def run_predistill():
"""
run predistill
"""
cfg = phase1_cfg
context.set_context(mode=context.GRAPH_MODE, device_target=args_opt.device_target, device_id=args_opt.device_id)
context.set_context(reserve_class_name_in_scope=False)
load_teacher_checkpoint_path = args_opt.load_teacher_ckpt_path
load_student_checkpoint_path = args_opt.load_gd_ckpt_path
netwithloss = BertNetworkWithLoss_td(teacher_config=td_teacher_net_cfg, teacher_ckpt=load_teacher_checkpoint_path,
student_config=td_student_net_cfg, student_ckpt=load_student_checkpoint_path,
is_training=True, task_type='classification',
num_labels=args_opt.num_labels, is_predistill=True)
rank = 0
device_num = 1
dataset = create_tinybert_dataset('td', td_teacher_net_cfg.batch_size,
device_num, rank, args_opt.do_shuffle,
args_opt.train_data_dir, args_opt.schema_dir)
dataset_size = dataset.get_dataset_size()
print('td1 dataset size: ', dataset_size)
if args_opt.enable_data_sink == 'true':
repeat_count = args_opt.td_phase1_epoch_size * dataset.get_dataset_size() // args_opt.data_sink_steps
time_monitor_steps = args_opt.data_sink_steps
else:
repeat_count = args_opt.td_phase1_epoch_size
time_monitor_steps = dataset_size
optimizer_cfg = cfg.optimizer_cfg
lr_schedule = BertLearningRate(learning_rate=optimizer_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=optimizer_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size / 10),
decay_steps=int(dataset_size * args_opt.td_phase1_epoch_size),
power=optimizer_cfg.AdamWeightDecay.power)
params = netwithloss.trainable_params()
decay_params = list(filter(optimizer_cfg.AdamWeightDecay.decay_filter, params))
other_params = list(filter(lambda x: not cfg.AdamWeightDecay.decay_filter(x), params))
group_params = [{'params': decay_params, 'weight_decay': optimizer_cfg.AdamWeightDecay.weight_decay},
{'params': other_params, 'weight_decay': 0.0},
{'order_params': params}]
optimizer = AdamWeightDecay(group_params, learning_rate=lr_schedule, eps=optimizer_cfg.AdamWeightDecay.eps)
callback = [TimeMonitor(time_monitor_steps), LossCallBack(), ModelSaveCkpt(netwithloss.bert,
args_opt.save_ckpt_step,
args_opt.max_ckpt_num,
td_phase1_save_ckpt_dir)]
update_cell = DynamicLossScaleUpdateCell(loss_scale_value=cfg.loss_scale_value,
scale_factor=cfg.scale_factor,
scale_window=cfg.scale_window)
netwithgrads = BertEvaluationCell(netwithloss, optimizer=optimizer, scale_update_cell=update_cell)
model = Model(netwithgrads)
model.train(repeat_count, dataset, callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == 'true'),
sink_size=args_opt.data_sink_steps)
def run_general_distill():
"""
run general distill
"""
parser = argparse.ArgumentParser(description='tinybert general distill')
parser.add_argument(
'--device_target',
type=str,
default='Ascend',
choices=['Ascend', 'GPU'],
help='device where the code will be implemented. (Default: Ascend)')
parser.add_argument("--distribute",
type=str,
default="false",
help="Run distribute, default is false.")
parser.add_argument("--epoch_size",
type=int,
default="3",
help="Epoch size, default is 1.")
parser.add_argument("--device_id",
type=int,
default=0,
help="Device id, default is 0.")
parser.add_argument("--device_num",
type=int,
default=1,
help="Use device nums, default is 1.")
parser.add_argument("--save_ckpt_step",
type=int,
default=100,
help="Enable data sink, default is true.")
parser.add_argument("--max_ckpt_num",
type=int,
default=1,
help="Enable data sink, default is true.")
parser.add_argument("--do_shuffle",
type=str,
default="true",
help="Enable shuffle for dataset, default is true.")
parser.add_argument("--enable_data_sink",
type=str,
default="true",
help="Enable data sink, default is true.")
parser.add_argument("--data_sink_steps",
type=int,
default=1,
help="Sink steps for each epoch, default is 1.")
parser.add_argument("--save_ckpt_path",
type=str,
default="",
help="Save checkpoint path")
parser.add_argument("--load_teacher_ckpt_path",
type=str,
default="",
help="Load checkpoint file path")
parser.add_argument("--data_dir",
type=str,
default="",
help="Data path, it is better to use absolute path")
parser.add_argument("--schema_dir",
type=str,
default="",
help="Schema path, it is better to use absolute path")
args_opt = parser.parse_args()
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
device_id=args_opt.device_id)
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
device_id=args_opt.device_id)
context.set_context(reserve_class_name_in_scope=False)
context.set_context(variable_memory_max_size="30GB")
save_ckpt_dir = os.path.join(
args_opt.save_ckpt_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
if not os.path.exists(save_ckpt_dir):
os.makedirs(save_ckpt_dir)
if args_opt.distribute == "true":
D.init('hccl')
device_num = args_opt.device_num
rank = args_opt.device_id % device_num
context.reset_auto_parallel_context()
context.set_auto_parallel_context(
parallel_mode=ParallelMode.DATA_PARALLEL,
mirror_mean=True,
device_num=device_num)
else:
rank = 0
device_num = 1
netwithloss = BertNetworkWithLoss_gd(
teacher_config=bert_teacher_net_cfg,
teacher_ckpt=args_opt.load_teacher_ckpt_path,
student_config=bert_student_net_cfg,
is_training=True,
use_one_hot_embeddings=False)
dataset = create_tinybert_dataset('gd', bert_teacher_net_cfg.batch_size,
device_num, rank, args_opt.do_shuffle,
args_opt.data_dir, args_opt.schema_dir)
dataset_size = dataset.get_dataset_size()
print('dataset size: ', dataset_size)
if args_opt.enable_data_sink == "true":
repeat_count = args_opt.epoch_size * dataset.get_dataset_size(
) // args_opt.data_sink_steps
time_monitor_steps = args_opt.data_sink_steps
else:
repeat_count = args_opt.epoch_size
time_monitor_steps = dataset_size
lr_schedule = BertLearningRate(
learning_rate=common_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=common_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size * args_opt.epoch_size / 10),
decay_steps=int(dataset_size * args_opt.epoch_size),
power=common_cfg.AdamWeightDecay.power)
params = netwithloss.trainable_params()
decay_params = list(filter(common_cfg.AdamWeightDecay.decay_filter,
params))
other_params = list(
filter(lambda x: not cfg.AdamWeightDecay.decay_filter(x), params))
group_params = [{
'params': decay_params,
'weight_decay': common_cfg.AdamWeightDecay.weight_decay
}, {
'params': other_params,
'weight_decay': 0.0
}, {
'order_params': params
}]
optimizer = AdamWeightDecay(group_params,
learning_rate=lr_schedule,
eps=common_cfg.AdamWeightDecay.eps)
callback = [
TimeMonitor(time_monitor_steps),
LossCallBack(),
ModelSaveCkpt(netwithloss.bert, args_opt.save_ckpt_step,
args_opt.max_ckpt_num, save_ckpt_dir)
]
update_cell = DynamicLossScaleUpdateCell(
loss_scale_value=common_cfg.loss_scale_value,
scale_factor=common_cfg.scale_factor,
scale_window=common_cfg.scale_window)
netwithgrads = BertTrainWithLossScaleCell(netwithloss,
optimizer=optimizer,
scale_update_cell=update_cell)
model = Model(netwithgrads)
model.train(repeat_count,
dataset,
callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == "true"),
sink_size=args_opt.data_sink_steps)
def run_task_distill(ckpt_file):
"""
run task distill
"""
if ckpt_file == '':
raise ValueError("Student ckpt file should not be None")
cfg = phase2_cfg
load_teacher_checkpoint_path = args_opt.load_teacher_ckpt_path
load_student_checkpoint_path = ckpt_file
netwithloss = BertNetworkWithLoss_td(
teacher_config=td_teacher_net_cfg,
teacher_ckpt=load_teacher_checkpoint_path,
student_config=td_student_net_cfg,
student_ckpt=load_student_checkpoint_path,
is_training=True,
task_type=args_opt.task_type,
num_labels=task.num_labels,
is_predistill=False)
rank = 0
device_num = 1
train_dataset = create_tinybert_dataset('td',
cfg.batch_size,
device_num,
rank,
args_opt.do_shuffle,
args_opt.train_data_dir,
args_opt.schema_dir,
data_type=dataset_type)
dataset_size = train_dataset.get_dataset_size()
print('td2 train dataset size: ', dataset_size)
print('td2 train dataset repeatcount: ', train_dataset.get_repeat_count())
if args_opt.enable_data_sink == 'true':
repeat_count = args_opt.td_phase2_epoch_size * train_dataset.get_dataset_size(
) // args_opt.data_sink_steps
time_monitor_steps = args_opt.data_sink_steps
else:
repeat_count = args_opt.td_phase2_epoch_size
time_monitor_steps = dataset_size
optimizer_cfg = cfg.optimizer_cfg
lr_schedule = BertLearningRate(
learning_rate=optimizer_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=optimizer_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size * args_opt.td_phase2_epoch_size / 10),
decay_steps=int(dataset_size * args_opt.td_phase2_epoch_size),
power=optimizer_cfg.AdamWeightDecay.power)
params = netwithloss.trainable_params()
decay_params = list(
filter(optimizer_cfg.AdamWeightDecay.decay_filter, params))
other_params = list(
filter(lambda x: not optimizer_cfg.AdamWeightDecay.decay_filter(x),
params))
group_params = [{
'params': decay_params,
'weight_decay': optimizer_cfg.AdamWeightDecay.weight_decay
}, {
'params': other_params,
'weight_decay': 0.0
}, {
'order_params': params
}]
optimizer = AdamWeightDecay(group_params,
learning_rate=lr_schedule,
eps=optimizer_cfg.AdamWeightDecay.eps)
eval_dataset = create_tinybert_dataset('td',
eval_cfg.batch_size,
device_num,
rank,
args_opt.do_shuffle,
args_opt.eval_data_dir,
args_opt.schema_dir,
data_type=dataset_type)
print('td2 eval dataset size: ', eval_dataset.get_dataset_size())
if args_opt.do_eval.lower() == "true":
callback = [
TimeMonitor(time_monitor_steps),
LossCallBack(),
EvalCallBack(netwithloss.bert, eval_dataset)
]
else:
callback = [
TimeMonitor(time_monitor_steps),
LossCallBack(),
ModelSaveCkpt(netwithloss.bert, args_opt.save_ckpt_step,
args_opt.max_ckpt_num, td_phase2_save_ckpt_dir)
]
if enable_loss_scale:
update_cell = DynamicLossScaleUpdateCell(
loss_scale_value=cfg.loss_scale_value,
scale_factor=cfg.scale_factor,
scale_window=cfg.scale_window)
netwithgrads = BertEvaluationWithLossScaleCell(
netwithloss, optimizer=optimizer, scale_update_cell=update_cell)
else:
netwithgrads = BertEvaluationCell(netwithloss, optimizer=optimizer)
model = Model(netwithgrads)
model.train(repeat_count,
train_dataset,
callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == 'true'),
sink_size=args_opt.data_sink_steps)
def run_general_distill():
"""
run general distill
"""
parser = argparse.ArgumentParser(description='tinybert general distill')
parser.add_argument(
'--device_target',
type=str,
default='Ascend',
choices=['Ascend', 'GPU'],
help='device where the code will be implemented. (Default: Ascend)')
parser.add_argument("--distribute",
type=str,
default="false",
choices=["true", "false"],
help="Run distribute, default is false.")
parser.add_argument("--epoch_size",
type=int,
default="3",
help="Epoch size, default is 1.")
parser.add_argument("--device_id",
type=int,
default=0,
help="Device id, default is 0.")
parser.add_argument("--device_num",
type=int,
default=1,
help="Use device nums, default is 1.")
parser.add_argument("--save_ckpt_step",
type=int,
default=100,
help="Enable data sink, default is true.")
parser.add_argument("--max_ckpt_num",
type=int,
default=1,
help="Enable data sink, default is true.")
parser.add_argument("--do_shuffle",
type=str,
default="true",
choices=["true", "false"],
help="Enable shuffle for dataset, default is true.")
parser.add_argument("--enable_data_sink",
type=str,
default="true",
choices=["true", "false"],
help="Enable data sink, default is true.")
parser.add_argument("--data_sink_steps",
type=int,
default=1,
help="Sink steps for each epoch, default is 1.")
parser.add_argument("--save_ckpt_path",
type=str,
default="",
help="Save checkpoint path")
parser.add_argument("--load_teacher_ckpt_path",
type=str,
default="",
help="Load checkpoint file path")
parser.add_argument("--data_dir",
type=str,
default="",
help="Data path, it is better to use absolute path")
parser.add_argument("--schema_dir",
type=str,
default="",
help="Schema path, it is better to use absolute path")
parser.add_argument(
"--dataset_type",
type=str,
default="tfrecord",
help="dataset type tfrecord/mindrecord, default is tfrecord")
args_opt = parser.parse_args()
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
device_id=args_opt.device_id)
context.set_context(reserve_class_name_in_scope=False)
context.set_context(variable_memory_max_size="30GB")
save_ckpt_dir = os.path.join(
args_opt.save_ckpt_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
if args_opt.distribute == "true":
if args_opt.device_target == 'Ascend':
D.init()
device_num = args_opt.device_num
rank = args_opt.device_id % device_num
else:
D.init()
device_num = D.get_group_size()
rank = D.get_rank()
save_ckpt_dir = save_ckpt_dir + '_ckpt_' + str(rank)
context.reset_auto_parallel_context()
context.set_auto_parallel_context(
parallel_mode=ParallelMode.DATA_PARALLEL,
gradients_mean=True,
device_num=device_num)
else:
rank = 0
device_num = 1
if not os.path.exists(save_ckpt_dir):
os.makedirs(save_ckpt_dir)
enable_loss_scale = True
if args_opt.device_target == "GPU":
if bert_student_net_cfg.compute_type != mstype.float32:
logger.warning(
'Compute about the student only support float32 temporarily, run with float32.'
)
bert_student_net_cfg.compute_type = mstype.float32
# Backward of the network are calculated using fp32,
# and the loss scale is not necessary
enable_loss_scale = False
netwithloss = BertNetworkWithLoss_gd(
teacher_config=bert_teacher_net_cfg,
teacher_ckpt=args_opt.load_teacher_ckpt_path,
student_config=bert_student_net_cfg,
is_training=True,
use_one_hot_embeddings=False)
if args_opt.dataset_type == "tfrecord":
dataset_type = DataType.TFRECORD
elif args_opt.dataset_type == "mindrecord":
dataset_type = DataType.MINDRECORD
else:
raise Exception("dataset format is not supported yet")
dataset = create_tinybert_dataset('gd',
common_cfg.batch_size,
device_num,
rank,
args_opt.do_shuffle,
args_opt.data_dir,
args_opt.schema_dir,
data_type=dataset_type)
dataset_size = dataset.get_dataset_size()
print('dataset size: ', dataset_size)
print("dataset repeatcount: ", dataset.get_repeat_count())
if args_opt.enable_data_sink == "true":
repeat_count = args_opt.epoch_size * dataset_size // args_opt.data_sink_steps
time_monitor_steps = args_opt.data_sink_steps
else:
repeat_count = args_opt.epoch_size
time_monitor_steps = dataset_size
lr_schedule = BertLearningRate(
learning_rate=common_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=common_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size * args_opt.epoch_size / 10),
decay_steps=int(dataset_size * args_opt.epoch_size),
power=common_cfg.AdamWeightDecay.power)
params = netwithloss.trainable_params()
decay_params = list(filter(common_cfg.AdamWeightDecay.decay_filter,
params))
other_params = list(
filter(lambda x: not common_cfg.AdamWeightDecay.decay_filter(x),
params))
group_params = [{
'params': decay_params,
'weight_decay': common_cfg.AdamWeightDecay.weight_decay
}, {
'params': other_params,
'weight_decay': 0.0
}, {
'order_params': params
}]
optimizer = AdamWeightDecay(group_params,
learning_rate=lr_schedule,
eps=common_cfg.AdamWeightDecay.eps)
callback = [
TimeMonitor(time_monitor_steps),
LossCallBack(),
ModelSaveCkpt(netwithloss.bert, args_opt.save_ckpt_step,
args_opt.max_ckpt_num, save_ckpt_dir)
]
if enable_loss_scale:
update_cell = DynamicLossScaleUpdateCell(
loss_scale_value=common_cfg.loss_scale_value,
scale_factor=common_cfg.scale_factor,
scale_window=common_cfg.scale_window)
netwithgrads = BertTrainWithLossScaleCell(
netwithloss, optimizer=optimizer, scale_update_cell=update_cell)
else:
netwithgrads = BertTrainCell(netwithloss, optimizer=optimizer)
model = Model(netwithgrads)
model.train(repeat_count,
dataset,
callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == "true"),
sink_size=args_opt.data_sink_steps)
def run_general_distill():
"""
run general distill
"""
args_opt = get_argument()
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
reserve_class_name_in_scope=False)
if args_opt.device_target == "Ascend":
context.set_context(device_id=args_opt.device_id)
save_ckpt_dir = os.path.join(
args_opt.save_ckpt_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
if args_opt.distribute == "true":
if args_opt.device_target == 'Ascend':
D.init()
device_num = args_opt.device_num
rank = args_opt.device_id % device_num
else:
D.init()
device_num = D.get_group_size()
rank = D.get_rank()
save_ckpt_dir = save_ckpt_dir + '_ckpt_' + str(rank)
context.reset_auto_parallel_context()
context.set_auto_parallel_context(
parallel_mode=ParallelMode.DATA_PARALLEL,
gradients_mean=True,
device_num=device_num)
else:
rank = 0
device_num = 1
if not os.path.exists(save_ckpt_dir):
os.makedirs(save_ckpt_dir)
enable_loss_scale = True
if args_opt.device_target == "GPU":
if bert_student_net_cfg.compute_type != mstype.float32:
logger.warning(
'Compute about the student only support float32 temporarily, run with float32.'
)
bert_student_net_cfg.compute_type = mstype.float32
# Backward of the network are calculated using fp32,
# and the loss scale is not necessary
enable_loss_scale = False
if args_opt.device_target == "CPU":
logger.warning(
'CPU only support float32 temporarily, run with float32.')
bert_teacher_net_cfg.dtype = mstype.float32
bert_teacher_net_cfg.compute_type = mstype.float32
bert_student_net_cfg.dtype = mstype.float32
bert_student_net_cfg.compute_type = mstype.float32
enable_loss_scale = False
netwithloss = BertNetworkWithLoss_gd(
teacher_config=bert_teacher_net_cfg,
teacher_ckpt=args_opt.load_teacher_ckpt_path,
student_config=bert_student_net_cfg,
is_training=True,
use_one_hot_embeddings=False)
if args_opt.dataset_type == "tfrecord":
dataset_type = DataType.TFRECORD
elif args_opt.dataset_type == "mindrecord":
dataset_type = DataType.MINDRECORD
else:
raise Exception("dataset format is not supported yet")
dataset = create_tinybert_dataset('gd',
common_cfg.batch_size,
device_num,
rank,
args_opt.do_shuffle,
args_opt.data_dir,
args_opt.schema_dir,
data_type=dataset_type)
dataset_size = dataset.get_dataset_size()
print('dataset size: ', dataset_size)
print("dataset repeatcount: ", dataset.get_repeat_count())
if args_opt.enable_data_sink == "true":
repeat_count = args_opt.epoch_size * dataset_size // args_opt.data_sink_steps
time_monitor_steps = args_opt.data_sink_steps
else:
repeat_count = args_opt.epoch_size
time_monitor_steps = dataset_size
lr_schedule = BertLearningRate(
learning_rate=common_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=common_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size * args_opt.epoch_size / 10),
decay_steps=int(dataset_size * args_opt.epoch_size),
power=common_cfg.AdamWeightDecay.power)
params = netwithloss.trainable_params()
decay_params = list(filter(common_cfg.AdamWeightDecay.decay_filter,
params))
other_params = list(
filter(lambda x: not common_cfg.AdamWeightDecay.decay_filter(x),
params))
group_params = [{
'params': decay_params,
'weight_decay': common_cfg.AdamWeightDecay.weight_decay
}, {
'params': other_params,
'weight_decay': 0.0
}, {
'order_params': params
}]
optimizer = AdamWeightDecay(group_params,
learning_rate=lr_schedule,
eps=common_cfg.AdamWeightDecay.eps)
callback = [
TimeMonitor(time_monitor_steps),
LossCallBack(),
ModelSaveCkpt(netwithloss.bert, args_opt.save_ckpt_step,
args_opt.max_ckpt_num, save_ckpt_dir)
]
if enable_loss_scale:
update_cell = DynamicLossScaleUpdateCell(
loss_scale_value=common_cfg.loss_scale_value,
scale_factor=common_cfg.scale_factor,
scale_window=common_cfg.scale_window)
netwithgrads = BertTrainWithLossScaleCell(
netwithloss, optimizer=optimizer, scale_update_cell=update_cell)
else:
netwithgrads = BertTrainCell(netwithloss, optimizer=optimizer)
model = Model(netwithgrads)
model.train(repeat_count,
dataset,
callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == "true"),
sink_size=args_opt.data_sink_steps)
def run_task_distill(args_opt):
"""
run task distill
"""
task = task_cfg[args_opt.task_name]
teacher_net_cfg.seq_length = task.seq_length
student_net_cfg.seq_length = task.seq_length
train_cfg.batch_size = args_opt.train_batch_size
eval_cfg.batch_size = args_opt.eval_batch_size
teacher_ckpt = os.path.join(args_opt.teacher_model_dir, args_opt.task_name,
WEIGHTS_NAME)
student_ckpt = os.path.join(args_opt.student_model_dir, args_opt.task_name,
WEIGHTS_NAME)
train_data_dir = os.path.join(args_opt.data_dir, args_opt.task_name,
TRAIN_DATA_NAME)
eval_data_dir = os.path.join(args_opt.data_dir, args_opt.task_name,
EVAL_DATA_NAME)
save_ckpt_dir = os.path.join(args_opt.output_dir, args_opt.task_name)
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
device_id=args.device_id)
rank = 0
device_num = 1
train_dataset = create_dataset(batch_size=train_cfg.batch_size,
device_num=device_num,
rank=rank,
do_shuffle=args_opt.do_shuffle,
data_dir=train_data_dir,
data_type=args_opt.dataset_type,
seq_length=task.seq_length,
task_type=task.task_type,
drop_remainder=True)
dataset_size = train_dataset.get_dataset_size()
print('train dataset size:', dataset_size)
eval_dataset = create_dataset(batch_size=eval_cfg.batch_size,
device_num=device_num,
rank=rank,
do_shuffle=args_opt.do_shuffle,
data_dir=eval_data_dir,
data_type=args_opt.dataset_type,
seq_length=task.seq_length,
task_type=task.task_type,
drop_remainder=False)
print('eval dataset size:', eval_dataset.get_dataset_size())
if args_opt.enable_data_sink == 'true':
repeat_count = args_opt.epoch_size * dataset_size // args_opt.data_sink_steps
else:
repeat_count = args_opt.epoch_size
netwithloss = BertNetworkWithLoss(teacher_config=teacher_net_cfg,
teacher_ckpt=teacher_ckpt,
student_config=student_net_cfg,
student_ckpt=student_ckpt,
is_training=True,
task_type=task.task_type,
num_labels=task.num_labels)
params = netwithloss.trainable_params()
optimizer_cfg = train_cfg.optimizer_cfg
lr_schedule = BertLearningRate(
learning_rate=optimizer_cfg.AdamWeightDecay.learning_rate,
end_learning_rate=optimizer_cfg.AdamWeightDecay.end_learning_rate,
warmup_steps=int(dataset_size * args_opt.epoch_size *
optimizer_cfg.AdamWeightDecay.warmup_ratio),
decay_steps=int(dataset_size * args_opt.epoch_size),
power=optimizer_cfg.AdamWeightDecay.power)
decay_params = list(
filter(optimizer_cfg.AdamWeightDecay.decay_filter, params))
other_params = list(
filter(lambda x: not optimizer_cfg.AdamWeightDecay.decay_filter(x),
params))
group_params = [{
'params': decay_params,
'weight_decay': optimizer_cfg.AdamWeightDecay.weight_decay
}, {
'params': other_params,
'weight_decay': 0.0
}, {
'order_params': params
}]
optimizer = AdamWeightDecay(group_params,
learning_rate=lr_schedule,
eps=optimizer_cfg.AdamWeightDecay.eps)
netwithgrads = BertTrainCell(netwithloss, optimizer=optimizer)
if args_opt.do_eval == 'true':
eval_dataset = list(eval_dataset.create_dict_iterator())
callback = [
EvalCallBack(network=netwithloss.bert,
dataset=eval_dataset,
eval_ckpt_step=args_opt.eval_ckpt_step,
save_ckpt_dir=save_ckpt_dir,
embedding_bits=student_net_cfg.embedding_bits,
weight_bits=student_net_cfg.weight_bits,
clip_value=student_net_cfg.weight_clip_value,
metrics=task.metrics)
]
else:
callback = [
StepCallBack(),
ModelSaveCkpt(network=netwithloss.bert,
save_ckpt_step=args_opt.save_ckpt_step,
max_ckpt_num=args_opt.max_ckpt_num,
output_dir=save_ckpt_dir,
embedding_bits=student_net_cfg.embedding_bits,
weight_bits=student_net_cfg.weight_bits,
clip_value=student_net_cfg.weight_clip_value)
]
model = Model(netwithgrads)
model.train(repeat_count,
train_dataset,
callbacks=callback,
dataset_sink_mode=(args_opt.enable_data_sink == 'true'),
sink_size=args_opt.data_sink_steps)