Spaces:
Running
Running
zhan1206 commited on
Commit ·
b12f6c3
1
Parent(s): 04c7011
Feat: Add actual training (100 steps) + documentation (tutorial + API)
Browse files- data/prepare_training_data.py +110 -0
- docs/API.md +679 -0
- docs/tutorial.md +356 -0
- train/train_real.py +212 -0
data/prepare_training_data.py
ADDED
|
@@ -0,0 +1,110 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
"""
|
| 2 |
+
创建伪真实训练数据(用于实际模型训练)
|
| 3 |
+
使用简单的英文句子作为训练数据
|
| 4 |
+
"""
|
| 5 |
+
import os
|
| 6 |
+
import torch
|
| 7 |
+
from pathlib import Path
|
| 8 |
+
|
| 9 |
+
def create_training_data():
|
| 10 |
+
"""创建训练数据"""
|
| 11 |
+
print("[DATA] 创建训练数据...")
|
| 12 |
+
|
| 13 |
+
# 简单的英文句子(用于训练)
|
| 14 |
+
sentences = [
|
| 15 |
+
"The cat sits on the mat.",
|
| 16 |
+
"A dog runs in the park.",
|
| 17 |
+
"Birds fly in the sky.",
|
| 18 |
+
"Fish swim in the sea.",
|
| 19 |
+
"Children play in the garden.",
|
| 20 |
+
"The sun is shining brightly.",
|
| 21 |
+
"It is raining heavily today.",
|
| 22 |
+
"Snow falls in winter.",
|
| 23 |
+
"Flowers bloom in spring.",
|
| 24 |
+
"Leaves fall in autumn.",
|
| 25 |
+
"I love reading books.",
|
| 26 |
+
"She writes a letter.",
|
| 27 |
+
"He cooks dinner for us.",
|
| 28 |
+
"We watch a movie together.",
|
| 29 |
+
"They sing a beautiful song.",
|
| 30 |
+
"The car moves fast on the road.",
|
| 31 |
+
"A plane flies in the air.",
|
| 32 |
+
"Ships sail on the ocean.",
|
| 33 |
+
"Trains travel across the country.",
|
| 34 |
+
"Bicycles are good for health.",
|
| 35 |
+
"Apple is a delicious fruit.",
|
| 36 |
+
"Water is essential for life.",
|
| 37 |
+
"The house has a big garden.",
|
| 38 |
+
"Music brings joy to people.",
|
| 39 |
+
"Learning is a lifelong journey.",
|
| 40 |
+
]
|
| 41 |
+
|
| 42 |
+
# 重复句子以增加数据量
|
| 43 |
+
all_sentences = sentences * 10 # 250 个句子
|
| 44 |
+
|
| 45 |
+
# 保存到文件
|
| 46 |
+
data_path = Path("data/training_data.txt")
|
| 47 |
+
data_path.parent.mkdir(exist_ok=True)
|
| 48 |
+
|
| 49 |
+
with open(data_path, "w", encoding="utf-8") as f:
|
| 50 |
+
for sentence in all_sentences:
|
| 51 |
+
f.write(sentence + "\n")
|
| 52 |
+
|
| 53 |
+
print(f" 保存路径: {data_path}")
|
| 54 |
+
print(f" 句子数量: {len(all_sentences)}")
|
| 55 |
+
print(" 训练数据创建成功")
|
| 56 |
+
print()
|
| 57 |
+
|
| 58 |
+
return data_path
|
| 59 |
+
|
| 60 |
+
|
| 61 |
+
def create_tokenizer_from_data(data_path):
|
| 62 |
+
"""从训练数据创建 tokenizer"""
|
| 63 |
+
print("[TOKENIZER] 创建 tokenizer...")
|
| 64 |
+
|
| 65 |
+
# 简单字符级 tokenizer(用于演示)
|
| 66 |
+
# 在实际应用中,应该使用 SentencePiece 或 BPE
|
| 67 |
+
|
| 68 |
+
# 读取所有文本
|
| 69 |
+
with open(data_path, "r", encoding="utf-8") as f:
|
| 70 |
+
text = f.read()
|
| 71 |
+
|
| 72 |
+
# 创建字符词汇表
|
| 73 |
+
chars = sorted(list(set(text)))
|
| 74 |
+
vocab_size = len(chars) + 3 # +3 for [PAD], [UNK], [CLS]
|
| 75 |
+
|
| 76 |
+
# 保存词汇表
|
| 77 |
+
vocab_path = Path("tokenizers/char_vocab.txt")
|
| 78 |
+
vocab_path.parent.mkdir(exist_ok=True)
|
| 79 |
+
|
| 80 |
+
with open(vocab_path, "w", encoding="utf-8") as f:
|
| 81 |
+
f.write("[PAD]\n")
|
| 82 |
+
f.write("[UNK]\n")
|
| 83 |
+
f.write("[CLS]\n")
|
| 84 |
+
for char in chars:
|
| 85 |
+
f.write(char + "\n")
|
| 86 |
+
|
| 87 |
+
print(f" 词汇表大小: {vocab_size}")
|
| 88 |
+
print(f" 保存路径: {vocab_path}")
|
| 89 |
+
print(" Tokenizer 创建成功")
|
| 90 |
+
print()
|
| 91 |
+
|
| 92 |
+
return vocab_path, vocab_size
|
| 93 |
+
|
| 94 |
+
|
| 95 |
+
if __name__ == "__main__":
|
| 96 |
+
print("=" * 60)
|
| 97 |
+
print("Fusion-LLM 创建训练数据")
|
| 98 |
+
print("=" * 60)
|
| 99 |
+
print()
|
| 100 |
+
|
| 101 |
+
# 1. 创建训练数据
|
| 102 |
+
data_path = create_training_data()
|
| 103 |
+
|
| 104 |
+
# 2. 创建 tokenizer
|
| 105 |
+
vocab_path, vocab_size = create_tokenizer_from_data(data_path)
|
| 106 |
+
|
| 107 |
+
print("[DONE] 训练数据准备完成")
|
| 108 |
+
print(f" 训练数据: {data_path}")
|
| 109 |
+
print(f" Tokenizer: {vocab_path}")
|
| 110 |
+
print(f" 词汇表大小: {vocab_size}")
|
docs/API.md
ADDED
|
@@ -0,0 +1,679 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Fusion-LLM API 文档
|
| 2 |
+
|
| 3 |
+
## 模型 API
|
| 4 |
+
|
| 5 |
+
### FusionMini
|
| 6 |
+
|
| 7 |
+
`FusionMini` 是 Fusion-LLM 的迷你模型实现。
|
| 8 |
+
|
| 9 |
+
#### 类定义
|
| 10 |
+
|
| 11 |
+
```python
|
| 12 |
+
class FusionMini(nn.Module):
|
| 13 |
+
"""
|
| 14 |
+
Fusion-LLM 迷你模型
|
| 15 |
+
|
| 16 |
+
Args:
|
| 17 |
+
config (FusionMiniConfig): 模型配置
|
| 18 |
+
"""
|
| 19 |
+
```
|
| 20 |
+
|
| 21 |
+
#### 方法
|
| 22 |
+
|
| 23 |
+
##### `__init__(config)`
|
| 24 |
+
|
| 25 |
+
初始化 FusionMini 模型。
|
| 26 |
+
|
| 27 |
+
**参数**:
|
| 28 |
+
- `config` (FusionMiniConfig): 模型配置对象
|
| 29 |
+
|
| 30 |
+
**示例**:
|
| 31 |
+
```python
|
| 32 |
+
from models.fusion_mini import FusionMini, FusionMiniConfig
|
| 33 |
+
|
| 34 |
+
config = FusionMiniConfig(
|
| 35 |
+
vocab_size=1000,
|
| 36 |
+
hidden_size=128,
|
| 37 |
+
num_hidden_layers=2,
|
| 38 |
+
)
|
| 39 |
+
model = FusionMini(config)
|
| 40 |
+
```
|
| 41 |
+
|
| 42 |
+
##### `forward(input_ids, attention_mask=None, labels=None, past_key_values=None, use_cache=False, return_dict=True)`
|
| 43 |
+
|
| 44 |
+
模型前向传播。
|
| 45 |
+
|
| 46 |
+
**参数**:
|
| 47 |
+
- `input_ids` (torch.Tensor): 输入 token IDs,形状为 `(batch_size, sequence_length)`
|
| 48 |
+
- `attention_mask` (torch.Tensor, optional): 注意力掩码,形状为 `(batch_size, sequence_length)`
|
| 49 |
+
- `labels` (torch.Tensor, optional): 标签,形状为 `(batch_size, sequence_length)`
|
| 50 |
+
- `past_key_values` (tuple, optional): 过去的键值缓存
|
| 51 |
+
- `use_cache` (bool): 是否使用 KV 缓存
|
| 52 |
+
- `return_dict` (bool): 是否返回字典格式
|
| 53 |
+
|
| 54 |
+
**返回**:
|
| 55 |
+
- 如果 `return_dict=True`:返回字典,包含:
|
| 56 |
+
- `loss` (torch.Tensor): 损失值(如果提供了 labels)
|
| 57 |
+
- `logits` (torch.Tensor): 逻辑值,形状为 `(batch_size, sequence_length, vocab_size)`
|
| 58 |
+
- `past_key_values` (tuple): 更新的键值缓存(如果 `use_cache=True`)
|
| 59 |
+
- 如果 `return_dict=False`:返回元组
|
| 60 |
+
|
| 61 |
+
**示例**:
|
| 62 |
+
```python
|
| 63 |
+
# 训练模式
|
| 64 |
+
outputs = model(
|
| 65 |
+
input_ids=input_ids,
|
| 66 |
+
labels=labels,
|
| 67 |
+
return_dict=True,
|
| 68 |
+
)
|
| 69 |
+
loss = outputs["loss"]
|
| 70 |
+
logits = outputs["logits"]
|
| 71 |
+
|
| 72 |
+
# 推理模式(使用 KV 缓存)
|
| 73 |
+
outputs = model(
|
| 74 |
+
input_ids=input_ids,
|
| 75 |
+
use_cache=True,
|
| 76 |
+
return_dict=True,
|
| 77 |
+
)
|
| 78 |
+
logits = outputs["logits"]
|
| 79 |
+
past_key_values = outputs["past_key_values"]
|
| 80 |
+
```
|
| 81 |
+
|
| 82 |
+
##### `generate(input_ids, max_length=50, temperature=1.0, top_k=50, top_p=0.95)`
|
| 83 |
+
|
| 84 |
+
生成文本(简易接口)。
|
| 85 |
+
|
| 86 |
+
**参数**:
|
| 87 |
+
- `input_ids` (torch.Tensor): 输入 token IDs
|
| 88 |
+
- `max_length` (int): 最大生成长度
|
| 89 |
+
- `temperature` (float): 温度参数
|
| 90 |
+
- `top_k` (int): Top-K 采样参数
|
| 91 |
+
- `top_p` (float): Top-P 采样参数
|
| 92 |
+
|
| 93 |
+
**返回**:
|
| 94 |
+
- `torch.Tensor`: 生成的 token IDs
|
| 95 |
+
|
| 96 |
+
**示例**:
|
| 97 |
+
```python
|
| 98 |
+
generated = model.generate(
|
| 99 |
+
input_ids=input_ids,
|
| 100 |
+
max_length=50,
|
| 101 |
+
temperature=0.8,
|
| 102 |
+
)
|
| 103 |
+
```
|
| 104 |
+
|
| 105 |
+
##### `save_pretrained(save_directory)`
|
| 106 |
+
|
| 107 |
+
保存模型和配置。
|
| 108 |
+
|
| 109 |
+
**参数**:
|
| 110 |
+
- `save_directory` (str): 保存目录
|
| 111 |
+
|
| 112 |
+
**示例**:
|
| 113 |
+
```python
|
| 114 |
+
model.save_pretrained("output/my_model")
|
| 115 |
+
```
|
| 116 |
+
|
| 117 |
+
##### `from_pretrained(pretrained_model_name_or_path)`
|
| 118 |
+
|
| 119 |
+
从预训练路径加载模型。
|
| 120 |
+
|
| 121 |
+
**参数**:
|
| 122 |
+
- `pretrained_model_name_or_path` (str): 预训练模型路径
|
| 123 |
+
|
| 124 |
+
**返回**:
|
| 125 |
+
- `FusionMini`: 加载的模型
|
| 126 |
+
|
| 127 |
+
**示例**:
|
| 128 |
+
```python
|
| 129 |
+
model = FusionMini.from_pretrained("output/my_model")
|
| 130 |
+
```
|
| 131 |
+
|
| 132 |
+
---
|
| 133 |
+
|
| 134 |
+
### FusionMiniConfig
|
| 135 |
+
|
| 136 |
+
`FusionMiniConfig` 是 FusionMini 模型的配置类。
|
| 137 |
+
|
| 138 |
+
#### 类定义
|
| 139 |
+
|
| 140 |
+
```python
|
| 141 |
+
class FusionMiniConfig(PretrainedConfig):
|
| 142 |
+
"""
|
| 143 |
+
FusionMini 模型配置
|
| 144 |
+
|
| 145 |
+
Args:
|
| 146 |
+
vocab_size (int): 词汇表大小
|
| 147 |
+
hidden_size (int): 隐藏层大小
|
| 148 |
+
num_hidden_layers (int): 隐藏层数量
|
| 149 |
+
num_attention_heads (int): 注意力头数量
|
| 150 |
+
intermediate_size (int): 中间层大小
|
| 151 |
+
max_position_embeddings (int): 最大位置编码
|
| 152 |
+
num_key_value_heads (int, optional): KV 头数量(用于 GQA)
|
| 153 |
+
window_size (int, optional): SBLA 窗口大小
|
| 154 |
+
...
|
| 155 |
+
"""
|
| 156 |
+
```
|
| 157 |
+
|
| 158 |
+
#### 属性
|
| 159 |
+
|
| 160 |
+
| 属性 | 类型 | 默认值 | 描述 |
|
| 161 |
+
|------|------|--------|------|
|
| 162 |
+
| `vocab_size` | int | 50257 | 词汇表大小 |
|
| 163 |
+
| `hidden_size` | int | 768 | 隐藏层大小 |
|
| 164 |
+
| `num_hidden_layers` | int | 12 | 隐藏层数量 |
|
| 165 |
+
| `num_attention_heads` | int | 12 | 注意力头数量 |
|
| 166 |
+
| `intermediate_size` | int | 3072 | 中间层大小 |
|
| 167 |
+
| `max_position_embeddings` | int | 1024 | 最大位置编码 |
|
| 168 |
+
| `num_key_value_heads` | int | None | KV 头数量(GQA) |
|
| 169 |
+
| `window_size` | int | 16 | SBLA 窗口大小 |
|
| 170 |
+
|
| 171 |
+
#### 方法
|
| 172 |
+
|
| 173 |
+
##### `__init__(**kwargs)`
|
| 174 |
+
|
| 175 |
+
初始化配置。
|
| 176 |
+
|
| 177 |
+
**示例**:
|
| 178 |
+
```python
|
| 179 |
+
config = FusionMiniConfig(
|
| 180 |
+
vocab_size=1000,
|
| 181 |
+
hidden_size=128,
|
| 182 |
+
num_hidden_layers=2,
|
| 183 |
+
num_attention_heads=2,
|
| 184 |
+
)
|
| 185 |
+
```
|
| 186 |
+
|
| 187 |
+
---
|
| 188 |
+
|
| 189 |
+
## 注意力 API
|
| 190 |
+
|
| 191 |
+
### SBLAttention
|
| 192 |
+
|
| 193 |
+
`SBLAttention` 是 SBLA(Sliding Block Latent Attention)注意力实现。
|
| 194 |
+
|
| 195 |
+
#### 类定义
|
| 196 |
+
|
| 197 |
+
```python
|
| 198 |
+
class SBLAttention(nn.Module):
|
| 199 |
+
"""
|
| 200 |
+
SBLA 注意力层
|
| 201 |
+
|
| 202 |
+
Args:
|
| 203 |
+
hidden_size (int): 隐藏层大小
|
| 204 |
+
num_heads (int): 注意力头数量
|
| 205 |
+
window_size (int): 窗口大小
|
| 206 |
+
num_key_value_heads (int, optional): KV 头数量(用于 GQA)
|
| 207 |
+
"""
|
| 208 |
+
```
|
| 209 |
+
|
| 210 |
+
#### 方法
|
| 211 |
+
|
| 212 |
+
##### `__init__(hidden_size, num_heads, window_size, num_key_value_heads=None)`
|
| 213 |
+
|
| 214 |
+
初始化 SBLA 注意力层。
|
| 215 |
+
|
| 216 |
+
##### `forward(hidden_states, attention_mask=None, past_key_value=None, use_cache=False, output_attentions=False)`
|
| 217 |
+
|
| 218 |
+
前向传播。
|
| 219 |
+
|
| 220 |
+
**参数**:
|
| 221 |
+
- `hidden_states` (torch.Tensor): 隐藏状态,形状为 `(batch_size, sequence_length, hidden_size)`
|
| 222 |
+
- `attention_mask` (torch.Tensor, optional): 注意力掩码
|
| 223 |
+
- `past_key_value` (tuple, optional): 过去的键值缓存
|
| 224 |
+
- `use_cache` (bool): 是否使用 KV 缓存
|
| 225 |
+
- `output_attentions` (bool): 是否输出注意力权重
|
| 226 |
+
|
| 227 |
+
**返回**:
|
| 228 |
+
- `tuple`: (output, past_key_value, attentions)
|
| 229 |
+
|
| 230 |
+
**示例**:
|
| 231 |
+
```python
|
| 232 |
+
from models.sbla_attention import SBLAttention
|
| 233 |
+
|
| 234 |
+
attention = SBLAttention(
|
| 235 |
+
hidden_size=128,
|
| 236 |
+
num_heads=2,
|
| 237 |
+
window_size=16,
|
| 238 |
+
)
|
| 239 |
+
|
| 240 |
+
hidden_states = torch.randn(1, 32, 128)
|
| 241 |
+
output, past_key_value, _ = attention(hidden_states)
|
| 242 |
+
print(output.shape) # torch.Size([1, 32, 128])
|
| 243 |
+
```
|
| 244 |
+
|
| 245 |
+
---
|
| 246 |
+
|
| 247 |
+
## Thinking Dial API
|
| 248 |
+
|
| 249 |
+
### ThinkingDialProcessor
|
| 250 |
+
|
| 251 |
+
`ThinkingDialProcessor` 是 Thinking Dial(动态推理强度控制)处理器。
|
| 252 |
+
|
| 253 |
+
#### 类定义
|
| 254 |
+
|
| 255 |
+
```python
|
| 256 |
+
class ThinkingDialProcessor:
|
| 257 |
+
"""
|
| 258 |
+
Thinking Dial 处理器
|
| 259 |
+
|
| 260 |
+
用于处理 think token,动态控制推理强度。
|
| 261 |
+
"""
|
| 262 |
+
```
|
| 263 |
+
|
| 264 |
+
#### 方法
|
| 265 |
+
|
| 266 |
+
##### `process(text)`
|
| 267 |
+
|
| 268 |
+
处理文本,注入 think token。
|
| 269 |
+
|
| 270 |
+
**参数**:
|
| 271 |
+
- `text` (str): 输入文本(可能包含 `<|think_depth_N|>`)
|
| 272 |
+
|
| 273 |
+
**返回**:
|
| 274 |
+
- `str`: 处理后的文本
|
| 275 |
+
|
| 276 |
+
**示例**:
|
| 277 |
+
```python
|
| 278 |
+
from models.thinking_dial import ThinkingDialProcessor
|
| 279 |
+
|
| 280 |
+
processor = ThinkingDialProcessor()
|
| 281 |
+
|
| 282 |
+
text = "<|think_depth_2|> 这是一个需要深入思考的问题。"
|
| 283 |
+
processed_text = processor.process(text)
|
| 284 |
+
print(processed_text) # 处理后的文本
|
| 285 |
+
```
|
| 286 |
+
|
| 287 |
+
##### `get_think_depth(text)`
|
| 288 |
+
|
| 289 |
+
获取 think token 的深度。
|
| 290 |
+
|
| 291 |
+
**参数**:
|
| 292 |
+
- `text` (str): 输入文本
|
| 293 |
+
|
| 294 |
+
**返回**:
|
| 295 |
+
- `int`: think 深度(0-3)
|
| 296 |
+
|
| 297 |
+
**示例**:
|
| 298 |
+
```python
|
| 299 |
+
depth = processor.get_think_depth(text)
|
| 300 |
+
print(depth) # 2
|
| 301 |
+
```
|
| 302 |
+
|
| 303 |
+
---
|
| 304 |
+
|
| 305 |
+
## 量化 API
|
| 306 |
+
|
| 307 |
+
### DyQuant
|
| 308 |
+
|
| 309 |
+
`DyQuant` 是动态混合精度量化器(4/8/16-bit)。
|
| 310 |
+
|
| 311 |
+
#### 类定义
|
| 312 |
+
|
| 313 |
+
```python
|
| 314 |
+
class DyQuant:
|
| 315 |
+
"""
|
| 316 |
+
动态混合精度量化器
|
| 317 |
+
|
| 318 |
+
支持 4-bit、8-bit、16-bit 量化。
|
| 319 |
+
"""
|
| 320 |
+
```
|
| 321 |
+
|
| 322 |
+
#### 方法
|
| 323 |
+
|
| 324 |
+
##### `quantize(model, bits=8)`
|
| 325 |
+
|
| 326 |
+
量化模型。
|
| 327 |
+
|
| 328 |
+
**参数**:
|
| 329 |
+
- `model` (nn.Module): 要量化的模型
|
| 330 |
+
- `bits` (int): 量化位数(4/8/16)
|
| 331 |
+
|
| 332 |
+
**返回**:
|
| 333 |
+
- `nn.Module`: 量化后的模型
|
| 334 |
+
|
| 335 |
+
**示例**:
|
| 336 |
+
```python
|
| 337 |
+
from inference.dyquant import DyQuant
|
| 338 |
+
|
| 339 |
+
quantizer = DyQuant()
|
| 340 |
+
quantized_model = quantizer.quantize(model, bits=8)
|
| 341 |
+
```
|
| 342 |
+
|
| 343 |
+
##### `save(model, path)`
|
| 344 |
+
|
| 345 |
+
保存量化模型。
|
| 346 |
+
|
| 347 |
+
**参数**:
|
| 348 |
+
- `model` (nn.Module): 量化模型
|
| 349 |
+
- `path` (str): 保存路径
|
| 350 |
+
|
| 351 |
+
**示例**:
|
| 352 |
+
```python
|
| 353 |
+
quantizer.save(quantized_model, "output/quantized_model")
|
| 354 |
+
```
|
| 355 |
+
|
| 356 |
+
##### `load(path)`
|
| 357 |
+
|
| 358 |
+
加载量化模型。
|
| 359 |
+
|
| 360 |
+
**参数**:
|
| 361 |
+
- `path` (str): 模型路径
|
| 362 |
+
|
| 363 |
+
**返回**:
|
| 364 |
+
- `nn.Module`: 加载的量化模型
|
| 365 |
+
|
| 366 |
+
**示例**:
|
| 367 |
+
```python
|
| 368 |
+
loaded_model = quantizer.load("output/quantized_model")
|
| 369 |
+
```
|
| 370 |
+
|
| 371 |
+
---
|
| 372 |
+
|
| 373 |
+
## 训练 API
|
| 374 |
+
|
| 375 |
+
### FullFinetuner
|
| 376 |
+
|
| 377 |
+
`FullFinetuner` 是全量微调器。
|
| 378 |
+
|
| 379 |
+
#### 类定义
|
| 380 |
+
|
| 381 |
+
```python
|
| 382 |
+
class FullFinetuner:
|
| 383 |
+
"""
|
| 384 |
+
全量微调器
|
| 385 |
+
|
| 386 |
+
用于全量微调 Fusion-LLM 模型。
|
| 387 |
+
"""
|
| 388 |
+
```
|
| 389 |
+
|
| 390 |
+
#### 方法
|
| 391 |
+
|
| 392 |
+
##### `train(model, train_dataset, eval_dataset=None, num_epochs=3, batch_size=4)`
|
| 393 |
+
|
| 394 |
+
训练模型。
|
| 395 |
+
|
| 396 |
+
**参数**:
|
| 397 |
+
- `model` (nn.Module): 要训练的模型
|
| 398 |
+
- `train_dataset` (Dataset): 训练数据集
|
| 399 |
+
- `eval_dataset` (Dataset, optional): 评估数据集
|
| 400 |
+
- `num_epochs` (int): 训练轮数
|
| 401 |
+
- `batch_size` (int): 批次大小
|
| 402 |
+
|
| 403 |
+
**示例**:
|
| 404 |
+
```python
|
| 405 |
+
from train.full_finetune import FullFinetuner
|
| 406 |
+
|
| 407 |
+
finetuner = FullFinetuner()
|
| 408 |
+
|
| 409 |
+
finetuner.train(
|
| 410 |
+
model=model,
|
| 411 |
+
train_dataset=train_dataset,
|
| 412 |
+
eval_dataset=eval_dataset,
|
| 413 |
+
num_epochs=3,
|
| 414 |
+
batch_size=4,
|
| 415 |
+
)
|
| 416 |
+
```
|
| 417 |
+
|
| 418 |
+
---
|
| 419 |
+
|
| 420 |
+
## 评估 API
|
| 421 |
+
|
| 422 |
+
### ModelEvaluator
|
| 423 |
+
|
| 424 |
+
`ModelEvaluator` 是模型评估器。
|
| 425 |
+
|
| 426 |
+
#### 类定义
|
| 427 |
+
|
| 428 |
+
```python
|
| 429 |
+
class ModelEvaluator:
|
| 430 |
+
"""
|
| 431 |
+
模型评估器
|
| 432 |
+
|
| 433 |
+
用于评估模型性能(Perplexity、Loss、Accuracy 等)。
|
| 434 |
+
"""
|
| 435 |
+
```
|
| 436 |
+
|
| 437 |
+
#### 方法
|
| 438 |
+
|
| 439 |
+
##### `evaluate(model, eval_data, metrics=["perplexity", "loss", "accuracy"])`
|
| 440 |
+
|
| 441 |
+
评估模型。
|
| 442 |
+
|
| 443 |
+
**参数**:
|
| 444 |
+
- `model` (nn.Module): 要评估的模型
|
| 445 |
+
- `eval_data` (Dataset): 评估数据集
|
| 446 |
+
- `metrics` (List[str]): 评估指标列表
|
| 447 |
+
|
| 448 |
+
**返回**:
|
| 449 |
+
- `EvaluationMetrics`: 评估结果
|
| 450 |
+
|
| 451 |
+
**示例**:
|
| 452 |
+
```python
|
| 453 |
+
from evaluation.metrics import ModelEvaluator
|
| 454 |
+
|
| 455 |
+
evaluator = ModelEvaluator()
|
| 456 |
+
|
| 457 |
+
metrics = evaluator.evaluate(
|
| 458 |
+
model=model,
|
| 459 |
+
eval_data=eval_dataset,
|
| 460 |
+
metrics=["perplexity", "loss", "accuracy"],
|
| 461 |
+
)
|
| 462 |
+
|
| 463 |
+
print(f"Perplexity: {metrics.perplexity:.2f}")
|
| 464 |
+
print(f"Loss: {metrics.loss:.4f}")
|
| 465 |
+
print(f"Accuracy: {metrics.accuracy:.4f}")
|
| 466 |
+
```
|
| 467 |
+
|
| 468 |
+
---
|
| 469 |
+
|
| 470 |
+
## 部署 API
|
| 471 |
+
|
| 472 |
+
### OllamaDeployer
|
| 473 |
+
|
| 474 |
+
`OllamaDeployer` 是 Ollama 部署器。
|
| 475 |
+
|
| 476 |
+
#### 类定义
|
| 477 |
+
|
| 478 |
+
```python
|
| 479 |
+
class OllamaDeployer:
|
| 480 |
+
"""
|
| 481 |
+
Ollama 部署器
|
| 482 |
+
|
| 483 |
+
用于将 Fusion-LLM 模型部署到 Ollama。
|
| 484 |
+
"""
|
| 485 |
+
```
|
| 486 |
+
|
| 487 |
+
#### 方法
|
| 488 |
+
|
| 489 |
+
##### `deploy(model_path, output_path)`
|
| 490 |
+
|
| 491 |
+
部署模型到 Ollama。
|
| 492 |
+
|
| 493 |
+
**参数**:
|
| 494 |
+
- `model_path` (str): 模型路径
|
| 495 |
+
- `output_path` (str): 输出路径
|
| 496 |
+
|
| 497 |
+
**示例**:
|
| 498 |
+
```python
|
| 499 |
+
from inference.ollama_deploy_v2 import OllamaDeployer
|
| 500 |
+
|
| 501 |
+
deployer = OllamaDeployer()
|
| 502 |
+
|
| 503 |
+
deployer.deploy(
|
| 504 |
+
model_path="output/real_model",
|
| 505 |
+
output_path="output/ollama_model",
|
| 506 |
+
)
|
| 507 |
+
```
|
| 508 |
+
|
| 509 |
+
---
|
| 510 |
+
|
| 511 |
+
## 数据集 API
|
| 512 |
+
|
| 513 |
+
### TextDataset
|
| 514 |
+
|
| 515 |
+
`TextDataset` 是文本数据集。
|
| 516 |
+
|
| 517 |
+
#### 类定义
|
| 518 |
+
|
| 519 |
+
```python
|
| 520 |
+
class TextDataset(Dataset):
|
| 521 |
+
"""
|
| 522 |
+
文本数据集
|
| 523 |
+
|
| 524 |
+
用于加载文本数据并进行编码。
|
| 525 |
+
"""
|
| 526 |
+
```
|
| 527 |
+
|
| 528 |
+
#### 方法
|
| 529 |
+
|
| 530 |
+
##### `__init__(tokenizer, file_path, block_size=128)`
|
| 531 |
+
|
| 532 |
+
初始化数据集。
|
| 533 |
+
|
| 534 |
+
**参数**:
|
| 535 |
+
- `tokenizer`: Tokenizer
|
| 536 |
+
- `file_path` (str): 文件路径
|
| 537 |
+
- `block_size` (int): 块大小
|
| 538 |
+
|
| 539 |
+
**示例**:
|
| 540 |
+
```python
|
| 541 |
+
from torch.utils.data import Dataset
|
| 542 |
+
|
| 543 |
+
class TextDataset(Dataset):
|
| 544 |
+
def __init__(self, tokenizer, file_path, block_size=128):
|
| 545 |
+
# ...
|
| 546 |
+
pass
|
| 547 |
+
```
|
| 548 |
+
|
| 549 |
+
---
|
| 550 |
+
|
| 551 |
+
## 完整示例
|
| 552 |
+
|
| 553 |
+
### 训练完整流程
|
| 554 |
+
|
| 555 |
+
```python
|
| 556 |
+
import torch
|
| 557 |
+
from models.fusion_mini import FusionMini, FusionMiniConfig
|
| 558 |
+
from train.full_finetune import FullFinetuner
|
| 559 |
+
from evaluation.metrics import ModelEvaluator
|
| 560 |
+
|
| 561 |
+
# 1. 创建模型
|
| 562 |
+
config = FusionMiniConfig(
|
| 563 |
+
vocab_size=1000,
|
| 564 |
+
hidden_size=128,
|
| 565 |
+
num_hidden_layers=2,
|
| 566 |
+
)
|
| 567 |
+
model = FusionMini(config)
|
| 568 |
+
|
| 569 |
+
# 2. 创建训练器
|
| 570 |
+
finetuner = FullFinetuner()
|
| 571 |
+
|
| 572 |
+
# 3. 训练
|
| 573 |
+
finetuner.train(
|
| 574 |
+
model=model,
|
| 575 |
+
train_dataset=train_dataset,
|
| 576 |
+
eval_dataset=eval_dataset,
|
| 577 |
+
num_epochs=3,
|
| 578 |
+
batch_size=4,
|
| 579 |
+
)
|
| 580 |
+
|
| 581 |
+
# 4. 评估
|
| 582 |
+
evaluator = ModelEvaluator()
|
| 583 |
+
metrics = evaluator.evaluate(
|
| 584 |
+
model=model,
|
| 585 |
+
eval_data=eval_dataset,
|
| 586 |
+
)
|
| 587 |
+
|
| 588 |
+
print(f"Perplexity: {metrics.perplexity:.2f}")
|
| 589 |
+
print(f"Loss: {metrics.loss:.4f}")
|
| 590 |
+
```
|
| 591 |
+
|
| 592 |
+
### 推理完整流程
|
| 593 |
+
|
| 594 |
+
```python
|
| 595 |
+
import torch
|
| 596 |
+
from models.fusion_mini import FusionMini
|
| 597 |
+
|
| 598 |
+
# 1. 加载模型
|
| 599 |
+
model = FusionMini.from_pretrained("output/real_model")
|
| 600 |
+
model.eval()
|
| 601 |
+
|
| 602 |
+
# 2. 创建输入
|
| 603 |
+
input_ids = torch.tensor([[1, 2, 3, 4, 5]])
|
| 604 |
+
|
| 605 |
+
# 3. 推理
|
| 606 |
+
with torch.no_grad():
|
| 607 |
+
outputs = model(
|
| 608 |
+
input_ids=input_ids,
|
| 609 |
+
return_dict=True,
|
| 610 |
+
)
|
| 611 |
+
|
| 612 |
+
logits = outputs["logits"]
|
| 613 |
+
print(f"Logits shape: {logits.shape}")
|
| 614 |
+
|
| 615 |
+
# 4. 生成
|
| 616 |
+
generated = model.generate(
|
| 617 |
+
input_ids=input_ids,
|
| 618 |
+
max_length=50,
|
| 619 |
+
)
|
| 620 |
+
print(f"Generated: {generated}")
|
| 621 |
+
```
|
| 622 |
+
|
| 623 |
+
---
|
| 624 |
+
|
| 625 |
+
## 常见问题
|
| 626 |
+
|
| 627 |
+
### 1. 如何自定义模型配置?
|
| 628 |
+
|
| 629 |
+
使用 `FusionMiniConfig`:
|
| 630 |
+
|
| 631 |
+
```python
|
| 632 |
+
config = FusionMiniConfig(
|
| 633 |
+
vocab_size=2000, # 更大的词汇表
|
| 634 |
+
hidden_size=256, # 更大的隐藏层
|
| 635 |
+
num_hidden_layers=4, # 更深的模型
|
| 636 |
+
num_attention_heads=4, # 更多的注意力头
|
| 637 |
+
)
|
| 638 |
+
```
|
| 639 |
+
|
| 640 |
+
### 2. 如何使用 GQA?
|
| 641 |
+
|
| 642 |
+
在配置中设置 `num_key_value_heads`:
|
| 643 |
+
|
| 644 |
+
```python
|
| 645 |
+
config = FusionMiniConfig(
|
| 646 |
+
num_attention_heads=8, # 8 个查询头
|
| 647 |
+
num_key_value_heads=2, # 2 个 KV 头(GQA)
|
| 648 |
+
)
|
| 649 |
+
```
|
| 650 |
+
|
| 651 |
+
### 3. 如何启用 KV 缓存?
|
| 652 |
+
|
| 653 |
+
在推理时使用 `use_cache=True`:
|
| 654 |
+
|
| 655 |
+
```python
|
| 656 |
+
outputs = model(
|
| 657 |
+
input_ids=input_ids,
|
| 658 |
+
use_cache=True,
|
| 659 |
+
return_dict=True,
|
| 660 |
+
)
|
| 661 |
+
past_key_values = outputs["past_key_values"]
|
| 662 |
+
```
|
| 663 |
+
|
| 664 |
+
### 4. 如何量化模型?
|
| 665 |
+
|
| 666 |
+
使用 `DyQuant`:
|
| 667 |
+
|
| 668 |
+
```python
|
| 669 |
+
from inference.dyquant import DyQuant
|
| 670 |
+
|
| 671 |
+
quantizer = DyQuant()
|
| 672 |
+
quantized_model = quantizer.quantize(model, bits=8)
|
| 673 |
+
```
|
| 674 |
+
|
| 675 |
+
---
|
| 676 |
+
|
| 677 |
+
## 许可证
|
| 678 |
+
|
| 679 |
+
Fusion-LLM API 文档采用 Apache 2.0 许可证。
|
docs/tutorial.md
ADDED
|
@@ -0,0 +1,356 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Fusion-LLM 使用教程
|
| 2 |
+
|
| 3 |
+
## 简介
|
| 4 |
+
|
| 5 |
+
Fusion-LLM 是一个开源大语言模型项目,采用 Apache 2.0 许可证,核心理念为用户主权、纯本地训练推理。
|
| 6 |
+
|
| 7 |
+
### 核心特性
|
| 8 |
+
- **SBLA 注意力**:滑动分块潜注意力(Sliding Block Latent Attention)
|
| 9 |
+
- **Thinking Dial**:动态推理强度控制
|
| 10 |
+
- **纯本地**:无需云端,完全本地训练和推理
|
| 11 |
+
- **用户主权**:数据完全由用户控制
|
| 12 |
+
|
| 13 |
+
---
|
| 14 |
+
|
| 15 |
+
## 安装
|
| 16 |
+
|
| 17 |
+
### 环境要求
|
| 18 |
+
- Python 3.8+
|
| 19 |
+
- PyTorch 2.0+
|
| 20 |
+
- CUDA 11.7+ (可选,用于 GPU 加速)
|
| 21 |
+
|
| 22 |
+
### 安装步骤
|
| 23 |
+
|
| 24 |
+
#### 1. 克隆仓库
|
| 25 |
+
```bash
|
| 26 |
+
git clone https://github.com/zhan1206/fusion-llm.git
|
| 27 |
+
cd fusion-llm
|
| 28 |
+
```
|
| 29 |
+
|
| 30 |
+
#### 2. 安装依赖
|
| 31 |
+
```bash
|
| 32 |
+
pip install -r requirements.txt
|
| 33 |
+
```
|
| 34 |
+
|
| 35 |
+
#### 3. 验证安装
|
| 36 |
+
```bash
|
| 37 |
+
python tests/test_tiny.py
|
| 38 |
+
```
|
| 39 |
+
|
| 40 |
+
如果看到 `[PASS] 测试通过`,说明安装成功!
|
| 41 |
+
|
| 42 |
+
---
|
| 43 |
+
|
| 44 |
+
## 快速开始
|
| 45 |
+
|
| 46 |
+
### 1. 最小训练测试(验证安装)
|
| 47 |
+
|
| 48 |
+
运行最小训练测试(1-2 步,快速验证训练功能):
|
| 49 |
+
|
| 50 |
+
```bash
|
| 51 |
+
python train/test_train_mini.py
|
| 52 |
+
```
|
| 53 |
+
|
| 54 |
+
预期输出:
|
| 55 |
+
```
|
| 56 |
+
[TRAIN] 开始最小训练(1-2 步)...
|
| 57 |
+
[5] 训练 2 步...
|
| 58 |
+
Step 1: Loss = 4.5879
|
| 59 |
+
Step 2: Loss = 4.5768
|
| 60 |
+
训练完成
|
| 61 |
+
[6] 验证损失下降...
|
| 62 |
+
[PASS] Loss 下降: 4.5879 -> 4.5768
|
| 63 |
+
训练有效!
|
| 64 |
+
|
| 65 |
+
[PASS] 训练测试通过
|
| 66 |
+
```
|
| 67 |
+
|
| 68 |
+
### 2. 小训练测试(10 步)
|
| 69 |
+
|
| 70 |
+
运行小训练测试(10 步,验证损失持续下降):
|
| 71 |
+
|
| 72 |
+
```bash
|
| 73 |
+
python train/train_10steps.py
|
| 74 |
+
```
|
| 75 |
+
|
| 76 |
+
预期输出:
|
| 77 |
+
```
|
| 78 |
+
[TRAIN] 开始小训练(10 步)...
|
| 79 |
+
[5] 训练 10 步...
|
| 80 |
+
Step 1: Loss = 6.9452
|
| 81 |
+
Step 2: Loss = 6.8520
|
| 82 |
+
...
|
| 83 |
+
Step 10: Loss = 6.3993
|
| 84 |
+
训练完成
|
| 85 |
+
[6] 验证损失下降...
|
| 86 |
+
[PASS] Loss 持续下降
|
| 87 |
+
训练有效!
|
| 88 |
+
|
| 89 |
+
[PASS] 训练测试通过
|
| 90 |
+
```
|
| 91 |
+
|
| 92 |
+
### 3. 实际模型训练(100 步)
|
| 93 |
+
|
| 94 |
+
运行实际模型训练(100 步,生成模型权重):
|
| 95 |
+
|
| 96 |
+
```bash
|
| 97 |
+
python train/train_real.py
|
| 98 |
+
```
|
| 99 |
+
|
| 100 |
+
预期输出:
|
| 101 |
+
```
|
| 102 |
+
[TRAIN] 开始实际模型训练(100 步)...
|
| 103 |
+
[6] 训练 100 步...
|
| 104 |
+
Step 10: Loss = 3.5885 (Avg: 4.0321)
|
| 105 |
+
...
|
| 106 |
+
Step 100: Loss = 1.7501 (Avg: 1.9562)
|
| 107 |
+
训练完成
|
| 108 |
+
[7] 验证损失下降...
|
| 109 |
+
[PASS] Loss 持续下降
|
| 110 |
+
训练有效!
|
| 111 |
+
|
| 112 |
+
[8] 保存模型...
|
| 113 |
+
模型保存路径: output/real_model
|
| 114 |
+
模型保存成功
|
| 115 |
+
|
| 116 |
+
[PASS] 训练测试通过
|
| 117 |
+
```
|
| 118 |
+
|
| 119 |
+
训练完成后,模型权重将保存到 `output/real_model/` 目录。
|
| 120 |
+
|
| 121 |
+
---
|
| 122 |
+
|
| 123 |
+
## 模型推理
|
| 124 |
+
|
| 125 |
+
### 1. 基本推理测试
|
| 126 |
+
|
| 127 |
+
运行基本推理测试:
|
| 128 |
+
|
| 129 |
+
```bash
|
| 130 |
+
python tests/test_inference_basic.py
|
| 131 |
+
```
|
| 132 |
+
|
| 133 |
+
### 2. 使用训练好的模型进行推理
|
| 134 |
+
|
| 135 |
+
```python
|
| 136 |
+
import torch
|
| 137 |
+
from models.fusion_mini import FusionMini, FusionMiniConfig
|
| 138 |
+
|
| 139 |
+
# 加载模型
|
| 140 |
+
model = FusionMini.from_pretrained("output/real_model")
|
| 141 |
+
model.eval()
|
| 142 |
+
|
| 143 |
+
# 创建输入
|
| 144 |
+
input_ids = torch.tensor([[1, 2, 3, 4, 5]])
|
| 145 |
+
|
| 146 |
+
# 推理
|
| 147 |
+
with torch.no_grad():
|
| 148 |
+
outputs = model(
|
| 149 |
+
input_ids=input_ids,
|
| 150 |
+
return_dict=True,
|
| 151 |
+
)
|
| 152 |
+
|
| 153 |
+
logits = outputs["logits"]
|
| 154 |
+
print(f"Logits shape: {logits.shape}")
|
| 155 |
+
```
|
| 156 |
+
|
| 157 |
+
---
|
| 158 |
+
|
| 159 |
+
## 高级功能
|
| 160 |
+
|
| 161 |
+
### 1. Thinking Dial(动态推理强度控制)
|
| 162 |
+
|
| 163 |
+
Thinking Dial 允许动态控制模型的推理强度。
|
| 164 |
+
|
| 165 |
+
```python
|
| 166 |
+
from models.thinking_dial import ThinkingDialProcessor
|
| 167 |
+
|
| 168 |
+
# 创建处理器
|
| 169 |
+
processor = ThinkingDialProcessor()
|
| 170 |
+
|
| 171 |
+
# 注入 think token
|
| 172 |
+
text = "<|think_depth_2|> 这是一个需要深入思考的问题。"
|
| 173 |
+
processed_text = processor.process(text)
|
| 174 |
+
|
| 175 |
+
print(processed_text)
|
| 176 |
+
```
|
| 177 |
+
|
| 178 |
+
### 2. SBLA 注意力
|
| 179 |
+
|
| 180 |
+
SBLA(Sliding Block Latent Attention)是 Fusion-LLM 的核心注意力机制。
|
| 181 |
+
|
| 182 |
+
```python
|
| 183 |
+
from models.sbla_attention import SBLAttention
|
| 184 |
+
|
| 185 |
+
# 创建 SBLA 注意力层
|
| 186 |
+
attention = SBLAttention(
|
| 187 |
+
hidden_size=128,
|
| 188 |
+
num_heads=2,
|
| 189 |
+
window_size=16,
|
| 190 |
+
)
|
| 191 |
+
|
| 192 |
+
# 前向传播
|
| 193 |
+
hidden_states = torch.randn(1, 32, 128)
|
| 194 |
+
output = attention(hidden_states)
|
| 195 |
+
print(f"Output shape: {output.shape}")
|
| 196 |
+
```
|
| 197 |
+
|
| 198 |
+
### 3. 动态量化(DyQuant)
|
| 199 |
+
|
| 200 |
+
DyQuant(Dynamic Quantization)提供动态混合精度量化(4/8/16-bit)。
|
| 201 |
+
|
| 202 |
+
```python
|
| 203 |
+
from inference.dyquant import DyQuant
|
| 204 |
+
|
| 205 |
+
# 创建量化器
|
| 206 |
+
quantizer = DyQuant()
|
| 207 |
+
|
| 208 |
+
# 量化模型
|
| 209 |
+
quantized_model = quantizer.quantize(model, bits=8)
|
| 210 |
+
|
| 211 |
+
# 保存量化模型
|
| 212 |
+
quantizer.save(quantized_model, "output/quantized_model")
|
| 213 |
+
```
|
| 214 |
+
|
| 215 |
+
---
|
| 216 |
+
|
| 217 |
+
## 训练配置
|
| 218 |
+
|
| 219 |
+
### 1. 使用配置文件
|
| 220 |
+
|
| 221 |
+
创建配置文件 `configs/my_config.json`:
|
| 222 |
+
|
| 223 |
+
```json
|
| 224 |
+
{
|
| 225 |
+
"vocab_size": 1000,
|
| 226 |
+
"hidden_size": 128,
|
| 227 |
+
"num_hidden_layers": 2,
|
| 228 |
+
"num_attention_heads": 2,
|
| 229 |
+
"intermediate_size": 256,
|
| 230 |
+
"max_position_embeddings": 64
|
| 231 |
+
}
|
| 232 |
+
```
|
| 233 |
+
|
| 234 |
+
使用配置文件训练:
|
| 235 |
+
|
| 236 |
+
```bash
|
| 237 |
+
python train/full_finetune.py --config configs/my_config.json
|
| 238 |
+
```
|
| 239 |
+
|
| 240 |
+
### 2. LoRA 微调
|
| 241 |
+
|
| 242 |
+
使用 LoRA 进行参数高效微调:
|
| 243 |
+
|
| 244 |
+
```bash
|
| 245 |
+
python train/lora_finetune.py \
|
| 246 |
+
--model_name_or_path output/real_model \
|
| 247 |
+
--lora_r 8 \
|
| 248 |
+
--lora_alpha 16 \
|
| 249 |
+
--train_epochs 3
|
| 250 |
+
```
|
| 251 |
+
|
| 252 |
+
---
|
| 253 |
+
|
| 254 |
+
## 评估与指标
|
| 255 |
+
|
| 256 |
+
### 1. 使用评估指标
|
| 257 |
+
|
| 258 |
+
```python
|
| 259 |
+
from evaluation.metrics import EvaluationMetrics, ModelEvaluator
|
| 260 |
+
|
| 261 |
+
# 创��评估器
|
| 262 |
+
evaluator = ModelEvaluator()
|
| 263 |
+
|
| 264 |
+
# 评估模型
|
| 265 |
+
metrics = evaluator.evaluate(
|
| 266 |
+
model=model,
|
| 267 |
+
eval_data=eval_dataset,
|
| 268 |
+
metrics=["perplexity", "loss", "accuracy"],
|
| 269 |
+
)
|
| 270 |
+
|
| 271 |
+
print(f"Perplexity: {metrics.perplexity:.2f}")
|
| 272 |
+
print(f"Loss: {metrics.loss:.4f}")
|
| 273 |
+
print(f"Accuracy: {metrics.accuracy:.4f}")
|
| 274 |
+
```
|
| 275 |
+
|
| 276 |
+
### 2. 生成模型卡片
|
| 277 |
+
|
| 278 |
+
```bash
|
| 279 |
+
python evaluation/model_card.py \
|
| 280 |
+
--model_path output/real_model \
|
| 281 |
+
--output_path output/model_card.json
|
| 282 |
+
```
|
| 283 |
+
|
| 284 |
+
---
|
| 285 |
+
|
| 286 |
+
## 部署
|
| 287 |
+
|
| 288 |
+
### 1. Ollama 部署
|
| 289 |
+
|
| 290 |
+
使用 Ollama 部署模型:
|
| 291 |
+
|
| 292 |
+
```bash
|
| 293 |
+
python inference/ollama_deploy_v2.py \
|
| 294 |
+
--model_path output/real_model \
|
| 295 |
+
--output_path output/ollama_model
|
| 296 |
+
```
|
| 297 |
+
|
| 298 |
+
### 2. 量化部署
|
| 299 |
+
|
| 300 |
+
使用动态量化减小模型大小:
|
| 301 |
+
|
| 302 |
+
```bash
|
| 303 |
+
python inference/dyquant.py \
|
| 304 |
+
--model_path output/real_model \
|
| 305 |
+
--bits 8 \
|
| 306 |
+
--output_path output/quantized_model
|
| 307 |
+
```
|
| 308 |
+
|
| 309 |
+
---
|
| 310 |
+
|
| 311 |
+
## 常见问题
|
| 312 |
+
|
| 313 |
+
### 1. 训练时 Loss 不下降?
|
| 314 |
+
|
| 315 |
+
**可能原因**:
|
| 316 |
+
- 学习率太大或太小
|
| 317 |
+
- 数据量太少
|
| 318 |
+
- 模型太小
|
| 319 |
+
|
| 320 |
+
**解决方案**:
|
| 321 |
+
- 调整学习率(尝试 1e-4 到 5e-4)
|
| 322 |
+
- 增加训练数据量
|
| 323 |
+
- 增大模型配置(hidden_size、num_layers)
|
| 324 |
+
|
| 325 |
+
### 2. 推理时出现 NaN?
|
| 326 |
+
|
| 327 |
+
**可能原因**:
|
| 328 |
+
- 注意力掩码错误
|
| 329 |
+
- 梯度爆炸
|
| 330 |
+
|
| 331 |
+
**解决方案**:
|
| 332 |
+
- 检查注意力掩码格式
|
| 333 |
+
- 使用梯度裁剪(`torch.nn.utils.clip_grad_norm_`)
|
| 334 |
+
|
| 335 |
+
### 3. 训练速度太慢?
|
| 336 |
+
|
| 337 |
+
**可能原因**:
|
| 338 |
+
- SBLA 注意力计算量大
|
| 339 |
+
- 没有使用 GPU
|
| 340 |
+
|
| 341 |
+
**解决方案**:
|
| 342 |
+
- 使用更小的配置(hidden_size=32, num_layers=1)
|
| 343 |
+
- 使用 GPU 训练
|
| 344 |
+
- 启用混合精度训练(FP16/BF16)
|
| 345 |
+
|
| 346 |
+
---
|
| 347 |
+
|
| 348 |
+
## 贡献
|
| 349 |
+
|
| 350 |
+
欢迎贡献!请查看 `CONTRIBUTING.md` 了解详情。
|
| 351 |
+
|
| 352 |
+
---
|
| 353 |
+
|
| 354 |
+
## 许可证
|
| 355 |
+
|
| 356 |
+
Fusion-LLM 采用 Apache 2.0 许可证。查看 `LICENSE` 文件了解详情。
|
train/train_real.py
ADDED
|
@@ -0,0 +1,212 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
"""
|
| 2 |
+
实际模型训练 - 训练 100 步(使用真实数据)
|
| 3 |
+
"""
|
| 4 |
+
import sys
|
| 5 |
+
import torch
|
| 6 |
+
import torch.optim as optim
|
| 7 |
+
from pathlib import Path
|
| 8 |
+
import json
|
| 9 |
+
|
| 10 |
+
sys.path.insert(0, '.')
|
| 11 |
+
|
| 12 |
+
from models.fusion_mini import FusionMini, FusionMiniConfig
|
| 13 |
+
|
| 14 |
+
|
| 15 |
+
def train_real():
|
| 16 |
+
"""实际训练(100 步)"""
|
| 17 |
+
print("[TRAIN] 开始实际模型训练(100 步)...")
|
| 18 |
+
print()
|
| 19 |
+
|
| 20 |
+
# 1. 创建小配置(实际使用)
|
| 21 |
+
print("[1] 创建模型配置...")
|
| 22 |
+
config = FusionMiniConfig(
|
| 23 |
+
vocab_size=100, # 小词表(匹配 tokenizer)
|
| 24 |
+
hidden_size=128, # 小隐层
|
| 25 |
+
num_hidden_layers=2, # 2 层
|
| 26 |
+
num_attention_heads=2, # 2 个注意力头
|
| 27 |
+
intermediate_size=256,
|
| 28 |
+
max_position_embeddings=64,
|
| 29 |
+
)
|
| 30 |
+
print(f" 词汇表大小: {config.vocab_size}")
|
| 31 |
+
print(f" 隐藏层大小: {config.hidden_size}")
|
| 32 |
+
print(f" 层数: {config.num_hidden_layers}")
|
| 33 |
+
print()
|
| 34 |
+
|
| 35 |
+
# 2. 创建模型
|
| 36 |
+
print("[2] 创建模型...")
|
| 37 |
+
model = FusionMini(config)
|
| 38 |
+
model.train() # 训练模式
|
| 39 |
+
param_count = sum(p.numel() for p in model.parameters()) / 1e3
|
| 40 |
+
print(f" 参数量: {param_count:.1f}K")
|
| 41 |
+
print(" 模型创建成功")
|
| 42 |
+
print()
|
| 43 |
+
|
| 44 |
+
# 3. 创建优化器
|
| 45 |
+
print("[3] 创建优化器...")
|
| 46 |
+
optimizer = optim.AdamW(
|
| 47 |
+
model.parameters(),
|
| 48 |
+
lr=5e-4,
|
| 49 |
+
weight_decay=0.01,
|
| 50 |
+
)
|
| 51 |
+
print(" 优化器创建成功")
|
| 52 |
+
print()
|
| 53 |
+
|
| 54 |
+
# 4. 加载训练数据
|
| 55 |
+
print("[4] 加载训练数据...")
|
| 56 |
+
data_path = Path("data/training_data.txt")
|
| 57 |
+
|
| 58 |
+
if not data_path.exists():
|
| 59 |
+
print(f" [ERROR] 训练数据不存在: {data_path}")
|
| 60 |
+
return False
|
| 61 |
+
|
| 62 |
+
with open(data_path, "r", encoding="utf-8") as f:
|
| 63 |
+
sentences = [line.strip() for line in f if line.strip()]
|
| 64 |
+
|
| 65 |
+
print(f" 句子数量: {len(sentences)}")
|
| 66 |
+
print(" 训练数据加载成功")
|
| 67 |
+
print()
|
| 68 |
+
|
| 69 |
+
# 5. 准备训练数据(简单编码)
|
| 70 |
+
print("[5] 准备训练数据...")
|
| 71 |
+
|
| 72 |
+
# 简单字符级编码
|
| 73 |
+
chars = sorted(list(set("".join(sentences))))
|
| 74 |
+
char_to_idx = {ch: i+3 for i, ch in enumerate(chars)} # +3 for [PAD], [UNK], [CLS]
|
| 75 |
+
char_to_idx["[PAD]"] = 0
|
| 76 |
+
char_to_idx["[UNK]"] = 1
|
| 77 |
+
char_to_idx["[CLS]"] = 2
|
| 78 |
+
|
| 79 |
+
# 编码句子
|
| 80 |
+
encoded_sentences = []
|
| 81 |
+
for sent in sentences:
|
| 82 |
+
encoded = [char_to_idx.get(ch, 1) for ch in sent] # 1 = [UNK]
|
| 83 |
+
encoded_sentences.append(encoded)
|
| 84 |
+
|
| 85 |
+
print(f" 词汇表大小: {len(char_to_idx)}")
|
| 86 |
+
print(f" 编码句子数量: {len(encoded_sentences)}")
|
| 87 |
+
print(" 训练数据准备成功")
|
| 88 |
+
print()
|
| 89 |
+
|
| 90 |
+
# 6. 训练 100 步
|
| 91 |
+
print("[6] 训练 100 步...")
|
| 92 |
+
losses = []
|
| 93 |
+
batch_size = 4
|
| 94 |
+
seq_len = 32
|
| 95 |
+
|
| 96 |
+
for step in range(100):
|
| 97 |
+
# 随机选择句子
|
| 98 |
+
indices = torch.randint(0, len(encoded_sentences), (batch_size,))
|
| 99 |
+
|
| 100 |
+
# 创建批次
|
| 101 |
+
batch_input = []
|
| 102 |
+
batch_labels = []
|
| 103 |
+
|
| 104 |
+
for idx in indices:
|
| 105 |
+
encoded = encoded_sentences[idx]
|
| 106 |
+
|
| 107 |
+
# 截断或填充到 seq_len
|
| 108 |
+
if len(encoded) > seq_len:
|
| 109 |
+
encoded = encoded[:seq_len]
|
| 110 |
+
else:
|
| 111 |
+
encoded = encoded + [0] * (seq_len - len(encoded))
|
| 112 |
+
|
| 113 |
+
batch_input.append(encoded[:-1]) # 输入:除最后一个 token
|
| 114 |
+
batch_labels.append(encoded[1:]) # 标签:除第一个 token
|
| 115 |
+
|
| 116 |
+
input_ids = torch.tensor(batch_input)
|
| 117 |
+
labels = torch.tensor(batch_labels)
|
| 118 |
+
|
| 119 |
+
# 清零梯度
|
| 120 |
+
optimizer.zero_grad()
|
| 121 |
+
|
| 122 |
+
# 前向传播
|
| 123 |
+
outputs = model(
|
| 124 |
+
input_ids=input_ids,
|
| 125 |
+
labels=labels,
|
| 126 |
+
return_dict=True,
|
| 127 |
+
)
|
| 128 |
+
|
| 129 |
+
loss = outputs["loss"]
|
| 130 |
+
losses.append(loss.item())
|
| 131 |
+
|
| 132 |
+
# 反向传播
|
| 133 |
+
loss.backward()
|
| 134 |
+
|
| 135 |
+
# 更新参数
|
| 136 |
+
optimizer.step()
|
| 137 |
+
|
| 138 |
+
# 每 10 步打印一次
|
| 139 |
+
if (step + 1) % 10 == 0:
|
| 140 |
+
avg_loss = sum(losses[-10:]) / min(10, len(losses))
|
| 141 |
+
print(f" Step {step+1:3d}: Loss = {loss.item():.4f} (Avg: {avg_loss:.4f})")
|
| 142 |
+
|
| 143 |
+
print(" 训练完成")
|
| 144 |
+
print()
|
| 145 |
+
|
| 146 |
+
# 7. 验证损失下降
|
| 147 |
+
print("[7] 验证损失下降...")
|
| 148 |
+
initial_loss = losses[0]
|
| 149 |
+
final_loss = losses[-1]
|
| 150 |
+
is_decreasing = final_loss < initial_loss
|
| 151 |
+
|
| 152 |
+
print(f" 初始 Loss: {initial_loss:.4f}")
|
| 153 |
+
print(f" 最终 Loss: {final_loss:.4f}")
|
| 154 |
+
print(f" Loss 变化: {final_loss - initial_loss:+.4f}")
|
| 155 |
+
print()
|
| 156 |
+
|
| 157 |
+
if is_decreasing:
|
| 158 |
+
print(" [PASS] Loss 持续下降")
|
| 159 |
+
print(" 训练有效!")
|
| 160 |
+
else:
|
| 161 |
+
print(" [WARN] Loss 未下降")
|
| 162 |
+
print(" 可能的问题:学习率太大 / 数据太少 / 模型太小")
|
| 163 |
+
print()
|
| 164 |
+
|
| 165 |
+
# 8. 保存模型
|
| 166 |
+
print("[8] 保存模型...")
|
| 167 |
+
output_dir = Path("output/real_model")
|
| 168 |
+
output_dir.mkdir(parents=True, exist_ok=True)
|
| 169 |
+
|
| 170 |
+
# 保存模型权重
|
| 171 |
+
torch.save(model.state_dict(), output_dir / "model.pt")
|
| 172 |
+
|
| 173 |
+
# 保存配置
|
| 174 |
+
config_dict = {
|
| 175 |
+
"vocab_size": config.vocab_size,
|
| 176 |
+
"hidden_size": config.hidden_size,
|
| 177 |
+
"num_hidden_layers": config.num_hidden_layers,
|
| 178 |
+
"num_attention_heads": config.num_attention_heads,
|
| 179 |
+
"intermediate_size": config.intermediate_size,
|
| 180 |
+
"max_position_embeddings": config.max_position_embeddings,
|
| 181 |
+
}
|
| 182 |
+
|
| 183 |
+
with open(output_dir / "config.json", "w") as f:
|
| 184 |
+
json.dump(config_dict, f, indent=2)
|
| 185 |
+
|
| 186 |
+
print(f" 模型保存路径: {output_dir}")
|
| 187 |
+
print(" 模型保存成功")
|
| 188 |
+
print()
|
| 189 |
+
|
| 190 |
+
print("[TRAIN] 实际模型训练完成")
|
| 191 |
+
return is_decreasing
|
| 192 |
+
|
| 193 |
+
|
| 194 |
+
if __name__ == "__main__":
|
| 195 |
+
print("=" * 60)
|
| 196 |
+
print("Fusion-LLM 实际模型训练(100 步)")
|
| 197 |
+
print("=" * 60)
|
| 198 |
+
print()
|
| 199 |
+
|
| 200 |
+
try:
|
| 201 |
+
success = train_real()
|
| 202 |
+
if success:
|
| 203 |
+
print()
|
| 204 |
+
print("[PASS] 训练测试通过")
|
| 205 |
+
except Exception as e:
|
| 206 |
+
print()
|
| 207 |
+
print(f"[FAIL] 训练测试出错: {e}")
|
| 208 |
+
import traceback
|
| 209 |
+
traceback.print_exc()
|
| 210 |
+
sys.exit(1)
|
| 211 |
+
|
| 212 |
+
sys.exit(0)
|