!5309 wide&deep field slice mode

Merge pull request !5309 from yao_yf/wide_and_deep_field_slice

model_zoo/official/recommend/wide_and_deep/script/run_auto_parallel_train_cluster.sh

@@ -41,6 +41,8 @@ do
   cd ${execute_path}/device_$RANK_ID || exit
   if [ $MODE == "host_device_mix" ]; then
     python -s ${self_path}/../train_and_eval_auto_parallel.py --data_path=$DATASET --epochs=$EPOCH_SIZE --vocab_size=$VOCAB_SIZE --emb_dim=$EMB_DIM --dropout_flag=1 --host_device_mix=1 >train_deep$i.log 2>&1 &
+  elif [ $MODE == "field_slice_host_device_mix" ]; then
+    python -s ${self_path}/../train_and_eval_auto_parallel.py --data_path=$DATASET --epochs=$EPOCH_SIZE --vocab_size=$VOCAB_SIZE --emb_dim=$EMB_DIM --dropout_flag=1 --host_device_mix=1 --full_batch=1 --field_slice=1 >train_deep$i.log 2>&1 &
   else
     python -s ${self_path}/../train_and_eval_auto_parallel.py --data_path=$DATASET --epochs=$EPOCH_SIZE --vocab_size=$VOCAB_SIZE --emb_dim=$EMB_DIM --dropout_flag=1 --host_device_mix=0 >train_deep$i.log 2>&1 &
   fi

model_zoo/official/recommend/wide_and_deep/script/start_cluster.sh

@@ -38,7 +38,7 @@ do
   user=$(get_node_user ${cluster_config_path} ${node})
   passwd=$(get_node_passwd ${cluster_config_path} ${node})
   echo "------------------${user}@${node}---------------------"
-  if [ $MODE == "host_device_mix" ]; then
+  if [ $MODE == "host_device_mix" ] || [ $MODE == "field_slice_host_device_mix" ]; then
     ssh_pass ${node} ${user} ${passwd} "mkdir -p ${execute_path}; cd ${execute_path}; bash ${SCRIPTPATH}/run_auto_parallel_train_cluster.sh ${RANK_SIZE} ${RANK_START} ${EPOCH_SIZE} ${VOCAB_SIZE} ${EMB_DIM} ${DATASET} ${ENV_SH} ${MODE} ${RANK_TABLE_FILE}"
   else
     echo "[ERROR] mode is wrong"

model_zoo/official/recommend/wide_and_deep/src/config.py

@@ -25,7 +25,7 @@ def argparse_init():
     parser.add_argument("--data_path", type=str, default="./test_raw_data/",
                         help="This should be set to the same directory given to the data_download's data_dir argument")
     parser.add_argument("--epochs", type=int, default=15, help="Total train epochs")
-    parser.add_argument("--full_batch", type=bool, default=False, help="Enable loading the full batch ")
+    parser.add_argument("--full_batch", type=int, default=0, help="Enable loading the full batch ")
     parser.add_argument("--batch_size", type=int, default=16000, help="Training batch size.")
     parser.add_argument("--eval_batch_size", type=int, default=16000, help="Eval batch size.")
     parser.add_argument("--field_size", type=int, default=39, help="The number of features.")
@@ -46,6 +46,7 @@ def argparse_init():
     parser.add_argument("--host_device_mix", type=int, default=0, help="Enable host device mode or not")
     parser.add_argument("--dataset_type", type=str, default="tfrecord", help="tfrecord/mindrecord/hd5")
     parser.add_argument("--parameter_server", type=int, default=0, help="Open parameter server of not")
+    parser.add_argument("--field_slice", type=int, default=0, help="Enable split field mode or not")
     return parser
 
 
@@ -81,6 +82,8 @@ class WideDeepConfig():
         self.host_device_mix = 0
         self.dataset_type = "tfrecord"
         self.parameter_server = 0
+        self.field_slice = False
+        self.manual_shape = None
 
     def argparse_init(self):
         """
@@ -91,7 +94,7 @@ class WideDeepConfig():
         self.device_target = args.device_target
         self.data_path = args.data_path
         self.epochs = args.epochs
-        self.full_batch = args.full_batch
+        self.full_batch = bool(args.full_batch)
         self.batch_size = args.batch_size
         self.eval_batch_size = args.eval_batch_size
         self.field_size = args.field_size
@@ -114,3 +117,4 @@ class WideDeepConfig():
         self.host_device_mix = args.host_device_mix
         self.dataset_type = args.dataset_type
         self.parameter_server = args.parameter_server
+        self.field_slice = bool(args.field_slice)

model_zoo/official/recommend/wide_and_deep/src/datasets.py

@@ -23,6 +23,7 @@ import pandas as pd
 import mindspore.dataset.engine as de
 import mindspore.common.dtype as mstype
 
+
 class DataType(Enum):
     """
     Enumerate supported dataset format.
@@ -83,9 +84,9 @@ class H5Dataset():
                 yield os.path.join(self._hdf_data_dir,
                                    self._file_prefix + '_input_part_' + str(
                                        p) + '.h5'), \
-                      os.path.join(self._hdf_data_dir,
-                                   self._file_prefix + '_output_part_' + str(
-                                       p) + '.h5'), i + 1 == len(parts)
+                    os.path.join(self._hdf_data_dir,
+                                 self._file_prefix + '_output_part_' + str(
+                                     p) + '.h5'), i + 1 == len(parts)
 
     def _generator(self, X, y, batch_size, shuffle=True):
         """
@@ -169,8 +170,41 @@ def _get_h5_dataset(data_dir, train_mode=True, epochs=1, batch_size=1000):
     return ds
 
 
+def _padding_func(batch_size, manual_shape, target_column, field_size=39):
+    """
+    get padding_func
+    """
+    if manual_shape:
+        generate_concat_offset = [item[0]+item[1] for item in manual_shape]
+        part_size = int(target_column / len(generate_concat_offset))
+        filled_value = []
+        for i in range(field_size, target_column):
+            filled_value.append(generate_concat_offset[i//part_size]-1)
+        print("Filed Value:", filled_value)
+
+        def padding_func(x, y, z):
+            x = np.array(x).flatten().reshape(batch_size, field_size)
+            y = np.array(y).flatten().reshape(batch_size, field_size)
+            z = np.array(z).flatten().reshape(batch_size, 1)
+
+            x_id = np.ones((batch_size, target_column - field_size),
+                           dtype=np.int32) * filled_value
+            x_id = np.concatenate([x, x_id.astype(dtype=np.int32)], axis=1)
+            mask = np.concatenate(
+                [y, np.zeros((batch_size, target_column-39), dtype=np.float32)], axis=1)
+            return (x_id, mask, z)
+    else:
+        def padding_func(x, y, z):
+            x = np.array(x).flatten().reshape(batch_size, field_size)
+            y = np.array(y).flatten().reshape(batch_size, field_size)
+            z = np.array(z).flatten().reshape(batch_size, 1)
+            return (x, y, z)
+    return padding_func
+
+
 def _get_tf_dataset(data_dir, train_mode=True, epochs=1, batch_size=1000,
-                    line_per_sample=1000, rank_size=None, rank_id=None):
+                    line_per_sample=1000, rank_size=None, rank_id=None,
+                    manual_shape=None, target_column=40):
     """
     get_tf_dataset
     """
@@ -189,21 +223,22 @@ def _get_tf_dataset(data_dir, train_mode=True, epochs=1, batch_size=1000,
         ds = de.TFRecordDataset(dataset_files=dataset_files, shuffle=shuffle, schema=schema, num_parallel_workers=8,
                                 num_shards=rank_size, shard_id=rank_id, shard_equal_rows=True)
     else:
-        ds = de.TFRecordDataset(dataset_files=dataset_files, shuffle=shuffle, schema=schema, num_parallel_workers=8)
+        ds = de.TFRecordDataset(dataset_files=dataset_files,
+                                shuffle=shuffle, schema=schema, num_parallel_workers=8)
     ds = ds.batch(int(batch_size / line_per_sample),
                   drop_remainder=True)
-    ds = ds.map(operations=(lambda x, y, z: (
-        np.array(x).flatten().reshape(batch_size, 39),
-        np.array(y).flatten().reshape(batch_size, 39),
-        np.array(z).flatten().reshape(batch_size, 1))),
+
+    ds = ds.map(operations=_padding_func(batch_size, manual_shape, target_column),
                 input_columns=['feat_ids', 'feat_vals', 'label'],
                 columns_order=['feat_ids', 'feat_vals', 'label'], num_parallel_workers=8)
-    #if train_mode:
+    # if train_mode:
     ds = ds.repeat(epochs)
     return ds
 
+
 def _get_mindrecord_dataset(directory, train_mode=True, epochs=1, batch_size=1000,
-                            line_per_sample=1000, rank_size=None, rank_id=None):
+                            line_per_sample=1000, rank_size=None, rank_id=None,
+                            manual_shape=None, target_column=40):
     """
     Get dataset with mindrecord format.
 
@@ -233,9 +268,7 @@ def _get_mindrecord_dataset(directory, train_mode=True, epochs=1, batch_size=100
                             columns_list=['feat_ids', 'feat_vals', 'label'],
                             shuffle=shuffle, num_parallel_workers=8)
     ds = ds.batch(int(batch_size / line_per_sample), drop_remainder=True)
-    ds = ds.map(operations=(lambda x, y, z: (np.array(x).flatten().reshape(batch_size, 39),
-                                             np.array(y).flatten().reshape(batch_size, 39),
-                                             np.array(z).flatten().reshape(batch_size, 1))),
+    ds = ds.map(_padding_func(batch_size, manual_shape, target_column),
                 input_columns=['feat_ids', 'feat_vals', 'label'],
                 columns_order=['feat_ids', 'feat_vals', 'label'],
                 num_parallel_workers=8)
@@ -243,18 +276,84 @@ def _get_mindrecord_dataset(directory, train_mode=True, epochs=1, batch_size=100
     return ds
 
 
+def _get_vocab_size(target_column_number, worker_size, total_vocab_size, multiply=False, per_vocab_size=None):
+    """
+    get_vocab_size
+    """
+    # Only 39
+    inidival_vocabs = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 691, 540, 20855, 23639, 182, 15,
+                       10091, 347, 4, 16366, 4494, 21293, 3103, 27, 6944, 22366, 11, 3267, 1610,
+                       5, 21762, 14, 15, 15030, 61, 12220]
+
+    new_vocabs = inidival_vocabs + [1] * \
+        (target_column_number - len(inidival_vocabs))
+    part_size = int(target_column_number / worker_size)
+
+    # According to the workers, we merge some fields into the same part
+    new_vocab_size = []
+    for i in range(0, target_column_number, part_size):
+        new_vocab_size.append(sum(new_vocabs[i: i + part_size]))
+
+    index_offsets = [0]
+
+    # The gold feature numbers ared used to caculate the offset
+    features = [item for item in new_vocab_size]
+
+    # According to the per_vocab_size, maxize the vocab size
+    if per_vocab_size is not None:
+        new_vocab_size = [per_vocab_size] * worker_size
+    else:
+        # Expands the vocabulary of each field by the multiplier
+        if multiply is True:
+            cur_sum = sum(new_vocab_size)
+            k = total_vocab_size/cur_sum
+            new_vocab_size = [
+                math.ceil(int(item*k)/worker_size)*worker_size for item in new_vocab_size]
+            new_vocab_size = [(item // 8 + 1)*8 for item in new_vocab_size]
+
+        else:
+            if total_vocab_size > sum(new_vocab_size):
+                new_vocab_size[-1] = total_vocab_size - \
+                    sum(new_vocab_size[:-1])
+                new_vocab_size = [item for item in new_vocab_size]
+            else:
+                raise ValueError(
+                    "Please providede the correct vocab size, now is {}".format(total_vocab_size))
+
+    for i in range(worker_size-1):
+        off = index_offsets[i] + features[i]
+        index_offsets.append(off)
+
+    print("the offset: ", index_offsets)
+    manual_shape = tuple(
+        ((new_vocab_size[i], index_offsets[i]) for i in range(worker_size)))
+    vocab_total = sum(new_vocab_size)
+    return manual_shape, vocab_total
+
+
+def compute_manual_shape(config, worker_size):
+    target_column = (config.field_size // worker_size + 1) * worker_size
+    config.field_size = target_column
+    manual_shape, vocab_total = _get_vocab_size(target_column, worker_size, total_vocab_size=config.vocab_size,
+                                                per_vocab_size=None, multiply=False)
+    config.manual_shape = manual_shape
+    config.vocab_size = int(vocab_total)
+
+
 def create_dataset(data_dir, train_mode=True, epochs=1, batch_size=1000,
-                   data_type=DataType.TFRECORD, line_per_sample=1000, rank_size=None, rank_id=None):
+                   data_type=DataType.TFRECORD, line_per_sample=1000,
+                   rank_size=None, rank_id=None, manual_shape=None, target_column=40):
     """
     create_dataset
     """
     if data_type == DataType.TFRECORD:
         return _get_tf_dataset(data_dir, train_mode, epochs, batch_size,
-                               line_per_sample, rank_size=rank_size, rank_id=rank_id)
+                               line_per_sample, rank_size=rank_size, rank_id=rank_id,
+                               manual_shape=manual_shape, target_column=target_column)
     if data_type == DataType.MINDRECORD:
-        return _get_mindrecord_dataset(data_dir, train_mode, epochs,
-                                       batch_size, line_per_sample,
-                                       rank_size, rank_id)
+        return _get_mindrecord_dataset(data_dir, train_mode, epochs, batch_size,
+                                       line_per_sample, rank_size=rank_size, rank_id=rank_id,
+                                       manual_shape=manual_shape, target_column=target_column)
 
     if rank_size > 1:
         raise RuntimeError("please use tfrecord dataset.")

model_zoo/official/recommend/wide_and_deep/src/wide_and_deep.py

@@ -143,6 +143,7 @@ class WideDeepModel(nn.Cell):
         is_auto_parallel = parallel_mode in (ParallelMode.SEMI_AUTO_PARALLEL, ParallelMode.AUTO_PARALLEL)
         if is_auto_parallel:
             self.batch_size = self.batch_size * get_group_size()
+        is_field_slice = config.field_slice
         self.field_size = config.field_size
         self.vocab_size = config.vocab_size
         self.emb_dim = config.emb_dim
@@ -196,11 +197,10 @@ class WideDeepModel(nn.Cell):
         self.tile = P.Tile()
         self.concat = P.Concat(axis=1)
         self.cast = P.Cast()
-        if is_auto_parallel and host_device_mix:
+        if is_auto_parallel and host_device_mix and not is_field_slice:
             self.dense_layer_1.dropout.dropout_do_mask.set_strategy(((1, get_group_size()),))
             self.dense_layer_1.dropout.dropout.set_strategy(((1, get_group_size()),))
             self.dense_layer_1.matmul.set_strategy(((1, get_group_size()), (get_group_size(), 1)))
-            self.dense_layer_1.matmul.add_prim_attr("field_size", config.field_size)
             self.deep_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, self.emb_dim,
                                                            slice_mode=nn.EmbeddingLookUpSplitMode.TABLE_COLUMN_SLICE)
             self.wide_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, 1,
@@ -209,9 +209,20 @@ class WideDeepModel(nn.Cell):
             self.deep_reshape.add_prim_attr("skip_redistribution", True)
             self.reduce_sum.add_prim_attr("cross_batch", True)
             self.embedding_table = self.deep_embeddinglookup.embedding_table
-        elif host_device_mix:
-            self.deep_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, self.emb_dim)
-            self.wide_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, 1)
+        elif is_auto_parallel and host_device_mix and is_field_slice and config.full_batch and config.manual_shape:
+            manual_shapes = tuple((s[0] for s in config.manual_shape))
+            self.deep_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, self.emb_dim,
+                                                           slice_mode=nn.EmbeddingLookUpSplitMode.FIELD_SLICE,
+                                                           manual_shapes=manual_shapes)
+            self.wide_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, 1,
+                                                           slice_mode=nn.EmbeddingLookUpSplitMode.FIELD_SLICE,
+                                                           manual_shapes=manual_shapes)
+            self.deep_mul.set_strategy(((1, get_group_size(), 1), (1, get_group_size(), 1)))
+            self.wide_mul.set_strategy(((1, get_group_size(), 1), (1, get_group_size(), 1)))
+            self.reduce_sum.set_strategy(((1, get_group_size(), 1),))
+            self.dense_layer_1.dropout.dropout_do_mask.set_strategy(((1, get_group_size()),))
+            self.dense_layer_1.dropout.dropout.set_strategy(((1, get_group_size()),))
+            self.dense_layer_1.matmul.set_strategy(((1, get_group_size()), (get_group_size(), 1)))
             self.embedding_table = self.deep_embeddinglookup.embedding_table
         elif parameter_server:
             self.deep_embeddinglookup = nn.EmbeddingLookup(self.vocab_size, self.emb_dim)
@@ -263,7 +274,7 @@ class NetWithLossClass(nn.Cell):
         parameter_server = bool(config.parameter_server)
         parallel_mode = context.get_auto_parallel_context("parallel_mode")
         is_auto_parallel = parallel_mode in (ParallelMode.SEMI_AUTO_PARALLEL, ParallelMode.AUTO_PARALLEL)
-        self.no_l2loss = (is_auto_parallel if host_device_mix else parameter_server)
+        self.no_l2loss = (is_auto_parallel if (host_device_mix or config.field_slice) else parameter_server)
         self.network = network
         self.l2_coef = config.l2_coef
         self.loss = P.SigmoidCrossEntropyWithLogits()

model_zoo/official/recommend/wide_and_deep/train_and_eval_auto_parallel.py

@@ -27,12 +27,13 @@ from mindspore.nn.wrap.cell_wrapper import VirtualDatasetCellTriple
 
 from src.wide_and_deep import PredictWithSigmoid, TrainStepWrap, NetWithLossClass, WideDeepModel
 from src.callbacks import LossCallBack, EvalCallBack
-from src.datasets import create_dataset, DataType
+from src.datasets import create_dataset, DataType, compute_manual_shape
 from src.metrics import AUCMetric
 from src.config import WideDeepConfig
 
 sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+
 def get_WideDeep_net(config):
     """
     Get network of wide&deep model.
@@ -40,7 +41,8 @@ def get_WideDeep_net(config):
     WideDeep_net = WideDeepModel(config)
     loss_net = NetWithLossClass(WideDeep_net, config)
     loss_net = VirtualDatasetCellTriple(loss_net)
-    train_net = TrainStepWrap(loss_net, host_device_mix=bool(config.host_device_mix))
+    train_net = TrainStepWrap(
+        loss_net, host_device_mix=bool(config.host_device_mix))
     eval_net = PredictWithSigmoid(WideDeep_net)
     eval_net = VirtualDatasetCellTriple(eval_net)
     return train_net, eval_net
@@ -50,6 +52,7 @@ class ModelBuilder():
     """
     ModelBuilder
     """
+
     def __init__(self):
         pass
 
@@ -86,10 +89,19 @@ def train_and_eval(config):
     if config.full_batch:
         context.set_auto_parallel_context(full_batch=True)
         de.config.set_seed(1)
-        ds_train = create_dataset(data_path, train_mode=True, epochs=1,
-                                  batch_size=batch_size*get_group_size(), data_type=dataset_type)
-        ds_eval = create_dataset(data_path, train_mode=False, epochs=1,
-                                 batch_size=batch_size*get_group_size(), data_type=dataset_type)
+        if config.field_slice:
+            compute_manual_shape(config, get_group_size())
+            ds_train = create_dataset(data_path, train_mode=True, epochs=1,
+                                      batch_size=batch_size*get_group_size(), data_type=dataset_type,
+                                      manual_shape=config.manual_shape, target_column=config.field_size)
+            ds_eval = create_dataset(data_path, train_mode=False, epochs=1,
+                                     batch_size=batch_size*get_group_size(), data_type=dataset_type,
+                                     manual_shape=config.manual_shape, target_column=config.field_size)
+        else:
+            ds_train = create_dataset(data_path, train_mode=True, epochs=1,
+                                      batch_size=batch_size*get_group_size(), data_type=dataset_type)
+            ds_eval = create_dataset(data_path, train_mode=False, epochs=1,
+                                     batch_size=batch_size*get_group_size(), data_type=dataset_type)
     else:
         ds_train = create_dataset(data_path, train_mode=True, epochs=1,
                                   batch_size=batch_size, rank_id=get_rank(),
@@ -106,9 +118,11 @@ def train_and_eval(config):
     train_net.set_train()
     auc_metric = AUCMetric()
 
-    model = Model(train_net, eval_network=eval_net, metrics={"auc": auc_metric})
+    model = Model(train_net, eval_network=eval_net,
+                  metrics={"auc": auc_metric})
 
-    eval_callback = EvalCallBack(model, ds_eval, auc_metric, config, host_device_mix=host_device_mix)
+    eval_callback = EvalCallBack(
+        model, ds_eval, auc_metric, config, host_device_mix=host_device_mix)
 
     callback = LossCallBack(config=config, per_print_times=20)
     ckptconfig = CheckpointConfig(save_checkpoint_steps=ds_train.get_dataset_size()*epochs,
@@ -116,16 +130,19 @@ def train_and_eval(config):
     ckpoint_cb = ModelCheckpoint(prefix='widedeep_train',
                                  directory=config.ckpt_path, config=ckptconfig)
     context.set_auto_parallel_context(strategy_ckpt_save_file=config.stra_ckpt)
-    callback_list = [TimeMonitor(ds_train.get_dataset_size()), eval_callback, callback]
+    callback_list = [TimeMonitor(
+        ds_train.get_dataset_size()), eval_callback, callback]
     if not host_device_mix:
         callback_list.append(ckpoint_cb)
-    model.train(epochs, ds_train, callbacks=callback_list, dataset_sink_mode=(not host_device_mix))
+    model.train(epochs, ds_train, callbacks=callback_list,
+                dataset_sink_mode=(not host_device_mix))
 
 
 if __name__ == "__main__":
     wide_deep_config = WideDeepConfig()
     wide_deep_config.argparse_init()
-    context.set_context(mode=context.GRAPH_MODE, device_target=wide_deep_config.device_target, save_graphs=True)
+    context.set_context(mode=context.GRAPH_MODE,
+                        device_target=wide_deep_config.device_target, save_graphs=True)
     context.set_context(variable_memory_max_size="24GB")
     context.set_context(enable_sparse=True)
     set_multi_subgraphs()
@@ -134,7 +151,9 @@ if __name__ == "__main__":
     elif wide_deep_config.device_target == "GPU":
         init("nccl")
     if wide_deep_config.host_device_mix == 1:
-        context.set_auto_parallel_context(parallel_mode=ParallelMode.SEMI_AUTO_PARALLEL, mirror_mean=True)
+        context.set_auto_parallel_context(
+            parallel_mode=ParallelMode.SEMI_AUTO_PARALLEL, mirror_mean=True)
     else:
-        context.set_auto_parallel_context(parallel_mode=ParallelMode.AUTO_PARALLEL, mirror_mean=True)
+        context.set_auto_parallel_context(
+            parallel_mode=ParallelMode.AUTO_PARALLEL, mirror_mean=True)
     train_and_eval(wide_deep_config)

model_zoo/official/recommend/wide_and_deep/train_and_eval_distribute.py

@@ -101,12 +101,8 @@ def train_and_eval(config):
 
     callback = LossCallBack(config=config)
     ckptconfig = CheckpointConfig(save_checkpoint_steps=ds_train.get_dataset_size(), keep_checkpoint_max=5)
-    if config.device_target == "Ascend":
-        ckpoint_cb = ModelCheckpoint(prefix='widedeep_train',
-                                     directory=config.ckpt_path, config=ckptconfig)
-    elif config.device_target == "GPU":
-        ckpoint_cb = ModelCheckpoint(prefix='widedeep_train_' + str(get_rank()),
-                                     directory=config.ckpt_path, config=ckptconfig)
+    ckpoint_cb = ModelCheckpoint(prefix='widedeep_train',
+                                 directory=config.ckpt_path, config=ckptconfig)
     out = model.eval(ds_eval)
     print("=====" * 5 + "model.eval() initialized: {}".format(out))
     callback_list = [TimeMonitor(ds_train.get_dataset_size()), eval_callback, callback]

model_zoo/official/recommend/wide_and_deep/train_and_eval_parameter_server.py

@@ -103,14 +103,13 @@ def train_and_eval(config):
 
     callback = LossCallBack(config=config)
     ckptconfig = CheckpointConfig(save_checkpoint_steps=ds_train.get_dataset_size(), keep_checkpoint_max=5)
-    if config.device_target == "Ascend":
-        ckpoint_cb = ModelCheckpoint(prefix='widedeep_train',
-                                     directory=config.ckpt_path, config=ckptconfig)
-    elif config.device_target == "GPU":
-        ckpoint_cb = ModelCheckpoint(prefix='widedeep_train_' + str(get_rank()),
-                                     directory=config.ckpt_path, config=ckptconfig)
+    ckpoint_cb = ModelCheckpoint(prefix='widedeep_train',
+                                 directory=config.ckpt_path, config=ckptconfig)
+    callback_list = [TimeMonitor(ds_train.get_dataset_size()), eval_callback, callback]
+    if get_rank() == 0:
+        callback_list.append(ckpoint_cb)
     model.train(epochs, ds_train,
-                callbacks=[TimeMonitor(ds_train.get_dataset_size()), eval_callback, callback, ckpoint_cb],
+                callbacks=callback_list,
                 dataset_sink_mode=(not parameter_server))