x-decoder-video / utils /model_loading.py
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# --------------------------------------------------------
# X-Decoder -- Generalized Decoding for Pixel, Image, and Language
# Copyright (c) 2022 Microsoft
# Licensed under The MIT License [see LICENSE for details]
# Written by Xueyan Zou (xueyan@cs.wisc.edu)
# --------------------------------------------------------
import logging
from utils.distributed import is_main_process
logger = logging.getLogger(__name__)
def align_and_update_state_dicts(model_state_dict, ckpt_state_dict):
model_keys = sorted(model_state_dict.keys())
ckpt_keys = sorted(ckpt_state_dict.keys())
result_dicts = {}
matched_log = []
unmatched_log = []
unloaded_log = []
for model_key in model_keys:
model_weight = model_state_dict[model_key]
if model_key in ckpt_keys:
ckpt_weight = ckpt_state_dict[model_key]
if model_weight.shape == ckpt_weight.shape:
result_dicts[model_key] = ckpt_weight
ckpt_keys.pop(ckpt_keys.index(model_key))
matched_log.append("Loaded {}, Model Shape: {} <-> Ckpt Shape: {}".format(model_key, model_weight.shape, ckpt_weight.shape))
else:
unmatched_log.append("*UNMATCHED* {}, Model Shape: {} <-> Ckpt Shape: {}".format(model_key, model_weight.shape, ckpt_weight.shape))
else:
unloaded_log.append("*UNLOADED* {}, Model Shape: {}".format(model_key, model_weight.shape))
if is_main_process():
for info in matched_log:
logger.info(info)
for info in unloaded_log:
logger.warning(info)
for key in ckpt_keys:
logger.warning("$UNUSED$ {}, Ckpt Shape: {}".format(key, ckpt_state_dict[key].shape))
for info in unmatched_log:
logger.warning(info)
return result_dicts