78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
"""
|
||
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,
|
||
)
|
||
)
|
||
ckpt = torch.load(
|
||
"data/saved_ckpt/instruction_tuning/14001.pt",
|
||
map_location="cpu",
|
||
)
|
||
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
|
||
|
||
|
||
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)",
|
||
)
|
||
demo.launch(share=True)
|