def main_merge():
global args, best_corr
args.store_name = '{}_merged'.format(args.model)
args.store_name = args.store_name + datetime.now().strftime('_%m-%d_%H-%M')
args.start_epoch = 0
check_rootfolders(args)
model = Baseline(args.img_feat_size, args.au_feat_size)
model = torch.nn.DataParallel(model).cuda()
optimizer = torch.optim.Adam(model.parameters(), lr=args.learning_rate)
if args.use_multistep:
scheduler = torch.optim.lr_scheduler.MultiStepLR(
optimizer, args.step_milestones, args.step_decay)
# ckpt structure {epoch, state_dict, optimizer, best_corr}
if args.resume and os.path.isfile(args.resume):
print('Load checkpoint:', args.resume)
ckpt = torch.load(args.resume)
args.start_epoch = ckpt['epoch']
best_corr = ckpt['best_corr']
model.load_state_dict(ckpt['state_dict'])
optimizer.load_state_dict(ckpt['optimizer'])
print('Loaded ckpt at epoch:', args.start_epoch)
# initialize datasets
train_loader = torch.utils.data.DataLoader(dataset=EEV_Dataset(
csv_path=[args.train_csv, args.val_csv],
vidmap_path=[args.train_vidmap, args.val_vidmap],
image_feat_path=args.image_features,
audio_feat_path=args.audio_features,
mode='merge'),
batch_size=args.batch_size,
shuffle=True,
num_workers=args.workers,
pin_memory=False,
drop_last=True)
log_training = open(
os.path.join(args.root_log, args.store_name, 'log.csv'), 'w')
with open(os.path.join(args.root_log, args.store_name, 'args.txt'),
'w') as f:
f.write(str(args))
tb_writer = SummaryWriter(
log_dir=os.path.join(args.root_log, args.store_name))
for epoch in range(args.start_epoch, args.epochs):
train(train_loader, model, optimizer, epoch, log_training, tb_writer)
save_checkpoint(
{
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'best_corr': 0.0,
}, False)
if args.use_multistep:
scheduler.step()
def train():
# Prepare gym
env = create_env()
h, w, c = env.observation_space.shape
# Prepare models
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model_dir, fn = "./policy_grad", '{}.pth'
model = Baseline(h, w).to(device)
model.train()
optimizer = optim.RMSprop(model.parameters(),
lr=LEARN_RATE,
weight_decay=WEIGHT_DECAY)
# Train
steps_done = 0
num_episodes = 2000
episode_rewards = []
for i_episode in tqdm(range(num_episodes)):
# Complete 1 episode
print("Episode {}".format(i_episode + 1))
i_rewards, i_states, i_actions, steps_done = generate_episode(
env, model, device, steps_done, episode_rewards)
# Update model
optimize_model(device, model, optimizer, i_rewards, i_actions,
i_states)
# Save model every couple episodes
if (i_episode + 1) % SAVE_EPI == 0:
path = os.path.join(model_dir, fn.format(episode_rewards[-1]))
torch.save(model.state_dict(), path)
print('Complete')
np.save('./rewards_policy_grad.npy', episode_rewards)
env.close()
plt.ioff()
plt.show()
def main_train(config, checkpoint_dir=None):
global args, best_corr
best_corr = 0.0
args.store_name = '{}'.format(args.model)
args.store_name = args.store_name + datetime.now().strftime('_%m-%d_%H-%M-%S')
args.start_epoch = 0
# check_rootfolders(args)
if args.model == 'Baseline':
model = Baseline()
elif args.model == 'TCFPN':
model = TCFPN(layers=[48, 64, 96], in_channels=(2048 + 128), num_classes=15, kernel_size=11)
model = torch.nn.DataParallel(model).cuda()
if config['optimizer'] == 'adam':
optimizer = torch.optim.Adam(model.parameters(), lr=args.learning_rate)
elif config['optimizer'] == 'adamw':
optimizer = torch.optim.AdamW(model.parameters(), lr=config['lr'])
# custom optimizer
if args.use_sam:
base_optim = torch.optim.Adam
optimizer = SAM(model.parameters(), base_optim, lr=config['lr'])
# custom lr scheduler
if args.use_cos_wr:
scheduler = torch.optim.lr_scheduler.CosineAnnealingWarmRestarts(optimizer, T_0=args.cos_wr_t0,T_mult=args.cos_wr_t_mult)
elif args.use_cos:
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(optimizer, args.cos_t_max)
# SWA
if args.use_swa:
swa_model = torch.optim.swa_utils.AveragedModel(model)
swa_scheduler = torch.optim.swa_utils.SWALR(optimizer, swa_lr=config['lr'])
# ckpt structure {epoch, state_dict, optimizer, best_corr}
# if args.resume and os.path.isfile(args.resume):
# print('Load checkpoint:', args.resume)
# ckpt = torch.load(args.resume)
# args.start_epoch = ckpt['epoch']
# best_corr = ckpt['best_corr']
# model.load_state_dict(ckpt['state_dict'])
# optimizer.load_state_dict(ckpt['optimizer'])
# print('Loaded ckpt at epoch:', args.start_epoch)
if checkpoint_dir:
model_state, optimizer_state = torch.load(
os.path.join(checkpoint_dir, "checkpoint"))
model.load_state_dict(model_state)
optimizer.load_state_dict(optimizer_state)
# initialize datasets
train_loader = torch.utils.data.DataLoader(
dataset=EEV_Dataset(
csv_path=args.train_csv,
vidmap_path=args.train_vidmap,
image_feat_path=args.image_features,
audio_feat_path=args.audio_features,
mode='train', lpfilter=args.lp_filter
),
batch_size=config['batch_size'], shuffle=True,
num_workers=args.workers, pin_memory=False,
drop_last=True
)
val_loader = torch.utils.data.DataLoader(
dataset=EEV_Dataset(
csv_path=args.val_csv,
vidmap_path=args.val_vidmap,
image_feat_path=args.image_features,
audio_feat_path=args.audio_features,
mode='val'
),
batch_size=None, shuffle=False,
num_workers=args.workers, pin_memory=False
)
accuracy = correlation
# with open(os.path.join(args.root_log, args.store_name, 'args.txt'), 'w') as f:
# f.write(str(args))
# tb_writer = SummaryWriter(log_dir=os.path.join(args.root_log, args.store_name))
for epoch in range(args.start_epoch, args.epochs):
# train
train(train_loader, model, optimizer, epoch, None, None)
# do lr scheduling after epoch
if args.use_swa and epoch >= args.swa_start:
print('swa stepping...')
swa_model.update_parameters(model)
swa_scheduler.step()
elif args.use_cos_wr:
print('cos warm restart (T0:{} Tm:{}) stepping...'.format(args.cos_wr_t0, args.cos_wr_t_mult))
scheduler.step()
elif args.use_cos:
print('cos (Tmax:{}) stepping...'.format(args.cos_t_max))
scheduler.step()
# validate
if args.use_swa and epoch >= args.swa_start:
# validate use swa model
corr, loss = validate(val_loader, swa_model, accuracy, epoch, None, None)
else:
corr, loss = validate(val_loader, model, accuracy, epoch, None, None)
is_best = corr > best_corr
best_corr = max(corr, best_corr)
# tb_writer.add_scalar('acc/validate_corr_best', best_corr, epoch)
# output_best = 'Best corr: %.4f\n' % (best_corr)
# print(output_best)
# save_checkpoint({
# 'epoch': epoch + 1,
# 'state_dict': model.state_dict(),
# 'optimizer': optimizer.state_dict(),
# 'best_corr': best_corr,
# }, is_best)
with tune.checkpoint_dir(epoch) as checkpoint_dir:
path = os.path.join(checkpoint_dir, "checkpoint")
if is_best:
path = os.path.join(checkpoint_dir, "checkpoint_best")
torch.save((model.state_dict(), optimizer.state_dict()), path)
tune.report(loss=loss, accuracy=corr, best_corr=best_corr)
def main_train():
global args, best_corr
args.store_name = '{}'.format(args.model)
args.store_name = args.store_name + datetime.now().strftime(
'_%m-%d_%H-%M-%S')
args.start_epoch = 0
if not args.val_only:
check_rootfolders(args)
if args.model == 'Baseline':
if args.cls_indices:
model = Baseline(args.img_feat_size,
args.au_feat_size,
num_classes=len(args.cls_indices))
else:
print('Feature size:', args.img_feat_size, args.au_feat_size)
model = Baseline(args.img_feat_size, args.au_feat_size)
elif args.model == 'TCFPN':
model = TCFPN(layers=[48, 64, 96],
in_channels=(128),
num_classes=15,
kernel_size=11)
elif args.model == 'BaseAu':
model = Baseline_Au(args.au_feat_size)
elif args.model == 'BaseImg':
model = Baseline_Img(args.img_feat_size)
elif args.model == 'EmoBase':
model = EmoBase()
model = torch.nn.DataParallel(model).cuda()
optimizer = torch.optim.Adam(model.parameters(),
lr=args.learning_rate,
weight_decay=args.weight_decay)
# optimizer = torch.optim.AdamW(model.parameters(), lr=args.learning_rate)
# custom optimizer
if args.use_sam:
base_optim = torch.optim.Adam
optimizer = SAM(model.parameters(), base_optim, lr=args.learning_rate)
# custom lr scheduler
if args.use_cos_wr:
scheduler = torch.optim.lr_scheduler.CosineAnnealingWarmRestarts(
optimizer, T_0=args.cos_wr_t0, T_mult=args.cos_wr_t_mult)
elif args.use_cos:
scheduler = torch.optim.lr_scheduler.CosineAnnealingLR(
optimizer, args.cos_t_max)
elif args.use_multistep:
scheduler = torch.optim.lr_scheduler.MultiStepLR(
optimizer, args.step_milestones, args.step_decay)
# SWA
if args.use_swa:
swa_model = torch.optim.swa_utils.AveragedModel(model)
swa_scheduler = torch.optim.swa_utils.SWALR(optimizer,
swa_lr=args.learning_rate)
# ckpt structure {epoch, state_dict, optimizer, best_corr}
if args.resume and os.path.isfile(args.resume):
print('Load checkpoint:', args.resume)
ckpt = torch.load(args.resume)
args.start_epoch = ckpt['epoch']
best_corr = ckpt['best_corr']
model.load_state_dict(ckpt['state_dict'])
optimizer.load_state_dict(ckpt['optimizer'])
print('Loaded ckpt at epoch:', args.start_epoch)
# initialize datasets
train_loader = torch.utils.data.DataLoader(dataset=EEV_Dataset(
csv_path=args.train_csv,
vidmap_path=args.train_vidmap,
image_feat_path=args.image_features,
audio_feat_path=args.audio_features,
mode='train',
lpfilter=args.lp_filter,
train_freq=args.train_freq,
val_freq=args.val_freq,
cls_indices=args.cls_indices),
batch_size=args.batch_size,
shuffle=True,
num_workers=args.workers,
pin_memory=False,
drop_last=True)
val_loader = torch.utils.data.DataLoader(dataset=EEV_Dataset(
csv_path=args.val_csv,
vidmap_path=args.val_vidmap,
image_feat_path=args.image_features,
audio_feat_path=args.audio_features,
mode='val',
train_freq=args.train_freq,
val_freq=args.val_freq,
cls_indices=args.cls_indices,
repeat_sample=args.repeat_sample),
batch_size=None,
shuffle=False,
num_workers=args.workers,
pin_memory=False)
accuracy = correlation
if args.val_only:
print('Run validation ...')
print('start epoch:', args.start_epoch, 'model:', args.resume)
validate(val_loader, model, accuracy, args.start_epoch, None, None)
return
log_training = open(
os.path.join(args.root_log, args.store_name, 'log.csv'), 'w')
with open(os.path.join(args.root_log, args.store_name, 'args.txt'),
'w') as f:
f.write(str(args))
tb_writer = SummaryWriter(
log_dir=os.path.join(args.root_log, args.store_name))
for epoch in range(args.start_epoch, args.epochs):
train(train_loader, model, optimizer, epoch, log_training, tb_writer)
# do lr scheduling after epoch
if args.use_swa and epoch >= args.swa_start:
print('swa stepping...')
swa_model.update_parameters(model)
swa_scheduler.step()
elif args.use_cos_wr or args.use_cos or args.use_multistep:
scheduler.step()
if (epoch + 1) > 2 and ((epoch + 1) % args.eval_freq == 0 or
(epoch + 1) == args.epochs):
# validate
if args.use_swa and epoch >= args.swa_start:
# validate use swa model
corr = validate(val_loader, swa_model, accuracy, epoch,
log_training, tb_writer)
else:
corr = validate(val_loader, model, accuracy, epoch,
log_training, tb_writer)
is_best = corr > best_corr
best_corr = max(corr, best_corr)
tb_writer.add_scalar('acc/validate_corr_best', best_corr, epoch)
output_best = 'Best corr: %.4f\n' % (best_corr)
print(output_best)
log_training.write(output_best + '\n')
log_training.flush()
save_checkpoint(
{
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict(),
'best_corr': best_corr,
}, is_best)
# batch_size = 48
# instance_num = 1
train_data, val_data, trains, vals = make_dataloader(kd_id, kd_num)
train_loader = DataLoader(dataset=train_data,
batch_size=batch_size,
sampler=RandomSampler(trains, batch_size,
instance_num),
shuffle=False,
num_workers=2,
collate_fn=train_collate)
#train_loader = DataLoader(dataset=train_data, batch_size=48, shuffle=False, num_workers=2, collate_fn=train_collate)
val_loader = DataLoader(dataset=val_data,
batch_size=64,
shuffle=False,
num_workers=2,
collate_fn=train_collate)
train_length = len(train_loader)
val_length = len(val_loader)
if __name__ == '__main__':
max_epoch = 50
max_val_acc = 0
for epoch in range(0, max_epoch):
adjust_lr(optimizer, epoch)
train_fuc(model, epoch)
val_acc = val_fuc(model, epoch)
torch.save(
model.state_dict(), 'models/' + str(kd_id) + '_' + model_name +
'_' + '%.5f' % (val_acc) + '_' + str(epoch) + '.pth')
# model_path = ' '
model = Baseline(model='train',model_name = model_name, model_path=model_path)
#model.load_param('models/model_1_180000.pth')
model = model.cuda()
optimizer = torch.optim.Adam(model.parameters(), lr=1e-4)
#exp_lr_scheduler = lr_scheduler.StepLR(optimizer, step_size=1, gamma=0.1)
# kd_id = 0
# kd_num = 7
# batch_size = 48
# instance_num = 1
train_data, val_data, trains, vals = make_dataloader(kd_id,kd_num)
train_loader = DataLoader(dataset=train_data, batch_size=batch_size, sampler=RandomSampler(trains, batch_size, instance_num), shuffle=False, num_workers=2, collate_fn=train_collate)
#train_loader = DataLoader(dataset=train_data, batch_size=48, shuffle=False, num_workers=2, collate_fn=train_collate)
val_loader = DataLoader(dataset=val_data, batch_size=64, shuffle=False, num_workers=2, collate_fn=train_collate )
train_length = len(train_loader)
val_length = len(val_loader)
if __name__ == '__main__':
max_epoch = 50
max_val_acc = 0
for epoch in range(0,max_epoch):
adjust_lr(optimizer, epoch)
train_fuc(model, epoch)
val_acc = val_fuc(model, epoch)
torch.save(model.state_dict(), 'models/'+ str(kd_id)+'_'+ model_name + '_'+ '%.5f'%(val_acc) +'_'+ str(epoch) +'.pth')
