, batch_src_real_index):
             if args.input_type == "text":
                 sri = id2str[int(sri)].strip("\n")
             line = "{}\t{}\n".format(sri, tostr(ufs))
@@ -108,7 +108,7 @@ def _warmstart(exe, program, path='params'):
     )
 
 def main(config):
-    model = Model.factory(config)
+    model = LinkPredictModel(config)
 
     if config.learner_type == "cpu":
         place = F.CPUPlace()
@@ -143,7 +143,7 @@ def main(config):
             build_strategy=build_strategy,
             exec_strategy=exec_strategy)
 
-    num_nodes = int(np.load(os.path.join(config.graph_path, "num_nodes.npy")))
+    num_nodes = int(np.load(os.path.join(config.graph_work_path, "num_nodes.npy")))
 
     predict_data = PredictData(num_nodes)
 
@@ -156,7 +156,7 @@ def main(config):
         feed_name_list=[var.name for var in model.feed_list],
         use_pyreader=config.use_pyreader,
         phase="predict",
-        graph_data_path=config.graph_path,
+        graph_data_path=config.graph_work_path,
         shuffle=False)
 
     if config.learner_type == "cpu":

examples/erniesage/train.py → examples/erniesage/link_predict_train.py

@@ -22,27 +22,26 @@ from pgl.utils.logger import log
 from pgl.utils import paddle_helper
 
 from learner import Learner
-from models.model_factory import Model
+from models.model import LinkPredictModel
 from dataset.graph_reader import GraphGenerator 
 
 
 class TrainData(object):
-    def __init__(self, graph_path):
+    def __init__(self, graph_work_path):
         trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
         trainer_count = int(os.getenv("PADDLE_TRAINERS_NUM", "1"))
         log.info("trainer_id: %s, trainer_count: %s." % (trainer_id, trainer_count))
 
-        bidirectional_edges = np.load(os.path.join(graph_path, "edges.npy"), allow_pickle=True)
+        edges = np.load(os.path.join(graph_work_path, "train_data.npy"), allow_pickle=True)
         # edges is bidirectional.
-        edges = bidirectional_edges[0::2]
         train_usr = edges[trainer_id::trainer_count, 0]
         train_ad = edges[trainer_id::trainer_count, 1]
         returns = {
             "train_data": [train_usr, train_ad]
         }
 
-        if os.path.exists(os.path.join(graph_path, "neg_samples.npy")):
-            neg_samples = np.load(os.path.join(graph_path, "neg_samples.npy"), allow_pickle=True)
+        if os.path.exists(os.path.join(graph_work_path, "neg_samples.npy")):
+            neg_samples = np.load(os.path.join(graph_work_path, "neg_samples.npy"), allow_pickle=True)
             if neg_samples.size != 0:
                 train_negs = neg_samples[trainer_id::trainer_count]
                 returns["train_data"].append(train_negs)
@@ -50,7 +49,7 @@ class TrainData(object):
         self.data = returns
 
     def __getitem__(self, index):
-        return [ data[index] for data in self.data["train_data"]]
+        return [data[index] for data in self.data["train_data"]]
 
     def __len__(self):
         return len(self.data["train_data"][0])
@@ -58,10 +57,10 @@ class TrainData(object):
 
 def main(config):
     # Select Model
-    model = Model.factory(config)
+    model = LinkPredictModel(config)
 
     # Build Train Edges
-    data = TrainData(config.graph_path)
+    data = TrainData(config.graph_work_path)
 
     # Build Train Data
     train_iter = GraphGenerator(
@@ -73,7 +72,7 @@ def main(config):
         feed_name_list=[var.name for var in model.feed_list],
         use_pyreader=config.use_pyreader,
         phase="train",
-        graph_data_path=config.graph_path,
+        graph_data_path=config.graph_work_path,
         shuffle=True,
         neg_type=config.neg_type)
 

examples/erniesage/models/base.py

-# Copyright (c) 2019 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 time
-import glob
-import os
-
-import numpy as np
-
-import pgl
-import paddle.fluid as F
-import paddle.fluid.layers as L
-
-from models import message_passing
-
-def get_layer(layer_type, gw, feature, hidden_size, act, initializer, learning_rate, name, is_test=False):
-    return getattr(message_passing, layer_type)(gw, feature, hidden_size, act, initializer, learning_rate, name)
-
-
-class BaseGraphWrapperBuilder(object):
-    def __init__(self, config):
-        self.config = config
-        self.node_feature_info = []
-        self.edge_feature_info = []
-
-    def __call__(self):
-        place = F.CPUPlace()
-        graph_wrappers = []
-        for i in range(self.config.num_layers):
-            # all graph have same node_feat_info
-            graph_wrappers.append(
-                pgl.graph_wrapper.GraphWrapper(
-                    "layer_%s" % i, node_feat=self.node_feature_info, edge_feat=self.edge_feature_info))
-        return graph_wrappers
-
-
-class GraphsageGraphWrapperBuilder(BaseGraphWrapperBuilder):
-    def __init__(self, config):
-        super(GraphsageGraphWrapperBuilder, self).__init__(config)
-        self.node_feature_info.append(('index', [None], np.dtype('int64')))
-
-
-class BaseGNNModel(object):
-    def __init__(self, config):
-        self.config = config
-        self.graph_wrapper_builder = self.gen_graph_wrapper_builder(config) 
-        self.net_fn = self.gen_net_fn(config)
-        self.feed_list_builder = self.gen_feed_list_builder(config)
-        self.data_loader_builder = self.gen_data_loader_builder(config)
-        self.loss_fn = self.gen_loss_fn(config)
-        self.build()
-
-
-    def gen_graph_wrapper_builder(self, config): 
-        return GraphsageGraphWrapperBuilder(config)
-
-    def gen_net_fn(self, config):
-        return BaseNet(config)
-
-    def gen_feed_list_builder(self, config):
-        return BaseFeedListBuilder(config) 
-
-    def gen_data_loader_builder(self, config):
-        return BaseDataLoaderBuilder(config)
-
-    def gen_loss_fn(self, config):
-        return BaseLoss(config)
-
-    def build(self):
-        self.graph_wrappers = self.graph_wrapper_builder()
-        self.inputs, self.outputs = self.net_fn(self.graph_wrappers)
-        self.feed_list = self.feed_list_builder(self.inputs, self.graph_wrappers)
-        self.data_loader = self.data_loader_builder(self.feed_list)
-        self.loss = self.loss_fn(self.outputs)
-
-class BaseFeedListBuilder(object):
-    def __init__(self, config):
-        self.config = config
-
-    def __call__(self, inputs, graph_wrappers):
-        feed_list = []
-        for i in range(len(graph_wrappers)):
-            feed_list.extend(graph_wrappers[i].holder_list)
-        feed_list.extend(inputs)
-        return feed_list
-
-
-class BaseDataLoaderBuilder(object):
-    def __init__(self, config):
-        self.config = config
-
-    def __call__(self, feed_list):
-        data_loader = F.io.PyReader(
-            feed_list=feed_list, capacity=20, use_double_buffer=True, iterable=True)
-        return data_loader
-
-
-
-class BaseNet(object):
-    def __init__(self, config):
-        self.config = config
-
-    def take_final_feature(self, feature, index, name):
-        """take final feature"""
-        feat = L.gather(feature, index, overwrite=False)
-
-        if self.config.final_fc:
-            feat = L.fc(feat,
-                           self.config.hidden_size,
-                           param_attr=F.ParamAttr(name=name + '_w'),
-                           bias_attr=F.ParamAttr(name=name + '_b'))
-
-        if self.config.final_l2_norm:
-            feat = L.l2_normalize(feat, axis=1)
-        return feat
-
-    def build_inputs(self):
-        user_index = L.data(
-            "user_index", shape=[None], dtype="int64", append_batch_size=False)
-        item_index = L.data(
-            "item_index", shape=[None], dtype="int64", append_batch_size=False)
-        neg_item_index = L.data(
-            "neg_item_index", shape=[None], dtype="int64", append_batch_size=False)
-        return [user_index, item_index, neg_item_index]
-
-    def build_embedding(self, graph_wrappers, inputs=None):
-        num_embed = int(np.load(os.path.join(self.config.graph_path, "num_nodes.npy")))
-        is_sparse = self.config.trainer_type == "Transpiler"
-
-        embed = L.embedding(
-            input=L.reshape(graph_wrappers[0].node_feat['index'], [-1, 1]),
-            size=[num_embed, self.config.hidden_size],
-            is_sparse=is_sparse,
-            param_attr=F.ParamAttr(name="node_embedding", initializer=F.initializer.Uniform(
-                low=-1. / self.config.hidden_size,
-                high=1. / self.config.hidden_size)))
-        return embed
-
-    def gnn_layers(self, graph_wrappers, feature):
-        features = [feature]
-
-        initializer = None
-        fc_lr = self.config.lr / 0.001
-
-        for i in range(self.config.num_layers):
-            if i == self.config.num_layers - 1:
-                act = None
-            else:
-                act = "leaky_relu"
-
-            feature = get_layer(
-                self.config.layer_type,
-                graph_wrappers[i],
-                feature,
-                self.config.hidden_size,
-                act,
-                initializer,
-                learning_rate=fc_lr,
-                name="%s_%s" % (self.config.layer_type, i))
-            features.append(feature)
-        return features
-
-    def __call__(self, graph_wrappers):
-        inputs = self.build_inputs()
-        feature = self.build_embedding(graph_wrappers, inputs)
-        features = self.gnn_layers(graph_wrappers, feature)
-        outputs = [self.take_final_feature(features[-1], i, "final_fc") for i in inputs]
-        src_real_index = L.gather(graph_wrappers[0].node_feat['index'], inputs[0])
-        outputs.append(src_real_index)
-        return inputs, outputs
-
-def all_gather(X):
-    trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
-    trainer_num = int(os.getenv("PADDLE_TRAINERS_NUM", "0"))
-    if trainer_num == 1:
-        copy_X = X * 1
-        copy_X.stop_gradients=True
-        return copy_X
-
-    Xs = []
-    for i in range(trainer_num):
-        copy_X = X * 1
-        copy_X =  L.collective._broadcast(copy_X, i, True)
-        copy_X.stop_gradient=True
-        Xs.append(copy_X)
-
-    if len(Xs) > 1:
-        Xs=L.concat(Xs, 0)
-        Xs.stop_gradient=True
-    else:
-        Xs = Xs[0]
-    return Xs
-
-class BaseLoss(object):
-    def __init__(self, config):
-        self.config = config
-
-    def __call__(self, outputs):
-        user_feat, item_feat, neg_item_feat = outputs[0], outputs[1], outputs[2]
-        loss_type = self.config.loss_type
-
-        if self.config.neg_type == "batch_neg":
-            neg_item_feat = item_feat
-        # Calc Loss
-        if self.config.loss_type == "hinge":
-            pos = L.reduce_sum(user_feat * item_feat, -1, keep_dim=True) # [B, 1]
-            neg = L.matmul(user_feat, neg_item_feat, transpose_y=True) # [B, B]
-            loss = L.reduce_mean(L.relu(neg - pos + self.config.margin))
-        elif self.config.loss_type == "all_hinge":
-            pos = L.reduce_sum(user_feat * item_feat, -1, keep_dim=True) # [B, 1]
-            all_pos = all_gather(pos) # [B * n, 1]
-            all_neg_item_feat = all_gather(neg_item_feat) # [B * n, 1]
-            all_user_feat = all_gather(user_feat) # [B * n, 1]
-
-            neg1 = L.matmul(user_feat, all_neg_item_feat, transpose_y=True) # [B, B * n]
-            neg2 = L.matmul(all_user_feat, neg_item_feat, transpose_y=True) # [B *n, B]
-
-            loss1 = L.reduce_mean(L.relu(neg1 - pos + self.config.margin))
-            loss2 = L.reduce_mean(L.relu(neg2 - all_pos + self.config.margin))
-
-            #loss = (loss1 + loss2) / 2
-            loss = loss1 + loss2
-        
-        elif self.config.loss_type == "softmax":
-            pass
-            # TODO
-            # pos = L.reduce_sum(user_feat * item_feat, -1, keep_dim=True) # [B, 1]
-            # neg = L.matmul(user_feat, neg_feat, transpose_y=True) # [B, B]
-            # logits = L.concat([pos, neg], -1) # [B, 1+B]
-            # labels = L.fill_constant_batch_size_like(logits, [-1, 1], "int64", 0)
-            # loss = L.reduce_mean(L.softmax_with_cross_entropy(logits, labels))
-        else:
-            raise ValueError
-        return loss

examples/erniesage/models/erniesage_v2.py → examples/erniesage/models/encoder.py

+import numpy as np
 import pgl
 import paddle.fluid as F
 import paddle.fluid.layers as L
-from models.base import BaseNet, BaseGNNModel
 from models.ernie_model.ernie import ErnieModel
+from models.ernie_model.ernie import ErnieGraphModel
+from models.ernie_model.ernie import ErnieConfig
+from models import message_passing
+from models.message_passing import copy_send
 
 
-class ErnieSageV2(BaseNet):
+def get_layer(layer_type, gw, feature, hidden_size, act, initializer, learning_rate, name, is_test=False):
+    return getattr(message_passing, layer_type)(gw, feature, hidden_size, act, initializer, learning_rate, name)
 
-    def build_inputs(self):
-        inputs = super(ErnieSageV2, self).build_inputs()
-        term_ids = L.data(
-            "term_ids", shape=[None, self.config.max_seqlen], dtype="int64", append_batch_size=False)
-        return inputs + [term_ids]
+
+class Encoder(object):
+
+    def __init__(self, config):
+        self.config = config
+
+    @classmethod
+    def factory(cls, config):
+        model_type = config.model_type
+        if model_type == "ERNIESageV1":
+            return ERNIESageV1Encoder(config)
+        elif model_type == "ERNIESageV2":
+            return ERNIESageV2Encoder(config)
+        elif model_type == "ERNIESageV3":
+            return ERNIESageV3Encoder(config)
+        elif model_type == "ERNIESageV4":
+            return ERNIESageV4Encoder(config)
+        else:
+            raise ValueError
+
+    def __call__(self, graph_wrappers, inputs):
+        raise NotImplementedError
+
+
+class ERNIESageV1Encoder(Encoder):
+    def __call__(self, graph_wrappers, inputs):
+        feature = self.build_embedding(graph_wrappers[0].node_feat["term_ids"])
+
+        initializer = None
+        fc_lr = self.config.lr / 0.001
+        for i in range(self.config.num_layers):
+            if i == self.config.num_layers - 1:
+                act = None
+            else:
+                act = "leaky_relu"
+            feature = get_layer(
+                self.config.layer_type,
+                graph_wrappers[i],
+                feature,
+                self.config.hidden_size,
+                act,
+                initializer,
+                learning_rate=fc_lr,
+                name="%s_%s" % (self.config.layer_type, i))
+    
+        final_feats = [self.take_final_feature(feature, i, "final_fc") for i in inputs]
+        return final_feats
+
+    def build_embedding(self, term_ids):
+        term_ids = L.unsqueeze(term_ids, [-1])
+        ernie_config = self.config.ernie_config
+        ernie = ErnieModel(
+            src_ids=term_ids,
+            sentence_ids=L.zeros_like(term_ids),
+            task_ids=None,
+            config=ernie_config,
+            use_fp16=False,
+            name="")
+        feature = ernie.get_pooled_output()
+        return feature
+
+    def take_final_feature(self, feature, index, name):
+        """take final feature"""
+        feat = L.gather(feature, index, overwrite=False)
+
+        if self.config.final_fc:
+            feat = L.fc(feat,
+                           self.config.hidden_size,
+                           param_attr=F.ParamAttr(name=name + '_w'),
+                           bias_attr=F.ParamAttr(name=name + '_b'))
+
+        if self.config.final_l2_norm:
+            feat = L.l2_normalize(feat, axis=1)
+        return feat
+
+class ERNIESageV2Encoder(Encoder):
+    
+    def __call__(self, graph_wrappers, inputs):
+        feature = graph_wrappers[0].node_feat["term_ids"]
+        feature = self.gnn_layer(graph_wrappers[0], feature, self.config.hidden_size, 'leaky_relu', None, 1., "erniesage_v2_0")
+
+        initializer = None
+        fc_lr = self.config.lr / 0.001
+        for i in range(1, self.config.num_layers):
+            if i == self.config.num_layers - 1:
+                act = None
+            else:
+                act = "leaky_relu"
+            feature = get_layer(
+                self.config.layer_type,
+                graph_wrappers[i],
+                feature,
+                self.config.hidden_size,
+                act,
+                initializer,
+                learning_rate=fc_lr,
+                name="%s_%s" % (self.config.layer_type, i))
+    
+        final_feats = [self.take_final_feature(feature, i, "final_fc") for i in inputs]
+        return final_feats
+
+    def take_final_feature(self, feature, index, name):
+        """take final feature"""
+        feat = L.gather(feature, index, overwrite=False)
+
+        if self.config.final_fc:
+            feat = L.fc(feat,
+                           self.config.hidden_size,
+                           param_attr=F.ParamAttr(name=name + '_w'),
+                           bias_attr=F.ParamAttr(name=name + '_b'))
+
+        if self.config.final_l2_norm:
+            feat = L.l2_normalize(feat, axis=1)
+        return feat
 
     def gnn_layer(self, gw, feature, hidden_size, act, initializer, learning_rate, name):
         def build_position_ids(src_ids, dst_ids):
@@ -97,6 +211,36 @@ class ErnieSageV2(BaseNet):
             return output
         return erniesage_v2_aggregator(gw, feature, hidden_size, act, initializer, learning_rate, name)
 
+class ERNIESageV3Encoder(Encoder):
+
+    def __call__(self, graph_wrappers, inputs):
+        feature = graph_wrappers[0].node_feat["term_ids"]
+        feature = self.gnn_layer(graph_wrappers[0], feature, self.config.hidden_size, 'leaky_relu', None, 1., "erniesage_v3_0")
+
+        final_feats = [self.take_final_feature(feature, i, "final_fc") for i in inputs]
+        return final_feats
+
+    def gnn_layer(self, gw, feature, hidden_size, act, initializer, learning_rate, name):
+        def ernie_recv(feat):
+            """doc"""
+            num_neighbor = self.config.samples[0]
+            pad_value = L.zeros([1], "int64")
+            out, _ = L.sequence_pad(feat, pad_value=pad_value, maxlen=num_neighbor)
+            out = L.reshape(out, [0, self.config.max_seqlen*num_neighbor])
+            return out
+
+        def erniesage_v3_aggregator(gw, feature, hidden_size, act, initializer, learning_rate, name):
+            msg = gw.send(copy_send, nfeat_list=[("h", feature)])
+            neigh_feature = gw.recv(msg, ernie_recv)
+            neigh_feature = L.cast(L.unsqueeze(neigh_feature, [-1]), "int64")
+
+            feature = L.unsqueeze(feature, [-1])
+            cls = L.fill_constant_batch_size_like(feature, [-1, 1, 1], "int64", 1)
+            term_ids = L.concat([cls, feature[:, :-1], neigh_feature], 1)
+            term_ids.stop_gradient = True
+            return term_ids
+        return erniesage_v3_aggregator(gw, feature, hidden_size, act, initializer, learning_rate, name)
+
     def gnn_layers(self, graph_wrappers, feature):
         features = [feature]
 
@@ -116,20 +260,28 @@ class ErnieSageV2(BaseNet):
                 act,
                 initializer,
                 learning_rate=fc_lr,
-                name="%s_%s" % ("erniesage_v2", i))
+                name="%s_%s" % ("erniesage_v3", i))
             features.append(feature)
         return features
 
-    def __call__(self, graph_wrappers):
-        inputs = self.build_inputs()
-        feature = inputs[-1]
-        features = self.gnn_layers(graph_wrappers, feature)
-        outputs = [self.take_final_feature(features[-1], i, "final_fc") for i in inputs[:-1]]
-        src_real_index = L.gather(graph_wrappers[0].node_feat['index'], inputs[0])
-        outputs.append(src_real_index)
-        return inputs, outputs
+    def take_final_feature(self, feature, index, name):
+        """take final feature"""
+        feat = L.gather(feature, index, overwrite=False)
+
+        ernie_config = self.config.ernie_config
+        ernie = ErnieGraphModel(
+            src_ids=feat,
+            config=ernie_config,
+            slot_seqlen=self.config.max_seqlen)
+        feat = ernie.get_pooled_output()
+        fc_lr = self.config.lr / 0.001
 
+        if self.config.final_fc:
+            feat = L.fc(feat,
+                           self.config.hidden_size,
+                           param_attr=F.ParamAttr(name=name + '_w'),
+                           bias_attr=F.ParamAttr(name=name + '_b'))
 
-class ErnieSageModelV2(BaseGNNModel):
-    def gen_net_fn(self, config):
-        return ErnieSageV2(config)
+        if self.config.final_l2_norm:
+            feat = L.l2_normalize(feat, axis=1)
+        return feat

examples/erniesage/models/erniesage_v1.py

-import pgl
-import paddle.fluid as F
-import paddle.fluid.layers as L
-from models.base import BaseNet, BaseGNNModel
-from models.ernie_model.ernie import ErnieModel
-from models.ernie_model.ernie import ErnieGraphModel
-from models.ernie_model.ernie import ErnieConfig
-
-class ErnieSageV1(BaseNet):
-
-    def build_inputs(self):
-        inputs = super(ErnieSageV1, self).build_inputs()
-        term_ids = L.data(
-            "term_ids", shape=[None, self.config.max_seqlen], dtype="int64", append_batch_size=False)
-        return inputs + [term_ids]
-
-    def build_embedding(self, graph_wrappers, term_ids):
-        term_ids = L.unsqueeze(term_ids, [-1])
-        ernie_config = self.config.ernie_config
-        ernie = ErnieModel(
-            src_ids=term_ids,
-            sentence_ids=L.zeros_like(term_ids),
-            task_ids=None,
-            config=ernie_config,
-            use_fp16=False,
-            name="student_")
-        feature = ernie.get_pooled_output()
-        return feature
-
-    def __call__(self, graph_wrappers):
-        inputs = self.build_inputs()
-        feature = self.build_embedding(graph_wrappers, inputs[-1])
-        features = self.gnn_layers(graph_wrappers, feature)
-        outputs = [self.take_final_feature(features[-1], i, "final_fc") for i in inputs[:-1]]
-        src_real_index = L.gather(graph_wrappers[0].node_feat['index'], inputs[0])
-        outputs.append(src_real_index)
-        return inputs, outputs
-
-
-class ErnieSageModelV1(BaseGNNModel):
-    def gen_net_fn(self, config):
-        return ErnieSageV1(config)

examples/erniesage/models/erniesage_v3.py

-# Copyright (c) 2019 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 pgl
-import paddle.fluid as F
-import paddle.fluid.layers as L
-
-from models.base import BaseNet, BaseGNNModel
-from models.ernie_model.ernie import ErnieModel
-from models.ernie_model.ernie import ErnieGraphModel
-from models.message_passing import copy_send
-
-
-class ErnieSageV3(BaseNet):
-    def __init__(self, config):
-        super(ErnieSageV3, self).__init__(config)
-
-    def build_inputs(self):
-        inputs = super(ErnieSageV3, self).build_inputs()
-        term_ids = L.data(
-            "term_ids", shape=[None, self.config.max_seqlen], dtype="int64", append_batch_size=False)
-        return inputs + [term_ids]
-
-    def gnn_layer(self, gw, feature, hidden_size, act, initializer, learning_rate, name):
-        def ernie_recv(feat):
-            """doc"""
-            num_neighbor = self.config.samples[0]
-            pad_value = L.zeros([1], "int64")
-            out, _ = L.sequence_pad(feat, pad_value=pad_value, maxlen=num_neighbor)
-            out = L.reshape(out, [0, self.config.max_seqlen*num_neighbor])
-            return out
-
-        def erniesage_v3_aggregator(gw, feature, hidden_size, act, initializer, learning_rate, name):
-            msg = gw.send(copy_send, nfeat_list=[("h", feature)])
-            neigh_feature = gw.recv(msg, ernie_recv)
-            neigh_feature = L.cast(L.unsqueeze(neigh_feature, [-1]), "int64")
-
-            feature = L.unsqueeze(feature, [-1])
-            cls = L.fill_constant_batch_size_like(feature, [-1, 1, 1], "int64", 1)
-            term_ids = L.concat([cls, feature[:, :-1], neigh_feature], 1)
-            term_ids.stop_gradient = True
-            return term_ids
-        return erniesage_v3_aggregator(gw, feature, hidden_size, act, initializer, learning_rate, name)
-
-    def gnn_layers(self, graph_wrappers, feature):
-        features = [feature]
-
-        initializer = None
-        fc_lr = self.config.lr / 0.001
-
-        for i in range(self.config.num_layers):
-            if i == self.config.num_layers - 1:
-                act = None
-            else:
-                act = "leaky_relu"
-
-            feature = self.gnn_layer(
-                graph_wrappers[i],
-                feature,
-                self.config.hidden_size,
-                act,
-                initializer,
-                learning_rate=fc_lr,
-                name="%s_%s" % ("erniesage_v3", i))
-            features.append(feature)
-        return features
-
-    def take_final_feature(self, feature, index, name):
-        """take final feature"""
-        feat = L.gather(feature, index, overwrite=False)
-
-        ernie_config = self.config.ernie_config
-        ernie = ErnieGraphModel(
-            src_ids=feat,
-            config=ernie_config,
-            slot_seqlen=self.config.max_seqlen)
-        feat = ernie.get_pooled_output()
-        fc_lr = self.config.lr / 0.001
-        # feat = L.fc(feat,
-                   # self.config.hidden_size,
-                   # act="relu",
-                   # param_attr=F.ParamAttr(name=name + "_l",
-                   # learning_rate=fc_lr),
-                   # )
-        #feat = L.l2_normalize(feat, axis=1)
-
-        if self.config.final_fc:
-            feat = L.fc(feat,
-                           self.config.hidden_size,
-                           param_attr=F.ParamAttr(name=name + '_w'),
-                           bias_attr=F.ParamAttr(name=name + '_b'))
-
-        if self.config.final_l2_norm:
-            feat = L.l2_normalize(feat, axis=1)
-        return feat
-
-    def __call__(self, graph_wrappers):
-        inputs = self.build_inputs()
-        feature = inputs[-1]
-        features = self.gnn_layers(graph_wrappers, feature)
-        outputs = [self.take_final_feature(features[-1], i, "final_fc") for i in inputs[:-1]]
-        src_real_index = L.gather(graph_wrappers[0].node_feat['index'], inputs[0])
-        outputs.append(src_real_index)
-        return inputs, outputs
-    
-
-class ErnieSageModelV3(BaseGNNModel):
-    def gen_net_fn(self, config):
-        return ErnieSageV3(config)

examples/erniesage/models/loss.py

+# Copyright (c) 2019 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 time
+import glob
+import os
+
+import numpy as np
+
+import pgl
+import paddle.fluid as F
+import paddle.fluid.layers as L
+
+
+class Loss(object):
+
+    def __init__(self, config):
+        self.config = config
+
+    @classmethod
+    def factory(cls, config):
+        loss_type = config.loss_type
+        if loss_type == "hinge":
+            return HingeLoss(config)
+        elif loss_type == "global_hinge":
+            return GlobalHingeLoss(config)
+        elif loss_type == "softmax_with_cross_entropy":
+            return lambda logits, label: L.reduce_mean(L.softmax_with_cross_entropy(logits, label))
+        else:
+            raise ValueError
+
+
+class HingeLoss(Loss):
+
+    def __call__(self, user_feat, pos_item_feat, neg_item_feat):
+        pos = L.reduce_sum(user_feat * pos_item_feat, -1, keep_dim=True) # [B, 1]
+        neg = L.matmul(user_feat, neg_item_feat, transpose_y=True) # [B, B]
+        loss = L.reduce_mean(L.relu(neg - pos + self.config.margin))
+        return loss
+
+
+def all_gather(X):
+    trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
+    trainer_num = int(os.getenv("PADDLE_TRAINERS_NUM", "0"))
+    if trainer_num == 1:
+        copy_X = X * 1
+        copy_X.stop_gradient=True
+        return copy_X
+
+    Xs = []
+    for i in range(trainer_num):
+        copy_X = X * 1
+        copy_X =  L.collective._broadcast(copy_X, i, True)
+        copy_X.stop_gradient=True
+        Xs.append(copy_X)
+
+    if len(Xs) > 1:
+        Xs=L.concat(Xs, 0)
+        Xs.stop_gradient=True
+    else:
+        Xs = Xs[0]
+    return Xs
+
+
+class GlobalHingeLoss(Loss):
+
+    def __call__(self, user_feat, pos_item_feat, neg_item_feat):
+        pos = L.reduce_sum(user_feat * pos_item_feat, -1, keep_dim=True) # [B, 1]
+        all_pos = all_gather(pos) # [B * n, 1]
+        all_neg_item_feat = all_gather(neg_item_feat) # [B * n, 1]
+        all_user_feat = all_gather(user_feat) # [B * n, 1]
+
+        neg1 = L.matmul(user_feat, all_neg_item_feat, transpose_y=True) # [B, B * n]
+        neg2 = L.matmul(all_user_feat, neg_item_feat, transpose_y=True) # [B *n, B]
+
+        loss1 = L.reduce_mean(L.relu(neg1 - pos + self.config.margin))
+        loss2 = L.reduce_mean(L.relu(neg2 - all_pos + self.config.margin))
+
+        loss = loss1 + loss2
+        return loss

examples/erniesage/models/model_factory.py

-from models.base import BaseGNNModel
-from models.ernie import ErnieModel
-from models.erniesage_v1 import ErnieSageModelV1
-from models.erniesage_v2 import ErnieSageModelV2
-from models.erniesage_v3 import ErnieSageModelV3
-
-class Model(object):
-    @classmethod
-    def factory(cls, config):
-        name = config.model_type
-        if name == "BaseGNNModel":
-            return BaseGNNModel(config)
-        if name == "ErnieModel":
-            return ErnieModel(config)
-        if name == "ErnieSageModelV1":
-            return ErnieSageModelV1(config)
-        if name == "ErnieSageModelV2":
-            return ErnieSageModelV2(config)
-        if name == "ErnieSageModelV3":
-            return ErnieSageModelV3(config)
-        else:
-            raise ValueError
-
-