QLoRA (4-bit + LoRA) fine-tune of
google/gemma-2-2b
on a legal/financial instruction (Q&A) dataset. This repo holds the
LoRA adapter.
1from peft import PeftModel
2from transformers import AutoModelForCausalLM, AutoTokenizer
3import torch
4
5base = AutoModelForCausalLM.from_pretrained(
6 "google/gemma-2-2b", torch_dtype=torch.bfloat16, device_map="auto")
7model = PeftModel.from_pretrained(base, "Sudhanshu1985/gemma-2-2b-qlora-Lawdataset")
8tok = AutoTokenizer.from_pretrained("Sudhanshu1985/gemma-2-2b-qlora-Lawdataset")
9
10msgs = [{"role": "user", "content": "Your question here"}]
11ids = tok.apply_chat_template(msgs, add_generation_prompt=True, return_tensors="pt").to(model.device)
12out = model.generate(ids, max_new_tokens=256)
13print(tok.decode(out[0][ids.shape[1]:], skip_special_tokens=True))