"""
-------------------------------------------------------------------------
This file is part of the MindStudio project.
Copyright (c) 2025 Huawei Technologies Co.,Ltd.
MindStudio is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:
http://license.coscl.org.cn/MulanPSL2
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
-------------------------------------------------------------------------
"""
import os
import argparse
import sys
from qwen_vl_utils import process_vision_info
from transformers import Qwen2VLForConditionalGeneration, AutoProcessor, AutoConfig
current_directory = os.path.dirname(os.path.abspath(__file__))
parent_directory = os.path.abspath(os.path.join(current_directory, "..", "..", ".."))
sys.path.append(parent_directory)
from example.common.utils import cmd_bool
from example.common.security.path import get_valid_read_path, get_write_directory
from example.common.vlm_utils import VlmSafeGenerator, ModifyConfigParams, CopyTokenizerParams
from msmodelslim.pytorch.llm_ptq.anti_outlier import AntiOutlierConfig, AntiOutlier
from msmodelslim.pytorch.llm_ptq.llm_ptq_tools import Calibrator, QuantConfig
CPU = "cpu"
NPU = "npu"
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--model_path', type=str, default='')
parser.add_argument('--calib_images', type=str, default='../calibImages')
parser.add_argument('--save_directory', type=str, default='')
parser.add_argument('--part_file_size', type=int, default=None)
parser.add_argument('--w_bit', type=int, default=8)
parser.add_argument('--a_bit', type=int, default=8)
parser.add_argument('--device_type', type=str, choices=[CPU, NPU], default=NPU)
parser.add_argument('--trust_remote_code', type=cmd_bool, default=False)
parser.add_argument('--anti_method', type=str, choices=['m2', 'm4'], default='m2')
parser.add_argument('--mindie_format', action="store_true", help="Compatible with quantization formats \
supported by MindIE")
args = parser.parse_args()
args.model_path = get_valid_read_path(args.model_path, is_dir=True, check_user_stat=True)
args.calib_images = get_valid_read_path(args.calib_images, is_dir=True, check_user_stat=True)
args.save_directory = get_write_directory(args.save_directory, write_mode=0o750)
device_map = CPU if args.device_type == CPU else "auto"
model = Qwen2VLForConditionalGeneration.from_pretrained(args.model_path,
device_map=device_map,
trust_remote_code=args.trust_remote_code,
torch_dtype="auto",
local_files_only=True).eval()
config = AutoConfig.from_pretrained(args.model_path,
trust_remote_code=args.trust_remote_code,
local_files_only=True)
processor = AutoProcessor.from_pretrained(args.model_path, local_files_only=True)
disable_names = []
vision_name = ['visual.merger.mlp.0', 'visual.merger.mlp.2']
llm_name = []
for i in range(config.vision_config.depth):
vision_name.extend([f'visual.blocks.{i}.mlp.fc2'])
for i in range(config.num_hidden_layers):
llm_name.extend([f'model.layers.{i}.mlp.down_proj'])
disable_names.extend(vision_name)
disable_names.extend(llm_name)
images_list = os.listdir(args.calib_images)
calib_data = []
messageList = []
for i in images_list:
image_path = os.path.join(args.calib_images, i)
image_path = get_valid_read_path(image_path)
messages = [
{
"role": "user",
"content": [
{
"type": "image",
"image": image_path,
},
{
"type": "text",
"text": "Please describe this picture in detail."
},
]
}
]
text = processor.apply_chat_template(
messages, tokenize=False, add_generation_prompt=True
)
image_inputs, video_inputs = process_vision_info(messages)
inputs = processor(
text=[text],
images=image_inputs,
videos=video_inputs,
padding=True,
return_tensors='pt'
).to(args.device_type)
calib_data.append([inputs['input_ids'], inputs['attention_mask'],
None, None, None, None, None, None, None, None,
inputs['pixel_values'], None, inputs['image_grid_thw'], None])
anti_config = AntiOutlierConfig(
w_bit=args.w_bit,
a_bit=args.a_bit,
anti_method=args.anti_method,
dev_type=args.device_type,
dev_id=model.device.index,
)
anti_outlier = AntiOutlier(model, calib_data=calib_data, cfg=anti_config)
anti_outlier.process()
quant_config = QuantConfig(
w_bit=args.w_bit,
a_bit=args.a_bit,
disable_names=disable_names,
dev_type=args.device_type,
dev_id=model.device.index,
act_method=2,
mm_tensor=False,
)
calibrator = Calibrator(model, quant_config, calib_data=calib_data, disable_level='L0')
calibrator.run()
save_type = "safe_tensor" if args.mindie_format else "ascendV1"
calibrator.save(args.save_directory, save_type=[save_type], part_file_size=args.part_file_size)
quant_type = quant_config.model_quant_type.lower()
checker = VlmSafeGenerator()
auto_config = checker.get_config_from_pretrained(args.model_path, trust_remote_code=args.trust_remote_code)
modify_params = ModifyConfigParams(
model_dir=args.model_path,
dest_dir=args.save_directory,
torch_dtype=auto_config.torch_dtype,
quantize_type=quant_type,
args=args,
quantize_config_parts=['vision_config']
)
checker.modify_config(modify_params)
copy_params = CopyTokenizerParams(
model_dir=args.model_path,
dest_dir=args.save_directory
)
checker.copy_tokenizer_files(copy_params)
