bigger bs, seq_len for text-generation task

optimum_neuron_export.py

@@ -151,7 +151,7 @@ def get_default_inputs(task_or_pipeline: str, pipeline_name: str = None) -> Dict
     if task_or_pipeline in ["feature-extraction", "sentence-transformers", "fill-mask", "question-answering", "text-classification", "token-classification"]:
         return {"batch_size": 1, "sequence_length": 128}
     elif task_or_pipeline == "text_generation":
-        return {"batch_size": 1, "sequence_length": 128, "tensor_parallel_size": 4}
+        return {"batch_size": 4, "sequence_length": 4096, "tensor_parallel_size": 4}
     elif task_or_pipeline == "multiple-choice":
         return {"batch_size": 1, "num_choices": 4, "sequence_length": 128}
     elif task_or_pipeline == "text2text-generation":