def setup_teacher_student_models(self, teacher_config, student_config):
unwrapped_org_teacher_model =\
self.org_teacher_model.module if check_if_wrapped(self.org_teacher_model) else self.org_teacher_model
unwrapped_org_student_model = \
self.org_student_model.module if check_if_wrapped(self.org_student_model) else self.org_student_model
self.target_teacher_pairs.clear()
self.target_student_pairs.clear()
teacher_ref_model = unwrapped_org_teacher_model
student_ref_model = unwrapped_org_student_model
if len(teacher_config) > 0 or (len(teacher_config) == 0
and self.teacher_model is None):
model_type = 'original'
special_teacher_model = \
build_special_module(teacher_config, teacher_model=unwrapped_org_teacher_model, device=self.device,
device_ids=self.device_ids, distributed=self.distributed)
if special_teacher_model is not None:
teacher_ref_model = special_teacher_model
model_type = type(teacher_ref_model).__name__
self.teacher_model = redesign_model(teacher_ref_model,
teacher_config, 'teacher',
model_type)
if len(student_config) > 0 or (len(student_config) == 0
and self.student_model is None):
model_type = 'original'
special_student_model = \
build_special_module(student_config, student_model=unwrapped_org_student_model, device=self.device,
device_ids=self.device_ids, distributed=self.distributed)
if special_student_model is not None:
student_ref_model = special_student_model
model_type = type(student_ref_model).__name__
self.student_model = redesign_model(student_ref_model,
student_config, 'student',
model_type)
self.teacher_any_frozen = \
len(teacher_config.get('frozen_modules', list())) > 0 or not teacher_config.get('requires_grad', True)
self.student_any_frozen = \
len(student_config.get('frozen_modules', list())) > 0 or not student_config.get('requires_grad', True)
self.target_teacher_pairs.extend(
set_hooks(self.teacher_model, teacher_ref_model, teacher_config,
self.teacher_io_dict))
self.target_student_pairs.extend(
set_hooks(self.student_model, student_ref_model, student_config,
self.student_io_dict))
self.teacher_forward_proc = get_forward_proc_func(
teacher_config.get('forward_proc', None))
self.student_forward_proc = get_forward_proc_func(
student_config.get('forward_proc', None))
def __init__(self, teacher_model, minimal, input_module_path,
paraphraser_params, paraphraser_ckpt, uses_decoder, device,
device_ids, distributed, **kwargs):
super().__init__()
if minimal is None:
minimal = dict()
special_teacher_model = build_special_module(
minimal, teacher_model=teacher_model)
model_type = 'original'
teacher_ref_model = teacher_model
if special_teacher_model is not None:
teacher_ref_model = special_teacher_model
model_type = type(teacher_ref_model).__name__
self.teacher_model = redesign_model(teacher_ref_model, minimal,
'teacher', model_type)
self.input_module_path = input_module_path
self.paraphraser = \
wrap_if_distributed(Paraphraser4FactorTransfer(**paraphraser_params), device, device_ids, distributed)
self.ckpt_file_path = paraphraser_ckpt
if os.path.isfile(self.ckpt_file_path):
map_location = {
'cuda:0': 'cuda:{}'.format(device_ids[0])
} if distributed else device
load_module_ckpt(self.paraphraser, map_location,
self.ckpt_file_path)
self.uses_decoder = uses_decoder
def __init__(self, head_rcnn, **kwargs):
super().__init__()
tmp_ref_model = kwargs.get('teacher_model', None)
ref_model = kwargs.get('student_model', tmp_ref_model)
if ref_model is None:
raise ValueError('Either student_model or teacher_model has to be given.')
self.transform = ref_model.transform
self.seq = redesign_model(ref_model, head_rcnn, 'R-CNN', 'HeadRCNN')