def main(args):
assert torch.cuda.is_available(), 'CUDA is not available'
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = False
torch.backends.cudnn.deterministic = True
# if resume is True, resume configs and checkpoint from the existing files.
if args.search_resume:
# args.resume_file path to ... .../EXP-time
# resume experiment in a new File, rather than the same file.
# configs resume
assert os.path.exists(
args.resume_file
), 'cannot find the resume file {:}, please re-check'.format(
args.resume_file)
config_file_path = os.path.join(args.resume_file, 'search.config')
assert os.path.exists(
config_file_path
), "the path to configs file path {:} is not exists".format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
configs_resume(args, config_dict, 'search')
# new EXP file initialize
resume_EXP_time = config_dict['path'].split('/')[-1]
resume_exp_name = config_dict['path'].split('/')[-2]
EXP_time = time_for_file()
args.path = os.path.join(
args.path, args.exp_name, EXP_time +
'-resume-{:}'.format(resume_exp_name + '-' + resume_EXP_time))
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
#save_configs(args.__dict__, args.path, 'search')
#logger = prepare_logger(args)
#logger.log("=> loading configs from the file '{:}' start.".format(args.resume_file), mode='info')
torch.set_num_threads(args.workers)
set_manual_seed(args.random_seed)
else:
# training initialization
torch.set_num_threads(args.workers)
set_manual_seed(args.random_seed)
EXP_time = time_for_file()
args.path = os.path.join(args.path, args.exp_name, EXP_time)
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
# weight optimizer config, related to network_weight_optimizer, scheduler, and criterion
if args.weight_optimizer_type == 'SGD':
weight_optimizer_params = {
'momentum': args.momentum,
'nesterov': args.nesterov,
'weight_decay': args.weight_decay,
}
elif args.weight_optimizer_type == 'RMSprop':
weight_optimizer_params = {
'momentum': args.momentum,
'weight_decay': args.weight_decay,
}
else:
weight_optimizer_params = None
if args.scheduler == 'cosine':
scheduler_params = {'T_max': args.T_max, 'eta_min': args.eta_min}
elif args.scheduler == 'multistep':
scheduler_params = {
'milestones': args.milestones,
'gammas': args.gammas
}
elif args.scheduler == 'exponential':
scheduler_params = {'gamma': args.gamma}
elif args.scheduler == 'linear':
scheduler_params = {'min_lr': args.min_lr}
else:
scheduler_params = None
if args.criterion == 'SmoothSoftmax':
criterion_params = {'label_smooth': args.label_smoothing}
else:
criterion_params = None
# weight_optimizer_config, used in run_manager to get weight_optimizer, scheduler, and criterion.
args.optimizer_config = {
'optimizer_type': args.weight_optimizer_type,
'optimizer_params': weight_optimizer_params,
'scheduler': args.scheduler,
'scheduler_params': scheduler_params,
'criterion': args.criterion,
'criterion_params': criterion_params,
'init_lr': args.init_lr,
'warmup_epoch': args.warmup_epochs,
'epochs': args.epochs,
'class_num': args.nb_classes,
}
# arch_optimizer_config
if args.arch_optimizer_type == 'adam':
args.arch_optimizer_params = {
'betas': (args.arch_adam_beta1, args.arch_adam_beta2),
'eps': args.arch_adam_eps
}
else:
args.arch_optimizer_params = None
# related to entropy constraint loss
# TODO: pay attention, use separate lambda for cell_entropy and network_entropy.
if args.reg_loss_type == 'add#linear':
args.reg_loss_params = {
'lambda1': args.reg_loss_lambda1,
'lambda2': args.reg_loss_lambda2,
}
elif args.reg_loss_type == 'add#linear#linearschedule':
args.reg_loss_params = {
'lambda1': args.reg_loss_lambda1,
'lambda2': args.reg_loss_lambda2,
}
elif args.reg_loss_type == 'mul#log':
args.reg_loss_params = {
'alpha': args.reg_loss_alpha,
'beta': args.reg_loss_beta
}
else:
args.reg_loss_params = None
# perform config save, for run_configs and arch_search_configs
save_configs(args.__dict__, args.path, 'search')
logger = prepare_logger(args)
logger.log("=> loading configs from the file '{:}' start.".format(
args.resume_file) if args.search_resume else
'=> train-search phase initialization done',
mode='info')
#print(args.optimizer_config)
run_config = RunConfig(**args.__dict__)
arch_search_config = ArchSearchConfig(**args.__dict__)
# args.bn_momentum and args.bn_eps are not used
super_network = GumbelAutoDeepLab(args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
args.nb_layers,
args.bn_momentum,
args.bn_eps,
args.search_space,
logger,
affine=False)
# calculate init entropy
_, network_index = super_network.get_network_arch_hardwts(
) # set self.hardwts again
_, aspp_index = super_network.get_aspp_hardwts_index()
single_path = super_network.sample_single_path(args.nb_layers, aspp_index,
network_index)
cell_arch_entropy, network_arch_entropy, entropy = super_network.calculate_entropy(
single_path)
logger.log('=> entropy : {:}'.format(entropy), mode='info')
vis_init_params = {
'cell_entropy': cell_arch_entropy,
'network_entropy': network_arch_entropy,
'entropy': entropy,
}
#vis_elements = args.elements
#vis_elements.extend(['cell_entropy', 'network_entropy', 'entropy'])
#args.elements = vis_elements
args.vis_init_params = vis_init_params
if args.open_vis:
vis = visdomer(args.port,
args.server,
args.exp_name,
args.compare_phase,
args.elements,
init_params=args.vis_init_params)
else:
vis = None
'''
from exp.autodeeplab.auto_deeplab import AutoDeeplab
super_network = AutoDeeplab(args.filter_multiplier, args.block_multiplier, args.steps,
args.nb_classes, args.nb_layers, args.search_space, logger, affine=False)
'''
'''
from exp.fixed_network_level.supernetwork import FixedNetwork
super_network = FixedNetwork(args.filter_multiplier, args.block_multiplier, args.steps, args.nb_classes,
args.nb_layers, args.search_space, logger, affine=False)
'''
arch_search_run_manager = ArchSearchRunManager(args.path, super_network,
run_config,
arch_search_config, logger,
vis)
display_all_families_information(args, 'search', arch_search_run_manager,
logger)
'''
# get_model_infos, perform inference
# TODO: modify the way of forward into gdas_forward
flop, param = get_model_infos(super_network, [1, 3, 512, 512])
print('||||||| FLOPS & PARAMS |||||||')
print('FLOP = {:.2f} M, Params = {:.2f} MB'.format(flop, param))
'''
# 1. resume warmup phase
# 2. resume search phase
# 3. add last_info log × not last_info, every time, the saved_file name is not consistent, should given resume_file
# 1. given EXP file time completed :: resume_file :: ->EXP-time
# 2. get configs, and load config completed
# 3. resume checkpoint completed
# TODO: have issue in resume semantics. After resume, it will allocate more GPU memory than the normal one, which will raise OOM in search phase.
if args.search_resume:
if os.path.exists(args.resume_file): # resume_file :: path to EXP-time
logger.log("=> loading checkpoint of the file '{:}' start".format(
args.resume_file),
mode='info')
warm_up_checkpoint = os.path.join(
args.resume_file, 'checkpoints',
'seed-{:}-warm.pth'.format(args.random_seed))
search_checkpoint = os.path.join(
args.resume_file, 'checkpoints',
'seed-{:}-search.pth'.format(args.random_seed))
if args.resume_from_warmup == False: # resume checkpoint in search phase
checkpoint = torch.load(search_checkpoint)
super_network.load_state_dict(checkpoint['state_dict'])
arch_search_run_manager.run_manager.optimizer.load_state_dict(
checkpoint['weight_optimizer'])
arch_search_run_manager.run_manager.scheduler.load_state_dict(
checkpoint['weight_scheduler'])
arch_search_run_manager.arch_optimizer.load_state_dict(
checkpoint['arch_optimizer'])
arch_search_run_manager.run_manager.monitor_metric = checkpoint[
'best_monitor'][0]
arch_search_run_manager.run_manager.best_monitor = checkpoint[
'best_monitor'][1]
arch_search_run_manager.warmup = checkpoint['warmup']
arch_search_run_manager.start_epoch = checkpoint[
'start_epochs'] # pay attention:: start_epochs and warmup_epoch in nas_manager
logger.log(
"=> loading checkpoint of the file '{:}' start with {:}-th epochs in search phase"
.format(search_checkpoint, checkpoint['start_epochs']),
mode='info')
else: # resume checkpoint in warmup phase
checkpoint = torch.load(warm_up_checkpoint)
super_network.load_state_dict(checkpoint['state_dict'])
arch_search_run_manager.run_manager.optimizer.load_state_dict(
checkpoint['weight_optimizer'])
arch_search_run_manager.run_manager.scheduler.load_state_dict(
checkpoint['weight_scheduler'])
arch_search_run_manager.warmup = checkpoint['warmup']
arch_search_run_manager.warmup_epoch = checkpoint[
'warmup_epoch']
logger.log(
"=> loading checkpoint of the file '{:}' start with {:}-th epochs in warmup phase"
.format(warm_up_checkpoint, checkpoint['warmup_epoch']),
mode='info')
else:
logger.log(
"=> can not find the file: {:} please re-confirm it\n"
"=> start warm-up and search from scratch... ...".format(
args.resume_file),
mode='info')
else:
logger.log("=> start warm-up and search from scratch... ...",
mode='info')
# torch.autograd.set_detect_anomaly(True)
# warm up phase
if arch_search_run_manager.warmup:
arch_search_run_manager.warm_up(warmup_epochs=args.warmup_epochs)
# train search phase
arch_search_run_manager.train()
logger.close()
def main():
global args, best_prec1
PID = os.getpid()
args = parser.parse_args()
prepare_seed(args.rand_seed)
if args.timestamp == 'none':
args.timestamp = "{:}".format(time.strftime('%h-%d-%C_%H-%M-%s', time.gmtime(time.time())))
# Log outputs
if args.evaluate:
args.save_dir = args.save_dir + "/Visda17-Res101-evaluate" + \
"%s/%s"%('/'+args.resume if args.resume != 'none' else '', args.timestamp)
else:
args.save_dir = args.save_dir + \
"/Visda17-Res101-%s-train.%s-LR%.2E-epoch%d-batch%d-seed%d"%(
"LWF%.2f"%args.lwf if args.lwf > 0 else "XE", args.train_blocks, args.lr, args.epochs, args.batch_size, args.rand_seed) + \
"%s/%s"%('/'+args.resume if args.resume != 'none' else '', args.timestamp)
logger = prepare_logger(args)
data_transforms = {
'train': transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
]),
'val': transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
]),
}
kwargs = {'num_workers': 20, 'pin_memory': True}
trainset = VisDA17(txt_file=os.path.join(args.data, "train/image_list.txt"), root_dir=os.path.join(args.data, "train"), transform=data_transforms['train'])
valset = VisDA17(txt_file=os.path.join(args.data, "validation/image_list.txt"), root_dir=os.path.join(args.data, "validation"), transform=data_transforms['val'], label_one_hot=True)
train_loader = DataLoader(trainset, batch_size=args.batch_size, shuffle=True, **kwargs)
val_loader = DataLoader(valset, batch_size=args.batch_size, shuffle=False, **kwargs)
model = resnet101(pretrained=True)
num_ftrs = model.fc.in_features
fc_layers = nn.Sequential(
nn.Linear(num_ftrs, 512),
nn.ReLU(inplace=True),
nn.Linear(512, args.num_class),
)
model.fc_new = fc_layers
train_blocks = args.train_blocks.split('.')
# default turn-off fc, turn-on fc_new
for param in model.fc.parameters():
param.requires_grad = False
##### Freeze several bottom layers (Optional) #####
non_train_blocks = ['conv1', 'bn1', 'layer1', 'layer2', 'layer3', 'layer4', 'fc']
for name in train_blocks:
try:
non_train_blocks.remove(name)
except Exception:
print("cannot find block name %s\nAvailable blocks are: conv1, bn1, layer1, layer2, layer3, layer4, fc"%name)
for name in non_train_blocks:
for param in getattr(model, name).parameters():
param.requires_grad = False
# Setup optimizer
factor = 0.1
sgd_in = []
for name in train_blocks:
if name != 'fc':
sgd_in.append({'params': get_params(model, [name]), 'lr': factor*args.lr})
else:
sgd_in.append({'params': get_params(model, ["fc_new"]), 'lr': args.lr})
base_lrs = [ group['lr'] for group in sgd_in ]
optimizer = SGD(sgd_in, lr=args.lr, momentum=args.momentum, weight_decay=args.weight_decay)
# Optionally resume from a checkpoint
if args.resume != 'none':
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume)
args.start_epoch = checkpoint['epoch']
best_prec1 = checkpoint['best_prec1']
model.load_state_dict(checkpoint['state_dict'])
print("=> loaded checkpoint '{}' (epoch {})".format(args.resume, checkpoint['epoch']))
else:
print("=ImageClassdata> no checkpoint found at '{}'".format(args.resume))
model = model.cuda()
model_old = None
if args.lwf > 0:
# create a fixed model copy for Life-long learning
model_old = resnet101(pretrained=True)
for param in model_old.parameters():
param.requires_grad = False
model_old.eval()
model_old.cuda()
if args.evaluate:
prec1 = validate(val_loader, model)
print(prec1)
exit(0)
# Main training loop
iter_max = args.epochs * len(train_loader)
iter_stat = IterNums(iter_max)
for epoch in range(args.start_epoch, args.epochs):
print("<< ============== JOB (PID = %d) %s ============== >>"%(PID, args.save_dir))
logger.log("Epoch: %d"%(epoch+1))
# train for one epoch
train(train_loader, model, optimizer, base_lrs, iter_stat, epoch, logger.writer, model_old=model_old, adjust_lr=True)
# evaluate on validation set
prec1 = validate(val_loader, model)
logger.writer.add_scalar("prec", prec1, epoch)
# remember best prec@1 and save checkpoint
is_best = prec1 > best_prec1
best_prec1 = max(prec1, best_prec1)
save_checkpoint(args.save_dir, {
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'best_prec1': best_prec1,
}, is_best)
logging.info('Best accuracy: {prec1:.3f}'.format(prec1=best_prec1))
def main():
args = get_args()
PID = os.getpid()
print("<< ============== JOB (PID = %d) %s ============== >>" %
(PID, args.save_dir))
prepare_seed(args.rand_seed)
if args.timestamp == 'none':
args.timestamp = "{:}".format(
time.strftime('%h-%d-%C_%H-%M-%s', time.gmtime(time.time())))
torch.set_num_threads(1)
# Log outputs
args.save_dir = args.save_dir + \
"/Visda17-L2O.train.Res101-%s-train.%s-LR%.2E-epoch%d-batch%d-seed%d"%(
"LWF" if args.lwf > 0 else "XE", args.train_blocks, args.lr, args.epochs, args.batch_size, args.rand_seed) + \
"%s/%s"%('/'+args.resume if args.resume != 'none' else '', args.timestamp)
logger = prepare_logger(args)
best_prec1 = 0
#### preparation ###########################################
data_transforms = {
'train':
transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
'val':
transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
}
kwargs = {'num_workers': 20, 'pin_memory': True}
trainset = VisDA17(txt_file=os.path.join(args.data,
"train/image_list.txt"),
root_dir=os.path.join(args.data, "train"),
transform=data_transforms['train'])
valset = VisDA17(txt_file=os.path.join(args.data,
"validation/image_list.txt"),
root_dir=os.path.join(args.data, "validation"),
transform=data_transforms['val'],
label_one_hot=True)
train_loader = DataLoader(trainset,
batch_size=args.batch_size,
shuffle=True,
**kwargs)
val_loader = DataLoader(valset,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
train_loader_iter = iter(train_loader)
current_optimizee_step, prev_optimizee_step = 0, 0
model_old = None
if args.lwf > 0:
# create a fixed model copy for Life-long learning
model_old = resnet101(pretrained=True)
for param in model_old.parameters():
param.requires_grad = False
model_old.eval()
model_old.cuda()
############################################################
### Agent Settings ########################################
RANDOM = False # False | True | 'init'
action_space = np.arange(0, 1.1, 0.1)
obs_avg = True
_window_size = 1
window_size = 1 if obs_avg else _window_size
window_shrink_size = 20 # larger: controller will be updated more frequently
sgd_in_names = [
"conv1", "bn1", "layer1", "layer2", "layer3", "layer4", "fc_new"
]
coord_size = len(sgd_in_names)
ob_name_lstm = ["loss", "loss_kl", "step", "fc_mean", "fc_std"]
ob_name_scalar = []
obs_shape = (len(ob_name_lstm) * window_size + len(ob_name_scalar) +
coord_size, )
_hidden_size = 20
hidden_size = _hidden_size * len(ob_name_lstm)
actor_critic = Policy(coord_size,
input_size=(len(ob_name_lstm), len(ob_name_scalar)),
action_space=len(action_space),
hidden_size=_hidden_size,
window_size=window_size)
actor_critic.cuda()
actor_critic.eval()
partial = torch.load(args.agent_load_dir,
map_location=lambda storage, loc: storage)
state = actor_critic.state_dict()
pretrained_dict = {k: v for k, v in partial.items()}
state.update(pretrained_dict)
actor_critic.load_state_dict(state)
################################################################
_min_iter = 10
# reset optmizee
model, optimizer, current_optimizee_step, prev_optimizee_step = prepare_optimizee(
args, sgd_in_names, obs_shape, hidden_size, actor_critic,
current_optimizee_step, prev_optimizee_step)
epoch_size = len(train_loader)
total_steps = epoch_size * args.epochs
bar_format = '{desc}[{elapsed}<{remaining},{rate_fmt}]'
pbar = tqdm(range(int(epoch_size * args.epochs)),
file=sys.stdout,
bar_format=bar_format,
ncols=100)
_window_size = max(
_min_iter,
current_optimizee_step + prev_optimizee_step // window_shrink_size)
train_loader_iter, obs, loss, loss_kl, fc_mean, fc_std = train_step(
args,
_window_size,
train_loader_iter,
train_loader,
model,
optimizer,
obs_avg,
args.lr,
pbar,
current_optimizee_step + prev_optimizee_step,
total_steps,
model_old=model_old)
logger.writer.add_scalar("loss/ce", loss,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar("loss/kl", loss_kl,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar("loss/total", loss + loss_kl,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar("fc/mean", fc_mean,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar("fc/std", fc_std,
current_optimizee_step + prev_optimizee_step)
current_optimizee_step += _window_size
pbar.update(_window_size)
prev_obs = obs.unsqueeze(0)
prev_hidden = torch.zeros(actor_critic.net.num_recurrent_layers, 1,
hidden_size).cuda()
for epoch in range(args.epochs):
print("\n===== Epoch %d / %d =====" % (epoch + 1, args.epochs))
print("<< ============== JOB (PID = %d) %s ============== >>" %
(PID, args.save_dir))
while current_optimizee_step < epoch_size:
# Sample actions
with torch.no_grad():
if not RANDOM:
value, action, action_log_prob, recurrent_hidden_states, distribution = actor_critic.act(
prev_obs, prev_hidden, deterministic=False)
action = action.squeeze()
action_log_prob = action_log_prob.squeeze()
value = value.squeeze()
for idx in range(len(action)):
logger.writer.add_scalar(
"action/%s" % sgd_in_names[idx], action[idx],
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar(
"entropy/%s" % sgd_in_names[idx],
distribution.distributions[idx].entropy(),
current_optimizee_step + prev_optimizee_step)
optimizer.param_groups[idx]['lr'] = float(
action_space[action[idx]]) * args.lr
logger.writer.add_scalar(
"LR/%s" % sgd_in_names[idx],
optimizer.param_groups[idx]['lr'],
current_optimizee_step + prev_optimizee_step)
else:
if RANDOM is True or RANDOM == 'init':
for idx in range(coord_size):
optimizer.param_groups[idx]['lr'] = float(
choice(action_space)) * args.lr
if RANDOM == 'init':
RANDOM = 'done'
for idx in range(coord_size):
logger.writer.add_scalar(
"LR/%s" % sgd_in_names[idx],
optimizer.param_groups[idx]['lr'],
current_optimizee_step + prev_optimizee_step)
# Obser reward and next obs
_window_size = max(
_min_iter, current_optimizee_step +
prev_optimizee_step // window_shrink_size)
_window_size = min(_window_size,
epoch_size - current_optimizee_step)
train_loader_iter, obs, loss, loss_kl, fc_mean, fc_std = train_step(
args,
_window_size,
train_loader_iter,
train_loader,
model,
optimizer,
obs_avg,
args.lr,
pbar,
current_optimizee_step + prev_optimizee_step,
total_steps,
model_old=model_old)
logger.writer.add_scalar(
"loss/ce", loss, current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar(
"loss/kl", loss_kl,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar(
"loss/total", loss + loss_kl,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar(
"fc/mean", fc_mean,
current_optimizee_step + prev_optimizee_step)
logger.writer.add_scalar(
"fc/std", fc_std, current_optimizee_step + prev_optimizee_step)
current_optimizee_step += _window_size
pbar.update(_window_size)
prev_obs = obs.unsqueeze(0)
if not RANDOM: prev_hidden = recurrent_hidden_states
prev_optimizee_step += current_optimizee_step
current_optimizee_step = 0
# evaluate on validation set
prec1 = validate(val_loader, model, args)
logger.writer.add_scalar("prec", prec1, epoch)
# remember best prec@1 and save checkpoint
is_best = prec1 > best_prec1
best_prec1 = max(prec1, best_prec1)
save_checkpoint(
args.save_dir, {
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'best_prec1': best_prec1,
}, is_best)
logging.info('Best accuracy: {prec1:.3f}'.format(prec1=best_prec1))
def main(args):
assert torch.cuda.is_available(), 'CUDA is not available'
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = True
torch.backends.cudnn.deterministic = True
if args.retrain_resume and args.evaluation == False: # if resume from the last retrain
config_file_path = os.path.join(args.resume_file, 'retrain.config')
assert os.path.exists(
config_file_path
), 'cannot find config_file {:} from the last retrain phase'.format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
configs_resume(args, config_dict,
'retrain') # config resume from the last retrain
# get EXP_time in last_retrain for flag
EXP_time_last_retrain = config_dict['path'].split('/')[-1]
Exp_name_last_retrain = config_dict['path'].split('/')[-2]
EXP_time = time_for_file()
args.path = os.path.join(args.path, args.exp_name, EXP_time)
torch.set_num_threads(args.workers)
set_manual_seed(args.random_seed) # from the last retrain.
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
elif args.retrain_resume == False and args.evaluation:
config_file_path = os.path.join(args.evaluation_ckpt, 'retrain.config')
assert os.path.exists(
config_file_path
), 'cannot find config_file {:} from the best checkpoint'.format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
configs_resume(args, config_dict, 'retrain')
EXP_time_best_checkpoint = config_dict['path'].split('/')[-1]
EXP_name_best_checkpoint = config_dict['path'].split('/')[-2]
EXP_time = time_for_file()
args.path = os.path.join(args.path, args.exp_name, EXP_time)
torch.set_num_threads(args.workers)
set_manual_seed(args.random_seed)
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
elif args.retrain_resume == False and args.evaluation == False:
# resume from the searching phrase.
config_file_path = os.path.join(args.checkpoint_file, 'search.config')
assert os.path.exists(
config_file_path
), 'cannot find config_file {:} from the search phase'.format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
args.random_seed = config_dict['random_seed'] # get random_seed
# get EXP_time in search phase, for flag
EXP_time_search = config_dict['path'].split('/')[-1]
EXP_name_search = config_dict['path'].split('/')[-2]
EXP_time = time_for_file()
args.path = os.path.join(args.path, args.exp_name, EXP_time)
torch.set_num_threads(args.workers)
set_manual_seed(
args.random_seed) # from the last retrain phase or search phase.
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
else:
raise NotImplementedError(
'invalid mode retrain_resume {:} open_vis {:}'.format(
args.retrain_resume, args.open_vis))
# optimizer params
if args.weight_optimizer_type == 'SGD':
weight_optimizer_params = {
'momentum': args.momentum,
'nesterov': args.nesterov,
'weight_decay': args.weight_decay,
}
elif args.weight_optimizer_type == 'RMSprop':
weight_optimizer_params = {
'momentum': args.momentum,
'weight_decay': args.weight_decay,
}
else:
weight_optimizer_params = None
# scheduler params
if args.scheduler == 'cosine':
scheduler_params = {'T_max': args.T_max, 'eta_min': args.eta_min}
elif args.scheduler == 'multistep':
scheduler_params = {
'milestones': args.milestones,
'gammas': args.gammas
}
elif args.scheduler == 'exponential':
scheduler_params = {'gamma': args.gamma}
elif args.scheduler == 'linear':
scheduler_params = {'min_lr': args.min_lr}
else:
scheduler_params = None
# criterion params
if args.criterion == 'SmoothSoftmax':
criterion_params = {'label_smooth': args.label_smoothing}
else:
criterion_params = None
args.optimizer_config = {
'optimizer_type': args.weight_optimizer_type,
'optimizer_params': weight_optimizer_params,
'scheduler': args.scheduler,
'scheduler_params': scheduler_params,
'criterion': args.criterion,
'criterion_params': criterion_params,
'init_lr': args.init_lr,
'epochs': args.epochs,
'class_num': args.nb_classes,
}
if args.search_space == 'autodeeplab':
conv_candidates = autodeeplab
elif args.search_space == 'proxyless':
conv_candidates = proxyless
elif args.search_space == 'counter':
conv_candidates = counter
elif args.search_space == 'my_search_space':
conv_candidates = my_search_space
else:
raise ValueError('search_space : {:} is not supported'.format(
args.search_space))
# related to entropy constraint loss
if args.reg_loss_type == 'add#linear':
args.reg_loss_params = {
'lambda1': args.reg_loss_lambda1,
'lambda2': args.reg_loss_lambda2
}
elif args.reg_loss_type == 'add#linear#linearschedule':
args.reg_loss_params = {
'lambda1': args.reg_loss_lambda1,
'lambda2': args.reg_loss_lambda2,
}
elif args.reg_loss_type == 'mul#log':
args.reg_loss_params = {
'alpha': args.reg_loss_alpha,
'beta': args.reg_loss_beta
}
else:
args.reg_loss_params = None
logger = prepare_logger(args)
if args.retrain_resume and args.evaluation == False:
logger.log(
'=> loading configs {:} from the last retrain phase.'.format(
config_file_path), 'info')
elif args.retrain_resume == False and args.evaluation:
logger.log(
'=> loading configs {:} from the best retrain phrase.'.format(
config_file_path), 'info')
elif args.retrain_resume == False and args.evaluation == False:
logger.log(
'=> loading configs {:} from search phrase.'.format(
config_file_path), 'info')
# save new config, and create logger.
save_configs(args.__dict__, args.path, 'retrain')
# create run_config
run_config = RunConfig(**args.__dict__)
# only open_vis in retrain phrase
if args.open_vis:
assert args.evaluation == False, 'invalid mode open_vis {:} and open_test {:}'.format(
args.open_vis, args.evaluation)
vis = visdomer(args.port,
args.server,
args.exp_name,
args.compare_phase,
args.elements,
init_params=None)
else:
vis = None
#print(args.evaluation)
if args.evaluation:
assert os.path.exists(args.evaluation_ckpt
), 'cannot find the best checkpoint {:}'.format(
args.evaluation_ckpt)
checkpoint_path = os.path.join(
args.evaluation_ckpt, 'checkpoints',
'seed-{:}-retrain-best.pth'.format(args.random_seed))
checkpoint = torch.load(checkpoint_path)
actual_path, cell_genotypes = checkpoint['actual_path'], checkpoint[
'cell_genotypes']
#print(actual_path)
#print(cell_genotypes)
'''
my_search_space = [
'3x3_SepFacConv1', '5x5_SepFacConv1',
'3x3_SepFacConv2', '5x5_SepFacConv2',
'3x3_SepFacConv4', '5x5_SepFacConv4',]
'''
# 0:4 1:4 2:5 3:5 4:4 5:2
actual_path = [0, 0, 0, 0, 1, 1, 1, 2, 3, 3, 3, 2]
cell_genotypes = [(0, [[('2<-1', 0), ('2<-0', 3)]]),
(2, [[('2<-1', 4), ('2<-0', 1)]]),
(7, [[('2<-1', 3), ('2<-0', 0)]]),
(15, [[('2<-1', 1), ('2<-0', 2)]]),
(27, [[('2<-1', 4), ('2<-0', 3)]]),
(38, [[('2<-1', 4), ('2<-0', 0)]]),
(48, [[('2<-1', 2), ('2<-0', 5)]]),
(60, [[('2<-1', 0), ('2<-0', 1)]]),
(73, [[('2<-0', 3), ('2<-1', 3)]]),
(84, [[('2<-1', 2), ('2<-0', 1)]]),
(94, [[('2<-1', 4), ('2<-0', 2)]]),
(102, [[('2<-1', 2), ('2<-0', 5)]])]
'''
actual_path = [0, 0, 0, 1, 1, 1, 2, 3, 3, 3, 2, 1]
cell_genotypes = [(0, [[('2<-1', 4), ('2<-0', 5)]]), (2, [[('2<-1', 3), ('2<-0', 1)]]), (7, [[('2<-1', 2), ('2<-0', 5)]]), (17, [[('2<-0',
1), ('2<-1', 1)]]), (28, [[('2<-1', 4), ('2<-0', 1)]]), (38, [[('2<-1', 4), ('2<-0', 2)]]), (50, [[('2<-1', 5), ('2<-0', 1)]]), (63, [[('2<-1', 4), ('2<-0', 2)]]), (74, [[('2<-1', 1), ('2<-0', 0)]]), (84, [[('2<-1', 3), ('2<-0', 1)]]), (92, [[('2<-1', 4), ('2<-0', 5)]]), (99, [[('2<-1', 0), ('2<-0', 3)]])]
'''
normal_network = NewGumbelAutoDeeplab(args.nb_layers,
args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
actual_path,
cell_genotypes,
args.search_space,
affine=True)
# save new config, and create logger.
#save_configs(args.__dict__, args.path, 'retrain')
# create run_config
#run_config = RunConfig(**args.__dict__)
evaluation_run_manager = RunManager(args.path,
normal_network,
logger,
run_config,
vis,
out_log=True)
normal_network.load_state_dict(checkpoint['state_dict'])
display_all_families_information(args, 'retrain',
evaluation_run_manager, logger)
logger.log(
'=> loaded the best checkpoint from {:}, start evaluation'.format(
checkpoint_path), 'info')
evaluation_run_manager.validate(is_test=True, use_train_mode=False)
else:
# resume from the last retrain
if args.retrain_resume:
logger.log(
'=> Loading checkpoint from {:} of the last retrain phase'.
format(args.resume_file),
mode='info')
# checkpoint_file from the last retrain phase.
checkpoint_path = os.path.join(
args.resume_file, 'checkpoints',
'seed-{:}-retrain.pth'.format(args.random_seed))
assert os.path.exists(
checkpoint_path
), 'cannot find retrain checkpoint file {:}'.format(
checkpoint_path)
checkpoint = torch.load(checkpoint_path)
actual_path, cell_genotypes = checkpoint[
'actual_path'], checkpoint['cell_genotypes']
args.actual_path = actual_path
args.cell_genotypes = cell_genotypes
normal_network = NewGumbelAutoDeeplab(args.nb_layers,
args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
actual_path,
cell_genotypes,
args.search_space,
affine=True)
flop, param = get_model_infos(normal_network, [1, 3, 512, 512])
logger.log(
'|#################### Network Info ####################|\n'
'FLOPs:{:.2f} M, Params:{:.2f} MB'.format(flop, param),
mode='info')
# save new config, and create logger.
#save_configs(args.__dict__, args.path, 'retrain')
# create run_config
#run_config = RunConfig(**args.__dict__)
retrain_run_manager = RunManager(args.path,
normal_network,
logger,
run_config,
vis,
out_log=True)
normal_network.load_state_dict(checkpoint['state_dict'])
display_all_families_information(args, 'retrain',
retrain_run_manager, logger)
retrain_run_manager.optimizer.load_state_dict(
checkpoint['weight_optimizer'])
retrain_run_manager.scheduler.load_state_dict(
checkpoint['scheduler'])
retrain_run_manager.monitor_metric = checkpoint['best_monitor'][0]
retrain_run_manager.best_monitor = checkpoint['best_monitor'][1]
retrain_run_manager.start_epoch = checkpoint[
'start_epoch'] # has +1
logger.log(
'=> loaded checkpoint file {:} from the last retrain phase, starts with {:}-th epoch'
.format(checkpoint_path, checkpoint['start_epoch']),
mode='info')
else:
# from search phrase, load the optimal architecture and perform retrain.
arch_checkpoint_path = os.path.join(
args.checkpoint_file, 'checkpoints',
'seed-{:}-arch-best.pth'.format(args.random_seed))
# TODO, the best epoch has gotten in advance.
#checkpoint_path = os.path.join(args.checkpoint_file, 'checkpoints', 'seed-{:}-search-best.pth'.format(args.random_seed))
#tmp_checkpoint = torch.load(checkpoint_path)
#best_epoch = tmp_checkpoint['start_epochs'] - 1
#logger.log('=> best epochs: {:}'.format(best_epoch), mode='info') # get the best_epoch
assert os.path.exists(
arch_checkpoint_path
), 'cannot find arch_checkpoint file {:} from search phase'.format(
arch_checkpoint_path)
checkpoint = torch.load(arch_checkpoint_path)
actual_path, cell_genotypes = checkpoint[
'actual_path'], checkpoint['cell_genotypes']
new_genotypes = []
for _index, genotype in cell_genotypes:
xlist = []
for edge_genotype in genotype:
for (node_str, select_index) in edge_genotype:
xlist.append((node_str, conv_candidates[select_index]))
new_genotypes.append((_index, xlist))
log_str = 'Obtained actual_path and cell_genotypes:\n' \
'Actual_path: {:}\n' \
'Genotype:\n'.format(actual_path)
for _index, genotype in new_genotypes:
log_str += 'index: {:} arch: {:}\n'.format(_index, genotype)
logger.log(log_str, mode='info')
args.actual_path = actual_path
args.cell_genotypes = cell_genotypes
normal_network = NewGumbelAutoDeeplab(args.nb_layers,
args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
actual_path,
cell_genotypes,
args.search_space,
affine=True)
flop, param = get_model_infos(normal_network, [1, 3, 512, 512])
logger.log(
'|#################### Network Info ####################|\n'
'FLOPs:{:.2f} M, Params:{:.2f} MB'.format(flop, param),
mode='info')
# save new config, and create logger.
#save_configs(args.__dict__, args.path, 'retrain')
# create run_config
#run_config = RunConfig(**args.__dict__)
retrain_run_manager = RunManager(args.path,
normal_network,
logger,
run_config,
vis,
out_log=True)
#normal_network.load_state_dict(checkpoint['state_dict'])
display_all_families_information(args, 'retrain',
retrain_run_manager, logger)
logger.log(
'=> Construct NewGumbelAutoDeeplab according to the last-arch obtained from search phase',
mode='info')
# perform train and validation in train() method
retrain_run_manager.train()
logger.close()
def main(args):
assert torch.cuda.is_available(), 'CUDA is not available'
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = True
torch.backends.cudnn.deterministic = True
if args.retrain_resume:
config_file_path = os.path.join(args.resume_file, 'retrain.config')
assert os.path.exists(
config_file_path
), 'cannot find config_file {:} from the last retrain phase'.format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
configs_resume(args, config_dict, 'retrain')
# get EXP_time in last_retrain for flag
EXP_time_last_retrain = config_dict['path'].split('/')[-1]
EXP_time = time_for_file()
args.path = os.path.join(
args.path, args.exp_name,
EXP_time + '-resume-{:}'.format(EXP_time_last_retrain))
torch.set_num_threads(args.workers)
set_manual_seed(
args.random_seed) # from the last retrain phase or search phase.
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save=glob.glob('./*/*.py'))
save_configs(args.__dict__, args.path, 'retrain')
logger = prepare_logger(args)
logger.log(
'=> loading configs {:} from the last retrain phase.'.format(
config_file_path),
mode='info')
if args.search_space == 'autodeeplab':
conv_candidates = autodeeplab
elif args.search_space == 'proxyless':
conv_candidates = proxyless
elif args.search_space == 'my_search_space':
conv_candidates = my_search_space
else:
raise ValueError('search space {:} is not supported'.format(
args.search_space))
else:
# resume partial configs setting and arch_checkpoint from the search phase by default.
config_file_path = os.path.join(args.checkpoint_file, 'search.config')
assert os.path.exists(
config_file_path
), 'cannot find config_file {:} from the search phase'.format(
config_file_path)
f = open(config_file_path, 'r')
config_dict = json.load(f)
f.close()
args.random_seed = config_dict['random_seed']
# get EXP_time in search phase, for flag
EXP_time_search = config_dict['path'].split('/')[-1]
EXP_time = time_for_file()
args.path = os.path.join(
args.path, args.exp_name,
EXP_time + '-resume-{:}'.format(EXP_time_search))
torch.set_num_threads(args.workers)
set_manual_seed(
args.random_seed) # from the last retrain phase or search phase.
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save=glob.glob('./*/*.py'))
save_configs(args.__dict__, args.path, 'retrain')
logger = prepare_logger(args)
logger.log(
'=> starting retrain from the search phase config {:}.'.format(
config_file_path),
mode='info')
# optimizer params
if args.weight_optimizer_type == 'SGD':
weight_optimizer_params = {
'momentum': args.momentum,
'nesterov': args.nesterov,
'weight_decay': args.weight_decay,
}
elif args.weight_optimizer_type == 'RMSprop':
weight_optimizer_params = {
'momentum': args.momentum,
'weight_decay': args.weight_decay,
}
else:
weight_optimizer_params = None
# scheduler params
if args.scheduler == 'cosine':
scheduler_params = {'T_max': args.T_max, 'eta_min': args.eta_min}
elif args.scheduler == 'multistep':
scheduler_params = {
'milestones': args.milestones,
'gammas': args.gammas
}
elif args.scheduler == 'exponential':
scheduler_params = {'gamma': args.gamma}
elif args.scheduler == 'linear':
scheduler_params = {'min_lr': args.min_lr}
else:
scheduler_params = None
# criterion params
if args.criterion == 'SmoothSoftmax':
criterion_params = {'label_smooth': args.label_smoothing}
else:
criterion_params = None
args.optimizer_config = {
'optimizer_type': args.weight_optimizer_type,
'optimizer_params': weight_optimizer_params,
'scheduler': args.scheduler,
'scheduler_params': scheduler_params,
'criterion': args.criterion,
'criterion_params': criterion_params,
'init_lr': args.init_lr,
'epochs': args.epochs,
'class_num': args.nb_classes,
}
if args.search_space == 'autodeeplab':
conv_candidates = autodeeplab
elif args.search_space == 'proxyless':
conv_candidates = proxyless
elif args.search_space == 'counter':
conv_candidates = counter
elif args.search_space == 'my_search_space':
conv_candidates = my_search_space
else:
raise ValueError('search_space : {:} is not supported'.format(
args.search_space))
# related to entropy constraint loss
if args.reg_loss_type == 'add#linear':
args.reg_loss_params = {'lambda': args.reg_loss_lambda}
elif args.reg_loss_type == 'mul#log':
args.reg_loss_params = {
'alpha': args.reg_loss_alpha,
'beta': args.reg_loss_beta
}
else:
args.reg_loss_params = None
# create run_config
run_config = RunConfig(**args.__dict__)
#if args.open_test == False: # retrain and validate
if args.open_vis: # only open_vis in re-train phase, rather than both re-train and test.
vis = visdomer(args.port,
args.server,
args.exp_name,
args.compare_phase,
args.elements,
init_params=None)
else:
vis = None
if args.retrain_resume:
logger.log(
'=> Loading checkpoint from {:} of the last retrain phase'.format(
args.resume_file),
mode='info')
# checkpoint_file from the last retrain phase.
checkpoint_path = os.path.join(
args.resume_file, 'checkpoints',
'seed-{:}-retrain.pth'.format(args.random_seed))
assert os.path.exists(
checkpoint_path), 'cannot find retrain checkpoint file {:}'.format(
checkpoint_path)
checkpoint = torch.load(checkpoint_path)
actual_path, cell_genotypes = checkpoint['actual_path'], checkpoint[
'cell_genotypes']
args.actual_path = actual_path
args.cell_genotypes = cell_genotypes
normal_network = NewGumbelAutoDeeplab(args.nb_layers,
args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
actual_path,
cell_genotypes,
args.search_space,
affine=True)
retrain_run_manager = RunManager(args.path,
normal_network,
logger,
run_config,
vis,
out_log=True)
normal_network.load_state_dict(checkpoint['state_dict'])
display_all_families_information(args, 'retrain', retrain_run_manager,
logger)
retrain_run_manager.optimizer.load_state_dict(
checkpoint['weight_optimizer'])
retrain_run_manager.scheduler.load_state_dict(checkpoint['scheduler'])
retrain_run_manager.monitor_metric = checkpoint['best_monitor'][0]
retrain_run_manager.best_monitor = checkpoint['best_monitor'][1]
retrain_run_manager.start_epoch = checkpoint['start_epoch']
logger.log(
'=> loaded checkpoint file {:} from the last retrain phase, starts with {:}-th epoch'
.format(checkpoint_path, checkpoint['start_epoch']),
mode='info')
else:
# todo from the search phase, read the last arch_checkpoint, rather than the best one.
arch_checkpoint_path = os.path.join(
args.checkpoint_file, 'checkpoints',
'seed-{:}-arch.pth'.format(args.random_seed))
assert os.path.exists(
arch_checkpoint_path
), 'cannot find arch_checkpoint file {:} from search phase'.format(
arch_checkpoint_path)
checkpoint = torch.load(arch_checkpoint_path)
actual_path, cell_genotypes = checkpoint['actual_path'], checkpoint[
'cell_genotypes']
new_genotypes = []
for _index, genotype in cell_genotypes:
xlist = []
for edge_genotype in genotype:
for (node_str, select_index) in edge_genotype:
xlist.append((node_str, conv_candidates[select_index]))
new_genotypes.append((_index, xlist))
log_str = 'Obtained actual_path and cell_genotypes:\n' \
'Actual_path: {:}\n' \
'Genotype:\n'.format(actual_path)
for _index, genotype in new_genotypes:
log_str += 'index: {:} arch: {:}\n'.format(_index, genotype)
logger.log(log_str, mode='info')
args.actual_path = actual_path
args.cell_genotypes = cell_genotypes
normal_network = NewGumbelAutoDeeplab(args.nb_layers,
args.filter_multiplier,
args.block_multiplier,
args.steps,
args.nb_classes,
actual_path,
cell_genotypes,
args.search_space,
affine=True)
retrain_run_manager = RunManager(args.path,
normal_network,
logger,
run_config,
vis,
out_log=True)
#normal_network.load_state_dict(checkpoint['state_dict'])
display_all_families_information(args, 'retrain', retrain_run_manager,
logger)
logger.log(
'=> Construct NewGumbelAutoDeeplab according to the last-arch obtained from search phase',
mode='info')
# perform train and validation in train() method
retrain_run_manager.train()
'''
else: # test phase
checkpoint_path = os.path.join(args.resume_file, 'checkpoints', 'seed-{:}-retrain-best.pth'.format(args.random_seed))
assert os.path.exists(checkpoint_path), 'cannot find best checkpoint {:} from the retrain phase'.format(checkpoint_path)
checkpoint = torch.load(checkpoint_path)
actual_path, cell_genotypes = checkpoint['actual_path'], checkpoint['cell_genotypes']
normal_network = NewGumbelAutoDeeplab(args.nb_layers, args.filter_multiplier, args.block_multiplier,
args.steps, args.nb_classes, actual_path, cell_genotypes, args.search_space, affine=True)
normal_network.load_state_dict(checkpoint['state_dict'])
test_manager = RunManager(args.path, normal_network, logger, run_config, vis=None, out_log=True)
display_all_families_information(args, 'retrain', test_manager, logger)
# save testing configs
save_configs(args.__dict__, args.path, 'test')
test_manager.validate(epoch=None, is_test= True, use_train_mode = False)
'''
logger.close()
def main():
global args, best_mIoU
PID = os.getpid()
args = parser.parse_args()
prepare_seed(args.rand_seed)
device = torch.device("cuda:" + str(args.gpus))
if args.timestamp == 'none':
args.timestamp = "{:}".format(
time.strftime('%h-%d-%C_%H-%M-%s', time.gmtime(time.time())))
switch_model = args.switch_model
assert switch_model in ["deeplab50", "deeplab101"]
# Log outputs
if args.evaluate:
args.save_dir = args.save_dir + "/GTA5-%s-evaluate"%switch_model + \
"%s/%s"%('/'+args.resume if args.resume != 'none' else '', args.timestamp)
else:
args.save_dir = args.save_dir + \
"/GTA5_512x512-{model}-LWF.stg{csg_stages}.w{csg_weight}-APool.{apool}-Aug.{augment}-chunk{chunks}-mlp{mlp}.K{csg_k}-LR{lr}.bone{factor}-epoch{epochs}-batch{batch_size}-seed{seed}".format(
model=switch_model,
csg_stages=args.csg_stages,
mlp=args.mlp,
csg_weight=args.csg,
apool=args.apool,
augment=args.augment,
chunks=args.chunks,
csg_k=args.csg_k,
lr="%.2E"%args.lr,
factor="%.1f"%args.factor,
epochs=args.epochs,
batch_size=args.batch_size,
seed=args.rand_seed
) + \
"%s/%s"%('/'+args.resume if args.resume != 'none' else '', args.timestamp)
logger = prepare_logger(args)
from config_seg import config as data_setting
data_setting.batch_size = args.batch_size
train_loader = get_train_loader(data_setting,
GTA5,
test=False,
augment=args.augment)
args.stages = [int(stage) for stage in args.csg_stages.split('.')
] if len(args.csg_stages) > 0 else []
chunks = [int(chunk) for chunk in args.chunks.split('.')
] if len(args.chunks) > 0 else []
assert len(chunks) == 1 or len(chunks) == len(args.stages)
if len(chunks) < len(args.stages):
chunks = [chunks[0]] * len(args.stages)
if switch_model == 'deeplab50':
layers = [3, 4, 6, 3]
elif switch_model == 'deeplab101':
layers = [3, 4, 23, 3]
model = csg_builder.CSG(deeplab,
get_head=None,
K=args.csg_k,
stages=args.stages,
chunks=chunks,
task='new-seg',
apool=args.apool,
mlp=args.mlp,
base_encoder_kwargs={
'num_seg_classes': args.num_classes,
'layers': layers
})
threds = 3
evaluator = SegEvaluator(
Cityscapes(data_setting, 'val', None),
args.num_classes,
np.array([0.485, 0.456, 0.406]),
np.array([0.229, 0.224, 0.225]),
model.encoder_q, [
1,
],
False,
devices=args.gpus,
config=data_setting,
threds=threds,
verbose=False,
save_path=None,
show_image=False
) # just calculate mIoU, no prediction file is generated
# verbose=False, save_path="./prediction_files", show_image=True, show_prediction=True) # generate prediction files
# Setup optimizer
factor = args.factor
sgd_in = [
{
'params': get_params(model.encoder_q, ["conv1"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["bn1"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["layer1"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["layer2"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["layer3"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["layer4"]),
'lr': factor * args.lr
},
{
'params': get_params(model.encoder_q, ["fc_new"]),
'lr': args.lr
},
]
base_lrs = [group['lr'] for group in sgd_in]
optimizer = SGD(sgd_in,
lr=args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
# Optionally resume from a checkpoint
if args.resume != 'none':
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume,
map_location=lambda storage, loc: storage)
args.start_epoch = checkpoint['epoch']
best_mIoU = checkpoint['best_mIoU']
msg = model.load_state_dict(checkpoint['state_dict'])
print("resume weights: ", msg)
print("=> loaded checkpoint '{}' (epoch {})".format(
args.resume, checkpoint['epoch']))
else:
print("=ImageClassdata> no checkpoint found at '{}'".format(
args.resume))
model = model.to(device)
if args.evaluate:
mIoU = validate(evaluator, model, -1)
print(mIoU)
exit(0)
# Main training loop
iter_max = args.epochs * len(train_loader)
iter_stat = IterNums(iter_max)
for epoch in range(args.start_epoch, args.epochs):
print("<< ============== JOB (PID = %d) %s ============== >>" %
(PID, args.save_dir))
logger.log("Epoch: %d" % (epoch + 1))
# train for one epoch
train(args,
train_loader,
model,
optimizer,
base_lrs,
iter_stat,
epoch,
logger,
device,
adjust_lr=epoch < args.epochs)
# evaluate on validation set
torch.cuda.empty_cache()
mIoU = validate(evaluator, model, epoch)
logger.writer.add_scalar("mIoU", mIoU, epoch + 1)
logger.log("mIoU: %f" % mIoU)
# remember best mIoU and save checkpoint
is_best = mIoU > best_mIoU
best_mIoU = max(mIoU, best_mIoU)
save_checkpoint(
args.save_dir, {
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'best_mIoU': best_mIoU,
}, is_best)
logging.info('Best accuracy: {mIoU:.3f}'.format(mIoU=best_mIoU))
def main():
global args, best_prec1
PID = os.getpid()
args = parser.parse_args()
prepare_seed(args.rand_seed)
if args.timestamp == 'none':
args.timestamp = "{:}".format(
time.strftime('%h-%d-%C_%H-%M-%s', time.gmtime(time.time())))
# Log outputs
if args.evaluate:
args.save_dir = args.save_dir + "/Visda17-Res101-evaluate" + \
"%s/%s"%('/'+args.resume.replace('/', '+') if args.resume != 'none' else '', args.timestamp)
else:
args.save_dir = args.save_dir + \
"/VisDA-Res101-CSG.stg{csg_stages}.w{csg_weight}-APool.{apool}-Aug.{augment}-chunk{chunks}-mlp{mlp}.K{csg_k}-LR{lr}.bone{factor}-epoch{epochs}-batch{batch_size}-seed{seed}".format(
csg_stages=args.csg_stages,
mlp=args.mlp,
csg_weight=args.csg,
apool=args.apool,
augment=args.augment,
chunks=args.chunks,
csg_k=args.csg_k,
lr="%.2E"%args.lr,
factor="%.1f"%args.factor,
epochs=args.epochs,
batch_size=args.batch_size,
seed=args.rand_seed
) + \
"%s/%s"%('/'+args.resume.replace('/', '+') if args.resume != 'none' else '', args.timestamp)
logger = prepare_logger(args)
data_transforms = {
'val':
transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
}
if args.augment:
data_transforms['train'] = transforms.Compose([
RandAugment(1, 6., augment_list),
transforms.Resize(224),
transforms.RandomCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
else:
data_transforms['train'] = transforms.Compose([
transforms.Resize(224),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
kwargs = {'num_workers': 20, 'pin_memory': True}
if args.augment:
# two source
trainset = VisDA17(txt_file=os.path.join(args.data,
"train/image_list.txt"),
root_dir=os.path.join(args.data, "train"),
transform=TwoCropsTransform(
data_transforms['train'],
data_transforms['train']))
else:
# one source
trainset = VisDA17(txt_file=os.path.join(args.data,
"train/image_list.txt"),
root_dir=os.path.join(args.data, "train"),
transform=data_transforms['train'])
train_loader = DataLoader(trainset,
batch_size=args.batch_size,
shuffle=True,
drop_last=True,
**kwargs)
valset = VisDA17(txt_file=os.path.join(args.data,
"validation/image_list.txt"),
root_dir=os.path.join(args.data, "validation"),
transform=data_transforms['val'],
label_one_hot=True)
val_loader = DataLoader(valset,
batch_size=args.batch_size,
shuffle=False,
**kwargs)
args.stages = [int(stage) for stage in args.csg_stages.split('.')
] if len(args.csg_stages) > 0 else []
chunks = [int(chunk) for chunk in args.chunks.split('.')
] if len(args.chunks) > 0 else []
assert len(chunks) == 1 or len(chunks) == len(args.stages)
if len(chunks) < len(args.stages):
chunks = [chunks[0]] * len(args.stages)
def get_head(num_ftrs, num_classes):
_dim = 512
return nn.Sequential(
nn.Linear(num_ftrs, _dim),
nn.ReLU(inplace=False),
nn.Linear(_dim, num_classes),
)
model = csg_builder.CSG(
resnet101,
get_head=get_head,
K=args.csg_k,
stages=args.stages,
chunks=chunks,
apool=args.apool,
mlp=args.mlp,
)
train_blocks = "conv1.bn1.layer1.layer2.layer3.layer4.fc"
train_blocks = train_blocks.split('.')
# Setup optimizer
factor = args.factor
sgd_in = []
for name in train_blocks:
if name != 'fc':
sgd_in.append({
'params': get_params(model.encoder_q, [name]),
'lr': factor * args.lr
})
else:
# no update to fc but to fc_new
sgd_in.append({
'params': get_params(model.encoder_q, ["fc_new"]),
'lr': args.lr
})
if model.mlp:
sgd_in.append({
'params': get_params(model.encoder_q, ["fc_csg"]),
'lr': args.lr
})
base_lrs = [group['lr'] for group in sgd_in]
optimizer = SGD(sgd_in,
lr=args.lr,
momentum=args.momentum,
weight_decay=args.weight_decay)
# Optionally resume from a checkpoint
if args.resume != 'none':
if os.path.isfile(args.resume):
print("=> loading checkpoint '{}'".format(args.resume))
checkpoint = torch.load(args.resume,
map_location=lambda storage, loc: storage)
args.start_epoch = checkpoint['epoch']
best_prec1 = checkpoint['best_prec1']
msg = model.load_state_dict(checkpoint['state_dict'], strict=False)
print("resume weights: ", msg)
print("=> loaded checkpoint '{}' (epoch {})".format(
args.resume, checkpoint['epoch']))
else:
print("=ImageClassdata> no checkpoint found at '{}'".format(
args.resume))
model = model.cuda()
if args.evaluate:
prec1 = validate(val_loader, model, args, 0)
print(prec1)
exit(0)
# Main training loop
iter_max = args.epochs * len(train_loader)
iter_stat = IterNums(iter_max)
for epoch in range(args.start_epoch, args.epochs):
print("<< ============== JOB (PID = %d) %s ============== >>" %
(PID, args.save_dir))
logger.log("Epoch: %d" % (epoch + 1))
train(train_loader,
model,
optimizer,
base_lrs,
iter_stat,
epoch,
logger,
args,
adjust_lr=epoch < args.epochs)
prec1 = validate(val_loader, model, args, epoch)
logger.writer.add_scalar("prec", prec1, epoch + 1)
logger.log("prec: %f" % prec1)
# remember best prec@1 and save checkpoint
is_best = prec1 > best_prec1
best_prec1 = max(prec1, best_prec1)
save_checkpoint(args.save_dir, {
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'best_prec1': best_prec1,
},
is_best,
keep_last=1)
logging.info('Best accuracy: {prec1:.3f}'.format(prec1=best_prec1))
def main(args):
assert torch.cuda.is_available(), 'CUDA is not available'
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = False
torch.backends.cudnn.deterministic = True
torch.set_num_threads(args.workers)
set_manual_seed(args.random_seed)
#print_experiment_environment()
EXP_time = time_for_file()
args.path = os.path.join(args.path, args.exp_name, EXP_time)
os.makedirs(args.path, exist_ok=True)
create_exp_dir(args.path, scripts_to_save='../Efficient_AutoDeeplab')
# weight optimizer config, related to network_weight_optimizer, scheduler, and criterion
if args.weight_optimizer_type == 'SGD':
weight_optimizer_params = {
'momentum': args.momentum,
'nesterov': args.nesterov,
'weight_decay': args.weight_decay,
}
elif args.weight_optimizer_type == 'RMSprop':
weight_optimizer_params = {
'momentum': args.momentum,
'weight_decay': args.weight_decay,
}
else:
weight_optimizer_params = None
if args.scheduler == 'cosine':
scheduler_params = {'T_max': args.T_max, 'eta_min': args.eta_min}
elif args.scheduler == 'multistep':
scheduler_params = {
'milestones': args.milestones,
'gammas': args.gammas
}
elif args.scheduler == 'exponential':
scheduler_params = {'gamma': args.gamma}
elif args.scheduler == 'linear':
scheduler_params = {'min_lr': args.min_lr}
else:
scheduler_params = None
if args.criterion == 'SmoothSoftmax':
criterion_params = {'label_smooth': args.label_smoothing}
else:
criterion_params = None
# weight_optimizer_config, used in run_manager to get weight_optimizer, scheduler, and criterion.
args.optimizer_config = {
'optimizer_type': args.weight_optimizer_type,
'optimizer_params': weight_optimizer_params,
'scheduler': args.scheduler,
'scheduler_params': scheduler_params,
'criterion': args.criterion,
'criterion_params': criterion_params,
'init_lr': args.init_lr,
'warmup_epoch': args.warmup_epochs,
'epochs': args.epochs,
'class_num': args.nb_classes,
}
# TODO need modification, not need in counter_network
args.conv_candidates = [
'3x3_MBConv3',
'3x3_MBConv6',
'5x5_MBConv3',
'5x5_MBConv6',
'7x7_MBConv3',
'7x7_MBConv6',
'Zero', #'Identity'
]
run_config = RunConfig(**args.__dict__)
# arch_optimizer_config
if args.arch_optimizer_type == 'adam':
args.arch_optimizer_params = {
'betas': (args.arch_adam_beta1, args.arch_adam_beta2),
'eps': args.arch_adam_eps
}
else:
args.arch_optimizer_params = None
# related to hardware constraint
# TODO: get rid of
if args.reg_loss_type == 'add#linear':
args.reg_loss_params = {'lambda': args.reg_loss_lambda}
elif args.reg_loss_type == 'mul#log':
args.reg_loss_params = {
'alpha': args.reg_loss_alpha,
'beta': args.reg_loss_beta
}
else:
args.reg_loss_params = None
arch_search_config = ArchSearchConfig(**args.__dict__)
# perform config save, for run_configs and arch_search_configs
save_configs(run_config.config, arch_search_config.config, args.path,
'search')
logger = prepare_logger(args)
if args.open_vis:
vis = visdomer(args.port,
args.server,
args.exp_name,
args.compare_phase,
args.elements,
init_params=None)
else:
vis = None
'''
super_network = GumbelAutoDeepLab(
args.filter_multiplier, args.block_multiplier, args.steps,
args.nb_classes, args.nb_layers, args.bn_momentum, args.bn_eps, args.conv_candidates, logger
)
'''
super_network = CounterMBConvNet(2, search_space=args.search_space)
train_manager = RunManager(args.path,
super_network,
logger,
run_config,
vis=vis,
out_log=True)
# train search phase
train_manager.train()
logger.close()