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+ The CodeGeeX License
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+ You will not use the Software for any act that may undermine China's national security and national unity, harm the public interest of society, or infringe upon the rights and interests of human beings.
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+ 4. Disclaimer
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+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+ 5. Limitation of Liability
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+ EXCEPT TO THE EXTENT PROHIBITED BY APPLICABLE LAW, IN NO EVENT AND UNDER NO LEGAL THEORY, WHETHER BASED IN TORT, NEGLIGENCE, CONTRACT, LIABILITY, OR OTHERWISE WILL ANY LICENSOR BE LIABLE TO YOU FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES, OR ANY OTHER COMMERCIAL LOSSES, EVEN IF THE LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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README.md ADDED
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1
+ ---
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+ language:
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+ - zh
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+ - en
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+ tags:
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+ - codegeex
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+ - glm
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+ - chatglm
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+ - thudm
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+ ---
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+
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+ ![](resources/codegeex_logo.png)
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+
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+ <p align="center">
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+ 🏠 <a href="https://codegeex.cn" target="_blank">Homepage</a>|💻 <a href="https://github.com/THUDM/CodeGeeX2" target="_blank">GitHub</a>|🛠 Tools <a href="https://marketplace.visualstudio.com/items?itemName=aminer.codegeex" target="_blank">VS Code</a>, <a href="https://plugins.jetbrains.com/plugin/20587-codegeex" target="_blank">Jetbrains</a>|🤗 <a href="https://huggingface.co/THUDM/codegeex2-6b" target="_blank">HF Repo</a>|📄 <a href="https://arxiv.org/abs/2303.17568" target="_blank">Paper</a>
16
+ </p>
17
+
18
+ <p align="center">
19
+ 👋 Join our <a href="https://discord.gg/8gjHdkmAN6" target="_blank">Discord</a>, <a href="https://join.slack.com/t/codegeexworkspace/shared_invite/zt-1s118ffrp-mpKKhQD0tKBmzNZVCyEZLw" target="_blank">Slack</a>, <a href="https://t.me/+IipIayJ32B1jOTg1" target="_blank">Telegram</a>, <a href="https://github.com/THUDM/CodeGeeX2/blob/main/resources/wechat.md"target="_blank">WeChat</a>
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+ </p>
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+
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+ # CodeGeeX2: 更强大的多语言代码生成模型
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+ # A More Powerful Multilingual Code Generation Model
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+
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+ CodeGeeX2 是多语言代码生成模型 [CodeGeeX](https://github.com/THUDM/CodeGeeX) ([KDD’23](https://arxiv.org/abs/2303.17568)) 的第二代模型。CodeGeeX2 基于 [ChatGLM2](https://github.com/THUDM/ChatGLM2-6B) 架构加入代码预训练实现,得益于 ChatGLM2 的更优性能,CodeGeeX2 在多项指标上取得性能提升(+107% > CodeGeeX;仅60亿参数即超过150亿参数的 StarCoder-15B 近10%),更多特性包括:
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+
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+ * **更强大的代码能力**:基于 ChatGLM2-6B 基座语言模型,CodeGeeX2-6B 进一步经过了 600B 代码数据预训练,相比一代模型,在代码能力上全面提升,[HumanEval-X](https://huggingface.co/datasets/THUDM/humaneval-x) 评测集的六种编程语言均大幅提升 (Python +57%, C++ +71%, Java +54%, JavaScript +83%, Go +56%, Rust +321\%),在Python上达到 35.9\% 的 Pass@1 一次通过率,超越规模更大的 StarCoder-15B。
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+ * **更优秀的模型特性**:继承 ChatGLM2-6B 模型特性,CodeGeeX2-6B 更好支持中英文输入,支持最大 8192 序列长度,推理速度较一代 CodeGeeX-13B 大幅提升,量化后仅需6GB显存即可运行,支持轻量级本地化部署。
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+ * **更全面的AI编程助手**:CodeGeeX插件([VS Code](https://marketplace.visualstudio.com/items?itemName=aminer.codegeex), [Jetbrains](https://plugins.jetbrains.com/plugin/20587-codegeex))后端升级,支持超过100种编程语言,新增上下文补全、跨文件补全等实用功能。结合 Ask CodeGeeX 交互式AI编程助手,支持中英文对话解决各种编程问题,包括且不限于代码解释、代码翻译、代码纠错、文档生成等,帮助程序员更高效开发。
30
+ * **更开放的协议**:CodeGeeX2-6B 权重对学术研究完全开放,填写[登记表](https://open.bigmodel.cn/mla/form?mcode=CodeGeeX2-6B)申请商业使用。
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+
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+
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+ CodeGeeX2 is the second-generation model of the multilingual code generation model [CodeGeeX](https://github.com/THUDM/CodeGeeX) ([KDD’23](https://arxiv.org/abs/2303.17568)), which is implemented based on the [ChatGLM2](https://github.com/THUDM/ChatGLM2-6B) architecture trained on more code data. Due to the advantage of ChatGLM2, CodeGeeX2 has been comprehensively improved in coding capability (+107% > CodeGeeX; with only 6B parameters, surpassing larger StarCoder-15B for some tasks). It has the following features:
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+
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+ * **More Powerful Coding Capabilities**: Based on the ChatGLM2-6B model, CodeGeeX2-6B has been further pre-trained on 600B code tokens, which has been comprehensively improved in coding capability compared to the first-generation. On the [HumanEval-X](https://huggingface.co/datasets/THUDM/humaneval-x) benchmark, all six languages have been significantly improved (Python +57%, C++ +71%, Java +54%, JavaScript +83%, Go +56%, Rust +321\%), and in Python it reached 35.9% of Pass@1 one-time pass rate, surpassing the larger StarCoder-15B.
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+ * **More Useful Features**: Inheriting the ChatGLM2-6B model features, CodeGeeX2-6B better supports both Chinese and English prompts, maximum 8192 sequence length, and the inference speed is significantly improved compared to the first-generation. After quantization, it only needs 6GB of GPU memory for inference, thus supports lightweight local deployment.
37
+ * **Comprehensive AI Coding Assistant**: The backend of CodeGeeX plugin ([VS Code](https://marketplace.visualstudio.com/items?itemName=aminer.codegeex), [Jetbrains](https://plugins.jetbrains.com/plugin/20587-codegeex)) is upgraded, supporting 100+ programming languages, and adding practical functions such as infilling and cross-file completion. Combined with the "Ask CodeGeeX" interactive AI coding assistant, it can be used to solve various programming problems via Chinese or English dialogue, including but not limited to code summarization, code translation, debugging, and comment generation, which helps increasing the efficiency of developpers.
38
+ * **Open Liscense**: CodeGeeX2-6B weights are fully open to academic research, and please apply for commercial use by filling in the [registration form](https://open.bigmodel.cn/mla/form?mcode=CodeGeeX2-6B).
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+
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+
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+ ## 软件依赖 | Dependency
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+
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+ ```shell
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+ pip install protobuf transformers==4.30.2 cpm_kernels torch>=2.0 gradio mdtex2html sentencepiece accelerate
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+ ```
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+
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+ ## 快速开始 | Get Started
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+
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+ ```python
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+ from transformers import AutoTokenizer, AutoModel
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+ tokenizer = AutoTokenizer.from_pretrained("THUDM/codegeex2-6b", trust_remote_code=True)
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+ model = AutoModel.from_pretrained("THUDM/codegeex2-6b", trust_remote_code=True, device='cuda')
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+ model = model.eval()
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+
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+ # remember adding a language tag for better performance
56
+ prompt = "# language: python\n# write a bubble sort function\n"
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+ inputs = tokenizer.encode(prompt, return_tensors="pt").to(model.device)
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+ outputs = model.generate(inputs, max_length=256, top_k=1)
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+ response = tokenizer.decode(outputs[0])
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+
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+ >>> print(response)
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+ # language: python
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+ # write a bubble sort function
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+
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+
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+ def bubble_sort(list):
67
+ for i in range(len(list) - 1):
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+ for j in range(len(list) - 1):
69
+ if list[j] > list[j + 1]:
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+ list[j], list[j + 1] = list[j + 1], list[j]
71
+ return list
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+
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+
74
+ print(bubble_sort([5, 2, 4, 6, 1, 3]))
75
+ ```
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+
77
+ 关于更多的使用说明,请参考 CodeGeeX2 的 [Github Repo](https://github.com/THUDM/CodeGeeX2)。
78
+
79
+ For more information, please refer to CodeGeeX2's [Github Repo](https://github.com/THUDM/CodeGeeX2).
80
+
81
+ ## 协议 | License
82
+
83
+ 本仓库的代码依照 [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) 协议开源,模型的权重的使用则需要遵循 [Model License](MODEL_LICENSE)。
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+
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+ The code in this repository is open source under the [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) license. The model weights are licensed under the [Model License](MODEL_LICENSE).
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+
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+ ## 引用 | Citation
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+
89
+ 如果觉得我们的工作有帮助,欢迎引用以下论文:
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+
91
+ If you find our work helpful, please feel free to cite the following paper:
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+
93
+ ```
94
+ @inproceedings{zheng2023codegeex,
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+ title={CodeGeeX: A Pre-Trained Model for Code Generation with Multilingual Evaluations on HumanEval-X},
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+ author={Qinkai Zheng and Xiao Xia and Xu Zou and Yuxiao Dong and Shan Wang and Yufei Xue and Zihan Wang and Lei Shen and Andi Wang and Yang Li and Teng Su and Zhilin Yang and Jie Tang},
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+ booktitle={KDD},
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+ year={2023}
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+ }
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+ ```
config.json ADDED
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1
+ {
2
+ "_name_or_path": "THUDM/codegeex2-6b/",
3
+ "add_bias_linear": false,
4
+ "add_qkv_bias": true,
5
+ "apply_query_key_layer_scaling": true,
6
+ "apply_residual_connection_post_layernorm": false,
7
+ "architectures": [
8
+ "ChatGLMForConditionalGeneration"
9
+ ],
10
+ "attention_dropout": 0.0,
11
+ "attention_softmax_in_fp32": true,
12
+ "auto_map": {
13
+ "AutoConfig": "configuration_chatglm.ChatGLMConfig",
14
+ "AutoModel": "modeling_chatglm.ChatGLMForConditionalGeneration",
15
+ "AutoModelForSeq2SeqLM": "modeling_chatglm.ChatGLMForConditionalGeneration"
16
+ },
17
+ "bias_dropout_fusion": true,
18
+ "eos_token_id": 2,
19
+ "ffn_hidden_size": 13696,
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+ "fp32_residual_connection": false,
21
+ "hidden_dropout": 0.0,
22
+ "hidden_size": 4096,
23
+ "interleaved_qkv": false,
24
+ "kv_channels": 128,
25
+ "layernorm_epsilon": 1e-05,
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+ "model_type": "chatglm",
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+ "multi_query_attention": true,
28
+ "multi_query_group_num": 2,
29
+ "num_attention_heads": 32,
30
+ "num_layers": 28,
31
+ "original_rope": true,
32
+ "padded_vocab_size": 65024,
33
+ "post_layer_norm": true,
34
+ "pre_seq_len": null,
35
+ "prefix_projection": false,
36
+ "quantization_bit": 4,
37
+ "rmsnorm": true,
38
+ "rotary_percent": 0.5,
39
+ "seq_length": 8192,
40
+ "tie_word_embeddings": false,
41
+ "torch_dtype": "float16",
42
+ "transformers_version": "4.30.2",
43
+ "use_cache": true,
44
+ "vocab_size": 65024
45
+ }
configuration_chatglm.py ADDED
@@ -0,0 +1,59 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from transformers import PretrainedConfig
2
+
3
+
4
+ class ChatGLMConfig(PretrainedConfig):
5
+ model_type = "chatglm"
6
+ def __init__(
7
+ self,
8
+ num_layers=28,
9
+ padded_vocab_size=65024,
10
+ hidden_size=4096,
11
+ ffn_hidden_size=13696,
12
+ kv_channels=128,
13
+ num_attention_heads=32,
14
+ seq_length=2048,
15
+ hidden_dropout=0.0,
16
+ attention_dropout=0.0,
17
+ layernorm_epsilon=1e-5,
18
+ rmsnorm=True,
19
+ apply_residual_connection_post_layernorm=False,
20
+ post_layer_norm=True,
21
+ add_bias_linear=False,
22
+ add_qkv_bias=False,
23
+ bias_dropout_fusion=True,
24
+ multi_query_attention=False,
25
+ multi_query_group_num=1,
26
+ apply_query_key_layer_scaling=True,
27
+ attention_softmax_in_fp32=True,
28
+ fp32_residual_connection=False,
29
+ quantization_bit=0,
30
+ pre_seq_len=None,
31
+ prefix_projection=False,
32
+ **kwargs
33
+ ):
34
+ self.num_layers = num_layers
35
+ self.vocab_size = padded_vocab_size
36
+ self.padded_vocab_size = padded_vocab_size
37
+ self.hidden_size = hidden_size
38
+ self.ffn_hidden_size = ffn_hidden_size
39
+ self.kv_channels = kv_channels
40
+ self.num_attention_heads = num_attention_heads
41
+ self.seq_length = seq_length
42
+ self.hidden_dropout = hidden_dropout
43
+ self.attention_dropout = attention_dropout
44
+ self.layernorm_epsilon = layernorm_epsilon
45
+ self.rmsnorm = rmsnorm
46
+ self.apply_residual_connection_post_layernorm = apply_residual_connection_post_layernorm
47
+ self.post_layer_norm = post_layer_norm
48
+ self.add_bias_linear = add_bias_linear
49
+ self.add_qkv_bias = add_qkv_bias
50
+ self.bias_dropout_fusion = bias_dropout_fusion
51
+ self.multi_query_attention = multi_query_attention
52
+ self.multi_query_group_num = multi_query_group_num
53
+ self.apply_query_key_layer_scaling = apply_query_key_layer_scaling
54
+ self.attention_softmax_in_fp32 = attention_softmax_in_fp32
55
+ self.fp32_residual_connection = fp32_residual_connection
56
+ self.quantization_bit = quantization_bit
57
+ self.pre_seq_len = pre_seq_len
58
+ self.prefix_projection = prefix_projection
59
+ super().__init__(**kwargs)
generation_config.json ADDED
@@ -0,0 +1,5 @@
 
 
 
 
 
 
1
+ {
2
+ "_from_model_config": true,
3
+ "eos_token_id": 2,
4
+ "transformers_version": "4.30.2"
5
+ }
modeling_chatglm.py ADDED
@@ -0,0 +1,1193 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ """ PyTorch ChatGLM model. """
2
+
3
+ import math
4
+ import copy
5
+ import warnings
6
+ import re
7
+ import sys
8
+
9
+ import torch
10
+ import torch.utils.checkpoint
11
+ import torch.nn.functional as F
12
+ from torch import nn
13
+ from torch.nn import CrossEntropyLoss, LayerNorm
14
+ from torch.nn.utils import skip_init
15
+ from typing import Optional, Tuple, Union, List, Callable, Dict, Any
16
+
17
+ from transformers.modeling_outputs import (
18
+ BaseModelOutputWithPast,
19
+ CausalLMOutputWithPast,
20
+ )
21
+ from transformers.modeling_utils import PreTrainedModel
22
+ from transformers.utils import logging
23
+ from transformers.generation.logits_process import LogitsProcessor
24
+ from transformers.generation.utils import LogitsProcessorList, StoppingCriteriaList, GenerationConfig, ModelOutput
25
+
26
+ from .configuration_chatglm import ChatGLMConfig
27
+
28
+ # flags required to enable jit fusion kernels
29
+
30
+ if sys.platform != 'darwin':
31
+ torch._C._jit_set_profiling_mode(False)
32
+ torch._C._jit_set_profiling_executor(False)
33
+ torch._C._jit_override_can_fuse_on_cpu(True)
34
+ torch._C._jit_override_can_fuse_on_gpu(True)
35
+
36
+ logger = logging.get_logger(__name__)
37
+
38
+ _CHECKPOINT_FOR_DOC = "THUDM/ChatGLM2-6B"
39
+ _CONFIG_FOR_DOC = "ChatGLM6BConfig"
40
+
41
+ CHATGLM_6B_PRETRAINED_MODEL_ARCHIVE_LIST = [
42
+ "THUDM/chatglm2-6b",
43
+ # See all ChatGLM models at https://huggingface.co/models?filter=chatglm
44
+ ]
45
+
46
+
47
+ def default_init(cls, *args, **kwargs):
48
+ return cls(*args, **kwargs)
49
+
50
+
51
+ class InvalidScoreLogitsProcessor(LogitsProcessor):
52
+ def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor) -> torch.FloatTensor:
53
+ if torch.isnan(scores).any() or torch.isinf(scores).any():
54
+ scores.zero_()
55
+ scores[..., 5] = 5e4
56
+ return scores
57
+
58
+
59
+ class PrefixEncoder(torch.nn.Module):
60
+ """
61
+ The torch.nn model to encode the prefix
62
+ Input shape: (batch-size, prefix-length)
63
+ Output shape: (batch-size, prefix-length, 2*layers*hidden)
64
+ """
65
+
66
+ def __init__(self, config: ChatGLMConfig):
67
+ super().__init__()
68
+ self.prefix_projection = config.prefix_projection
69
+ if self.prefix_projection:
70
+ # Use a two-layer MLP to encode the prefix
71
+ kv_size = config.num_layers * config.kv_channels * config.multi_query_group_num * 2
72
+ self.embedding = torch.nn.Embedding(config.pre_seq_len, kv_size)
73
+ self.trans = torch.nn.Sequential(
74
+ torch.nn.Linear(kv_size, config.hidden_size),
75
+ torch.nn.Tanh(),
76
+ torch.nn.Linear(config.hidden_size, kv_size)
77
+ )
78
+ else:
79
+ self.embedding = torch.nn.Embedding(config.pre_seq_len,
80
+ config.num_layers * config.kv_channels * config.multi_query_group_num * 2)
81
+
82
+ def forward(self, prefix: torch.Tensor):
83
+ if self.prefix_projection:
84
+ prefix_tokens = self.embedding(prefix)
85
+ past_key_values = self.trans(prefix_tokens)
86
+ else:
87
+ past_key_values = self.embedding(prefix)
88
+ return past_key_values
89
+
90
+
91
+ def split_tensor_along_last_dim(
92
+ tensor: torch.Tensor,
93
+ num_partitions: int,
94
+ contiguous_split_chunks: bool = False,
95
+ ) -> List[torch.Tensor]:
96
+ """Split a tensor along its last dimension.
97
+
98
+ Arguments:
99
+ tensor: input tensor.
100
+ num_partitions: number of partitions to split the tensor
101
+ contiguous_split_chunks: If True, make each chunk contiguous
102
+ in memory.
103
+
104
+ Returns:
105
+ A list of Tensors
106
+ """
107
+ # Get the size and dimension.
108
+ last_dim = tensor.dim() - 1
109
+ last_dim_size = tensor.size()[last_dim] // num_partitions
110
+ # Split.
111
+ tensor_list = torch.split(tensor, last_dim_size, dim=last_dim)
112
+ # Note: torch.split does not create contiguous tensors by default.
113
+ if contiguous_split_chunks:
114
+ return tuple(chunk.contiguous() for chunk in tensor_list)
115
+
116
+ return tensor_list
117
+
118
+
119
+ class RotaryEmbedding(nn.Module):
120
+ def __init__(self, dim, original_impl=False, device=None, dtype=None):
121
+ super().__init__()
122
+ inv_freq = 1.0 / (10000 ** (torch.arange(0, dim, 2, device=device).to(dtype=dtype) / dim))
123
+ self.register_buffer("inv_freq", inv_freq)
124
+ self.dim = dim
125
+ self.original_impl = original_impl
126
+
127
+ def forward_impl(
128
+ self, seq_len: int, n_elem: int, dtype: torch.dtype, device: torch.device, base: int = 10000
129
+ ):
130
+ """Enhanced Transformer with Rotary Position Embedding.
131
+
132
+ Derived from: https://github.com/labmlai/annotated_deep_learning_paper_implementations/blob/master/labml_nn/
133
+ transformers/rope/__init__.py. MIT License:
134
+ https://github.com/labmlai/annotated_deep_learning_paper_implementations/blob/master/license.
135
+ """
136
+ # $\Theta = {\theta_i = 10000^{\frac{2(i-1)}{d}}, i \in [1, 2, ..., \frac{d}{2}]}$
137
+ theta = 1.0 / (base ** (torch.arange(0, n_elem, 2, dtype=dtype, device=device) / n_elem))
138
+
139
+ # Create position indexes `[0, 1, ..., seq_len - 1]`
140
+ seq_idx = torch.arange(seq_len, dtype=dtype, device=device)
141
+
142
+ # Calculate the product of position index and $\theta_i$
143
+ idx_theta = torch.outer(seq_idx, theta).float()
144
+
145
+ cache = torch.stack([torch.cos(idx_theta), torch.sin(idx_theta)], dim=-1)
146
+
147
+ # this is to mimic the behaviour of complex32, else we will get different results
148
+ if dtype in (torch.float16, torch.bfloat16, torch.int8):
149
+ cache = cache.bfloat16() if dtype == torch.bfloat16 else cache.half()
150
+ return cache
151
+
152
+ def forward(self, max_seq_len, offset=0):
153
+ return self.forward_impl(
154
+ max_seq_len, self.dim, dtype=self.inv_freq.dtype, device=self.inv_freq.device
155
+ )
156
+
157
+
158
+ @torch.jit.script
159
+ def apply_rotary_pos_emb(x: torch.Tensor, rope_cache: torch.Tensor) -> torch.Tensor:
160
+ # x: [sq, b, np, hn]
161
+ sq, b, np, hn = x.size(0), x.size(1), x.size(2), x.size(3)
162
+ rot_dim = rope_cache.shape[-2] * 2
163
+ x, x_pass = x[..., :rot_dim], x[..., rot_dim:]
164
+ # truncate to support variable sizes
165
+ rope_cache = rope_cache[:sq]
166
+ xshaped = x.reshape(sq, -1, np, rot_dim // 2, 2)
167
+ rope_cache = rope_cache.view(sq, -1, 1, xshaped.size(3), 2)
168
+ x_out2 = torch.stack(
169
+ [
170
+ xshaped[..., 0] * rope_cache[..., 0] - xshaped[..., 1] * rope_cache[..., 1],
171
+ xshaped[..., 1] * rope_cache[..., 0] + xshaped[..., 0] * rope_cache[..., 1],
172
+ ],
173
+ -1,
174
+ )
175
+ x_out2 = x_out2.flatten(3)
176
+ return torch.cat((x_out2, x_pass), dim=-1)
177
+
178
+
179
+ class RMSNorm(torch.nn.Module):
180
+ def __init__(self, normalized_shape, eps=1e-5, device=None, dtype=None, **kwargs):
181
+ super().__init__()
182
+ self.weight = torch.nn.Parameter(torch.empty(normalized_shape, device=device, dtype=dtype))
183
+ self.eps = eps
184
+
185
+ def forward(self, hidden_states: torch.Tensor):
186
+ input_dtype = hidden_states.dtype
187
+ variance = hidden_states.to(torch.float32).pow(2).mean(-1, keepdim=True)
188
+ hidden_states = hidden_states * torch.rsqrt(variance + self.eps)
189
+
190
+ return (self.weight * hidden_states).to(input_dtype)
191
+
192
+
193
+ class CoreAttention(torch.nn.Module):
194
+ def __init__(self, config: ChatGLMConfig, layer_number):
195
+ super(CoreAttention, self).__init__()
196
+
197
+ self.apply_query_key_layer_scaling = config.apply_query_key_layer_scaling
198
+ self.attention_softmax_in_fp32 = config.attention_softmax_in_fp32
199
+ if self.apply_query_key_layer_scaling:
200
+ self.attention_softmax_in_fp32 = True
201
+ self.layer_number = max(1, layer_number)
202
+
203
+ projection_size = config.kv_channels * config.num_attention_heads
204
+
205
+ # Per attention head and per partition values.
206
+ self.hidden_size_per_partition = projection_size
207
+ self.hidden_size_per_attention_head = projection_size // config.num_attention_heads
208
+ self.num_attention_heads_per_partition = config.num_attention_heads
209
+
210
+ coeff = None
211
+ self.norm_factor = math.sqrt(self.hidden_size_per_attention_head)
212
+ if self.apply_query_key_layer_scaling:
213
+ coeff = self.layer_number
214
+ self.norm_factor *= coeff
215
+ self.coeff = coeff
216
+
217
+ self.attention_dropout = torch.nn.Dropout(config.attention_dropout)
218
+
219
+ def forward(self, query_layer, key_layer, value_layer, attention_mask):
220
+ pytorch_major_version = int(torch.__version__.split('.')[0])
221
+ if pytorch_major_version >= 2:
222
+ query_layer, key_layer, value_layer = [k.permute(1, 2, 0, 3) for k in [query_layer, key_layer, value_layer]]
223
+ if attention_mask is None and query_layer.shape[2] == key_layer.shape[2]:
224
+ context_layer = torch.nn.functional.scaled_dot_product_attention(query_layer, key_layer, value_layer,
225
+ is_causal=True)
226
+ else:
227
+ if attention_mask is not None:
228
+ attention_mask = ~attention_mask
229
+ context_layer = torch.nn.functional.scaled_dot_product_attention(query_layer, key_layer, value_layer,
230
+ attention_mask)
231
+ context_layer = context_layer.permute(2, 0, 1, 3)
232
+ new_context_layer_shape = context_layer.size()[:-2] + (self.hidden_size_per_partition,)
233
+ context_layer = context_layer.reshape(*new_context_layer_shape)
234
+ else:
235
+ # Raw attention scores
236
+
237
+ # [b, np, sq, sk]
238
+ output_size = (query_layer.size(1), query_layer.size(2), query_layer.size(0), key_layer.size(0))
239
+
240
+ # [sq, b, np, hn] -> [sq, b * np, hn]
241
+ query_layer = query_layer.view(output_size[2], output_size[0] * output_size[1], -1)
242
+ # [sk, b, np, hn] -> [sk, b * np, hn]
243
+ key_layer = key_layer.view(output_size[3], output_size[0] * output_size[1], -1)
244
+
245
+ # preallocting input tensor: [b * np, sq, sk]
246
+ matmul_input_buffer = torch.empty(
247
+ output_size[0] * output_size[1], output_size[2], output_size[3], dtype=query_layer.dtype,
248
+ device=query_layer.device
249
+ )
250
+
251
+ # Raw attention scores. [b * np, sq, sk]
252
+ matmul_result = torch.baddbmm(
253
+ matmul_input_buffer,
254
+ query_layer.transpose(0, 1), # [b * np, sq, hn]
255
+ key_layer.transpose(0, 1).transpose(1, 2), # [b * np, hn, sk]
256
+ beta=0.0,
257
+ alpha=(1.0 / self.norm_factor),
258
+ )
259
+
260
+ # change view to [b, np, sq, sk]
261
+ attention_scores = matmul_result.view(*output_size)
262
+
263
+ # ===========================
264
+ # Attention probs and dropout
265
+ # ===========================
266
+
267
+ # attention scores and attention mask [b, np, sq, sk]
268
+ if self.attention_softmax_in_fp32:
269
+ attention_scores = attention_scores.float()
270
+ if self.coeff is not None:
271
+ attention_scores = attention_scores * self.coeff
272
+ if attention_mask is None and attention_scores.shape[2] == attention_scores.shape[3]:
273
+ attention_mask = torch.ones(output_size[0], 1, output_size[2], output_size[3],
274
+ device=attention_scores.device, dtype=torch.bool)
275
+ attention_mask.tril_()
276
+ attention_mask = ~attention_mask
277
+ if attention_mask is not None:
278
+ attention_scores = attention_scores.masked_fill(attention_mask, float("-inf"))
279
+ attention_probs = F.softmax(attention_scores, dim=-1)
280
+ attention_probs = attention_probs.type_as(value_layer)
281
+
282
+ # This is actually dropping out entire tokens to attend to, which might
283
+ # seem a bit unusual, but is taken from the original Transformer paper.
284
+ attention_probs = self.attention_dropout(attention_probs)
285
+ # =========================
286
+ # Context layer. [sq, b, hp]
287
+ # =========================
288
+
289
+ # value_layer -> context layer.
290
+ # [sk, b, np, hn] --> [b, np, sq, hn]
291
+
292
+ # context layer shape: [b, np, sq, hn]
293
+ output_size = (value_layer.size(1), value_layer.size(2), query_layer.size(0), value_layer.size(3))
294
+ # change view [sk, b * np, hn]
295
+ value_layer = value_layer.view(value_layer.size(0), output_size[0] * output_size[1], -1)
296
+ # change view [b * np, sq, sk]
297
+ attention_probs = attention_probs.view(output_size[0] * output_size[1], output_size[2], -1)
298
+ # matmul: [b * np, sq, hn]
299
+ context_layer = torch.bmm(attention_probs, value_layer.transpose(0, 1))
300
+ # change view [b, np, sq, hn]
301
+ context_layer = context_layer.view(*output_size)
302
+ # [b, np, sq, hn] --> [sq, b, np, hn]
303
+ context_layer = context_layer.permute(2, 0, 1, 3).contiguous()
304
+ # [sq, b, np, hn] --> [sq, b, hp]
305
+ new_context_layer_shape = context_layer.size()[:-2] + (self.hidden_size_per_partition,)
306
+ context_layer = context_layer.view(*new_context_layer_shape)
307
+
308
+ return context_layer
309
+
310
+
311
+ class SelfAttention(torch.nn.Module):
312
+ """Parallel self-attention layer abstract class.
313
+
314
+ Self-attention layer takes input with size [s, b, h]
315
+ and returns output of the same size.
316
+ """
317
+
318
+ def __init__(self, config: ChatGLMConfig, layer_number, device=None):
319
+ super(SelfAttention, self).__init__()
320
+ self.layer_number = max(1, layer_number)
321
+
322
+ self.projection_size = config.kv_channels * config.num_attention_heads
323
+
324
+ # Per attention head and per partition values.
325
+ self.hidden_size_per_attention_head = self.projection_size // config.num_attention_heads
326
+ self.num_attention_heads_per_partition = config.num_attention_heads
327
+
328
+ self.multi_query_attention = config.multi_query_attention
329
+ self.qkv_hidden_size = 3 * self.projection_size
330
+ if self.multi_query_attention:
331
+ self.num_multi_query_groups_per_partition = config.multi_query_group_num
332
+ self.qkv_hidden_size = (
333
+ self.projection_size + 2 * self.hidden_size_per_attention_head * config.multi_query_group_num
334
+ )
335
+ self.query_key_value = nn.Linear(config.hidden_size, self.qkv_hidden_size,
336
+ bias=config.add_bias_linear or config.add_qkv_bias,
337
+ device=device, **_config_to_kwargs(config)
338
+ )
339
+
340
+ self.core_attention = CoreAttention(config, self.layer_number)
341
+
342
+ # Output.
343
+ self.dense = nn.Linear(self.projection_size, config.hidden_size, bias=config.add_bias_linear,
344
+ device=device, **_config_to_kwargs(config)
345
+ )
346
+
347
+ def _allocate_memory(self, inference_max_sequence_len, batch_size, device=None, dtype=None):
348
+ if self.multi_query_attention:
349
+ num_attention_heads = self.num_multi_query_groups_per_partition
350
+ else:
351
+ num_attention_heads = self.num_attention_heads_per_partition
352
+ return torch.empty(
353
+ inference_max_sequence_len,
354
+ batch_size,
355
+ num_attention_heads,
356
+ self.hidden_size_per_attention_head,
357
+ dtype=dtype,
358
+ device=device,
359
+ )
360
+
361
+ def forward(
362
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_cache=None, use_cache=True
363
+ ):
364
+ # hidden_states: [sq, b, h]
365
+
366
+ # =================================================
367
+ # Pre-allocate memory for key-values for inference.
368
+ # =================================================
369
+ # =====================
370
+ # Query, Key, and Value
371
+ # =====================
372
+
373
+ # Attention heads [sq, b, h] --> [sq, b, (np * 3 * hn)]
374
+ mixed_x_layer = self.query_key_value(hidden_states)
375
+
376
+ if self.multi_query_attention:
377
+ (query_layer, key_layer, value_layer) = mixed_x_layer.split(
378
+ [
379
+ self.num_attention_heads_per_partition * self.hidden_size_per_attention_head,
380
+ self.num_multi_query_groups_per_partition * self.hidden_size_per_attention_head,
381
+ self.num_multi_query_groups_per_partition * self.hidden_size_per_attention_head,
382
+ ],
383
+ dim=-1,
384
+ )
385
+ query_layer = query_layer.view(
386
+ query_layer.size()[:-1] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
387
+ )
388
+ key_layer = key_layer.view(
389
+ key_layer.size()[:-1] + (self.num_multi_query_groups_per_partition, self.hidden_size_per_attention_head)
390
+ )
391
+ value_layer = value_layer.view(
392
+ value_layer.size()[:-1]
393
+ + (self.num_multi_query_groups_per_partition, self.hidden_size_per_attention_head)
394
+ )
395
+ else:
396
+ new_tensor_shape = mixed_x_layer.size()[:-1] + \
397
+ (self.num_attention_heads_per_partition,
398
+ 3 * self.hidden_size_per_attention_head)
399
+ mixed_x_layer = mixed_x_layer.view(*new_tensor_shape)
400
+
401
+ # [sq, b, np, 3 * hn] --> 3 [sq, b, np, hn]
402
+ (query_layer, key_layer, value_layer) = split_tensor_along_last_dim(mixed_x_layer, 3)
403
+
404
+ # apply relative positional encoding (rotary embedding)
405
+ if rotary_pos_emb is not None:
406
+ query_layer = apply_rotary_pos_emb(query_layer, rotary_pos_emb)
407
+ key_layer = apply_rotary_pos_emb(key_layer, rotary_pos_emb)
408
+
409
+ # adjust key and value for inference
410
+ if kv_cache is not None:
411
+ cache_k, cache_v = kv_cache
412
+ key_layer = torch.cat((cache_k, key_layer), dim=0)
413
+ value_layer = torch.cat((cache_v, value_layer), dim=0)
414
+ if use_cache:
415
+ kv_cache = (key_layer, value_layer)
416
+ else:
417
+ kv_cache = None
418
+
419
+ if self.multi_query_attention:
420
+ key_layer = key_layer.unsqueeze(-2)
421
+ key_layer = key_layer.expand(
422
+ -1, -1, -1, self.num_attention_heads_per_partition // self.num_multi_query_groups_per_partition, -1
423
+ )
424
+ key_layer = key_layer.contiguous().view(
425
+ key_layer.size()[:2] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
426
+ )
427
+ value_layer = value_layer.unsqueeze(-2)
428
+ value_layer = value_layer.expand(
429
+ -1, -1, -1, self.num_attention_heads_per_partition // self.num_multi_query_groups_per_partition, -1
430
+ )
431
+ value_layer = value_layer.contiguous().view(
432
+ value_layer.size()[:2] + (self.num_attention_heads_per_partition, self.hidden_size_per_attention_head)
433
+ )
434
+
435
+ # ==================================
436
+ # core attention computation
437
+ # ==================================
438
+
439
+ context_layer = self.core_attention(query_layer, key_layer, value_layer, attention_mask)
440
+
441
+ # =================
442
+ # Output. [sq, b, h]
443
+ # =================
444
+
445
+ output = self.dense(context_layer)
446
+
447
+ return output, kv_cache
448
+
449
+
450
+ def _config_to_kwargs(args):
451
+ common_kwargs = {
452
+ "dtype": args.torch_dtype,
453
+ }
454
+ return common_kwargs
455
+
456
+
457
+ class MLP(torch.nn.Module):
458
+ """MLP.
459
+
460
+ MLP will take the input with h hidden state, project it to 4*h
461
+ hidden dimension, perform nonlinear transformation, and project the
462
+ state back into h hidden dimension.
463
+ """
464
+
465
+ def __init__(self, config: ChatGLMConfig, device=None):
466
+ super(MLP, self).__init__()
467
+
468
+ self.add_bias = config.add_bias_linear
469
+
470
+ # Project to 4h. If using swiglu double the output width, see https://arxiv.org/pdf/2002.05202.pdf
471
+ self.dense_h_to_4h = nn.Linear(
472
+ config.hidden_size,
473
+ config.ffn_hidden_size * 2,
474
+ bias=self.add_bias,
475
+ device=device,
476
+ **_config_to_kwargs(config)
477
+ )
478
+
479
+ def swiglu(x):
480
+ x = torch.chunk(x, 2, dim=-1)
481
+ return F.silu(x[0]) * x[1]
482
+
483
+ self.activation_func = swiglu
484
+
485
+ # Project back to h.
486
+ self.dense_4h_to_h = nn.Linear(
487
+ config.ffn_hidden_size,
488
+ config.hidden_size,
489
+ bias=self.add_bias,
490
+ device=device,
491
+ **_config_to_kwargs(config)
492
+ )
493
+
494
+ def forward(self, hidden_states):
495
+ # [s, b, 4hp]
496
+ intermediate_parallel = self.dense_h_to_4h(hidden_states)
497
+ intermediate_parallel = self.activation_func(intermediate_parallel)
498
+ # [s, b, h]
499
+ output = self.dense_4h_to_h(intermediate_parallel)
500
+ return output
501
+
502
+
503
+ class GLMBlock(torch.nn.Module):
504
+ """A single transformer layer.
505
+
506
+ Transformer layer takes input with size [s, b, h] and returns an
507
+ output of the same size.
508
+ """
509
+
510
+ def __init__(self, config: ChatGLMConfig, layer_number, device=None):
511
+ super(GLMBlock, self).__init__()
512
+ self.layer_number = layer_number
513
+
514
+ self.apply_residual_connection_post_layernorm = config.apply_residual_connection_post_layernorm
515
+
516
+ self.fp32_residual_connection = config.fp32_residual_connection
517
+
518
+ LayerNormFunc = RMSNorm if config.rmsnorm else LayerNorm
519
+ # Layernorm on the input data.
520
+ self.input_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
521
+ dtype=config.torch_dtype)
522
+
523
+ # Self attention.
524
+ self.self_attention = SelfAttention(config, layer_number, device=device)
525
+ self.hidden_dropout = config.hidden_dropout
526
+
527
+ # Layernorm on the attention output
528
+ self.post_attention_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
529
+ dtype=config.torch_dtype)
530
+
531
+ # MLP
532
+ self.mlp = MLP(config, device=device)
533
+
534
+ def forward(
535
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_cache=None, use_cache=True,
536
+ ):
537
+ # hidden_states: [s, b, h]
538
+
539
+ # Layer norm at the beginning of the transformer layer.
540
+ layernorm_output = self.input_layernorm(hidden_states)
541
+ # Self attention.
542
+ attention_output, kv_cache = self.self_attention(
543
+ layernorm_output,
544
+ attention_mask,
545
+ rotary_pos_emb,
546
+ kv_cache=kv_cache,
547
+ use_cache=use_cache
548
+ )
549
+
550
+ # Residual connection.
551
+ if self.apply_residual_connection_post_layernorm:
552
+ residual = layernorm_output
553
+ else:
554
+ residual = hidden_states
555
+
556
+ layernorm_input = torch.nn.functional.dropout(attention_output, p=self.hidden_dropout, training=self.training)
557
+ layernorm_input = residual + layernorm_input
558
+
559
+ # Layer norm post the self attention.
560
+ layernorm_output = self.post_attention_layernorm(layernorm_input)
561
+
562
+ # MLP.
563
+ mlp_output = self.mlp(layernorm_output)
564
+
565
+ # Second residual connection.
566
+ if self.apply_residual_connection_post_layernorm:
567
+ residual = layernorm_output
568
+ else:
569
+ residual = layernorm_input
570
+
571
+ output = torch.nn.functional.dropout(mlp_output, p=self.hidden_dropout, training=self.training)
572
+ output = residual + output
573
+
574
+ return output, kv_cache
575
+
576
+
577
+ class GLMTransformer(torch.nn.Module):
578
+ """Transformer class."""
579
+
580
+ def __init__(self, config: ChatGLMConfig, device=None):
581
+ super(GLMTransformer, self).__init__()
582
+
583
+ self.fp32_residual_connection = config.fp32_residual_connection
584
+ self.post_layer_norm = config.post_layer_norm
585
+
586
+ # Number of layers.
587
+ self.num_layers = config.num_layers
588
+
589
+ # Transformer layers.
590
+ def build_layer(layer_number):
591
+ return GLMBlock(config, layer_number, device=device)
592
+
593
+ self.layers = torch.nn.ModuleList([build_layer(i + 1) for i in range(self.num_layers)])
594
+
595
+ if self.post_layer_norm:
596
+ LayerNormFunc = RMSNorm if config.rmsnorm else LayerNorm
597
+ # Final layer norm before output.
598
+ self.final_layernorm = LayerNormFunc(config.hidden_size, eps=config.layernorm_epsilon, device=device,
599
+ dtype=config.torch_dtype)
600
+
601
+ self.gradient_checkpointing = False
602
+
603
+ def _get_layer(self, layer_number):
604
+ return self.layers[layer_number]
605
+
606
+ def forward(
607
+ self, hidden_states, attention_mask, rotary_pos_emb, kv_caches=None,
608
+ use_cache: Optional[bool] = True,
609
+ output_hidden_states: Optional[bool] = False,
610
+ ):
611
+ if not kv_caches:
612
+ kv_caches = [None for _ in range(self.num_layers)]
613
+ presents = () if use_cache else None
614
+ if self.gradient_checkpointing and self.training:
615
+ if use_cache:
616
+ logger.warning_once(
617
+ "`use_cache=True` is incompatible with gradient checkpointing. Setting `use_cache=False`..."
618
+ )
619
+ use_cache = False
620
+
621
+ all_self_attentions = None
622
+ all_hidden_states = () if output_hidden_states else None
623
+ for index in range(self.num_layers):
624
+ if output_hidden_states:
625
+ all_hidden_states = all_hidden_states + (hidden_states,)
626
+
627
+ layer = self._get_layer(index)
628
+ if self.gradient_checkpointing and self.training:
629
+ layer_ret = torch.utils.checkpoint.checkpoint(
630
+ layer,
631
+ hidden_states,
632
+ attention_mask,
633
+ rotary_pos_emb,
634
+ kv_caches[index],
635
+ use_cache
636
+ )
637
+ else:
638
+ layer_ret = layer(
639
+ hidden_states,
640
+ attention_mask,
641
+ rotary_pos_emb,
642
+ kv_cache=kv_caches[index],
643
+ use_cache=use_cache
644
+ )
645
+ hidden_states, kv_cache = layer_ret
646
+ if use_cache:
647
+ presents = presents + (kv_cache,)
648
+
649
+ if output_hidden_states:
650
+ all_hidden_states = all_hidden_states + (hidden_states,)
651
+
652
+ # Final layer norm.
653
+ if self.post_layer_norm:
654
+ hidden_states = self.final_layernorm(hidden_states)
655
+
656
+ return hidden_states, presents, all_hidden_states, all_self_attentions
657
+
658
+
659
+ class ChatGLMPreTrainedModel(PreTrainedModel):
660
+ """
661
+ An abstract class to handle weights initialization and
662
+ a simple interface for downloading and loading pretrained models.
663
+ """
664
+
665
+ is_parallelizable = False
666
+ supports_gradient_checkpointing = True
667
+ config_class = ChatGLMConfig
668
+ base_model_prefix = "transformer"
669
+ _no_split_modules = ["GLMBlock"]
670
+
671
+ def _init_weights(self, module: nn.Module):
672
+ """Initialize the weights."""
673
+ return
674
+
675
+ def get_masks(self, input_ids, past_key_values, padding_mask=None):
676
+ batch_size, seq_length = input_ids.shape
677
+ full_attention_mask = torch.ones(batch_size, seq_length, seq_length, device=input_ids.device)
678
+ full_attention_mask.tril_()
679
+ past_length = 0
680
+ if past_key_values:
681
+ past_length = past_key_values[0][0].shape[0]
682
+ if past_length:
683
+ full_attention_mask = torch.cat((torch.ones(batch_size, seq_length, past_length,
684
+ device=input_ids.device), full_attention_mask), dim=-1)
685
+ if padding_mask is not None:
686
+ full_attention_mask = full_attention_mask * padding_mask.unsqueeze(1)
687
+ if not past_length and padding_mask is not None:
688
+ full_attention_mask -= padding_mask.unsqueeze(-1) - 1
689
+ full_attention_mask = (full_attention_mask < 0.5).bool()
690
+ full_attention_mask.unsqueeze_(1)
691
+ return full_attention_mask
692
+
693
+ def get_position_ids(self, input_ids, device):
694
+ batch_size, seq_length = input_ids.shape
695
+ position_ids = torch.arange(seq_length, dtype=torch.long, device=device).unsqueeze(0).repeat(batch_size, 1)
696
+ return position_ids
697
+
698
+ def _set_gradient_checkpointing(self, module, value=False):
699
+ if isinstance(module, GLMTransformer):
700
+ module.gradient_checkpointing = value
701
+
702
+
703
+ class Embedding(torch.nn.Module):
704
+ """Language model embeddings."""
705
+
706
+ def __init__(self, config: ChatGLMConfig, device=None):
707
+ super(Embedding, self).__init__()
708
+
709
+ self.hidden_size = config.hidden_size
710
+ # Word embeddings (parallel).
711
+ self.word_embeddings = nn.Embedding(
712
+ config.padded_vocab_size,
713
+ self.hidden_size,
714
+ dtype=config.torch_dtype,
715
+ device=device
716
+ )
717
+ self.fp32_residual_connection = config.fp32_residual_connection
718
+
719
+ def forward(self, input_ids):
720
+ # Embeddings.
721
+ words_embeddings = self.word_embeddings(input_ids)
722
+ embeddings = words_embeddings
723
+ # Data format change to avoid explicit tranposes : [b s h] --> [s b h].
724
+ embeddings = embeddings.transpose(0, 1).contiguous()
725
+ # If the input flag for fp32 residual connection is set, convert for float.
726
+ if self.fp32_residual_connection:
727
+ embeddings = embeddings.float()
728
+ return embeddings
729
+
730
+
731
+ class ChatGLMModel(ChatGLMPreTrainedModel):
732
+ def __init__(self, config: ChatGLMConfig, device=None, empty_init=True):
733
+ super().__init__(config)
734
+ if empty_init:
735
+ init_method = skip_init
736
+ else:
737
+ init_method = default_init
738
+ init_kwargs = {}
739
+ if device is not None:
740
+ init_kwargs["device"] = device
741
+ self.embedding = init_method(Embedding, config, **init_kwargs)
742
+ self.num_layers = config.num_layers
743
+ self.multi_query_group_num = config.multi_query_group_num
744
+ self.kv_channels = config.kv_channels
745
+
746
+ # Rotary positional embeddings
747
+ self.seq_length = config.seq_length
748
+ rotary_dim = (
749
+ config.hidden_size // config.num_attention_heads if config.kv_channels is None else config.kv_channels
750
+ )
751
+
752
+ self.rotary_pos_emb = RotaryEmbedding(rotary_dim // 2, original_impl=config.original_rope, device=device,
753
+ dtype=config.torch_dtype)
754
+ self.encoder = init_method(GLMTransformer, config, **init_kwargs)
755
+ self.output_layer = init_method(nn.Linear, config.hidden_size, config.padded_vocab_size, bias=False,
756
+ dtype=config.torch_dtype, **init_kwargs)
757
+ self.pre_seq_len = config.pre_seq_len
758
+ self.prefix_projection = config.prefix_projection
759
+ if self.pre_seq_len is not None:
760
+ for param in self.parameters():
761
+ param.requires_grad = False
762
+ self.prefix_tokens = torch.arange(self.pre_seq_len).long()
763
+ self.prefix_encoder = PrefixEncoder(config)
764
+ self.dropout = torch.nn.Dropout(0.1)
765
+
766
+ def get_input_embeddings(self):
767
+ return self.embedding.word_embeddings
768
+
769
+ def get_prompt(self, batch_size, device, dtype=torch.half):
770
+ prefix_tokens = self.prefix_tokens.unsqueeze(0).expand(batch_size, -1).to(device)
771
+ past_key_values = self.prefix_encoder(prefix_tokens).type(dtype)
772
+ past_key_values = past_key_values.view(
773
+ batch_size,
774
+ self.pre_seq_len,
775
+ self.num_layers * 2,
776
+ self.multi_query_group_num,
777
+ self.kv_channels
778
+ )
779
+ # seq_len, b, nh, hidden_size
780
+ past_key_values = self.dropout(past_key_values)
781
+ past_key_values = past_key_values.permute([2, 1, 0, 3, 4]).split(2)
782
+ return past_key_values
783
+
784
+ def forward(
785
+ self,
786
+ input_ids,
787
+ position_ids: Optional[torch.Tensor] = None,
788
+ attention_mask: Optional[torch.BoolTensor] = None,
789
+ full_attention_mask: Optional[torch.BoolTensor] = None,
790
+ past_key_values: Optional[Tuple[Tuple[torch.Tensor, torch.Tensor], ...]] = None,
791
+ inputs_embeds: Optional[torch.Tensor] = None,
792
+ use_cache: Optional[bool] = None,
793
+ output_hidden_states: Optional[bool] = None,
794
+ return_dict: Optional[bool] = None,
795
+ ):
796
+ output_hidden_states = (
797
+ output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
798
+ )
799
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
800
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
801
+
802
+ batch_size, seq_length = input_ids.shape
803
+
804
+ if inputs_embeds is None:
805
+ inputs_embeds = self.embedding(input_ids)
806
+
807
+ if self.pre_seq_len is not None:
808
+ if past_key_values is None:
809
+ past_key_values = self.get_prompt(batch_size=batch_size, device=input_ids.device,
810
+ dtype=inputs_embeds.dtype)
811
+ if attention_mask is not None:
812
+ attention_mask = torch.cat([attention_mask.new_ones((batch_size, self.pre_seq_len)),
813
+ attention_mask], dim=-1)
814
+
815
+ if full_attention_mask is None:
816
+ if (attention_mask is not None and not attention_mask.all()) or (past_key_values and seq_length != 1):
817
+ full_attention_mask = self.get_masks(input_ids, past_key_values, padding_mask=attention_mask)
818
+
819
+ # Rotary positional embeddings
820
+ rotary_pos_emb = self.rotary_pos_emb(self.seq_length)
821
+ if position_ids is not None:
822
+ rotary_pos_emb = rotary_pos_emb[position_ids]
823
+ else:
824
+ rotary_pos_emb = rotary_pos_emb[None, :seq_length]
825
+ rotary_pos_emb = rotary_pos_emb.transpose(0, 1).contiguous()
826
+
827
+ # Run encoder.
828
+ hidden_states, presents, all_hidden_states, all_self_attentions = self.encoder(
829
+ inputs_embeds, full_attention_mask, rotary_pos_emb=rotary_pos_emb,
830
+ kv_caches=past_key_values, use_cache=use_cache, output_hidden_states=output_hidden_states
831
+ )
832
+
833
+ if not return_dict:
834
+ return tuple(v for v in [hidden_states, presents, all_hidden_states, all_self_attentions] if v is not None)
835
+
836
+ return BaseModelOutputWithPast(
837
+ last_hidden_state=hidden_states,
838
+ past_key_values=presents,
839
+ hidden_states=all_hidden_states,
840
+ attentions=all_self_attentions,
841
+ )
842
+
843
+ def quantize(self, weight_bit_width: int):
844
+ from .quantization import quantize
845
+ quantize(self.encoder, weight_bit_width)
846
+ return self
847
+
848
+
849
+ class ChatGLMForConditionalGeneration(ChatGLMPreTrainedModel):
850
+ def __init__(self, config: ChatGLMConfig, empty_init=True, device=None):
851
+ super().__init__(config)
852
+
853
+ self.max_sequence_length = config.max_length
854
+ self.transformer = ChatGLMModel(config, empty_init=empty_init, device=device)
855
+ self.config = config
856
+ self.quantized = False
857
+
858
+ if self.config.quantization_bit:
859
+ self.quantize(self.config.quantization_bit, empty_init=True)
860
+
861
+ def _update_model_kwargs_for_generation(
862
+ self,
863
+ outputs: ModelOutput,
864
+ model_kwargs: Dict[str, Any],
865
+ is_encoder_decoder: bool = False,
866
+ standardize_cache_format: bool = False,
867
+ ) -> Dict[str, Any]:
868
+ # update past_key_values
869
+ model_kwargs["past_key_values"] = self._extract_past_from_model_output(
870
+ outputs, standardize_cache_format=standardize_cache_format
871
+ )
872
+
873
+ # update attention mask
874
+ if "attention_mask" in model_kwargs:
875
+ attention_mask = model_kwargs["attention_mask"]
876
+ model_kwargs["attention_mask"] = torch.cat(
877
+ [attention_mask, attention_mask.new_ones((attention_mask.shape[0], 1))], dim=-1
878
+ )
879
+
880
+ # update position ids
881
+ if "position_ids" in model_kwargs:
882
+ position_ids = model_kwargs["position_ids"]
883
+ new_position_id = position_ids[..., -1:].clone()
884
+ new_position_id += 1
885
+ model_kwargs["position_ids"] = torch.cat(
886
+ [position_ids, new_position_id], dim=-1
887
+ )
888
+
889
+ model_kwargs["is_first_forward"] = False
890
+ return model_kwargs
891
+
892
+ def prepare_inputs_for_generation(
893
+ self,
894
+ input_ids: torch.LongTensor,
895
+ past_key_values: Optional[torch.Tensor] = None,
896
+ attention_mask: Optional[torch.Tensor] = None,
897
+ position_ids: Optional[torch.Tensor] = None,
898
+ is_first_forward: bool = True,
899
+ **kwargs
900
+ ) -> dict:
901
+ # only last token for input_ids if past is not None
902
+ if position_ids is None:
903
+ position_ids = self.get_position_ids(input_ids, device=input_ids.device)
904
+ if not is_first_forward:
905
+ position_ids = position_ids[..., -1:]
906
+ input_ids = input_ids[:, -1:]
907
+ return {
908
+ "input_ids": input_ids,
909
+ "past_key_values": past_key_values,
910
+ "position_ids": position_ids,
911
+ "attention_mask": attention_mask,
912
+ "return_last_logit": True
913
+ }
914
+
915
+ def forward(
916
+ self,
917
+ input_ids: Optional[torch.Tensor] = None,
918
+ position_ids: Optional[torch.Tensor] = None,
919
+ attention_mask: Optional[torch.Tensor] = None,
920
+ past_key_values: Optional[Tuple[torch.FloatTensor]] = None,
921
+ inputs_embeds: Optional[torch.Tensor] = None,
922
+ labels: Optional[torch.Tensor] = None,
923
+ use_cache: Optional[bool] = None,
924
+ output_attentions: Optional[bool] = None,
925
+ output_hidden_states: Optional[bool] = None,
926
+ return_dict: Optional[bool] = None,
927
+ return_last_logit: Optional[bool] = False,
928
+ ):
929
+ use_cache = use_cache if use_cache is not None else self.config.use_cache
930
+ return_dict = return_dict if return_dict is not None else self.config.use_return_dict
931
+
932
+ transformer_outputs = self.transformer(
933
+ input_ids=input_ids,
934
+ position_ids=position_ids,
935
+ attention_mask=attention_mask,
936
+ past_key_values=past_key_values,
937
+ inputs_embeds=inputs_embeds,
938
+ use_cache=use_cache,
939
+ output_hidden_states=output_hidden_states,
940
+ return_dict=return_dict,
941
+ )
942
+
943
+ hidden_states = transformer_outputs[0]
944
+ if return_last_logit:
945
+ hidden_states = hidden_states[-1:]
946
+ lm_logits = self.transformer.output_layer(hidden_states)
947
+ lm_logits = lm_logits.transpose(0, 1).contiguous()
948
+
949
+ loss = None
950
+ if labels is not None:
951
+ lm_logits = lm_logits.to(torch.float32)
952
+
953
+ # Shift so that tokens < n predict n
954
+ shift_logits = lm_logits[..., :-1, :].contiguous()
955
+ shift_labels = labels[..., 1:].contiguous()
956
+ # Flatten the tokens
957
+ loss_fct = CrossEntropyLoss(ignore_index=-100)
958
+ loss = loss_fct(shift_logits.view(-1, shift_logits.size(-1)), shift_labels.view(-1))
959
+
960
+ lm_logits = lm_logits.to(hidden_states.dtype)
961
+ loss = loss.to(hidden_states.dtype)
962
+
963
+ if not return_dict:
964
+ output = (lm_logits,) + transformer_outputs[1:]
965
+ return ((loss,) + output) if loss is not None else output
966
+
967
+ return CausalLMOutputWithPast(
968
+ loss=loss,
969
+ logits=lm_logits,
970
+ past_key_values=transformer_outputs.past_key_values,
971
+ hidden_states=transformer_outputs.hidden_states,
972
+ attentions=transformer_outputs.attentions,
973
+ )
974
+
975
+ @staticmethod
976
+ def _reorder_cache(
977
+ past: Tuple[Tuple[torch.Tensor, torch.Tensor], ...], beam_idx: torch.LongTensor
978
+ ) -> Tuple[Tuple[torch.Tensor, torch.Tensor], ...]:
979
+ """
980
+ This function is used to re-order the `past_key_values` cache if [`~PreTrainedModel.beam_search`] or
981
+ [`~PreTrainedModel.beam_sample`] is called. This is required to match `past_key_values` with the correct
982
+ beam_idx at every generation step.
983
+
984
+ Output shares the same memory storage as `past`.
985
+ """
986
+ return tuple(
987
+ (
988
+ layer_past[0].index_select(1, beam_idx.to(layer_past[0].device)),
989
+ layer_past[1].index_select(1, beam_idx.to(layer_past[1].device)),
990
+ )
991
+ for layer_past in past
992
+ )
993
+
994
+ def process_response(self, response):
995
+ response = response.strip()
996
+ response = response.replace("[[训练时间]]", "2023年")
997
+ return response
998
+
999
+ def build_inputs(self, tokenizer, query: str, history: List[Tuple[str, str]] = None):
1000
+ prompt = tokenizer.build_prompt(query, history=history)
1001
+ inputs = tokenizer([prompt], return_tensors="pt")
1002
+ inputs = inputs.to(self.device)
1003
+ return inputs
1004
+
1005
+ def build_stream_inputs(self, tokenizer, query: str, history: List[Tuple[str, str]] = None):
1006
+ if history:
1007
+ prompt = "\n\n[Round {}]\n\n问:{}\n\n答:".format(len(history) + 1, query)
1008
+ input_ids = tokenizer.encode(prompt, add_special_tokens=False)
1009
+ input_ids = input_ids[1:]
1010
+ inputs = tokenizer.batch_encode_plus([(input_ids, None)], return_tensors="pt", add_special_tokens=False)
1011
+ else:
1012
+ prompt = "[Round {}]\n\n问:{}\n\n答:".format(len(history) + 1, query)
1013
+ inputs = tokenizer([prompt], return_tensors="pt")
1014
+ inputs = inputs.to(self.device)
1015
+ return inputs
1016
+
1017
+ @torch.inference_mode()
1018
+ def chat(self, tokenizer, query: str, history: List[Tuple[str, str]] = None, max_length: int = 8192, num_beams=1,
1019
+ do_sample=True, top_p=0.8, temperature=0.8, logits_processor=None, **kwargs):
1020
+ if history is None:
1021
+ history = []
1022
+ if logits_processor is None:
1023
+ logits_processor = LogitsProcessorList()
1024
+ logits_processor.append(InvalidScoreLogitsProcessor())
1025
+ gen_kwargs = {"max_length": max_length, "num_beams": num_beams, "do_sample": do_sample, "top_p": top_p,
1026
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1027
+ inputs = self.build_inputs(tokenizer, query, history=history)
1028
+ outputs = self.generate(**inputs, **gen_kwargs)
1029
+ outputs = outputs.tolist()[0][len(inputs["input_ids"][0]):]
1030
+ response = tokenizer.decode(outputs)
1031
+ response = self.process_response(response)
1032
+ history = history + [(query, response)]
1033
+ return response, history
1034
+
1035
+ @torch.inference_mode()
1036
+ def stream_chat(self, tokenizer, query: str, history: List[Tuple[str, str]] = None, past_key_values=None,
1037
+ max_length: int = 8192, do_sample=True, top_p=0.8, temperature=0.8, logits_processor=None,
1038
+ return_past_key_values=False, **kwargs):
1039
+ if history is None:
1040
+ history = []
1041
+ if logits_processor is None:
1042
+ logits_processor = LogitsProcessorList()
1043
+ logits_processor.append(InvalidScoreLogitsProcessor())
1044
+ gen_kwargs = {"max_length": max_length, "do_sample": do_sample, "top_p": top_p,
1045
+ "temperature": temperature, "logits_processor": logits_processor, **kwargs}
1046
+ if past_key_values is None and not return_past_key_values:
1047
+ inputs = self.build_inputs(tokenizer, query, history=history)
1048
+ else:
1049
+ inputs = self.build_stream_inputs(tokenizer, query, history=history)
1050
+ if past_key_values is not None:
1051
+ past_length = past_key_values[0][0].shape[0]
1052
+ if self.transformer.pre_seq_len is not None:
1053
+ past_length -= self.transformer.pre_seq_len
1054
+ inputs.position_ids += past_length
1055
+ attention_mask = inputs.attention_mask
1056
+ attention_mask = torch.cat((attention_mask.new_ones(1, past_length), attention_mask), dim=1)
1057
+ inputs['attention_mask'] = attention_mask
1058
+ for outputs in self.stream_generate(**inputs, past_key_values=past_key_values,
1059
+ return_past_key_values=return_past_key_values, **gen_kwargs):
1060
+ if return_past_key_values:
1061
+ outputs, past_key_values = outputs
1062
+ outputs = outputs.tolist()[0][len(inputs["input_ids"][0]):]
1063
+ response = tokenizer.decode(outputs)
1064
+ if response and response[-1] != "�":
1065
+ response = self.process_response(response)
1066
+ new_history = history + [(query, response)]
1067
+ if return_past_key_values:
1068
+ yield response, new_history, past_key_values
1069
+ else:
1070
+ yield response, new_history
1071
+
1072
+ @torch.inference_mode()
1073
+ def stream_generate(
1074
+ self,
1075
+ input_ids,
1076
+ generation_config: Optional[GenerationConfig] = None,
1077
+ logits_processor: Optional[LogitsProcessorList] = None,
1078
+ stopping_criteria: Optional[StoppingCriteriaList] = None,
1079
+ prefix_allowed_tokens_fn: Optional[Callable[[int, torch.Tensor], List[int]]] = None,
1080
+ return_past_key_values=False,
1081
+ **kwargs,
1082
+ ):
1083
+ batch_size, input_ids_seq_length = input_ids.shape[0], input_ids.shape[-1]
1084
+
1085
+ if generation_config is None:
1086
+ generation_config = self.generation_config
1087
+ generation_config = copy.deepcopy(generation_config)
1088
+ model_kwargs = generation_config.update(**kwargs)
1089
+ bos_token_id, eos_token_id = generation_config.bos_token_id, generation_config.eos_token_id
1090
+
1091
+ if isinstance(eos_token_id, int):
1092
+ eos_token_id = [eos_token_id]
1093
+
1094
+ has_default_max_length = kwargs.get("max_length") is None and generation_config.max_length is not None
1095
+ if has_default_max_length and generation_config.max_new_tokens is None:
1096
+ warnings.warn(
1097
+ f"Using `max_length`'s default ({generation_config.max_length}) to control the generation length. "
1098
+ "This behaviour is deprecated and will be removed from the config in v5 of Transformers -- we"
1099
+ " recommend using `max_new_tokens` to control the maximum length of the generation.",
1100
+ UserWarning,
1101
+ )
1102
+ elif generation_config.max_new_tokens is not None:
1103
+ generation_config.max_length = generation_config.max_new_tokens + input_ids_seq_length
1104
+ if not has_default_max_length:
1105
+ logger.warn(
1106
+ f"Both `max_new_tokens` (={generation_config.max_new_tokens}) and `max_length`(="
1107
+ f"{generation_config.max_length}) seem to have been set. `max_new_tokens` will take precedence. "
1108
+ "Please refer to the documentation for more information. "
1109
+ "(https://huggingface.co/docs/transformers/main/en/main_classes/text_generation)",
1110
+ UserWarning,
1111
+ )
1112
+
1113
+ if input_ids_seq_length >= generation_config.max_length:
1114
+ input_ids_string = "decoder_input_ids" if self.config.is_encoder_decoder else "input_ids"
1115
+ logger.warning(
1116
+ f"Input length of {input_ids_string} is {input_ids_seq_length}, but `max_length` is set to"
1117
+ f" {generation_config.max_length}. This can lead to unexpected behavior. You should consider"
1118
+ " increasing `max_new_tokens`."
1119
+ )
1120
+
1121
+ # 2. Set generation parameters if not already defined
1122
+ logits_processor = logits_processor if logits_processor is not None else LogitsProcessorList()
1123
+ stopping_criteria = stopping_criteria if stopping_criteria is not None else StoppingCriteriaList()
1124
+
1125
+ logits_processor = self._get_logits_processor(
1126
+ generation_config=generation_config,
1127
+ input_ids_seq_length=input_ids_seq_length,
1128
+ encoder_input_ids=input_ids,
1129
+ prefix_allowed_tokens_fn=prefix_allowed_tokens_fn,
1130
+ logits_processor=logits_processor,
1131
+ )
1132
+
1133
+ stopping_criteria = self._get_stopping_criteria(
1134
+ generation_config=generation_config, stopping_criteria=stopping_criteria
1135
+ )
1136
+ logits_warper = self._get_logits_warper(generation_config)
1137
+
1138
+ unfinished_sequences = input_ids.new(input_ids.shape[0]).fill_(1)
1139
+ scores = None
1140
+ while True:
1141
+ model_inputs = self.prepare_inputs_for_generation(input_ids, **model_kwargs)
1142
+ # forward pass to get next token
1143
+ outputs = self(
1144
+ **model_inputs,
1145
+ return_dict=True,
1146
+ output_attentions=False,
1147
+ output_hidden_states=False,
1148
+ )
1149
+
1150
+ next_token_logits = outputs.logits[:, -1, :]
1151
+
1152
+ # pre-process distribution
1153
+ next_token_scores = logits_processor(input_ids, next_token_logits)
1154
+ next_token_scores = logits_warper(input_ids, next_token_scores)
1155
+
1156
+ # sample
1157
+ probs = nn.functional.softmax(next_token_scores, dim=-1)
1158
+ if generation_config.do_sample:
1159
+ next_tokens = torch.multinomial(probs, num_samples=1).squeeze(1)
1160
+ else:
1161
+ next_tokens = torch.argmax(probs, dim=-1)
1162
+
1163
+ # update generated ids, model inputs, and length for next step
1164
+ input_ids = torch.cat([input_ids, next_tokens[:, None]], dim=-1)
1165
+ model_kwargs = self._update_model_kwargs_for_generation(
1166
+ outputs, model_kwargs, is_encoder_decoder=self.config.is_encoder_decoder
1167
+ )
1168
+ unfinished_sequences = unfinished_sequences.mul((sum(next_tokens != i for i in eos_token_id)).long())
1169
+ if return_past_key_values:
1170
+ yield input_ids, outputs.past_key_values
1171
+ else:
1172
+ yield input_ids
1173
+ # stop when each sentence is finished, or if we exceed the maximum length
1174
+ if unfinished_sequences.max() == 0 or stopping_criteria(input_ids, scores):
1175
+ break
1176
+
1177
+ def quantize(self, bits: int, empty_init=False, device=None, **kwargs):
1178
+ if bits == 0:
1179
+ return
1180
+
1181
+ from .quantization import quantize
1182
+
1183
+ if self.quantized:
1184
+ logger.info("Already quantized.")
1185
+ return self
1186
+
1187
+ self.quantized = True
1188
+
1189
+ self.config.quantization_bit = bits
1190
+
1191
+ self.transformer.encoder = quantize(self.transformer.encoder, bits, empty_init=empty_init, device=device,
1192
+ **kwargs)
1193
+ return self
pytorch_model.bin ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:5c6a4e2eab934050f613b5ff8da4c26d3b1dfda750e423f72d008a0e2dc30915
3
+ size 3923712810
quantization.py ADDED
@@ -0,0 +1,188 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from torch.nn import Linear
2
+ from torch.nn.parameter import Parameter
3
+
4
+ import bz2
5
+ import torch
6
+ import base64
7
+ import ctypes
8
+ from transformers.utils import logging
9
+
10
+ from typing import List
11
+ from functools import partial
12
+
13
+ logger = logging.get_logger(__name__)
14
+
15
+ try:
16
+ from cpm_kernels.kernels.base import LazyKernelCModule, KernelFunction, round_up
17
+
18
+ class Kernel:
19
+ def __init__(self, code: bytes, function_names: List[str]):
20
+ self.code = code
21
+ self._function_names = function_names
22
+ self._cmodule = LazyKernelCModule(self.code)
23
+
24
+ for name in self._function_names:
25
+ setattr(self, name, KernelFunction(self._cmodule, name))
26
+
27
+ quantization_code = "$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"
28
+
29
+ kernels = Kernel(
30
+ bz2.decompress(base64.b64decode(quantization_code)),
31
+ [
32
+ "int4WeightCompression",
33
+ "int4WeightExtractionFloat",
34
+ "int4WeightExtractionHalf",
35
+ "int8WeightExtractionFloat",
36
+ "int8WeightExtractionHalf",
37
+ ],
38
+ )
39
+ except Exception as exception:
40
+ kernels = None
41
+ logger.warning("Failed to load cpm_kernels:" + str(exception))
42
+
43
+
44
+ class W8A16Linear(torch.autograd.Function):
45
+ @staticmethod
46
+ def forward(ctx, inp: torch.Tensor, quant_w: torch.Tensor, scale_w: torch.Tensor, weight_bit_width):
47
+ ctx.inp_shape = inp.size()
48
+ ctx.weight_bit_width = weight_bit_width
49
+ out_features = quant_w.size(0)
50
+ inp = inp.contiguous().view(-1, inp.size(-1))
51
+ weight = extract_weight_to_half(quant_w, scale_w, weight_bit_width)
52
+ ctx.weight_shape = weight.size()
53
+ output = inp.mm(weight.t())
54
+ ctx.save_for_backward(inp, quant_w, scale_w)
55
+ return output.view(*(ctx.inp_shape[:-1] + (out_features,)))
56
+
57
+ @staticmethod
58
+ def backward(ctx, grad_output: torch.Tensor):
59
+ inp, quant_w, scale_w = ctx.saved_tensors
60
+ weight = extract_weight_to_half(quant_w, scale_w, ctx.weight_bit_width)
61
+ grad_output = grad_output.contiguous().view(-1, weight.size(0))
62
+ grad_input = grad_output.mm(weight)
63
+ grad_weight = grad_output.t().mm(inp)
64
+ return grad_input.view(ctx.inp_shape), grad_weight.view(ctx.weight_shape), None, None
65
+
66
+
67
+ def compress_int4_weight(weight: torch.Tensor): # (n, m)
68
+ with torch.cuda.device(weight.device):
69
+ n, m = weight.size(0), weight.size(1)
70
+ assert m % 2 == 0
71
+ m = m // 2
72
+ out = torch.empty(n, m, dtype=torch.int8, device="cuda")
73
+ stream = torch.cuda.current_stream()
74
+
75
+ gridDim = (n, 1, 1)
76
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
77
+
78
+ kernels.int4WeightCompression(
79
+ gridDim,
80
+ blockDim,
81
+ 0,
82
+ stream,
83
+ [ctypes.c_void_p(weight.data_ptr()), ctypes.c_void_p(out.data_ptr()), ctypes.c_int32(n), ctypes.c_int32(m)],
84
+ )
85
+ return out
86
+
87
+
88
+ def extract_weight_to_half(weight: torch.Tensor, scale_list: torch.Tensor, source_bit_width: int):
89
+ assert scale_list.dtype in [torch.half, torch.bfloat16]
90
+ assert weight.dtype in [torch.int8]
91
+ if source_bit_width == 8:
92
+ return weight.to(scale_list.dtype) * scale_list[:, None]
93
+ elif source_bit_width == 4:
94
+ func = (
95
+ kernels.int4WeightExtractionHalf if scale_list.dtype == torch.half else kernels.int4WeightExtractionBFloat16
96
+ )
97
+ else:
98
+ assert False, "Unsupported bit-width"
99
+
100
+ with torch.cuda.device(weight.device):
101
+ n, m = weight.size(0), weight.size(1)
102
+ out = torch.empty(n, m * (8 // source_bit_width), dtype=scale_list.dtype, device="cuda")
103
+ stream = torch.cuda.current_stream()
104
+
105
+ gridDim = (n, 1, 1)
106
+ blockDim = (min(round_up(m, 32), 1024), 1, 1)
107
+
108
+ func(
109
+ gridDim,
110
+ blockDim,
111
+ 0,
112
+ stream,
113
+ [
114
+ ctypes.c_void_p(weight.data_ptr()),
115
+ ctypes.c_void_p(scale_list.data_ptr()),
116
+ ctypes.c_void_p(out.data_ptr()),
117
+ ctypes.c_int32(n),
118
+ ctypes.c_int32(m),
119
+ ],
120
+ )
121
+ return out
122
+
123
+
124
+ class QuantizedLinear(torch.nn.Module):
125
+ def __init__(self, weight_bit_width: int, weight, bias=None, device="cpu", dtype=None, empty_init=False, *args,
126
+ **kwargs):
127
+ super().__init__()
128
+ self.weight_bit_width = weight_bit_width
129
+
130
+ shape = weight.shape
131
+
132
+ if weight is None or empty_init:
133
+ self.weight = torch.empty(shape[0], shape[1] * weight_bit_width // 8, dtype=torch.int8, device=device)
134
+ self.weight_scale = torch.empty(shape[0], dtype=dtype, device=device)
135
+ else:
136
+ self.weight_scale = weight.abs().max(dim=-1).values / ((2 ** (weight_bit_width - 1)) - 1)
137
+ self.weight = torch.round(weight / self.weight_scale[:, None]).to(torch.int8)
138
+ if weight_bit_width == 4:
139
+ self.weight = compress_int4_weight(self.weight)
140
+
141
+ self.weight = Parameter(self.weight.to(device), requires_grad=False)
142
+ self.weight_scale = Parameter(self.weight_scale.to(device), requires_grad=False)
143
+ self.bias = Parameter(bias.to(device), requires_grad=False) if bias is not None else None
144
+
145
+ def forward(self, input):
146
+ output = W8A16Linear.apply(input, self.weight, self.weight_scale, self.weight_bit_width)
147
+ if self.bias is not None:
148
+ output = output + self.bias
149
+ return output
150
+
151
+
152
+ def quantize(model, weight_bit_width, empty_init=False, device=None):
153
+ """Replace fp16 linear with quantized linear"""
154
+ for layer in model.layers:
155
+ layer.self_attention.query_key_value = QuantizedLinear(
156
+ weight_bit_width=weight_bit_width,
157
+ weight=layer.self_attention.query_key_value.weight.to(torch.cuda.current_device()),
158
+ bias=layer.self_attention.query_key_value.bias,
159
+ dtype=layer.self_attention.query_key_value.weight.dtype,
160
+ device=layer.self_attention.query_key_value.weight.device if device is None else device,
161
+ empty_init=empty_init
162
+ )
163
+ layer.self_attention.dense = QuantizedLinear(
164
+ weight_bit_width=weight_bit_width,
165
+ weight=layer.self_attention.dense.weight.to(torch.cuda.current_device()),
166
+ bias=layer.self_attention.dense.bias,
167
+ dtype=layer.self_attention.dense.weight.dtype,
168
+ device=layer.self_attention.dense.weight.device if device is None else device,
169
+ empty_init=empty_init
170
+ )
171
+ layer.mlp.dense_h_to_4h = QuantizedLinear(
172
+ weight_bit_width=weight_bit_width,
173
+ weight=layer.mlp.dense_h_to_4h.weight.to(torch.cuda.current_device()),
174
+ bias=layer.mlp.dense_h_to_4h.bias,
175
+ dtype=layer.mlp.dense_h_to_4h.weight.dtype,
176
+ device=layer.mlp.dense_h_to_4h.weight.device if device is None else device,
177
+ empty_init=empty_init
178
+ )
179
+ layer.mlp.dense_4h_to_h = QuantizedLinear(
180
+ weight_bit_width=weight_bit_width,
181
+ weight=layer.mlp.dense_4h_to_h.weight.to(torch.cuda.current_device()),
182
+ bias=layer.mlp.dense_4h_to_h.bias,
183
+ dtype=layer.mlp.dense_4h_to_h.weight.dtype,
184
+ device=layer.mlp.dense_4h_to_h.weight.device if device is None else device,
185
+ empty_init=empty_init
186
+ )
187
+
188
+ return model
resources/codegeex_logo.png ADDED
resources/join_wechat.png ADDED
save_model.py ADDED
@@ -0,0 +1,4 @@
 
 
 
 
 
1
+ from transformers import AutoModel
2
+
3
+ model = AutoModel.from_pretrained("/mnt/vepfs/qinkai/release/codegeex2-6b/", trust_remote_code=True).cuda()
4
+ model.save_pretrained("./", max_shard_size="2000MB")
tokenization_chatglm.py ADDED
@@ -0,0 +1,257 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import os
2
+ import torch
3
+ from typing import List, Optional, Union, Dict
4
+ from sentencepiece import SentencePieceProcessor
5
+ from transformers import PreTrainedTokenizer
6
+ from transformers.utils import logging, PaddingStrategy
7
+ from transformers.tokenization_utils_base import EncodedInput, BatchEncoding
8
+
9
+
10
+ class SPTokenizer:
11
+ def __init__(self, model_path: str):
12
+ # reload tokenizer
13
+ assert os.path.isfile(model_path), model_path
14
+ self.sp_model = SentencePieceProcessor(model_file=model_path)
15
+
16
+ # BOS / EOS token IDs
17
+ self.n_words: int = self.sp_model.vocab_size()
18
+ self.bos_id: int = self.sp_model.bos_id()
19
+ self.eos_id: int = self.sp_model.eos_id()
20
+ self.pad_id: int = self.sp_model.unk_id()
21
+ assert self.sp_model.vocab_size() == self.sp_model.get_piece_size()
22
+
23
+ special_tokens = ["[MASK]", "[gMASK]", "[sMASK]", "sop", "eop"]
24
+ self.special_tokens = {}
25
+ self.index_special_tokens = {}
26
+ for token in special_tokens:
27
+ self.special_tokens[token] = self.n_words
28
+ self.index_special_tokens[self.n_words] = token
29
+ self.n_words += 1
30
+
31
+ def tokenize(self, s: str):
32
+ return self.sp_model.EncodeAsPieces(s)
33
+
34
+ def encode(self, s: str, bos: bool = False, eos: bool = False) -> List[int]:
35
+ assert type(s) is str
36
+ t = self.sp_model.encode(s)
37
+ if bos:
38
+ t = [self.bos_id] + t
39
+ if eos:
40
+ t = t + [self.eos_id]
41
+ return t
42
+
43
+ def decode(self, t: List[int]) -> str:
44
+ return self.sp_model.decode(t)
45
+
46
+ def decode_tokens(self, tokens: List[str]) -> str:
47
+ text = self.sp_model.DecodePieces(tokens)
48
+ return text
49
+
50
+ def convert_token_to_id(self, token):
51
+ """ Converts a token (str) in an id using the vocab. """
52
+ if token in self.special_tokens:
53
+ return self.special_tokens[token]
54
+ return self.sp_model.PieceToId(token)
55
+
56
+ def convert_id_to_token(self, index):
57
+ """Converts an index (integer) in a token (str) using the vocab."""
58
+ if index in self.index_special_tokens or index in [self.eos_id, self.bos_id, self.pad_id] or index < 0:
59
+ return ""
60
+ return self.sp_model.IdToPiece(index)
61
+
62
+
63
+ class ChatGLMTokenizer(PreTrainedTokenizer):
64
+ vocab_files_names = {"vocab_file": "tokenizer.model"}
65
+
66
+ model_input_names = ["input_ids", "attention_mask", "position_ids"]
67
+
68
+ def __init__(self, vocab_file, padding_side="left", clean_up_tokenization_spaces=False, **kwargs):
69
+ super().__init__(padding_side=padding_side, clean_up_tokenization_spaces=clean_up_tokenization_spaces, **kwargs)
70
+ self.name = "GLMTokenizer"
71
+
72
+ self.vocab_file = vocab_file
73
+ self.tokenizer = SPTokenizer(vocab_file)
74
+ self.special_tokens = {
75
+ "<bos>": self.tokenizer.bos_id,
76
+ "<eos>": self.tokenizer.eos_id,
77
+ "<pad>": self.tokenizer.pad_id
78
+ }
79
+
80
+ def get_command(self, token):
81
+ if token in self.special_tokens:
82
+ return self.special_tokens[token]
83
+ assert token in self.tokenizer.special_tokens, f"{token} is not a special token for {self.name}"
84
+ return self.tokenizer.special_tokens[token]
85
+
86
+ @property
87
+ def unk_token(self) -> str:
88
+ return "<unk>"
89
+
90
+ @property
91
+ def pad_token(self) -> str:
92
+ return "<unk>"
93
+
94
+ @property
95
+ def pad_token_id(self):
96
+ return self.get_command("<pad>")
97
+
98
+ @property
99
+ def eos_token(self) -> str:
100
+ return "</s>"
101
+
102
+ @property
103
+ def eos_token_id(self):
104
+ return self.get_command("<eos>")
105
+
106
+ @property
107
+ def vocab_size(self):
108
+ return self.tokenizer.n_words
109
+
110
+ def get_vocab(self):
111
+ """ Returns vocab as a dict """
112
+ vocab = {self._convert_id_to_token(i): i for i in range(self.vocab_size)}
113
+ vocab.update(self.added_tokens_encoder)
114
+ return vocab
115
+
116
+ def _tokenize(self, text, **kwargs):
117
+ return self.tokenizer.tokenize(text)
118
+
119
+ def _convert_token_to_id(self, token):
120
+ """ Converts a token (str) in an id using the vocab. """
121
+ return self.tokenizer.convert_token_to_id(token)
122
+
123
+ def _convert_id_to_token(self, index):
124
+ """Converts an index (integer) in a token (str) using the vocab."""
125
+ return self.tokenizer.convert_id_to_token(index)
126
+
127
+ def convert_tokens_to_string(self, tokens: List[str]) -> str:
128
+ return self.tokenizer.decode_tokens(tokens)
129
+
130
+ def save_vocabulary(self, save_directory, filename_prefix=None):
131
+ """
132
+ Save the vocabulary and special tokens file to a directory.
133
+
134
+ Args:
135
+ save_directory (`str`):
136
+ The directory in which to save the vocabulary.
137
+ filename_prefix (`str`, *optional*):
138
+ An optional prefix to add to the named of the saved files.
139
+
140
+ Returns:
141
+ `Tuple(str)`: Paths to the files saved.
142
+ """
143
+ if os.path.isdir(save_directory):
144
+ vocab_file = os.path.join(
145
+ save_directory, self.vocab_files_names["vocab_file"]
146
+ )
147
+ else:
148
+ vocab_file = save_directory
149
+
150
+ with open(self.vocab_file, 'rb') as fin:
151
+ proto_str = fin.read()
152
+
153
+ with open(vocab_file, "wb") as writer:
154
+ writer.write(proto_str)
155
+
156
+ return (vocab_file,)
157
+
158
+ def get_prefix_tokens(self):
159
+ prefix_tokens = [self.get_command("[gMASK]"), self.get_command("sop")]
160
+ return prefix_tokens
161
+
162
+ def build_prompt(self, query, history=None):
163
+ if history is None:
164
+ history = []
165
+ prompt = ""
166
+ for i, (old_query, response) in enumerate(history):
167
+ prompt += "[Round {}]\n\n问:{}\n\n答:{}\n\n".format(i + 1, old_query, response)
168
+ prompt += "[Round {}]\n\n问:{}\n\n答:".format(len(history) + 1, query)
169
+ return prompt
170
+
171
+ def build_inputs_with_special_tokens(
172
+ self, token_ids_0: List[int], token_ids_1: Optional[List[int]] = None
173
+ ) -> List[int]:
174
+ """
175
+ Build model inputs from a sequence or a pair of sequence for sequence classification tasks by concatenating and
176
+ adding special tokens. A BERT sequence has the following format:
177
+
178
+ - single sequence: `[CLS] X [SEP]`
179
+ - pair of sequences: `[CLS] A [SEP] B [SEP]`
180
+
181
+ Args:
182
+ token_ids_0 (`List[int]`):
183
+ List of IDs to which the special tokens will be added.
184
+ token_ids_1 (`List[int]`, *optional*):
185
+ Optional second list of IDs for sequence pairs.
186
+
187
+ Returns:
188
+ `List[int]`: List of [input IDs](../glossary#input-ids) with the appropriate special tokens.
189
+ """
190
+ prefix_tokens = self.get_prefix_tokens()
191
+ token_ids_0 = prefix_tokens + token_ids_0
192
+ if token_ids_1 is not None:
193
+ token_ids_0 = token_ids_0 + token_ids_1 + [self.get_command("<eos>")]
194
+ return token_ids_0
195
+
196
+ def _pad(
197
+ self,
198
+ encoded_inputs: Union[Dict[str, EncodedInput], BatchEncoding],
199
+ max_length: Optional[int] = None,
200
+ padding_strategy: PaddingStrategy = PaddingStrategy.DO_NOT_PAD,
201
+ pad_to_multiple_of: Optional[int] = None,
202
+ return_attention_mask: Optional[bool] = None,
203
+ ) -> dict:
204
+ """
205
+ Pad encoded inputs (on left/right and up to predefined length or max length in the batch)
206
+
207
+ Args:
208
+ encoded_inputs:
209
+ Dictionary of tokenized inputs (`List[int]`) or batch of tokenized inputs (`List[List[int]]`).
210
+ max_length: maximum length of the returned list and optionally padding length (see below).
211
+ Will truncate by taking into account the special tokens.
212
+ padding_strategy: PaddingStrategy to use for padding.
213
+
214
+ - PaddingStrategy.LONGEST Pad to the longest sequence in the batch
215
+ - PaddingStrategy.MAX_LENGTH: Pad to the max length (default)
216
+ - PaddingStrategy.DO_NOT_PAD: Do not pad
217
+ The tokenizer padding sides are defined in self.padding_side:
218
+
219
+ - 'left': pads on the left of the sequences
220
+ - 'right': pads on the right of the sequences
221
+ pad_to_multiple_of: (optional) Integer if set will pad the sequence to a multiple of the provided value.
222
+ This is especially useful to enable the use of Tensor Core on NVIDIA hardware with compute capability
223
+ `>= 7.5` (Volta).
224
+ return_attention_mask:
225
+ (optional) Set to False to avoid returning attention mask (default: set to model specifics)
226
+ """
227
+ # Load from model defaults
228
+ assert self.padding_side == "left"
229
+
230
+ required_input = encoded_inputs[self.model_input_names[0]]
231
+ seq_length = len(required_input)
232
+
233
+ if padding_strategy == PaddingStrategy.LONGEST:
234
+ max_length = len(required_input)
235
+
236
+ if max_length is not None and pad_to_multiple_of is not None and (max_length % pad_to_multiple_of != 0):
237
+ max_length = ((max_length // pad_to_multiple_of) + 1) * pad_to_multiple_of
238
+
239
+ needs_to_be_padded = padding_strategy != PaddingStrategy.DO_NOT_PAD and len(required_input) != max_length
240
+
241
+ # Initialize attention mask if not present.
242
+ if "attention_mask" not in encoded_inputs:
243
+ encoded_inputs["attention_mask"] = [1] * seq_length
244
+
245
+ if "position_ids" not in encoded_inputs:
246
+ encoded_inputs["position_ids"] = list(range(seq_length))
247
+
248
+ if needs_to_be_padded:
249
+ difference = max_length - len(required_input)
250
+
251
+ if "attention_mask" in encoded_inputs:
252
+ encoded_inputs["attention_mask"] = [0] * difference + encoded_inputs["attention_mask"]
253
+ if "position_ids" in encoded_inputs:
254
+ encoded_inputs["position_ids"] = [0] * difference + encoded_inputs["position_ids"]
255
+ encoded_inputs[self.model_input_names[0]] = [self.pad_token_id] * difference + required_input
256
+
257
+ return encoded_inputs
tokenizer.model ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:57d9fdbdfaa7cd8c0a3a38d7e8de2e6c31374b5dbc4dc4568d85585fe745812f
3
+ size 1018370
tokenizer_config.json ADDED
@@ -0,0 +1,12 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "name_or_path": "THUDM/codegeex2-6b",
3
+ "remove_space": false,
4
+ "do_lower_case": false,
5
+ "tokenizer_class": "ChatGLMTokenizer",
6
+ "auto_map": {
7
+ "AutoTokenizer": [
8
+ "tokenization_chatglm.ChatGLMTokenizer",
9
+ null
10
+ ]
11
+ }
12
+ }