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import gradio as gr
import spaces
import torch
from transformers import AutoModelForCausalLM, AutoTokenizer
from retriever.vectordb_rerank import search_documents # ๐ง RAG ๊ฒ์๊ธฐ ๋ถ๋ฌ์ค๊ธฐ
model_name = "dasomaru/gemma-3-4bit-it-demo"
@spaces.GPU(duration=300)
def generate_response(query):
# ๋ชจ๋ธ ๋ฐ ํ ํฌ๋์ด์ ๋ก๋ (ZeroGPU ์์ฝ ํ)
tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
model_name,
torch_dtype=torch.float16,
trust_remote_code=True,
).to("cuda")
# 1. ๊ฒ์
top_k = 5
retrieved_docs = search_documents(query, top_k=top_k)
# 2. ํ๋กฌํํธ ์กฐ๋ฆฝ
prompt = (
"๋น์ ์ ๊ณต์ธ์ค๊ฐ์ฌ ์ํ ๋ฌธ์ ์ถ์ ์ ๋ฌธ๊ฐ์
๋๋ค.\n\n"
"๋ค์์ ๊ธฐ์ถ ๋ฌธ์ ๋ฐ ๊ด๋ จ ๋ฒ๋ น ์ ๋ณด์
๋๋ค:\n"
)
for idx, doc in enumerate(retrieved_docs, 1):
prompt += f"- {doc}\n"
prompt += f"\n์ด ์ ๋ณด๋ฅผ ์ฐธ๊ณ ํ์ฌ ์ฌ์ฉ์์ ์์ฒญ์ ๋ต๋ณํด ์ฃผ์ธ์.\n\n"
prompt += f"[์ง๋ฌธ]\n{query}\n\n[๋ต๋ณ]\n"
# 3. ๋ต๋ณ ์์ฑ
inputs = tokenizer(prompt, return_tensors="pt").to("cuda")
outputs = model.generate(
**inputs,
max_new_tokens=512,
temperature=0.7,
top_p=0.9,
top_k=50,
do_sample=True,
)
# 4. ๊ฒฐ๊ณผ ๋ฐํ
return tokenizer.decode(outputs[0], skip_special_tokens=True)
# Gradio ์ฑ
demo = gr.Interface(fn=generate_response, inputs="text", outputs="text")
demo.launch()
# zero = torch.Tensor([0]).cuda()
# print(zero.device) # <-- 'cpu' ๐ค
# @spaces.GPU
# def greet(n):
# print(zero.device) # <-- 'cuda:0' ๐ค
# return f"Hello {zero + n} Tensor"
# demo = gr.Interface(fn=greet, inputs=gr.Number(), outputs=gr.Text())
# demo.launch() |