kaitchup/Llama-2-7b-hf-gptq-2bit

Llama 2 7B quantized in 2-bit with GPTQ.

from transformers import AutoModelForCausalLM, AutoTokenizer
from optimum.gptq import GPTQQuantizer
import torch
w = 2
model_path = meta-llama/Llama-2-7b-hf

tokenizer = AutoTokenizer.from_pretrained(model_path, use_fast=True)
model = AutoModelForCausalLM.from_pretrained(model_path, torch_dtype=torch.float16)
quantizer = GPTQQuantizer(bits=w, dataset="c4", model_seqlen = 4096)
quantized_model = quantizer.quantize_model(model, tokenizer)