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LLM-from-scratch/test_huggingface_transformer.py
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hanluzhi0429@gmail.com 7a5789c503 test huggingface transformers
2025-04-24 22:19:55 +08:00

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Python

import transformers
from transformers import AutoModelForCausalLM, AutoTokenizer
from transformers import LlamaForCausalLM
tokenizer = AutoTokenizer.from_pretrained("Qwen/Qwen2-0.5B-Instruct")
from transformers import LlamaConfig
config = LlamaConfig(
vocab_size=32000,
hidden_size=4096,
num_attention_heads=32,
num_hidden_layers=32,
intermediate_size=11008,
)
model = LlamaForCausalLM(config)
model = transformers.Qwen2ForCausalLM(config)
model_size = sum(t.numel() for t in model.parameters())
print(f"Model Size: {model_size/1000**2:.1f}M parameters")