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Upload app.py

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  1. app.py +52 -0
app.py ADDED
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+
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+ import gradio as gr
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+ from transformers import AutoModelForCausalLM, AutoTokenizer
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+ import torch
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+
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+ model_name = "zirui3/gpt_1.4B_oa_instruct"
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+ tokenizer = AutoTokenizer.from_pretrained(model_name)
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+
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+ chip_map= {
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+ 'gpt_neox.embed_in': 0,
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+ 'gpt_neox.layers': 0,
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+ 'gpt_neox.final_layer_norm': 0,
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+ 'embed_out': 0
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+ }
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+ model = AutoModelForCausalLM.from_pretrained(name, device_map=chip_map, torch_dtype=torch.float16, load_in_8bit=True)
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+ #model = AutoModelForCausalLM.from_pretrained(model_name)
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+
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+
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+ def predict(input, history=[], MAX_NEW_TOKENS = 500):
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+ text = "User: " + input + "\n\nChip: "
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+ new_user_input_ids = tokenizer(text, return_tensors="pt").input_ids
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+ # bot_input_ids = torch.cat([torch.LongTensor(history), new_user_input_ids], dim=-1).to("cuda")
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+ bot_input_ids = torch.cat([torch.LongTensor(history), new_user_input_ids], dim=-1)
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+
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+ generated_ids = model.generate(bot_input_ids,
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+ max_length=MAX_NEW_TOKENS, pad_token_id=tokenizer.eos_token_id,
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+ do_sample=True,
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+ top_p=0.95, temperature=0.5, penalty_alpha=0.6, top_k=4, repetition_penalty=1.03,
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+ num_return_sequences=1)
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+
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+ response = tokenizer.decode(generated_ids[0], skip_special_tokens=True)
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+ history = generated_ids.tolist()
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+
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+ # convert to list of user & bot response
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+ response = response.split("\n\n")
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+ response_pairs = [(response[i], response[i+1]) for i in range(0, len(response)-1, 2)]
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+ return response_pairs, history
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+
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+
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+ with gr.Blocks() as demo:
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+ chatbot = gr.Chatbot()
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+ state = gr.State([])
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+
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+ with gr.Row():
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+ txt = gr.Textbox(show_label=False, placeholder="Enter text and press enter").style(container=False)
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+
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+ txt.submit(predict, [txt, state], [chatbot, state])
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+
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+
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+ if __name__ == "__main__":
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+ # demo.launch(debug=True, server_name="0.0.0.0", server_port=9991)
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+ demo.launch()