merge

branch 'master' of https://github.com/PaddlePaddle/PaddleRec into multiview-simnet

merge
branch 'master' of https://github.com/PaddlePaddle/PaddleRec into multiview-simnet
63ea5c78 · yinhaofeng · 20b5bcce · 14a31629 · 63ea5c78 · 63ea5c78
15 changed file
--- a/core/engine/cluster/cloud/k8s_config.ini.template
+++ b/core/engine/cluster/cloud/k8s_config.ini.template
@@ -19,6 +19,7 @@ afs_local_mount_point="/root/paddlejob/workspace/env_run/afs/"
 # 新k8s afs挂载帮助文档: http://wiki.baidu.com/pages/viewpage.action?pageId=906443193

 PADDLE_PADDLEREC_ROLE=WORKER
+PADDLEREC_CLUSTER_TYPE=K8S
 use_python3=<$ USE_PYTHON3 $>
 CPU_NUM=<$ CPU_NUM $>
 GLOG_v=0

--- a/core/engine/cluster/cloud/mpi_config.ini.template
+++ b/core/engine/cluster/cloud/mpi_config.ini.template
@@ -17,6 +17,7 @@ output_path=<$ OUTPUT_PATH $>
 thirdparty_path=<$ THIRDPARTY_PATH $>

 PADDLE_PADDLEREC_ROLE=WORKER
+PADDLEREC_CLUSTER_TYPE=MPI
 use_python3=<$ USE_PYTHON3 $>
 CPU_NUM=<$ CPU_NUM $>
 GLOG_v=0

--- a/core/trainer.py
+++ b/core/trainer.py
@@ -107,6 +107,7 @@ class Trainer(object):
            self.device = Device.GPU
            gpu_id = int(os.environ.get('FLAGS_selected_gpus', 0))
            self._place = fluid.CUDAPlace(gpu_id)
+            print("PaddleRec run on device GPU: {}".format(gpu_id))
            self._exe = fluid.Executor(self._place)
        elif device == "CPU":
            self.device = Device.CPU
@@ -146,6 +147,7 @@ class Trainer(object):
        elif engine.upper() == "CLUSTER":
            self.engine = EngineMode.CLUSTER
            self.is_fleet = True
+            self.which_cluster_type()
        else:
            raise ValueError("Not Support Engine {}".format(engine))
        self._context["is_fleet"] = self.is_fleet
@@ -165,6 +167,14 @@ class Trainer(object):
        self._context["is_pslib"] = (fleet_mode.upper() == "PSLIB")
        self._context["fleet_mode"] = fleet_mode

+    def which_cluster_type(self):
+        cluster_type = os.getenv("PADDLEREC_CLUSTER_TYPE", "MPI")
+        print("PADDLEREC_CLUSTER_TYPE: {}".format(cluster_type))
+        if cluster_type and cluster_type.upper() == "K8S":
+            self._context["cluster_type"] = "K8S"
+        else:
+            self._context["cluster_type"] = "MPI"
+
    def which_executor_mode(self):
        executor_mode = envs.get_runtime_environ("train.trainer.executor_mode")
        if executor_mode.upper() not in ["TRAIN", "INFER"]:

--- a/core/trainers/framework/dataset.py
+++ b/core/trainers/framework/dataset.py
@@ -21,7 +21,7 @@ from paddlerec.core.utils import envs
 from paddlerec.core.utils import dataloader_instance
 from paddlerec.core.reader import SlotReader
 from paddlerec.core.trainer import EngineMode
-from paddlerec.core.utils.util import split_files
+from paddlerec.core.utils.util import split_files, check_filelist

 __all__ = ["DatasetBase", "DataLoader", "QueueDataset"]

@@ -119,14 +119,30 @@ class QueueDataset(DatasetBase):
        dataset.set_pipe_command(pipe_cmd)
        train_data_path = envs.get_global_env(name + "data_path")

-        file_list = [
-            os.path.join(train_data_path, x)
-            for x in os.listdir(train_data_path)
-        ]
+        hidden_file_list, file_list = check_filelist(
+            hidden_file_list=[],
+            data_file_list=[],
+            train_data_path=train_data_path)
+        if (hidden_file_list is not None):
+            print(
+                "Warning:please make sure there are no hidden files in the dataset folder and check these hidden files:{}".
+                format(hidden_file_list))
+
+        file_list.sort()
+        need_split_files = False
        if context["engine"] == EngineMode.LOCAL_CLUSTER:
+            # for local cluster: split files for multi process
+            need_split_files = True
+        elif context["engine"] == EngineMode.CLUSTER and context[
+                "cluster_type"] == "K8S":
+            # for k8s mount afs, split files for every node
+            need_split_files = True
+
+        if need_split_files:
            file_list = split_files(file_list, context["fleet"].worker_index(),
                                    context["fleet"].worker_num())
        print("File_list: {}".format(file_list))
+
        dataset.set_filelist(file_list)
        for model_dict in context["phases"]:
            if model_dict["dataset_name"] == dataset_name:

--- a/core/trainers/framework/runner.py
+++ b/core/trainers/framework/runner.py
@@ -16,6 +16,7 @@ from __future__ import print_function

 import os
 import time
+import warnings
 import numpy as np
 import paddle.fluid as fluid

@@ -284,6 +285,7 @@ class RunnerBase(object):
            return (epoch_id + 1) % epoch_interval == 0

        def save_inference_model():
+            # get global env
            name = "runner." + context["runner_name"] + "."
            save_interval = int(
                envs.get_global_env(name + "save_inference_interval", -1))
@@ -296,16 +298,42 @@ class RunnerBase(object):
            if feed_varnames is None or fetch_varnames is None or feed_varnames == "" or fetch_varnames == "" or \
                    len(feed_varnames) == 0 or len(fetch_varnames) == 0:
                return
-            fetch_vars = [
-                fluid.default_main_program().global_block().vars[varname]
-                for varname in fetch_varnames
-            ]
+
+            # check feed var exist
+            for var_name in feed_varnames:
+                if var_name not in fluid.default_main_program().global_block(
+                ).vars:
+                    raise ValueError(
+                        "Feed variable: {} not in default_main_program, global block has follow vars: {}".
+                        format(var_name,
+                               fluid.default_main_program().global_block()
+                               .vars.keys()))
+
+            # check fetch var exist
+            fetch_vars = []
+            for var_name in fetch_varnames:
+                if var_name not in fluid.default_main_program().global_block(
+                ).vars:
+                    raise ValueError(
+                        "Fetch variable: {} not in default_main_program, global block has follow vars: {}".
+                        format(var_name,
+                               fluid.default_main_program().global_block()
+                               .vars.keys()))
+                else:
+                    fetch_vars.append(fluid.default_main_program()
+                                      .global_block().vars[var_name])
+
            dirname = envs.get_global_env(name + "save_inference_path", None)

            assert dirname is not None
            dirname = os.path.join(dirname, str(epoch_id))

            if is_fleet:
+                warnings.warn(
+                    "Save inference model in cluster training is not recommended! Using save checkpoint instead.",
+                    category=UserWarning,
+                    stacklevel=2)
+                if context["fleet"].worker_index() == 0:
                    context["fleet"].save_inference_model(
                        context["exe"], dirname, feed_varnames, fetch_vars)
            else:
@@ -323,6 +351,7 @@ class RunnerBase(object):
                return
            dirname = os.path.join(dirname, str(epoch_id))
            if is_fleet:
+                if context["fleet"].worker_index() == 0:
                    context["fleet"].save_persistables(context["exe"], dirname)
            else:
                fluid.io.save_persistables(context["exe"], dirname)

--- a/core/utils/dataloader_instance.py
+++ b/core/utils/dataloader_instance.py
@@ -19,7 +19,7 @@ from paddlerec.core.utils.envs import get_global_env
 from paddlerec.core.utils.envs import get_runtime_environ
 from paddlerec.core.reader import SlotReader
 from paddlerec.core.trainer import EngineMode
-from paddlerec.core.utils.util import split_files
+from paddlerec.core.utils.util import split_files, check_filelist


 def dataloader_by_name(readerclass,
@@ -38,11 +38,27 @@ def dataloader_by_name(readerclass,
        assert package_base is not None
        data_path = os.path.join(package_base, data_path.split("::")[1])

-    files = [str(data_path) + "/%s" % x for x in os.listdir(data_path)]
+    hidden_file_list, files = check_filelist(
+        hidden_file_list=[], data_file_list=[], train_data_path=data_path)
+    if (hidden_file_list is not None):
+        print(
+            "Warning:please make sure there are no hidden files in the dataset folder and check these hidden files:{}".
+            format(hidden_file_list))
+
+    files.sort()
+
+    need_split_files = False
    if context["engine"] == EngineMode.LOCAL_CLUSTER:
+        # for local cluster: split files for multi process
+        need_split_files = True
+    elif context["engine"] == EngineMode.CLUSTER and context[
+            "cluster_type"] == "K8S":
+        # for k8s mount mode, split files for every node
+        need_split_files = True
+    print("need_split_files: {}".format(need_split_files))
+    if need_split_files:
        files = split_files(files, context["fleet"].worker_index(),
                            context["fleet"].worker_num())
-    print("file_list : {}".format(files))

    reader = reader_class(yaml_file)
    reader.init()
@@ -80,11 +96,27 @@ def slotdataloader_by_name(readerclass, dataset_name, yaml_file, context):
        assert package_base is not None
        data_path = os.path.join(package_base, data_path.split("::")[1])

-    files = [str(data_path) + "/%s" % x for x in os.listdir(data_path)]
+    hidden_file_list, files = check_filelist(
+        hidden_file_list=[], data_file_list=[], train_data_path=data_path)
+    if (hidden_file_list is not None):
+        print(
+            "Warning:please make sure there are no hidden files in the dataset folder and check these hidden files:{}".
+            format(hidden_file_list))
+
+    files.sort()
+
+    need_split_files = False
    if context["engine"] == EngineMode.LOCAL_CLUSTER:
+        # for local cluster: split files for multi process
+        need_split_files = True
+    elif context["engine"] == EngineMode.CLUSTER and context[
+            "cluster_type"] == "K8S":
+        # for k8s mount mode, split files for every node
+        need_split_files = True
+
+    if need_split_files:
        files = split_files(files, context["fleet"].worker_index(),
                            context["fleet"].worker_num())
-        print("file_list: {}".format(files))

    sparse = get_global_env(name + "sparse_slots", "#")
    if sparse == "":
@@ -134,11 +166,27 @@ def slotdataloader(readerclass, train, yaml_file, context):
        assert package_base is not None
        data_path = os.path.join(package_base, data_path.split("::")[1])

-    files = [str(data_path) + "/%s" % x for x in os.listdir(data_path)]
+    hidden_file_list, files = check_filelist(
+        hidden_file_list=[], data_file_list=[], train_data_path=data_path)
+    if (hidden_file_list is not None):
+        print(
+            "Warning:please make sure there are no hidden files in the dataset folder and check these hidden files:{}".
+            format(hidden_file_list))
+
+    files.sort()
+
+    need_split_files = False
    if context["engine"] == EngineMode.LOCAL_CLUSTER:
+        # for local cluster: split files for multi process
+        need_split_files = True
+    elif context["engine"] == EngineMode.CLUSTER and context[
+            "cluster_type"] == "K8S":
+        # for k8s mount mode, split files for every node
+        need_split_files = True
+
+    if need_split_files:
        files = split_files(files, context["fleet"].worker_index(),
                            context["fleet"].worker_num())
-        print("file_list: {}".format(files))

    sparse = get_global_env("sparse_slots", "#", namespace)
    if sparse == "":

--- a/core/utils/util.py
+++ b/core/utils/util.py
@@ -201,6 +201,28 @@ def split_files(files, trainer_id, trainers):
    return trainer_files[trainer_id]


+def check_filelist(hidden_file_list, data_file_list, train_data_path):
+    for root, dirs, files in os.walk(train_data_path):
+        if (files == None and dirs == None):
+            return None, None
+        else:
+            # use files and dirs
+            for file_name in files:
+                file_path = os.path.join(train_data_path, file_name)
+                if file_name[0] == '.':
+                    hidden_file_list.append(file_path)
+                else:
+                    data_file_list.append(file_path)
+            for dirs_name in dirs:
+                dirs_path = os.path.join(train_data_path, dirs_name)
+                if dirs_name[0] == '.':
+                    hidden_file_list.append(dirs_path)
+                else:
+                    #train_data_path = os.path.join(train_data_path, dirs_name)
+                    check_filelist(hidden_file_list, data_file_list, dirs_path)
+            return hidden_file_list, data_file_list
+
+
 class CostPrinter(object):
    """
    For count cost time && print cost log

--- a/models/contentunderstanding/classification/config.yaml
+++ b/models/contentunderstanding/classification/config.yaml
@@ -16,9 +16,14 @@ workspace: "models/contentunderstanding/classification"

 dataset:
 - name: data1
-  batch_size: 5
+  batch_size: 10
  type: DataLoader
-  data_path: "{workspace}/data/train_data"
+  data_path: "{workspace}/data/train"
+  data_converter: "{workspace}/reader.py"
+- name: dataset_infer
+  batch_size: 2
+  type: DataLoader
+  data_path: "{workspace}/data/test"
  data_converter: "{workspace}/reader.py"

 hyper_parameters:
@@ -26,23 +31,47 @@ hyper_parameters:
    class: Adagrad
    learning_rate: 0.001
  is_sparse: False
+  dict_dim: 33257
+  max_len: 100
+  cnn_dim: 128
+  cnn_filter_size1: 1
+  cnn_filter_size2: 2
+  cnn_filter_size3: 3
+  emb_dim: 128
+  hid_dim: 96
+  class_dim: 2

-mode: runner1
+mode: [train_runner,infer_runner]

 runner:
- name: runner1
+- name: train_runner
  class: train
-  epochs: 10
+  epochs: 16
  device: cpu
-  save_checkpoint_interval: 2
-  save_inference_interval: 4
+  save_checkpoint_interval: 1
+  save_inference_interval: 1
  save_checkpoint_path: "increment"
  save_inference_path: "inference"
  save_inference_feed_varnames: []
  save_inference_fetch_varnames: []
+  init_model_path: "" 
+  print_interval: 10
+  phases: phase_train
+- name: infer_runner
+  class: infer
+  # device to run training or infer
+  device: cpu
+  print_interval: 1
+  init_model_path: "increment/14" # load model path
+  phases: phase_infer
+
  
 phase:
- name: phase1
+- name: phase_train
  model: "{workspace}/model.py"
  dataset_name: data1
  thread_num: 1
+- name: phase_infer
+  model: "{workspace}/model.py" # user-defined model
+  dataset_name: dataset_infer # select dataset by name
+  thread_num: 1
--- a/models/contentunderstanding/classification/data/preprocess.py
+++ b/models/contentunderstanding/classification/data/preprocess.py
+# encoding=utf-8
+import os
+import sys
+
+
+def build_word_dict():
+    word_file = "word_dict.txt"
+    f = open(word_file, "r")
+    lines = f.readlines()
+    word_list_ids = range(1, len(lines) + 1)
+    word_dict = dict(zip([word.strip() for word in lines], word_list_ids))
+    f.close()
+    return word_dict
+
+
+def build_token_data(word_dict, txt_file, token_file):
+    max_text_size = 100
+
+    f = open(txt_file, "r")
+    fout = open(token_file, "w")
+    lines = f.readlines()
+    i = 0
+
+    for line in lines:
+        line = line.strip("\n").split("\t")
+        text = line[0].strip("\n").split(" ")
+        tokens = []
+        label = line[1]
+        for word in text:
+            if word in word_dict:
+                tokens.append(str(word_dict[word]))
+            else:
+                tokens.append("0")
+
+        seg_len = len(tokens)
+        if seg_len < 5:
+            continue
+        if seg_len >= max_text_size:
+            tokens = tokens[:max_text_size]
+            seg_len = max_text_size
+        else:
+            tokens = tokens + ["0"] * (max_text_size - seg_len)
+        text_tokens = " ".join(tokens)
+        fout.write(text_tokens + " " + str(seg_len) + " " + label + "\n")
+        if (i + 1) % 100 == 0:
+            print(str(i + 1) + " lines OK")
+        i += 1
+
+    fout.close()
+    f.close()
+
+
+word_dict = build_word_dict()
+
+txt_file = "test.tsv"
+token_file = "test.txt"
+build_token_data(word_dict, txt_file, token_file)
+
+txt_file = "dev.tsv"
+token_file = "dev.txt"
+build_token_data(word_dict, txt_file, token_file)
+
+txt_file = "train.tsv"
+token_file = "train.txt"
+build_token_data(word_dict, txt_file, token_file)
--- a/models/contentunderstanding/classification/data/test/test.txt
+++ b/models/contentunderstanding/classification/data/test/test.txt
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+28587 14745 2018 1580 3574 19636 9052 14160 19683 16576 0 0 6007 5361 26370 5391 785 3574 0 17010 28587 27857 19048 20558 9051 3574 6007 0 0 22897 18323 1447 2019 0 0 32391 17536 24961 19048 9749 18448 3574 24283 6356 7648 26789 2019 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 47 0
+24908 18920 1400 665 16167 12211 17293 3574 13518 28952 8393 23504 3574 31266 12211 30781 4477 2019 4654 18896 4289 13841 4822 3574 24908 27376 15243 18416 8052 20077 17493 17317 3574 14842 16949 3574 12081 28961 2276 0 14399 20158 14398 16335 12211 3699 7697 6318 69 2019 11924 8053 27376 12211 14039 3574 21210 23273 3574 1732 30818 17942 22561 3083 2019 17268 12700 28892 9108 16576 26203 19037 23872 3574 14988 31773 3574 33140 1725 24908 0 8053 8052 13841 3574 25944 0 2019 4032 5025 13841 19185 12211 14039 3574 665 0 12211 4822 6988 100 1
+29728 31619 6149 5402 113 7317 11738 3574 31482 11924 16576 17657 6541 9761 3574 31224 5402 21141 3574 6356 16191 19640 14451 26154 7192 16076 3567 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 27 0
+29302 11364 19059 13652 12211 3574 7898 30781 6356 7961 14954 21752 7340 2019 29302 11401 8328 3574 20384 20034 1460 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21 0
+4592 12211 31382 11030 3574 7961 6356 136 11714 31881 31478 3574 7957 11533 17413 3574 18835 14451 14550 11533 389 3574 14444 20444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 24 1
+18416 24908 0 5233 22185 12211 29183 18956 30781 9668 8904 15168 18416 16108 29183 18416 29123 4351 28845 11709 11731 30486 21200 3574 4351 32986 8052 13757 11711 16497 25138 18448 3006 30326 20837 6356 16060 11231 13757 18448 11731 29173 3576 18835 27924 11711 11533 11225 3574 17386 15934 7288 0 26216 12211 1542 3574 24908 12511 18416 16060 11231 32842 18448 11731 29173 3574 18956 9668 31387 755 32986 18416 28972 18855 30781 18448 3006 30326 20837 30781 8052 13757 15048 18448 11731 29173 12211 3574 19640 18584 18416 32986 25710 18416 2276 29173 12211 22052 24908 100 0
--- a/models/contentunderstanding/classification/data/train/train.txt
+++ b/models/contentunderstanding/classification/data/train/train.txt
--- a/models/contentunderstanding/classification/data/train_data/part-0.txt
+++ b/models/contentunderstanding/classification/data/train_data/part-0.txt
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--- a/models/contentunderstanding/classification/model.py
+++ b/models/contentunderstanding/classification/model.py
@@ -20,28 +20,32 @@ from paddlerec.core.model import ModelBase
 class Model(ModelBase):
    def __init__(self, config):
        ModelBase.__init__(self, config)
-        self.dict_dim = 100
-        self.max_len = 10
-        self.cnn_dim = 32
-        self.cnn_filter_size = 128
-        self.emb_dim = 8
-        self.hid_dim = 128
-        self.class_dim = 2
-        self.is_sparse = envs.get_global_env("hyper_parameters.is_sparse",
-                                             False)
+        self.dict_dim = envs.get_global_env("hyper_parameters.dict_dim")
+        self.max_len = envs.get_global_env("hyper_parameters.max_len")
+        self.cnn_dim = envs.get_global_env("hyper_parameters.cnn_dim")
+        self.cnn_filter_size1 = envs.get_global_env(
+            "hyper_parameters.cnn_filter_size1")
+        self.cnn_filter_size2 = envs.get_global_env(
+            "hyper_parameters.cnn_filter_size2")
+        self.cnn_filter_size3 = envs.get_global_env(
+            "hyper_parameters.cnn_filter_size3")
+        self.emb_dim = envs.get_global_env("hyper_parameters.emb_dim")
+        self.hid_dim = envs.get_global_env("hyper_parameters.hid_dim")
+        self.class_dim = envs.get_global_env("hyper_parameters.class_dim")
+        self.is_sparse = envs.get_global_env("hyper_parameters.is_sparse")

    def input_data(self, is_infer=False, **kwargs):
        data = fluid.data(
            name="input", shape=[None, self.max_len], dtype='int64')
-        label = fluid.data(name="label", shape=[None, 1], dtype='int64')
        seq_len = fluid.data(name="seq_len", shape=[None], dtype='int64')
-        return [data, label, seq_len]
+        label = fluid.data(name="label", shape=[None, 1], dtype='int64')
+        return [data, seq_len, label]

    def net(self, input, is_infer=False):
        """ network definition """
        data = input[0]
-        label = input[1]
-        seq_len = input[2]
+        seq_len = input[1]
+        label = input[2]

        # embedding layer
        emb = fluid.embedding(
@@ -50,15 +54,31 @@ class Model(ModelBase):
            is_sparse=self.is_sparse)
        emb = fluid.layers.sequence_unpad(emb, length=seq_len)
        # convolution layer
-        conv = fluid.nets.sequence_conv_pool(
+        conv1 = fluid.nets.sequence_conv_pool(
+            input=emb,
+            num_filters=self.cnn_dim,
+            filter_size=self.cnn_filter_size1,
+            act="tanh",
+            pool_type="max")
+
+        conv2 = fluid.nets.sequence_conv_pool(
            input=emb,
            num_filters=self.cnn_dim,
-            filter_size=self.cnn_filter_size,
+            filter_size=self.cnn_filter_size2,
            act="tanh",
            pool_type="max")

+        conv3 = fluid.nets.sequence_conv_pool(
+            input=emb,
+            num_filters=self.cnn_dim,
+            filter_size=self.cnn_filter_size3,
+            act="tanh",
+            pool_type="max")
+
+        convs_out = fluid.layers.concat(input=[conv1, conv2, conv3], axis=1)
+
        # full connect layer
-        fc_1 = fluid.layers.fc(input=[conv], size=self.hid_dim)
+        fc_1 = fluid.layers.fc(input=convs_out, size=self.hid_dim, act="tanh")
        # softmax layer
        prediction = fluid.layers.fc(input=[fc_1],
                                     size=self.class_dim,
@@ -70,5 +90,7 @@ class Model(ModelBase):
        self._cost = avg_cost
        if is_infer:
            self._infer_results["acc"] = acc
+            self._infer_results["loss"] = avg_cost
        else:
            self._metrics["acc"] = acc
+            self._metrics["loss"] = avg_cost
--- a/models/contentunderstanding/classification/reader.py
+++ b/models/contentunderstanding/classification/reader.py
@@ -23,9 +23,10 @@ class Reader(ReaderBase):

    def _process_line(self, l):
        l = l.strip().split()
-        data = l[0:10]
-        seq_len = l[10:11]
-        label = l[11:]
+        data = l[0:100]
+        seq_len = l[100:101]
+        label = l[101:]
+
        return data, label, seq_len

    def generate_sample(self, line):
@@ -37,6 +38,6 @@ class Reader(ReaderBase):
            data = [int(i) for i in data]
            label = [int(i) for i in label]
            seq_len = [int(i) for i in seq_len]
-            yield [('data', data), ('label', label), ('seq_len', seq_len)]
+            yield [('data', data), ('seq_len', seq_len), ('label', label)]

        return data_iter
--- a/models/contentunderstanding/classification/readme.md
+++ b/models/contentunderstanding/classification/readme.md
+# classification文本分类模型
+
+以下是本例的简要目录结构及说明： 
+
+```
+├── data #样例数据
+	├── train
+		├── train.txt #训练数据样例
+	├── test
+    	├── test.txt #测试数据样例
+	├── preprocess.py #数据处理程序
+├── __init__.py
+├── README.md #文档
+├── model.py #模型文件
+├── config.yaml #配置文件
+├── reader.py #读取程序
+```
+
+注：在阅读该示例前，建议您先了解以下内容：
+[paddlerec入门教程](https://github.com/PaddlePaddle/PaddleRec/blob/master/README.md)  
+
+
+## 内容
+
+- [模型简介](#模型简介)
+- [数据准备](#数据准备)
+- [运行环境](#运行环境)
+- [快速开始](#快速开始)
+- [效果复现](#效果复现)
+- [进阶使用](#进阶使用)
+- [FAQ](#FAQ)
+
+
+## 模型简介
+TextCNN网络是2014年提出的用来做文本分类的卷积神经网络，由于其结构简单、效果好，在文本分类、推荐等NLP领域应用广泛。对于文本分类问题，常见的方法无非就是抽取文本的特征。然后再基于抽取的特征训练一个分类器。 然而研究证明，TextCnn在文本分类问题上有着更加卓越的表现。从直观上理解，TextCNN通过一维卷积来获取句子中n-gram的特征表示。TextCNN对文本浅层特征的抽取能力很强，在短文本领域专注于意图分类时效果很好，应用广泛，且速度较快。  
+Yoon Kim在论文[EMNLP 2014][Convolutional neural networks for sentence classication](https://www.aclweb.org/anthology/D14-1181.pdf)提出了TextCNN并给出基本的结构。将卷积神经网络CNN应用到文本分类任务，利用多个不同size的kernel来提取句子中的关键信息（类似于多窗口大小的ngram），从而能够更好地捕捉局部相关性。模型的主体结构如图所示：  
+<p align="center">
+<img align="center" src="../../../doc/imgs/cnn-ckim2014.png">
+<p>
+
+## 数据准备
+情感倾向分析（Sentiment Classification，简称Senta）针对带有主观描述的中文文本，可自动判断该文本的情感极性类别并给出相应的置信度。情感类型分为积极、消极。情感倾向分析能够帮助企业理解用户消费习惯、分析热点话题和危机舆情监控，为企业提供有利的决策支持。  
+情感是人类的一种高级智能行为，为了识别文本的情感倾向，需要深入的语义建模。另外，不同领域（如餐饮、体育）在情感的表达各不相同，因而需要有大规模覆盖各个领域的数据进行模型训练。为此，我们通过基于深度学习的语义模型和大规模数据挖掘解决上述两个问题。效果上，我们基于开源情感倾向分类数据集ChnSentiCorp进行评测，模型在测试集上的准确率如表所示：  
+
+| 模型 | dev | test | 
+| :------| :------ | :------
+| TextCNN | 90.75% | 92.19% |
+
+
+您可以直接执行以下命令下载我们分词完毕后的数据集,文件解压之后，senta_data目录下会存在训练数据（train.tsv）、开发集数据（dev.tsv）、测试集数据（test.tsv）以及对应的词典（word_dict.txt）：  
+
+``` 
+wget https://baidu-nlp.bj.bcebos.com/sentiment_classification-dataset-1.0.0.tar.gz
+tar -zxvf sentiment_classification-dataset-1.0.0.tar.gz
+```
+数据格式为一句中文的评价语句，和一个代表情感信息的标签。两者之间用/t分隔，中文的评价语句已经分词，词之间用空格分隔。  
+```
+15.4寸 笔记本 的 键盘 确实 爽 ， 基本 跟 台式机 差不多 了 ， 蛮 喜欢 数字 小 键盘 ， 输 数字 特 方便 ， 样子 也 很 美观 ， 做工 也 相当 不错    1
+跟 心灵 鸡汤 没 什么 本质 区别 嘛 ， 至少 我 不 喜欢 这样 读 经典 ， 把 经典 都 解读 成 这样 有点 去 中国 化 的 味道 了 0
+```
+
+## 运行环境
+PaddlePaddle>=1.7.2
+
+python 2.7/3.5/3.6/3.7
+
+PaddleRec >=0.1
+
+os : windows/linux/macos
+
+
+## 快速开始
+本文提供了样例数据可以供您快速体验，在paddlerec目录下直接执行下面的命令即可启动训练： 
+
+```
+python -m paddlerec.run -m models/contentunderstanding/classification/config.yaml
+```   
+
+
+## 效果复现
+为了方便使用者能够快速的跑通每一个模型，我们在每个模型下都提供了样例数据。如果需要复现readme中的效果,请按如下步骤依次操作即可。  
+1. 确认您当前所在目录为PaddleRec/models/contentunderstanding/classification  
+2. 下载并解压数据集，命令如下：  
+``` 
+wget https://baidu-nlp.bj.bcebos.com/sentiment_classification-dataset-1.0.0.tar.gz
+tar -zxvf sentiment_classification-dataset-1.0.0.tar.gz
+```
+3. 本文提供了快速将数据集中的汉字数据处理为可训练格式数据的脚本，您在解压数据集后，将preprocess.py复制到senta_data文件中并执行，即可将数据集中提供的dev.tsv，test.tsv，train.tsv转化为可直接训练的dev.txt，test.txt，train.txt.
+```
+cp ./data/preprocess.py ./senta_data/
+cd senta_data/
+python preprocess.py
+```
+4. 创建存放训练集和测试集的目录，将数据放入目录中。
+```
+mkdir train
+mv train.txt train
+mkdir test
+mv dev.txt  test
+cd ..
+```  
+5. 打开文件config.yaml,更改其中的参数  
+
+将workspace改为您当前的绝对路径。（可用pwd命令获取绝对路径）  
+将data1下的batch_size值从10改为128    
+将data1下的data_path改为：{workspace}/senta_data/train  
+将dataset_infer下的batch_size值从2改为256  
+将dataset_infer下的data_path改为：{workspace}/senta_data/test  
+
+6.  执行命令，开始训练：
+```
+python -m paddlerec.run -m ./config.yaml
+```
+
+7. 运行结果：
+```
+PaddleRec: Runner infer_runner Begin
+Executor Mode: infer
+processor_register begin
+Running SingleInstance.
+Running SingleNetwork.
+Running SingleInferStartup.
+Running SingleInferRunner.
+load persistables from increment/14
+batch: 1, acc: [0.91796875], loss: [0.2287855]
+batch: 2, acc: [0.91796875], loss: [0.22827303]
+batch: 3, acc: [0.90234375], loss: [0.27907994]
+```
+## 进阶使用
+  
+## FAQ