def get_area_spell_targets(self,
center: Cell = None,
row: int = None,
col: int = None,
spell: Spell = None,
type_id: int = None) -> List["Unit"]:
if spell is None:
if type_id is not None:
spell = self.get_cast_spell_by_id(type_id)
else:
return []
if type(spell) is not Spell:
Logs.show_log("invalid spell chosen in get_area_spell_targets")
return []
if not spell.is_area_spell():
return []
if center is None:
center = Cell(row, col)
ls = []
for i in range(max(0, center.row - spell.range),
min(center.row + spell.range + 1, self._map.row_num)):
for j in range(
max(0, center.col - spell.range),
min(center.col + spell.range + 1, self._map.col_num)):
cell = self._map.get_cell(i, j)
for u in cell.units:
if self._is_unit_targeted(u, spell.target):
ls.append(u)
return ls
def _spells_init(self, msg):
self.spells = [Spell(type=SpellType.get_value(spell["type"]),
type_id=spell["typeId"],
duration=spell["duration"],
priority=spell["priority"],
range=spell["range"],
power=spell["power"],
target=SpellTarget.get_value(spell["target"]),
is_damaging=False)
for spell in msg]
def trainIters(args):
charSet = CharSet(args['LANGUAGE'])
watch = Watch(args['LAYER_SIZE'], args['HIDDEN_SIZE'], args['HIDDEN_SIZE'])
spell = Spell(args['LAYER_SIZE'], args['HIDDEN_SIZE'],
charSet.get_total_num())
# watch = nn.DataParallel(watch)
# spell = nn.DataParallel(spell)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
watch = watch.to(device)
spell = spell.to(device)
watch_optimizer = optim.Adam(watch.parameters(), lr=args['LEARNING_RATE'])
spell_optimizer = optim.Adam(spell.parameters(), lr=args['LEARNING_RATE'])
watch_scheduler = optim.lr_scheduler.StepLR(
watch_optimizer,
step_size=args['LEARNING_RATE_DECAY_EPOCH'],
gamma=args['LEARNING_RATE_DECAY_RATIO'])
spell_scheduler = optim.lr_scheduler.StepLR(
spell_optimizer,
step_size=args['LEARNING_RATE_DECAY_EPOCH'],
gamma=args['LEARNING_RATE_DECAY_RATIO'])
criterion = nn.CrossEntropyLoss(ignore_index=charSet.get_index_of('<pad>'))
train_loader, eval_loader = get_dataloaders(args['PATH'], args['BS'],
args['VMAX'], args['TMAX'],
args['WORKER'], charSet,
args['VALIDATION_RATIO'])
# train_loader = DataLoader(dataset=dataset,
# batch_size=batch_size,
# shuffle=True)
total_batch = len(train_loader)
total_eval_batch = len(eval_loader)
for epoch in range(args['ITER']):
avg_loss = 0.0
avg_eval_loss = 0.0
avg_cer = 0.0
avg_eval_cer = 0.0
watch_scheduler.step()
spell_scheduler.step()
watch = watch.train()
spell = spell.train()
for i, (data, labels) in enumerate(train_loader):
loss, cer = train(data, labels, watch, spell, watch_optimizer,
spell_optimizer, criterion, True, charSet)
avg_loss += loss
avg_cer += cer
print('Batch : ', i + 1, '/', total_batch,
', ERROR in this minibatch: ', loss)
print('Character error rate : ', cer)
watch = watch.eval()
spell = spell.eval()
for k, (data, labels) in enumerate(eval_loader):
loss, cer = train(data, labels, watch, spell, watch_optimizer,
spell_optimizer, criterion, False, charSet)
avg_eval_loss += loss
avg_eval_cer += cer
print('epoch:', epoch, ' train_loss:', float(avg_loss / total_batch))
print('epoch:', epoch, ' Average CER:', float(avg_cer / total_batch))
print('epoch:', epoch, ' Validation_loss:',
float(avg_eval_loss / total_eval_batch))
print('epoch:', epoch, ' Average CER:',
float(avg_eval_cer / total_eval_batch))
if epoch % args['SAVE_EVERY'] == 0 and epoch != 0:
torch.save(watch, 'watch{}.pt'.format(epoch))
torch.save(spell, 'spell{}.pt'.format(epoch))
def run(dataset_path):
os.makedirs('checkpoints', exist_ok=True)
writer = SummaryWriter()
watcher = Watch().to('cuda' if torch.cuda.is_available() else 'cpu')
speller = Spell().to('cuda' if torch.cuda.is_available() else 'cpu')
# Applying learning rate decay as we observed loss diverge.
# https://discuss.pytorch.org/t/how-to-use-torch-optim-lr-scheduler-exponentiallr/12444/6
watch_optimizer = optim.Adam(watcher.parameters(), lr=LEARNING_RATE)
spell_optimizer = optim.Adam(speller.parameters(), lr=LEARNING_RATE)
watch_scheduler = optim.lr_scheduler.StepLR(watch_optimizer, step_size=LEARNING_RATE_STEP, gamma=LEARNING_RATE_GAMMA)
spell_scheduler = optim.lr_scheduler.StepLR(spell_optimizer, step_size=LEARNING_RATE_STEP, gamma=LEARNING_RATE_GAMMA)
dataset = VideoDataset(dataset_path)
dataloader = DataLoader(dataset, batch_size=1, shuffle=True)
criterion = nn.CrossEntropyLoss()
losses = []
for epoch in range(1, 100):
watch_scheduler.step()
spell_scheduler.step()
watcher = watcher.train()
speller = speller.train()
for i, (x, chars) in tqdm(enumerate(dataloader, 1), total=len(dataloader), desc=f'Epoch: {epoch}'):
chars = chars[0]
loss = 0
watch_optimizer.zero_grad()
spell_optimizer.zero_grad()
x = x.to(device)
chars = chars.to(device)
chars_len = chars.size(0)
output_from_vgg_lstm, states_from_vgg_lstm = watcher(x)
spell_input = torch.tensor([[CHAR_SET.index('<sos>')]]).repeat(output_from_vgg_lstm.size(0), 1).to(device)
spell_hidden = states_from_vgg_lstm
spell_state = torch.zeros_like(spell_hidden).to(device)
context = torch.zeros(output_from_vgg_lstm.size(0), 1, spell_hidden.size(2)).to(device)
for idx in range(chars_len):
spell_output, spell_hidden, spell_state, context = speller(spell_input, spell_hidden, spell_state, output_from_vgg_lstm, context)
_, topi = spell_output.topk(1, dim=2)
spell_input = chars[idx].long().view(1, 1)
loss += criterion(spell_output.squeeze(1), chars[idx].long().view(1))
loss = loss.to('cuda' if torch.cuda.is_available() else 'cpu')
loss.backward()
watch_optimizer.step()
spell_optimizer.step()
norm_loss = float(loss / chars.size(0))
losses.append(norm_loss)
writer.add_scalar('train/loss', norm_loss, global_step=epoch * len(dataloader) + i)
writer.add_scalar('train/lr-watcher', watch_scheduler.get_lr()[0], global_step=epoch * len(dataloader) + i)
writer.add_scalar('train/lr-speller', spell_scheduler.get_lr()[0], global_step=epoch * len(dataloader) + i)
watcher = watcher.eval()
speller = speller.eval()
torch.save({
'watcher': watcher.state_dict(),
'speller': speller.state_dict(),
}, f'checkpoints/{epoch:03d}_{norm_loss}.pth')
print(f'{losses}')
def trainIters(n_iters,
videomax,
txtmax,
data_path,
batch_size,
worker,
ratio_of_validation=0.0001,
learning_rate_decay=2000,
save_every=30,
learning_rate=0.01):
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
watch = Watch(3, 512, 512)
spell = Spell(num_layers=3, output_size=len(int_list), hidden_size=512)
watch = watch.to(device)
spell = spell.to(device)
watch_optimizer = optim.Adam(watch.parameters(), lr=learning_rate)
spell_optimizer = optim.Adam(spell.parameters(), lr=learning_rate)
watch_scheduler = optim.lr_scheduler.StepLR(watch_optimizer,
step_size=learning_rate_decay,
gamma=0.1)
spell_scheduler = optim.lr_scheduler.StepLR(spell_optimizer,
step_size=learning_rate_decay,
gamma=0.1)
criterion = nn.CrossEntropyLoss(ignore_index=38)
train_loader, eval_loader = get_dataloaders(
data_path,
batch_size,
videomax,
txtmax,
worker,
ratio_of_validation=ratio_of_validation)
# train_loader = DataLoader(dataset=dataset,
# batch_size=batch_size,
# shuffle=True)
total_batch = len(train_loader)
total_eval_batch = len(eval_loader)
for epoch in range(n_iters):
avg_loss = 0.0
avg_eval_loss = 0.0
watch_scheduler.step()
spell_scheduler.step()
watch = watch.train()
spell = spell.train()
for i, (data, labels) in enumerate(train_loader):
loss = train(data.to(device), labels.to(device), watch, spell,
watch_optimizer, spell_optimizer, criterion, True)
avg_loss += loss
print('Batch : ', i + 1, '/', total_batch,
', ERROR in this minibatch: ', loss)
del data, labels, loss
watch = watch.eval()
spell = spell.eval()
for k, (data, labels) in enumerate(eval_loader):
loss = train(data.to(device), labels.to(device), watch, spell,
watch_optimizer, spell_optimizer, criterion, False)
avg_eval_loss += loss
print('Batch : ', i + 1, '/', total_batch,
', Validation ERROR in this minibatch: ', loss)
del data, labels, loss
print('epoch:', epoch, ' train_loss:', float(avg_loss / total_batch))
print('epoch:', epoch, ' eval_loss:',
float(avg_eval_loss / total_eval_batch))
if epoch % save_every == 0 and epoch != 0:
torch.save(watch, 'watch{}.pt'.format(epoch))
torch.save(spell, 'spell{}.pt'.format(epoch))