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--- |
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library_name: transformers |
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pipeline_tag: text-generation |
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inference: true |
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widget: |
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- text: Hello! |
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example_title: Hello world |
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group: Python |
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--- |
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This model is for debugging. It is randomly initialized using the config from [meta-llama/Meta-Llama-3.1-70B-Instruct](https://huggingface.co/meta-llama/Meta-Llama-3.1-70B-Instruct) but with smaller size. |
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Codes: |
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```python |
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import os |
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import torch |
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import transformers |
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from transformers import AutoConfig, AutoModelForCausalLM, AutoTokenizer, GenerationConfig, pipeline, set_seed |
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model_id = "meta-llama/Meta-Llama-3.1-70B-Instruct" |
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repo_id = "yujiepan/meta-llama-3.1-tiny-random" |
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save_path = f"/tmp/{repo_id}" |
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config = AutoConfig.from_pretrained(model_id, trust_remote_code=True) |
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config._name_or_path = model_id |
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config.hidden_size = 8 |
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config.intermediate_size = 16 |
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config.num_attention_heads = 2 |
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config.num_key_value_heads = 1 |
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config.num_hidden_layers = 2 |
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config.torch_dtype = "bfloat16" |
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tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True) |
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tokenizer.save_pretrained(save_path) |
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model = AutoModelForCausalLM.from_config( |
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config, torch_dtype=torch.bfloat16, attn_implementation="sdpa", trust_remote_code=True |
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) |
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model.generation_config = GenerationConfig.from_pretrained(model_id, trust_remote_code=True) |
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set_seed(42) |
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with torch.no_grad(): |
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for _, p in sorted(model.named_parameters()): |
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torch.nn.init.uniform_(p, -0.2, 0.2) |
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model.save_pretrained(save_path) |
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pipe = pipeline("text-generation", model=save_path, device="cuda", trust_remote_code=True, max_new_tokens=20) |
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print(pipe("Hello World!")) |
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``` |
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