Open-Llama/server.py

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2023-03-31 06:11:07 +00:00
"""
Author: LiangSong(sl12160010@gmail.com)
Date: 2023-03-31 13:26:15
LastEditors: LiangSong(sl12160010@gmail.com)
LastEditTime: 2023-03-31 14:05:35
FilePath: /Open-Llama/server.py
Description:
Copyright (c) 2023 by LiangSong(sl12160010@gmail.com), All Rights Reserved.
"""
import torch
import gradio as gr
import sentencepiece as spm
from dataset.tokenizer import Tokenizer
from transformers import LlamaForCausalLM, LlamaConfig
sp_model = spm.SentencePieceProcessor(
model_file="configs/10w_vocab_wudao5_pile10.model"
)
tokenizer = Tokenizer(sp_model)
raw_model = LlamaForCausalLM(
LlamaConfig(
vocab_size=tokenizer.vocab_size,
initializer_range=0.01,
pad_token_id=tokenizer.pad_id,
rms_norm_eps=1e-5,
hidden_dropout_prob=0.1,
attention_dropout_prob=0.1,
use_stable_embedding=True,
shared_input_output_embedding=True,
)
)
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ckpt = torch.load(
"data/saved_ckpt/instruction_tuning/14001.pt",
map_location="cpu",
)
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raw_model.load_state_dict(ckpt)
raw_model.eval()
model = raw_model.cuda()
print("ready")
def question_answer(prompt):
print(prompt)
raw_inputs = "user:{}<s>system:".format(prompt)
inputs_len = len(raw_inputs)
inputs = tokenizer(raw_inputs, return_tensors=True, add_special_tokens=False)
for k, v in inputs.items():
inputs[k] = v.cuda()
pred = model.generate(**inputs, max_new_tokens=512, do_sample=True)
pred = tokenizer.decode(pred.cpu())[0]
pred = pred[inputs_len:]
print(pred)
return pred
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demo = gr.Interface(
fn=question_answer,
inputs="text",
outputs="text",
examples=[
"帮我写一封邮件内容是感谢jack的帮助希望有机会能和他线下见面请他吃饭",
"情人节送女朋友什么礼物预算500",
"我今天肚子有点不舒服,晚饭有什么建议么",
"可以总结一下小说三体的核心内容么?",
"Can you explain to me what quantum mechanics is and how it relates to quantum computing?",
"I'm feeling a bit unwell in my stomach today. Do you have any suggestions for dinner?",
],
).queue(
concurrency_count=1,
title="Open-Llama",
description="不基于其他预训练模型完全使用Open-Llama项目从0开始训练的Instruct-GPT模型总共训练花费在2w美元以内训练时间80h。",
article="[关于作者](http://home.ustc.edu.cn/~sl9292/resume.html)",
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)
demo.launch(share=True)