def train_on_gpu():
config = config_gpu_quant if args_opt.quantization_aware else config_gpu
print("training args: {}".format(args_opt))
print("training configure: {}".format(config))
# define network
network = mobilenetV2(num_classes=config.num_classes)
# define loss
if config.label_smooth > 0:
loss = CrossEntropyWithLabelSmooth(smooth_factor=config.label_smooth,
num_classes=config.num_classes)
else:
loss = nn.SoftmaxCrossEntropyWithLogits(is_grad=False, sparse=True, reduction='mean')
# define dataset
epoch_size = config.epoch_size
dataset = create_dataset(dataset_path=args_opt.dataset_path,
do_train=True,
config=config,
device_target=args_opt.device_target,
repeat_num=1,
batch_size=config.batch_size)
step_size = dataset.get_dataset_size()
# resume
if args_opt.pre_trained:
param_dict = load_checkpoint(args_opt.pre_trained)
load_param_into_net(network, param_dict)
# convert fusion network to quantization aware network
if config.quantization_aware:
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, True])
# get learning rate
loss_scale = FixedLossScaleManager(config.loss_scale, drop_overflow_update=False)
lr = Tensor(get_lr(global_step=config.start_epoch * step_size,
lr_init=0,
lr_end=0,
lr_max=config.lr,
warmup_epochs=config.warmup_epochs,
total_epochs=epoch_size + config.start_epoch,
steps_per_epoch=step_size))
# define optimization
opt = nn.Momentum(filter(lambda x: x.requires_grad, network.get_parameters()), lr, config.momentum,
config.weight_decay, config.loss_scale)
# define model
model = Model(network, loss_fn=loss, optimizer=opt, loss_scale_manager=loss_scale)
print("============== Starting Training ==============")
callback = [Monitor(lr_init=lr.asnumpy())]
ckpt_save_dir = config.save_checkpoint_path + "ckpt_" + str(get_rank()) + "/"
if config.save_checkpoint:
config_ck = CheckpointConfig(save_checkpoint_steps=config.save_checkpoint_epochs * step_size,
keep_checkpoint_max=config.keep_checkpoint_max)
ckpt_cb = ModelCheckpoint(prefix="mobilenetV2", directory=ckpt_save_dir, config=config_ck)
callback += [ckpt_cb]
model.train(epoch_size, dataset, callbacks=callback)
print("============== End Training ==============")
def train_lenet_quant():
context.set_context(mode=context.GRAPH_MODE, device_target=device_target)
cfg = quant_cfg
ckpt_path = './ckpt_lenet_noquant-10_1875.ckpt'
ds_train = create_dataset(os.path.join(data_path, "train"), cfg.batch_size, 1)
step_size = ds_train.get_dataset_size()
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# load quantization aware network checkpoint
param_dict = load_checkpoint(ckpt_path)
load_nonquant_param_into_quant_net(network, param_dict)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network, quant_delay=900, bn_fold=False, per_channel=[True, False],
symmetric=[False, False])
# define network loss
net_loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction="mean")
# define network optimization
net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
# call back and monitor
config_ckpt = CheckpointConfig(save_checkpoint_steps=cfg.epoch_size * step_size,
keep_checkpoint_max=cfg.keep_checkpoint_max)
ckpt_callback = ModelCheckpoint(prefix="ckpt_lenet_quant", config=config_ckpt)
# define model
model = Model(network, net_loss, net_opt, metrics={"Accuracy": Accuracy()})
print("============== Starting Training ==============")
model.train(cfg['epoch_size'], ds_train, callbacks=[ckpt_callback, LossMonitor()],
dataset_sink_mode=True)
print("============== End Training ==============")
def eval_quant():
context.set_context(mode=context.GRAPH_MODE, device_target=device_target)
cfg = quant_cfg
ds_eval = create_dataset(os.path.join(data_path, "test"), cfg.batch_size, 1)
ckpt_path = './ckpt_lenet_quant-10_937.ckpt'
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network, quant_delay=0, bn_fold=False, freeze_bn=10000,
per_channel=[True, False])
# define loss
net_loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction="mean")
# define network optimization
net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
# call back and monitor
model = Model(network, net_loss, net_opt, metrics={"Accuracy": Accuracy()})
# load quantization aware network checkpoint
param_dict = load_checkpoint(ckpt_path)
not_load_param = load_param_into_net(network, param_dict)
if not_load_param:
raise ValueError("Load param into net fail!")
print("============== Starting Testing ==============")
acc = model.eval(ds_eval, dataset_sink_mode=True)
print("============== {} ==============".format(acc))
assert acc['Accuracy'] > 0.98
def test_qat_mobile_per_channel_ff():
network = mobilenetV2(num_classes=1000)
img = Tensor(np.ones((1, 3, 224, 224)).astype(np.float32))
network = qat.convert_quant_network(network, bn_fold=True, per_channel=[False, False], symmetric=[True, False])
# should load the checkpoint. mock here
network.init_parameters_data()
qat.export(network, img, file_name="quant.pb")
def test_qat_lenet():
img = Tensor(np.ones((32, 1, 32, 32)).astype(np.float32))
net = LeNet5()
net = qat.convert_quant_network(net, freeze_bn=10000, num_bits=8)
# should load the checkpoint. mock here
for param in net.get_parameters():
param.init_data()
qat.export_geir(net, img, file_name="quant.pb")
def test_qat_lenet():
img = Tensor(np.ones((32, 1, 32, 32)).astype(np.float32))
net = LeNet5()
net = qat.convert_quant_network(
net, bn_fold=True, per_channel=[True, False], symmetric=[True, False])
# should load the checkpoint. mock here
net.init_parameters_data()
qat.export(net, img, file_name="quant.pb")
def test_qat_lenet():
net = LeNet5()
net = qat.convert_quant_network(net,
quant_delay=0,
bn_fold=False,
freeze_bn=10000,
weight_bits=8,
act_bits=8)
def test_qat_mobile():
net = MobileNetV2()
img = Tensor(np.ones((1, 3, 224, 224)).astype(np.float32))
net = qat.convert_quant_network(
net, quant_delay=0, bn_fold=True, freeze_bn=10000, num_bits=8)
# should load the checkpoint. mock here
for param in net.get_parameters():
param.init_data()
qat.export_geir(net, img, file_name="quant.pb")
def test_qat_mobile():
net = MobileNetV2()
img = Tensor(np.ones((1, 3, 224, 224)).astype(np.float32))
net = qat.convert_quant_network(net,
quant_delay=0,
bn_fold=False,
freeze_bn=10000,
weight_bits=8,
act_bits=8)
net(img)
def create_network(name, *args, **kwargs):
if name == "yolov3_darknet53_quant":
yolov3_darknet53_quant = YOLOV3DarkNet53(is_training=False)
config = ConfigYOLOV3DarkNet53()
# convert fusion network to quantization aware network
if config.quantization_aware:
yolov3_darknet53_quant = quant.convert_quant_network(
yolov3_darknet53_quant,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
return yolov3_darknet53_quant
raise NotImplementedError(f"{name} is not implemented in the repo")
def test_qat_mobile_train():
net = MobileNetV2(num_class=10)
img = Tensor(np.ones((1, 3, 224, 224)).astype(np.float32))
label = Tensor(np.ones((1, 10)).astype(np.float32))
net = qat.convert_quant_network(net,
quant_delay=0,
bn_fold=False,
freeze_bn=10000,
weight_bits=8,
act_bits=8)
loss = nn.SoftmaxCrossEntropyWithLogits(reduction='mean')
optimizer = nn.Momentum(net.trainable_params(),
learning_rate=0.1,
momentum=0.9)
net = nn.WithLossCell(net, loss)
net = nn.TrainOneStepCell(net, optimizer)
net(img, label)
def export_lenet():
context.set_context(mode=context.GRAPH_MODE, device_target=device_target)
cfg = quant_cfg
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
quant_delay=0,
bn_fold=False,
freeze_bn=10000,
per_channel=[True, False],
symmetric=[True, False])
# export network
inputs = Tensor(np.ones([1, 1, cfg.image_height, cfg.image_width]),
mstype.float32)
quant.export(network,
inputs,
file_name="lenet_quant",
file_format='MINDIR')
def train_on_ascend():
config = config_ascend_quant
print("training args: {}".format(args_opt))
print("training configure: {}".format(config))
print("parallel args: rank_id {}, device_id {}, rank_size {}".format(
rank_id, device_id, rank_size))
epoch_size = config.epoch_size
# distribute init
if run_distribute:
context.set_auto_parallel_context(
device_num=rank_size,
parallel_mode=ParallelMode.DATA_PARALLEL,
gradients_mean=True)
init()
# define network
network = mobilenetV2(num_classes=config.num_classes)
# define loss
if config.label_smooth > 0:
loss = CrossEntropyWithLabelSmooth(smooth_factor=config.label_smooth,
num_classes=config.num_classes)
else:
loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction='mean')
# define dataset
dataset = create_dataset(dataset_path=args_opt.dataset_path,
do_train=True,
config=config,
device_target=args_opt.device_target,
repeat_num=1,
batch_size=config.batch_size)
step_size = dataset.get_dataset_size()
# load pre trained ckpt
if args_opt.pre_trained:
param_dict = load_checkpoint(args_opt.pre_trained)
load_nonquant_param_into_quant_net(network, param_dict)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
# get learning rate
lr = Tensor(
get_lr(global_step=config.start_epoch * step_size,
lr_init=0,
lr_end=0,
lr_max=config.lr,
warmup_epochs=config.warmup_epochs,
total_epochs=epoch_size + config.start_epoch,
steps_per_epoch=step_size))
# define optimization
opt = nn.Momentum(
filter(lambda x: x.requires_grad, network.get_parameters()), lr,
config.momentum, config.weight_decay)
# define model
model = Model(network, loss_fn=loss, optimizer=opt)
print("============== Starting Training ==============")
callback = None
if rank_id == 0:
callback = [Monitor(lr_init=lr.asnumpy())]
if config.save_checkpoint:
config_ck = CheckpointConfig(
save_checkpoint_steps=config.save_checkpoint_epochs *
step_size,
keep_checkpoint_max=config.keep_checkpoint_max)
ckpt_cb = ModelCheckpoint(prefix="mobilenetV2",
directory=config.save_checkpoint_path,
config=config_ck)
callback += [ckpt_cb]
model.train(epoch_size, dataset, callbacks=callback)
print("============== End Training ==============")
context.set_context(mode=context.GRAPH_MODE,
device_target=args_opt.device_target,
save_graphs=False)
config = config_quant
if args_opt.device_target == "Ascend":
device_id = int(os.getenv('DEVICE_ID'))
context.set_context(device_id=device_id)
if __name__ == '__main__':
# define fusion network
net = resnet50_quant(class_num=config.class_num)
# convert fusion network to quantization aware network
net = quant.convert_quant_network(net,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
# define network loss
if not config.use_label_smooth:
config.label_smooth_factor = 0.0
loss = CrossEntropy(smooth_factor=config.label_smooth_factor,
num_classes=config.class_num)
# define dataset
dataset = create_dataset(dataset_path=args_opt.dataset_path,
do_train=False,
batch_size=config.batch_size,
target=args_opt.device_target)
step_size = dataset.get_dataset_size()
# load checkpoint
def test():
"""The function of eval."""
start_time = time.time()
args = parse_args()
# logger
args.outputs_dir = os.path.join(
args.log_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
rank_id = int(os.environ.get('RANK_ID'))
args.logger = get_logger(args.outputs_dir, rank_id)
context.reset_auto_parallel_context()
parallel_mode = ParallelMode.STAND_ALONE
context.set_auto_parallel_context(parallel_mode=parallel_mode,
gradients_mean=True,
device_num=1)
args.logger.info('Creating Network....')
network = YOLOV3DarkNet53(is_training=False)
config = ConfigYOLOV3DarkNet53()
if args.testing_shape:
config.test_img_shape = conver_testing_shape(args)
# convert fusion network to quantization aware network
if config.quantization_aware:
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
args.logger.info(args.pretrained)
if os.path.isfile(args.pretrained):
param_dict = load_checkpoint(args.pretrained)
param_dict_new = {}
for key, values in param_dict.items():
if key.startswith('moments.'):
continue
elif key.startswith('yolo_network.'):
param_dict_new[key[13:]] = values
else:
param_dict_new[key] = values
load_param_into_net(network, param_dict_new)
args.logger.info('load_model {} success'.format(args.pretrained))
else:
args.logger.info('{} not exists or not a pre-trained file'.format(
args.pretrained))
assert FileNotFoundError(
'{} not exists or not a pre-trained file'.format(args.pretrained))
exit(1)
data_root = args.data_root
ann_file = args.annFile
ds, data_size = create_yolo_dataset(data_root,
ann_file,
is_training=False,
batch_size=args.per_batch_size,
max_epoch=1,
device_num=1,
rank=rank_id,
shuffle=False,
config=config)
args.logger.info('testing shape : {}'.format(config.test_img_shape))
args.logger.info('totol {} images to eval'.format(data_size))
network.set_train(False)
# init detection engine
detection = DetectionEngine(args)
input_shape = Tensor(tuple(config.test_img_shape), ms.float32)
args.logger.info('Start inference....')
for i, data in enumerate(ds.create_dict_iterator()):
image = data["image"]
image_shape = data["image_shape"]
image_id = data["img_id"]
prediction = network(image, input_shape)
output_big, output_me, output_small = prediction
output_big = output_big.asnumpy()
output_me = output_me.asnumpy()
output_small = output_small.asnumpy()
image_id = image_id.asnumpy()
image_shape = image_shape.asnumpy()
detection.detect([output_small, output_me, output_big],
args.per_batch_size, image_shape, image_id)
if i % 1000 == 0:
args.logger.info('Processing... {:.2f}% '.format(
i * args.per_batch_size / data_size * 100))
args.logger.info('Calculating mAP...')
detection.do_nms_for_results()
result_file_path = detection.write_result()
args.logger.info('result file path: {}'.format(result_file_path))
eval_result = detection.get_eval_result()
cost_time = time.time() - start_time
args.logger.info('\n=============coco eval reulst=========\n' +
eval_result)
args.logger.info('testing cost time {:.2f}h'.format(cost_time / 3600.))
def test_mobilenetv2_quant():
set_seed(1)
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
config = config_ascend_quant
print("training configure: {}".format(config))
epoch_size = config.epoch_size
# define network
network = mobilenetV2(num_classes=config.num_classes)
# define loss
if config.label_smooth > 0:
loss = CrossEntropyWithLabelSmooth(smooth_factor=config.label_smooth,
num_classes=config.num_classes)
else:
loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction='mean')
# define dataset
dataset = create_dataset(dataset_path=dataset_path,
config=config,
repeat_num=1,
batch_size=config.batch_size)
step_size = dataset.get_dataset_size()
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
# get learning rate
lr = Tensor(
get_lr(global_step=config.start_epoch * step_size,
lr_init=0,
lr_end=0,
lr_max=config.lr,
warmup_epochs=config.warmup_epochs,
total_epochs=epoch_size + config.start_epoch,
steps_per_epoch=step_size))
# define optimization
opt = nn.Momentum(
filter(lambda x: x.requires_grad, network.get_parameters()), lr,
config.momentum, config.weight_decay)
# define model
model = Model(network, loss_fn=loss, optimizer=opt)
print("============== Starting Training ==============")
monitor = Monitor(lr_init=lr.asnumpy(),
step_threshold=config.step_threshold)
callback = [monitor]
model.train(epoch_size,
dataset,
callbacks=callback,
dataset_sink_mode=False)
print("============== End Training ==============")
expect_avg_step_loss = 2.32
avg_step_loss = np.mean(np.array(monitor.losses))
print("average step loss:{}".format(avg_step_loss))
assert avg_step_loss < expect_avg_step_loss
def test_resnet50_quant():
set_seed(1)
context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
config = config_quant
print("training configure: {}".format(config))
epoch_size = config.epoch_size
# define network
net = resnet50_quant(class_num=config.class_num)
net.set_train(True)
# define loss
if not config.use_label_smooth:
config.label_smooth_factor = 0.0
loss = CrossEntropy(smooth_factor=config.label_smooth_factor,
num_classes=config.class_num)
#loss_scale = FixedLossScaleManager(config.loss_scale, drop_overflow_update=False)
# define dataset
dataset = create_dataset(dataset_path=dataset_path,
config=config,
repeat_num=1,
batch_size=config.batch_size)
step_size = dataset.get_dataset_size()
# convert fusion network to quantization aware network
net = quant.convert_quant_network(net,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
# get learning rate
lr = Tensor(
get_lr(lr_init=config.lr_init,
lr_end=0.0,
lr_max=config.lr_max,
warmup_epochs=config.warmup_epochs,
total_epochs=config.epoch_size,
steps_per_epoch=step_size,
lr_decay_mode='cosine'))
# define optimization
opt = Momentum(filter(lambda x: x.requires_grad, net.get_parameters()), lr,
config.momentum, config.weight_decay, config.loss_scale)
# define model
#model = Model(net, loss_fn=loss, optimizer=opt, loss_scale_manager=loss_scale, metrics={'acc'})
model = Model(net, loss_fn=loss, optimizer=opt)
print("============== Starting Training ==============")
monitor = Monitor(lr_init=lr.asnumpy(),
step_threshold=config.step_threshold)
callbacks = [monitor]
model.train(epoch_size,
dataset,
callbacks=callbacks,
dataset_sink_mode=False)
print("============== End Training ==============")
expect_avg_step_loss = 2.40
avg_step_loss = np.mean(np.array(monitor.losses))
print("average step loss:{}".format(avg_step_loss))
assert avg_step_loss < expect_avg_step_loss
default="",
help='if mode is test, must provide path where the trained ckpt file')
args = parser.parse_args()
if __name__ == "__main__":
context.set_context(mode=context.GRAPH_MODE,
device_target=args.device_target)
ds_eval = create_dataset(os.path.join(args.data_path, "test"),
cfg.batch_size, 1)
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
quant_delay=0,
bn_fold=False,
freeze_bn=10000,
per_channel=[True, False])
# define loss
net_loss = nn.SoftmaxCrossEntropyWithLogits(sparse=True, reduction="mean")
# define network optimization
net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
# call back and monitor
model = Model(network, net_loss, net_opt, metrics={"Accuracy": Accuracy()})
# load quantization aware network checkpoint
param_dict = load_checkpoint(args.ckpt_path)
not_load_param = load_param_into_net(network, param_dict)
if not_load_param:
def train():
"""Train function."""
args = parse_args()
# init distributed
if args.is_distributed:
init()
args.rank = get_rank()
args.group_size = get_group_size()
# select for master rank save ckpt or all rank save, compatiable for model parallel
args.rank_save_ckpt_flag = 0
if args.is_save_on_master:
if args.rank == 0:
args.rank_save_ckpt_flag = 1
else:
args.rank_save_ckpt_flag = 1
# logger
args.outputs_dir = os.path.join(
args.ckpt_path,
datetime.datetime.now().strftime('%Y-%m-%d_time_%H_%M_%S'))
args.logger = get_logger(args.outputs_dir, args.rank)
args.logger.save_args(args)
if args.need_profiler:
from mindspore.profiler.profiling import Profiler
profiler = Profiler(output_path=args.outputs_dir,
is_detail=True,
is_show_op_path=True)
loss_meter = AverageMeter('loss')
context.reset_auto_parallel_context()
if args.is_distributed:
parallel_mode = ParallelMode.DATA_PARALLEL
degree = get_group_size()
else:
parallel_mode = ParallelMode.STAND_ALONE
degree = 1
context.set_auto_parallel_context(parallel_mode=parallel_mode,
mirror_mean=True,
device_num=degree)
network = YOLOV3DarkNet53(is_training=True)
# default is kaiming-normal
default_recurisive_init(network)
if args.resume_yolov3:
param_dict = load_checkpoint(args.resume_yolov3)
param_dict_new = {}
for key, values in param_dict.items():
args.logger.info('ckpt param name = {}'.format(key))
if key.startswith('moments.') or key.startswith('global_') or \
key.startswith('learning_rate') or key.startswith('momentum'):
continue
elif key.startswith('yolo_network.'):
key_new = key[13:]
if key_new.endswith('1.beta'):
key_new = key_new.replace('1.beta', 'batchnorm.beta')
if key_new.endswith('1.gamma'):
key_new = key_new.replace('1.gamma', 'batchnorm.gamma')
if key_new.endswith('1.moving_mean'):
key_new = key_new.replace('1.moving_mean',
'batchnorm.moving_mean')
if key_new.endswith('1.moving_variance'):
key_new = key_new.replace('1.moving_variance',
'batchnorm.moving_variance')
if key_new.endswith('.weight'):
if key_new.endswith('0.weight'):
key_new = key_new.replace('0.weight', 'conv.weight')
else:
key_new = key_new.replace('.weight', '.conv.weight')
if key_new.endswith('.bias'):
key_new = key_new.replace('.bias', '.conv.bias')
param_dict_new[key_new] = values
args.logger.info('in resume {}'.format(key_new))
else:
param_dict_new[key] = values
args.logger.info('in resume {}'.format(key))
args.logger.info('resume finished')
for _, param in network.parameters_and_names():
args.logger.info('network param name = {}'.format(param.name))
if param.name not in param_dict_new:
args.logger.info('not match param name = {}'.format(
param.name))
load_param_into_net(network, param_dict_new)
args.logger.info('load_model {} success'.format(args.resume_yolov3))
config = ConfigYOLOV3DarkNet53()
# convert fusion network to quantization aware network
if config.quantization_aware:
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
network = YoloWithLossCell(network)
args.logger.info('finish get network')
config.label_smooth = args.label_smooth
config.label_smooth_factor = args.label_smooth_factor
if args.training_shape:
config.multi_scale = [conver_training_shape(args)]
if args.resize_rate:
config.resize_rate = args.resize_rate
ds, data_size = create_yolo_dataset(image_dir=args.data_root,
anno_path=args.annFile,
is_training=True,
batch_size=args.per_batch_size,
max_epoch=args.max_epoch,
device_num=args.group_size,
rank=args.rank,
config=config)
args.logger.info('Finish loading dataset')
args.steps_per_epoch = int(data_size / args.per_batch_size /
args.group_size)
if not args.ckpt_interval:
args.ckpt_interval = args.steps_per_epoch
# lr scheduler
if args.lr_scheduler == 'exponential':
lr = warmup_step_lr(
args.lr,
args.lr_epochs,
args.steps_per_epoch,
args.warmup_epochs,
args.max_epoch,
gamma=args.lr_gamma,
)
elif args.lr_scheduler == 'cosine_annealing':
lr = warmup_cosine_annealing_lr(args.lr, args.steps_per_epoch,
args.warmup_epochs, args.max_epoch,
args.T_max, args.eta_min)
elif args.lr_scheduler == 'cosine_annealing_V2':
lr = warmup_cosine_annealing_lr_V2(args.lr, args.steps_per_epoch,
args.warmup_epochs, args.max_epoch,
args.T_max, args.eta_min)
elif args.lr_scheduler == 'cosine_annealing_sample':
lr = warmup_cosine_annealing_lr_sample(args.lr, args.steps_per_epoch,
args.warmup_epochs,
args.max_epoch, args.T_max,
args.eta_min)
else:
raise NotImplementedError(args.lr_scheduler)
opt = Momentum(params=get_param_groups(network),
learning_rate=Tensor(lr),
momentum=args.momentum,
weight_decay=args.weight_decay,
loss_scale=args.loss_scale)
network = TrainingWrapper(network, opt)
network.set_train()
if args.rank_save_ckpt_flag:
# checkpoint save
ckpt_max_num = args.max_epoch * args.steps_per_epoch // args.ckpt_interval
ckpt_config = CheckpointConfig(
save_checkpoint_steps=args.ckpt_interval,
keep_checkpoint_max=ckpt_max_num)
ckpt_cb = ModelCheckpoint(config=ckpt_config,
directory=args.outputs_dir,
prefix='{}'.format(args.rank))
cb_params = _InternalCallbackParam()
cb_params.train_network = network
cb_params.epoch_num = ckpt_max_num
cb_params.cur_epoch_num = 1
run_context = RunContext(cb_params)
ckpt_cb.begin(run_context)
old_progress = -1
t_end = time.time()
data_loader = ds.create_dict_iterator()
shape_record = ShapeRecord()
for i, data in enumerate(data_loader):
images = data["image"]
input_shape = images.shape[2:4]
args.logger.info('iter[{}], shape{}'.format(i, input_shape[0]))
shape_record.set(input_shape)
images = Tensor(images)
annos = data["annotation"]
if args.group_size == 1:
batch_y_true_0, batch_y_true_1, batch_y_true_2, batch_gt_box0, batch_gt_box1, batch_gt_box2 = \
batch_preprocess_true_box(annos, config, input_shape)
else:
batch_y_true_0, batch_y_true_1, batch_y_true_2, batch_gt_box0, batch_gt_box1, batch_gt_box2 = \
batch_preprocess_true_box_single(annos, config, input_shape)
batch_y_true_0 = Tensor(batch_y_true_0)
batch_y_true_1 = Tensor(batch_y_true_1)
batch_y_true_2 = Tensor(batch_y_true_2)
batch_gt_box0 = Tensor(batch_gt_box0)
batch_gt_box1 = Tensor(batch_gt_box1)
batch_gt_box2 = Tensor(batch_gt_box2)
input_shape = Tensor(tuple(input_shape[::-1]), ms.float32)
loss = network(images, batch_y_true_0, batch_y_true_1, batch_y_true_2,
batch_gt_box0, batch_gt_box1, batch_gt_box2,
input_shape)
loss_meter.update(loss.asnumpy())
if args.rank_save_ckpt_flag:
# ckpt progress
cb_params.cur_step_num = i + 1 # current step number
cb_params.batch_num = i + 2
ckpt_cb.step_end(run_context)
if i % args.log_interval == 0:
time_used = time.time() - t_end
epoch = int(i / args.steps_per_epoch)
fps = args.per_batch_size * (
i - old_progress) * args.group_size / time_used
if args.rank == 0:
args.logger.info(
'epoch[{}], iter[{}], {}, {:.2f} imgs/sec, lr:{}'.format(
epoch, i, loss_meter, fps, lr[i]))
t_end = time.time()
loss_meter.reset()
old_progress = i
if (i + 1) % args.steps_per_epoch == 0 and args.rank_save_ckpt_flag:
cb_params.cur_epoch_num += 1
if args.need_profiler:
if i == 10:
profiler.analyse()
break
args.logger.info('==========end training===============')
device_target=args.device_target)
ds_train = create_dataset(os.path.join(args.data_path, "train"),
cfg.batch_size, 1)
step_size = ds_train.get_dataset_size()
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# load quantization aware network checkpoint
param_dict = load_checkpoint(args.ckpt_path)
load_nonquant_param_into_quant_net(network, param_dict)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
quant_delay=900,
bn_fold=False,
per_channel=[True, False],
symmetric=[False, False])
# define network loss
net_loss = nn.SoftmaxCrossEntropyWithLogits(is_grad=False,
sparse=True,
reduction="mean")
# define network optimization
net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
# call back and monitor
config_ckpt = CheckpointConfig(save_checkpoint_steps=cfg.epoch_size *
step_size,
keep_checkpoint_max=cfg.keep_checkpoint_max)
ckpt_callback = ModelCheckpoint(prefix="checkpoint_lenet",
context.set_context(mode=context.GRAPH_MODE,
device_target=args.device_target)
ds_train = create_dataset(os.path.join(args.data_path, "train"),
cfg.batch_size, cfg.epoch_size)
step_size = ds_train.get_dataset_size()
# define fusion network
network = LeNet5Fusion(cfg.num_classes)
# load quantization aware network checkpoint
param_dict = load_checkpoint(args.ckpt_path)
load_param_into_net(network, param_dict)
# convert fusion network to quantization aware network
network = quant.convert_quant_network(network,
quant_delay=0,
bn_fold=False,
freeze_bn=10000)
# define network loss
net_loss = nn.SoftmaxCrossEntropyWithLogits(is_grad=False,
sparse=True,
reduction="mean")
# define network optimization
net_opt = nn.Momentum(network.trainable_params(), cfg.lr, cfg.momentum)
# call back and monitor
config_ckpt = CheckpointConfig(save_checkpoint_steps=cfg.epoch_size *
step_size,
keep_checkpoint_max=cfg.keep_checkpoint_max)
ckpt_callback = ModelCheckpoint(prefix="checkpoint_lenet",
config=config_ckpt)
def train():
"""Train function."""
args = parse_args()
args.logger.save_args(args)
if args.need_profiler:
from mindspore.profiler.profiling import Profiler
profiler = Profiler(output_path=args.outputs_dir,
is_detail=True,
is_show_op_path=True)
loss_meter = AverageMeter('loss')
context.reset_auto_parallel_context()
parallel_mode = ParallelMode.STAND_ALONE
degree = 1
if args.is_distributed:
parallel_mode = ParallelMode.DATA_PARALLEL
degree = get_group_size()
context.set_auto_parallel_context(parallel_mode=parallel_mode,
gradients_mean=True,
device_num=degree)
network = YOLOV3DarkNet53(is_training=True)
# default is kaiming-normal
default_recurisive_init(network)
load_yolov3_quant_params(args, network)
config = ConfigYOLOV3DarkNet53()
# convert fusion network to quantization aware network
if config.quantization_aware:
network = quant.convert_quant_network(network,
bn_fold=True,
per_channel=[True, False],
symmetric=[True, False])
network = YoloWithLossCell(network)
args.logger.info('finish get network')
config.label_smooth = args.label_smooth
config.label_smooth_factor = args.label_smooth_factor
if args.training_shape:
config.multi_scale = [conver_training_shape(args)]
if args.resize_rate:
config.resize_rate = args.resize_rate
ds, data_size = create_yolo_dataset(image_dir=args.data_root,
anno_path=args.annFile,
is_training=True,
batch_size=args.per_batch_size,
max_epoch=args.max_epoch,
device_num=args.group_size,
rank=args.rank,
config=config)
args.logger.info('Finish loading dataset')
args.steps_per_epoch = int(data_size / args.per_batch_size /
args.group_size)
if not args.ckpt_interval:
args.ckpt_interval = args.steps_per_epoch
lr = get_lr(args)
opt = Momentum(params=get_param_groups(network),
learning_rate=Tensor(lr),
momentum=args.momentum,
weight_decay=args.weight_decay,
loss_scale=args.loss_scale)
network = TrainingWrapper(network, opt)
network.set_train()
if args.rank_save_ckpt_flag:
# checkpoint save
ckpt_max_num = args.max_epoch * args.steps_per_epoch // args.ckpt_interval
ckpt_config = CheckpointConfig(
save_checkpoint_steps=args.ckpt_interval,
keep_checkpoint_max=ckpt_max_num)
save_ckpt_path = os.path.join(args.outputs_dir,
'ckpt_' + str(args.rank) + '/')
ckpt_cb = ModelCheckpoint(config=ckpt_config,
directory=save_ckpt_path,
prefix='{}'.format(args.rank))
cb_params = _InternalCallbackParam()
cb_params.train_network = network
cb_params.epoch_num = ckpt_max_num
cb_params.cur_epoch_num = 1
run_context = RunContext(cb_params)
ckpt_cb.begin(run_context)
old_progress = -1
t_end = time.time()
data_loader = ds.create_dict_iterator(output_numpy=True, num_epochs=1)
shape_record = ShapeRecord()
for i, data in enumerate(data_loader):
images = data["image"]
input_shape = images.shape[2:4]
args.logger.info('iter[{}], shape{}'.format(i, input_shape[0]))
shape_record.set(input_shape)
images = Tensor.from_numpy(images)
annos = data["annotation"]
if args.group_size == 1:
batch_y_true_0, batch_y_true_1, batch_y_true_2, batch_gt_box0, batch_gt_box1, batch_gt_box2 = \
batch_preprocess_true_box(annos, config, input_shape)
else:
batch_y_true_0, batch_y_true_1, batch_y_true_2, batch_gt_box0, batch_gt_box1, batch_gt_box2 = \
batch_preprocess_true_box_single(annos, config, input_shape)
batch_y_true_0 = Tensor.from_numpy(batch_y_true_0)
batch_y_true_1 = Tensor.from_numpy(batch_y_true_1)
batch_y_true_2 = Tensor.from_numpy(batch_y_true_2)
batch_gt_box0 = Tensor.from_numpy(batch_gt_box0)
batch_gt_box1 = Tensor.from_numpy(batch_gt_box1)
batch_gt_box2 = Tensor.from_numpy(batch_gt_box2)
input_shape = Tensor(tuple(input_shape[::-1]), ms.float32)
loss = network(images, batch_y_true_0, batch_y_true_1, batch_y_true_2,
batch_gt_box0, batch_gt_box1, batch_gt_box2,
input_shape)
loss_meter.update(loss.asnumpy())
if args.rank_save_ckpt_flag:
# ckpt progress
cb_params.cur_step_num = i + 1 # current step number
cb_params.batch_num = i + 2
ckpt_cb.step_end(run_context)
if i % args.log_interval == 0:
time_used = time.time() - t_end
epoch = int(i / args.steps_per_epoch)
fps = args.per_batch_size * (
i - old_progress) * args.group_size / time_used
if args.rank == 0:
args.logger.info(
'epoch[{}], iter[{}], {}, {:.2f} imgs/sec, lr:{}'.format(
epoch, i, loss_meter, fps, lr[i]))
t_end = time.time()
loss_meter.reset()
old_progress = i
if (i + 1) % args.steps_per_epoch == 0 and args.rank_save_ckpt_flag:
cb_params.cur_epoch_num += 1
if args.need_profiler:
if i == 10:
profiler.analyse()
break
args.logger.info('==========end training===============')