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1import torch
2from transformers import AutoTokenizer, AutoModelForCausalLM, BitsAndBytesConfig, GemmaTokenizer
3
4model_id = "alibidaran/Gemma2_Virtual_doctor"
5bnb_config = BitsAndBytesConfig(
6 load_in_4bit=True,
7 bnb_4bit_quant_type="nf4",
8 bnb_4bit_compute_dtype=torch.bfloat16
9)
10
11
12tokenizer = AutoTokenizer.from_pretrained(model_id)
13model = AutoModelForCausalLM.from_pretrained(model_id, quantization_config=bnb_config, device_map={"":0})
14
15prompt = " Hi doctor, I feel a pain on my ankle, I walk hardly and with pain what do you recommend me?"
16text=f"<s> ###Human: {prompt} ###Asistant: "
17inputs=tokenizer(text,return_tensors='pt').to('cuda')
18with torch.no_grad():
19 outputs=model.generate(**inputs,max_new_tokens=200,do_sample=True,top_p=0.92,top_k=10,temperature=0.7)
20print(tokenizer.decode(outputs[0], skip_special_tokens=True))
21 per_device_train_batch_size=1,
gradient_accumulation_steps=8,
warmup_steps=2,
#max_steps=200,
num_train_epochs=1,
learning_rate=2e-4,
fp16=True,
logging_steps=100,
output_dir="outputs",
optim="paged_adamw_8bit",
save_steps=500,
ddp_find_unused_parameters=False // for training on multiple GPU