train_efd.py

@@ -39,7 +39,7 @@ parser.add_argument('--sample_rate', default=8000, type=int,
                     help='Sample rate')
 parser.add_argument('--segment', default=4, type=float,  # 取音频的长度，2s。#数据集语音长度要相同
                     help='Segment length (seconds)')
-parser.add_argument('--batch_size', default=3, type=int,  # 需要抛弃的音频长度
+parser.add_argument('--batch_size', default=2, type=int,  # 需要抛弃的音频长度
                     help='Batch size')
 
 # Network architecture
@@ -57,7 +57,7 @@ parser.add_argument('--norm', default='gln', type=str,
                     help='gln = "Global Norm", cln = "Cumulative Norm", ln = "Layer Norm"')
 parser.add_argument('--dropout', default=0.0, type=float,
                     help='dropout')
-parser.add_argument('--num_layers', default=4, type=int,
+parser.add_argument('--num_layers', default=6, type=int,
                     help='Number of Dual-Path-Block')
 parser.add_argument('--K', default=250, type=int,
                     help='The length of chunk')
@@ -65,7 +65,7 @@ parser.add_argument('--num_spks', default=2, type=int,
                     help='The number of speakers')
 
 # optimizer
-parser.add_argument('--lr', default=0.001, type=float,
+parser.add_argument('--lr', default=1e-3, type=float,
                     help='Init learning rate')
 parser.add_argument('--l2', default=1e-5, type=float,
                     help='weight decay (L2 penalty)')
@@ -99,8 +99,8 @@ def preprocess(args):
     print("preprocess done")
 
 def main(args):                                                   
-    # context.set_context(mode=context.GRAPH_MODE, device_target=args.device_target, save_graphs=True)
-    context.set_context(mode=context.GRAPH_MODE, device_target=args.device_target)
+    context.set_context(mode=context.GRAPH_MODE, device_target=args.device_target, save_graphs=True)
+    # context.set_context(mode=context.GRAPH_MODE, device_target=args.device_target)
 
     # 在训练环境中定义data_url和train_url，并把数据从obs拷贝到相应的固定路径
     obs_data_url = args.data_url
@@ -121,9 +121,9 @@ def main(args):
     # build dataloader
     tr_dataset = DatasetGenerator(args.train_dir, args.batch_size,
                                   sample_rate=args.sample_rate, segment=args.segment)
-    tr_loader = ds.GeneratorDataset(tr_dataset, ["mixture", "lens", "sources"], shuffle=False)
+    tr_loader = ds.GeneratorDataset(tr_dataset, ["mixture", "lens", "sources"], shuffle=True)
 
-    tr_loader = tr_loader.batch(2)
+    tr_loader = tr_loader.batch(1)
     num_steps = tr_loader.get_dataset_size()
 
     # build model
@@ -142,7 +142,7 @@ def main(args):
     time_cb = TimeMonitor()
     cb = [time_cb, loss_cb]
     
-    config_ck = CheckpointConfig(save_checkpoint_steps=200, keep_checkpoint_max=5)
+    config_ck = CheckpointConfig(save_checkpoint_steps=100, keep_checkpoint_max=5)
     ckpt_cb = ModelCheckpoint(prefix='test',
                               directory=args.save_checkpoint_path,
                               config=config_ck)