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refactor quant models loader and add support of OPT

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This commit is contained in:
Ayanami Rei 2023-03-13 19:59:57 +03:00
parent 2c4699a7e9
commit 345b6dee8c
1 changed files with 9 additions and 17 deletions
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26
modules/quantized_LLaMA.py → modules/quant_loader.py
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@ -7,28 +7,20 @@ import torch
import modules.shared as shared
sys.path.insert(0, str(Path("repositories/GPTQ-for-LLaMa")))
from llama import load_quant
# 4-bit LLaMA
def load_quantized_LLaMA(model_name):
if shared.args.load_in_4bit:
bits = 4
def load_quant(model_name, model_type):
if model_type == 'llama':
from llama import load_quant
elif model_type == 'opt':
from opt import load_quant
else:
bits = shared.args.gptq_bits
print("Unknown pre-quantized model type specified. Only 'llama' and 'opt' are supported")
exit()
path_to_model = Path(f'models/{model_name}')
pt_model = ''
if path_to_model.name.lower().startswith('llama-7b'):
pt_model = f'llama-7b-{bits}bit.pt'
elif path_to_model.name.lower().startswith('llama-13b'):
pt_model = f'llama-13b-{bits}bit.pt'
elif path_to_model.name.lower().startswith('llama-30b'):
pt_model = f'llama-30b-{bits}bit.pt'
elif path_to_model.name.lower().startswith('llama-65b'):
pt_model = f'llama-65b-{bits}bit.pt'
else:
pt_model = f'{model_name}-{bits}bit.pt'
pt_model = f'{model_name}-{shared.args.gptq_bits}bit.pt'
# Try to find the .pt both in models/ and in the subfolder
pt_path = None
@ -40,7 +32,7 @@ def load_quantized_LLaMA(model_name):
print(f"Could not find {pt_model}, exiting...")
exit()
model = load_quant(path_to_model, str(pt_path), bits)
model = load_quant(path_to_model, str(pt_path), shared.args.gptq_bits)
# Multiple GPUs or GPU+CPU
if shared.args.gpu_memory: