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				@@ -15,13 +15,13 @@ 
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				 runner: 
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				   train_data_dir: "/dw/recommend/model/55_dssm_i2i_traindata/" 
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				   train_reader_path: "bq_reader_train_ps"  # importlib format 
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				-  train_batch_size: 64 
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				+  train_batch_size: 1024 
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				   model_save_path: "output_model_dssm" 
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				   split_file_list: true 
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				   reader_type: "QueueDataset"  # DataLoader / QueueDataset / RecDataset 
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				   pipe_command: "python bq_reader_train_ps.py" 
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				-  thread_num: 2 
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				+  thread_num: 1 
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				   sync_mode: "async" 
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