def continue_recording_and_dump(self,
file_name="EEG_session_live_" +
time_str() + ".mat"):
### only save data while still keeping the recording thread alive
### the data can then be used to classify the notlive data
sio.savemat(os.path.join(self.datapath, file_name), dict(self))
return file_name, self.datapath
def update(self, events):
"""Updates the game screen"""
super().update(events)
# kill the start text if it already exists
if self.game_started:
self.start_text.kill()
self.time_text.set_text(time_str(self.current_time()))
# do collision detection
Collider.collide_all(self.player, self.containers['ENEMY']['BULLET'])
Collider.collide_all(self.enemy, self.containers['PLAYER']['BULLET'])
Collider.collide_all(self.player, self.containers['ENEMY']['ENTITY'])
# transition to end screen if game ended
if self.game_ended:
self.screen_transition(
end_screen.EndScreen(self.game, self.game_won,
self.current_time(), self.diff))
# if player is dead, get ready to screen transition next frame
if self.player.health.dead():
self.game_ended = True
self.full_screen_rectangle((255, 0, 0))
# if enemy is dead, also get ready to transition
if self.enemy.health.dead():
self.game_ended = True
self.game_won = True
self.full_screen_rectangle((255, 255, 255))
def stop_recording_and_dump_live(self,
file_name="session_live_" + time_str() +
".mat"):
#self.set_trial_start_indexes() #solved by collecting index in add_trial()
sio.savemat(file_name, dict(self))
return file_name
def pause_recording_and_dump(self,
file_name="EEG_session_live_" + time_str() +
".mat"):
### save data to .mat and pause the recording such that it can be resumed lateron
sio.savemat(os.path.join(self.datapath, file_name), dict(self))
self.pause_recording()
return file_name, self.datapath
def stop_recording_and_dump(self, file_name="EEG_session_" + time_str() + ".mat"):
# finish the recording, save all data to a .mat file
self.pause_recording()
self.stop_event_con.set()
sio.savemat(os.path.join(self.datapath, file_name), dict(self))
print('Recording will shut down.')
return file_name, self.datapath
def __init__(self, game, diff=Difficulty.NORMAL):
"""Create the PlayScreen"""
super().__init__(game)
self.game_started = False
self.game_ended = False
self.game_won = False
self.start_time = 0
self.diff = diff
# create containers
self.containers = {}
for alignment in ['PLAYER', 'ENEMY']:
self.containers[alignment] = {}
for obj_type in ['ENTITY', 'BULLET']:
self.containers[alignment][obj_type] = pygame.sprite.Group()
# create objects
self.start_circle = GameStartCircle(self, self.PLAYER_START)
self.player = Player(self, self.PLAYER_START, diff)
self.start_text = TextSprite(
self.everything,
"Put your cursor in the circle to start the game!", (320, 330), 16)
self.time_text = TextSprite(self.everything, time_str(0), (570, 620),
16)
self.enemy = Enemy(self, self.ENEMY_START)
def record(stop_event, channel_data=[], time_stamps=[]):
### this is the old recording function, that is started as a thread in the class RecordData
inlet = find_gUSBamp_stream('EEG')
inletInfo = inlet.info()
print('Connected to:', inletInfo.name(), 'with', inletInfo.channel_count(),
'channels. Fs:', inletInfo.nominal_srate())
### do recording all the time, but to pause the recording a stop event is set.
### agterwards the thread is newly initialised to restart
while not stop_event.is_set(): #True:
try:
sample, time_stamp = inlet.pull_sample()
time_stamp += inlet.time_correction()
time_stamps.append(time_stamp)
channel_data.append(sample)
except KeyboardInterrupt:
### save data and exit on KeybordInterrupt
complete_samples = min(len(time_stamps), len(channel_data))
sio.savemat(
"recording_" + time_str() + ".mat", {
"time_stamps": time_stamps[:complete_samples],
"channel_data": channel_data[:complete_samples],
})
break
def stop_recording_and_dump(self,
file_name="session_" + time_str() + ".mat"):
self.set_trial_start_indexes()
sio.savemat(file_name, dict(self))
self.serialPort.close()
return file_name
def stop_recording_and_dump(self,
file_name="EMG_session_" + time_str() +
".mat"):
### finish the recording, save all data to a .mat file, close serial port
self.pause_recording()
sio.savemat(os.path.join(self.datapath, file_name), dict(self))
print('Recording will shut down.')
if self.serialPort:
self.serialPort.close()
return file_name, self.datapath
def main():
# parse command line input
opt = utils.parse_arg()
# Set GPU
opt.cuda = opt.gpuid >= 0
if opt.cuda:
torch.cuda.set_device(opt.gpuid)
else:
utils.time_str("GPU acceleration is disabled.")
# prepare data
db = data_prepare.prepare_db(opt)
imagenet = data_prepare.ImageNetSmallData(opt, type='centres')
# imagenet = None
#
# # add imagenet dataset
db.update({'imagenet': imagenet})
# initialize the model
pre_trained_model = model.prepare_model(opt)
# prepare M_0(x) model, which is a fixed pre-trained model
opt.num_output = 1000
fixed_model = model.prepare_model(opt)
# prepare centres
if not os.path.exists('../datasets/imagenet/train_centres.txt'):
imagenet = data_prepare.ImageNetSmallData(opt, type='all')
trainer.prepare_centres(fixed_model, imagenet, opt)
# configurate the optimizer
optim, sche = optimizer.prepare_optim(pre_trained_model, opt)
# train the model
trainer.train(pre_trained_model, optim, sche, db, opt, model_0=fixed_model)
# trainer.train(pre_trained_model, optim, sche, db, opt, model_0 = None)
# save the trained model
if opt.save:
utils.save_model(pre_trained_model, opt)
def set_finite_extend(self, increment=False):
if common.gopts.mode == "updr":
return
changed = False
for tt in sorted(self._sorts, key=str):
if tt not in self._sort2fin:
continue
ri = "1"
if (not increment):
eprint("Extend %s ? " % (str(tt)), end='')
if (len(self._sort2fin) > 1):
ri = raw_input("")
else:
eprint()
if ri:
try:
delta = int(ri)
if delta >= 0:
sz = self.extend_sort(tt, delta)
if delta > 0:
eprint(time_str(),
"(extended |%s| to %d)" % (str(tt), sz))
print(time_str(),
"(extended |%s| to %d)" % (str(tt), sz))
changed = True
else:
self.unbound_sort(tt)
eprint("\t(unbounding %s)" % (str(tt)))
changed = True
except ValueError:
pass
if changed:
# eprint("Finite sorts (new): #%d" % len(self._sort2fin))
# for tt, vals in self._sort2fin.items():
# eprint("\t|%s| = %s" % (tt, len(self._enumsorts[vals])))
pass
def record(ser, channel_data=[], channel_force=[], time_stamps=[]):
streams = pylsl.resolve_stream('type', 'EEG')
inlet = pylsl.stream_inlet(streams[0])
while True:
try:
sample, time_stamp = inlet.pull_sample()
time_stamp += inlet.time_correction()
time_stamps.append(time_stamp)
channel_data.append(sample)
#output_str = ser.readline()
"""
if output_str.endswith('\n'):
output_str = output_str.translate(None, ' \n\t\r')
try:
force_sample = list(map(float, output_str.split(';')))
if len(force_sample) != 5:
force_sample = [0, 0, 0, 0, 0]
except ValueError:
force_sample = [0, 0, 0, 0, 0]
else:
force_sample = [0, 0, 0, 0, 0]
try:
channel_force.append(float(output_str))
except ValueError:
channel_force.append(0)
"""
try:
channel_force.append(float(ser.readline()))
except ValueError:
channel_force.append(0)
# first col of one row of the record_data matrix is time_stamp,
# the following cols are the sampled channels
except KeyboardInterrupt:
complete_samples = min(len(time_stamps), len(channel_data),
len(channel_force))
sio.savemat(
"recording_" + time_str() + ".mat", {
"time_stamps": time_stamps[:complete_samples],
"channel_data": channel_data[:complete_samples],
"channel_force": channel_force[:complete_samples]
})
break
def main():
# parse command line input
opt = utils.parse_arg()
# Set GPU
opt.cuda = opt.gpuid >= 0
if opt.cuda:
torch.cuda.set_device(opt.gpuid)
else:
utils.time_str("GPU acceleration is disabled.")
# prepare data
db = data_prepare.prepare_db(opt)
# initializa the model
pre_trained_model = model.prepare_model(opt)
# configurate the optimizer
optim, sche = optimizer.prepare_optim(pre_trained_model, opt)
# train the model
trainer.train(pre_trained_model, optim, sche, db, opt)
# save the trained model
utils.save_model(pre_trained_model, opt)
def record(ser, stop_event, channel_data=[], channel_force=[], time_stamps=[]):
### this is the recording function, that is started as a thread in the class RecordData
inlet = find_gUSBamp_stream('EMG')
inletInfo = inlet.info()
print('Connected to:', inletInfo.name(), 'with', inletInfo.channel_count(),
'channels. Fs:', inletInfo.nominal_srate())
#inlet2 = find_gUSBamp_stream('EEG')
#inletInfo2 = inlet2.info()
#print('Connected to:',inletInfo2.name(), 'with', inletInfo2.channel_count(),'channels. Fs:',inletInfo2.nominal_srate())
### do recording all the time, but to pause the recording a stop event is set.
### agterwards the thread is newly initialised to restart
while not stop_event.is_set(): #True:
try:
sample, time_stamp = inlet.pull_sample()
time_stamp += inlet.time_correction()
time_stamps.append(time_stamp)
channel_data.append(sample)
if ser:
### if no arduino for force recording is connected, then fill with 0
try:
channel_force.append(float(ser.readline()))
except ValueError:
channel_force.append(0)
except TypeError:
channel_force.append(0)
else:
channel_force.append(0)
except KeyboardInterrupt:
### save data and exit on KeybordInterrupt
complete_samples = min(len(time_stamps), len(channel_data),
len(channel_force))
sio.savemat(
"recording_" + time_str() + ".mat", {
"time_stamps": time_stamps[:complete_samples],
"channel_data": channel_data[:complete_samples],
"channel_force": channel_force[:complete_samples]
})
break
def record(channel_data=[], time_stamps=[]):
streams = pylsl.resolve_stream('type', 'EEG')
inlet = pylsl.stream_inlet(streams[0])
while True:
try:
sample, time_stamp = inlet.pull_sample()
time_stamp += inlet.time_correction()
time_stamps.append(time_stamp)
channel_data.append(sample)
# first col of one row of the record_data matrix is time_stamp,
# the following cols are the sampled channels
except KeyboardInterrupt:
complete_samples = min(len(time_stamps), len(channel_data))
sio.savemat(
"recording_" + time_str() + ".mat", {
"time_stamps": time_stamps[:complete_samples],
"channel_data": channel_data[:complete_samples]
})
break
def __init__(self, game, game_won, time_taken, diff):
"""Creates the EndScreen"""
super().__init__(game)
self.game_won = game_won
self.time_taken = time_taken
self.diff = diff
# display either YOU WIN or YOU LOSE
if game_won:
TextSprite(self.everything, "YOU WIN", self.LOSE_WIN_LOC,
self.LOSE_WIN_SIZE)
else:
TextSprite(self.everything,
"YOU LOSE",
self.LOSE_WIN_LOC,
self.LOSE_WIN_SIZE,
color=(255, 0, 0))
# display time taken
TextSprite(self.everything, time_str(time_taken, 0), (320, 240))
# create a continue button
Button(self.everything, "CONTINUE", np.array((320, 400)),
np.array((200, 100)), self.next_screen)
def record_and_process(stop_event, channel_data=[], time_stamps=[]):
### based on realtime.py
# 0. General
#verbose = False
# 1. Output
output_width = 32
output_height = 32
output_stacks = 3 # channels
outlet_sendRate = 2 # [Hz]
outlet_numChannels = output_width * output_height * output_stacks
# 2. Filterbank
lowcut = 2 # [Hz]
highcut = 60 # [Hz]
order = 3
# 3. Spectrogram Generation
periods = 1.5
overlapRatio = 0.95
### initialise data inlet and outlet
inlet = find_gUSBamp_stream('EEG')
inletInfo = inlet.info()
inlet_sampleRate = int(inletInfo.nominal_srate())
inlet_numChannels = int(inletInfo.channel_count())
print("Reported sample rate: %i , number of channels: %i" %
(inlet_sampleRate, inlet_numChannels))
outletInfo = pylsl.StreamInfo('PreprocessedEEG', 'EEGPre',
outlet_numChannels, outlet_sendRate, 'int8',
'UB-2016.08.03')
outlet = pylsl.StreamOutlet(outletInfo)
### initialise processing: Filterbank, Spectrogram generation
filterbank = lp.filterbank(lowcut, highcut, order, inlet_sampleRate)
specGen = lp.specGen(output_width, output_height, output_stacks, lowcut,
periods, overlapRatio, inlet_sampleRate)
### initialise ringbuffer
rbuffer = ringbuffer.RingBuffer(size_max=specGen.smpPerSpec)
sendEverySmpl = math.ceil(inlet_sampleRate / outlet_sendRate)
print("Transmitting every %i samples" % sendEverySmpl)
samplesInBuffer = 0
samplesSent = 0
while not stop_event.is_set():
try:
sample, time_stamp = inlet.pull_sample()
time_stamp += inlet.time_correction()
time_stamps.append(time_stamp)
channel_data.append(sample)
rbuffer.append(sample)
samplesInBuffer += 1
except KeyboardInterrupt:
### save data and exit on KeybordInterrupt
complete_samples = min(len(time_stamps), len(channel_data))
sio.savemat(
"recording_" + time_str() + ".mat", {
"time_stamps": time_stamps[:complete_samples],
"channel_data": channel_data[:complete_samples],
})
break
if (rbuffer.full and samplesInBuffer >= sendEverySmpl):
### get from buffer, filter and generate spectrogram
specs = specGen.process(
filterbank.process(np.array(rbuffer.get())[:, 0:3]))
### convert to uint8 and flatten to send it to the LSL
outlet.push_sample(lp.np_to_tn(specs).flatten())
samplesSent += 1
### indicate that buffer content is used, such that it can be overwritten
samplesInBuffer = 0
def update_all_timer(self):
s = time_str(self.record_time)
self.enrollTime.setText(s)
self.recoTime.setText(s)
self.convTime.setText(s)
def timer_callback(self):
self.record_time += 1
self.status("Recording..." + time_str(self.record_time))
self.update_all_timer()
def main(config):
svname = args.name
if svname is None:
svname = 'classifier_{}'.format(config['train_dataset'])
svname += '_' + config['model_args']['encoder']
clsfr = config['model_args']['classifier']
if clsfr != 'linear-classifier':
svname += '-' + clsfr
if args.tag is not None:
svname += '_' + args.tag
save_path = os.path.join('./save', svname)
utils.ensure_path(save_path)
utils.set_log_path(save_path)
writer = SummaryWriter(os.path.join(save_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(save_path, 'config.yaml'), 'w'))
#### Dataset ####
# train
train_dataset = datasets.make(config['train_dataset'],
**config['train_dataset_args'])
augmentations = [
transforms.Compose([
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomResizedCrop(size=(80, 80),
scale=(0.08, 1.0),
ratio=(0.75, 1.3333)),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomRotation(35),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.ColorJitter(0.4, 0.4, 0.4, 0.1),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomResizedCrop(size=(80, 80),
scale=(0.08, 1.0),
ratio=(0.75, 1.3333)),
transforms.RandomRotation(35),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomRotation(35),
transforms.ColorJitter(0.4, 0.4, 0.4, 0.1),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomResizedCrop(size=(80, 80),
scale=(0.08, 1.0),
ratio=(0.75, 1.3333)),
transforms.ColorJitter(0.4, 0.4, 0.4, 0.1),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
]),
transforms.Compose([
transforms.RandomRotation(35),
transforms.RandomResizedCrop(size=(80, 80),
scale=(0.08, 1.0),
ratio=(0.75, 1.3333)),
transforms.ColorJitter(0.4, 0.4, 0.4, 0.1),
transforms.RandomHorizontalFlip(p=0.5),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
]
train_dataset.transform = augmentations[int(config['_a'])]
print(train_dataset.transform)
print("_a", config['_a'])
input("Continue with these augmentations?")
train_loader = DataLoader(train_dataset,
config['batch_size'],
shuffle=True,
num_workers=0,
pin_memory=True)
utils.log('train dataset: {} (x{}), {}'.format(train_dataset[0][0].shape,
len(train_dataset),
train_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(train_dataset, 'train_dataset', writer)
# val
if config.get('val_dataset'):
eval_val = True
val_dataset = datasets.make(config['val_dataset'],
**config['val_dataset_args'])
val_loader = DataLoader(val_dataset,
config['batch_size'],
num_workers=0,
pin_memory=True)
utils.log('val dataset: {} (x{}), {}'.format(val_dataset[0][0].shape,
len(val_dataset),
val_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(val_dataset, 'val_dataset', writer)
else:
eval_val = False
# few-shot eval
if config.get('fs_dataset'):
ef_epoch = config.get('eval_fs_epoch')
if ef_epoch is None:
ef_epoch = 5
eval_fs = True
fs_dataset = datasets.make(config['fs_dataset'],
**config['fs_dataset_args'])
utils.log('fs dataset: {} (x{}), {}'.format(fs_dataset[0][0].shape,
len(fs_dataset),
fs_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(fs_dataset, 'fs_dataset', writer)
n_way = 5
n_query = 15
n_shots = [1, 5]
fs_loaders = []
for n_shot in n_shots:
fs_sampler = CategoriesSampler(fs_dataset.label,
200,
n_way,
n_shot + n_query,
ep_per_batch=4)
fs_loader = DataLoader(fs_dataset,
batch_sampler=fs_sampler,
num_workers=0,
pin_memory=True)
fs_loaders.append(fs_loader)
else:
eval_fs = False
########
#### Model and Optimizer ####
if config.get('load'):
model_sv = torch.load(config['load'])
model = models.load(model_sv)
else:
model = models.make(config['model'], **config['model_args'])
if eval_fs:
fs_model = models.make('meta-baseline', encoder=None)
fs_model.encoder = model.encoder
if config.get('_parallel'):
model = nn.DataParallel(model)
if eval_fs:
fs_model = nn.DataParallel(fs_model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
optimizer, lr_scheduler = utils.make_optimizer(model.parameters(),
config['optimizer'],
**config['optimizer_args'])
########
max_epoch = config['max_epoch']
save_epoch = config.get('save_epoch')
max_va = 0.
timer_used = utils.Timer()
timer_epoch = utils.Timer()
for epoch in range(1, max_epoch + 1 + 1):
if epoch == max_epoch + 1:
if not config.get('epoch_ex'):
break
train_dataset.transform = train_dataset.default_transform
print(train_dataset.transform)
train_loader = DataLoader(train_dataset,
config['batch_size'],
shuffle=True,
num_workers=0,
pin_memory=True)
timer_epoch.s()
aves_keys = ['tl', 'ta', 'vl', 'va']
if eval_fs:
for n_shot in n_shots:
aves_keys += ['fsa-' + str(n_shot)]
aves = {k: utils.Averager() for k in aves_keys}
# train
model.train()
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
for data, label in tqdm(train_loader, desc='train', leave=False):
# for data, label in train_loader:
data, label = data.cuda(), label.cuda()
logits = model(data)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
optimizer.zero_grad()
loss.backward()
optimizer.step()
aves['tl'].add(loss.item())
aves['ta'].add(acc)
logits = None
loss = None
# eval
if eval_val:
model.eval()
for data, label in tqdm(val_loader, desc='val', leave=False):
data, label = data.cuda(), label.cuda()
with torch.no_grad():
logits = model(data)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
aves['vl'].add(loss.item())
aves['va'].add(acc)
if eval_fs and (epoch % ef_epoch == 0 or epoch == max_epoch + 1):
fs_model.eval()
for i, n_shot in enumerate(n_shots):
np.random.seed(0)
for data, _ in tqdm(fs_loaders[i],
desc='fs-' + str(n_shot),
leave=False):
x_shot, x_query = fs.split_shot_query(data.cuda(),
n_way,
n_shot,
n_query,
ep_per_batch=4)
label = fs.make_nk_label(n_way, n_query,
ep_per_batch=4).cuda()
with torch.no_grad():
logits = fs_model(x_shot, x_query).view(-1, n_way)
acc = utils.compute_acc(logits, label)
aves['fsa-' + str(n_shot)].add(acc)
# post
if lr_scheduler is not None:
lr_scheduler.step()
for k, v in aves.items():
aves[k] = v.item()
t_epoch = utils.time_str(timer_epoch.t())
t_used = utils.time_str(timer_used.t())
t_estimate = utils.time_str(timer_used.t() / epoch * max_epoch)
if epoch <= max_epoch:
epoch_str = str(epoch)
else:
epoch_str = 'ex'
log_str = 'epoch {}, train {:.4f}|{:.4f}'.format(
epoch_str, aves['tl'], aves['ta'])
writer.add_scalars('loss', {'train': aves['tl']}, epoch)
writer.add_scalars('acc', {'train': aves['ta']}, epoch)
if eval_val:
log_str += ', val {:.4f}|{:.4f}'.format(aves['vl'], aves['va'])
writer.add_scalars('loss', {'val': aves['vl']}, epoch)
writer.add_scalars('acc', {'val': aves['va']}, epoch)
if eval_fs and (epoch % ef_epoch == 0 or epoch == max_epoch + 1):
log_str += ', fs'
for n_shot in n_shots:
key = 'fsa-' + str(n_shot)
log_str += ' {}: {:.4f}'.format(n_shot, aves[key])
writer.add_scalars('acc', {key: aves[key]}, epoch)
if epoch <= max_epoch:
log_str += ', {} {}/{}'.format(t_epoch, t_used, t_estimate)
else:
log_str += ', {}'.format(t_epoch)
utils.log(log_str)
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch': epoch,
'optimizer': config['optimizer'],
'optimizer_args': config['optimizer_args'],
'optimizer_sd': optimizer.state_dict(),
}
save_obj = {
'file': __file__,
'config': config,
'model': config['model'],
'model_args': config['model_args'],
'model_sd': model_.state_dict(),
'training': training,
}
if epoch <= max_epoch:
torch.save(save_obj, os.path.join(save_path, 'epoch-last.pth'))
if (save_epoch is not None) and epoch % save_epoch == 0:
torch.save(
save_obj,
os.path.join(save_path, 'epoch-{}.pth'.format(epoch)))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(save_obj, os.path.join(save_path, 'max-va.pth'))
else:
torch.save(save_obj, os.path.join(save_path, 'epoch-ex.pth'))
writer.flush()
if IS_DEBUGGING:
config.eps_anneal_period = 1e5
config.replay_buffer_size = int(1e3)
## Derived settings
prepro = utils.Preprocessor_2d(config.num_state, gray=True)
env = utils.EnvironmentInterface(config,
prepro,
action_repeats=4,
obs_buffer_size=4)
for i in range(1):
print('i', i)
# run_name = experiment_name or utils.time_str()
run_name = experiment_name + utils.time_str()
logdir = './logdir/' + config.env_name + '/DQN/' + run_name
print('logdir\t\t', logdir)
if IS_DEBUGGING: logdir += '_debug'
## Setup
tf.reset_default_graph()
random_seed = int(time.time())
tf.set_random_seed(random_seed)
np.random.seed(random_seed)
print('random seed\t', random_seed)
print('Creating new model')
agent = modelDQN.DQN(config,
env,
logdir,
def test_time_str_no_ljust(self):
res = time_str(0, ljust=0)
self.assertEqual("Time: 0", res)
res = time_str(142, ljust=0)
self.assertEqual("Time: 142", res)
def save_model_and_loss(model, moder_root, losses, loss_root):
t_str = time_str()
torch.save(model.state_dict(), join(moder_root, 'model' + t_str + '.pth'))
show_losses(join(loss_root, 'loss' + t_str + '.png'), losses=losses)
logging.info('Checkpoint & Losses saved !')
def main(config):
svname = args.name
if svname is None:
svname = 'meta_{}-{}shot'.format(config['train_dataset'],
config['n_shot'])
svname += '_' + config['model']
if config['model_args'].get('encoder'):
svname += '-' + config['model_args']['encoder']
if config['model_args'].get('prog_synthesis'):
svname += '-' + config['model_args']['prog_synthesis']
svname += '-seed' + str(args.seed)
if args.tag is not None:
svname += '_' + args.tag
save_path = os.path.join(args.save_dir, svname)
utils.ensure_path(save_path, remove=False)
utils.set_log_path(save_path)
writer = SummaryWriter(os.path.join(save_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(save_path, 'config.yaml'), 'w'))
logger = utils.Logger(file_name=os.path.join(save_path, "log_sdout.txt"),
file_mode="a+",
should_flush=True)
#### Dataset ####
n_way, n_shot = config['n_way'], config['n_shot']
n_query = config['n_query']
if config.get('n_train_way') is not None:
n_train_way = config['n_train_way']
else:
n_train_way = n_way
if config.get('n_train_shot') is not None:
n_train_shot = config['n_train_shot']
else:
n_train_shot = n_shot
if config.get('ep_per_batch') is not None:
ep_per_batch = config['ep_per_batch']
else:
ep_per_batch = 1
random_state = np.random.RandomState(args.seed)
print('seed：', args.seed)
# train
train_dataset = datasets.make(config['train_dataset'],
**config['train_dataset_args'])
utils.log('train dataset: {} (x{})'.format(train_dataset[0][0].shape,
len(train_dataset)))
if config.get('visualize_datasets'):
utils.visualize_dataset(train_dataset, 'train_dataset', writer)
train_sampler = BongardSampler(train_dataset.n_tasks,
config['train_batches'], ep_per_batch,
random_state.randint(2**31))
train_loader = DataLoader(train_dataset,
batch_sampler=train_sampler,
num_workers=8,
pin_memory=True)
# tvals
tval_loaders = {}
tval_name_ntasks_dict = {
'tval': 2000,
'tval_ff': 600,
'tval_bd': 480,
'tval_hd_comb': 400,
'tval_hd_novel': 320
} # numbers depend on dataset
for tval_type in tval_name_ntasks_dict.keys():
if config.get('{}_dataset'.format(tval_type)):
tval_dataset = datasets.make(
config['{}_dataset'.format(tval_type)],
**config['{}_dataset_args'.format(tval_type)])
utils.log('{} dataset: {} (x{})'.format(tval_type,
tval_dataset[0][0].shape,
len(tval_dataset)))
if config.get('visualize_datasets'):
utils.visualize_dataset(tval_dataset, 'tval_ff_dataset',
writer)
tval_sampler = BongardSampler(
tval_dataset.n_tasks,
n_batch=tval_name_ntasks_dict[tval_type] // ep_per_batch,
ep_per_batch=ep_per_batch,
seed=random_state.randint(2**31))
tval_loader = DataLoader(tval_dataset,
batch_sampler=tval_sampler,
num_workers=8,
pin_memory=True)
tval_loaders.update({tval_type: tval_loader})
else:
tval_loaders.update({tval_type: None})
# val
val_dataset = datasets.make(config['val_dataset'],
**config['val_dataset_args'])
utils.log('val dataset: {} (x{})'.format(val_dataset[0][0].shape,
len(val_dataset)))
if config.get('visualize_datasets'):
utils.visualize_dataset(val_dataset, 'val_dataset', writer)
val_sampler = BongardSampler(val_dataset.n_tasks,
n_batch=900 // ep_per_batch,
ep_per_batch=ep_per_batch,
seed=random_state.randint(2**31))
val_loader = DataLoader(val_dataset,
batch_sampler=val_sampler,
num_workers=8,
pin_memory=True)
########
#### Model and optimizer ####
if config.get('load'):
print('loading pretrained model: ', config['load'])
model = models.load(torch.load(config['load']))
else:
model = models.make(config['model'], **config['model_args'])
if config.get('load_encoder'):
print('loading pretrained encoder: ', config['load_encoder'])
encoder = models.load(torch.load(config['load_encoder'])).encoder
model.encoder.load_state_dict(encoder.state_dict())
if config.get('load_prog_synthesis'):
print('loading pretrained program synthesis model: ',
config['load_prog_synthesis'])
prog_synthesis = models.load(
torch.load(config['load_prog_synthesis']))
model.prog_synthesis.load_state_dict(prog_synthesis.state_dict())
if config.get('_parallel'):
model = nn.DataParallel(model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
optimizer, lr_scheduler = utils.make_optimizer(model.parameters(),
config['optimizer'],
**config['optimizer_args'])
########
max_epoch = config['max_epoch']
save_epoch = config.get('save_epoch')
max_va = 0.
timer_used = utils.Timer()
timer_epoch = utils.Timer()
aves_keys = ['tl', 'ta', 'vl', 'va']
tval_tuple_lst = []
for k, v in tval_loaders.items():
if v is not None:
loss_key = 'tvl' + k.split('tval')[-1]
acc_key = ' tva' + k.split('tval')[-1]
aves_keys.append(loss_key)
aves_keys.append(acc_key)
tval_tuple_lst.append((k, v, loss_key, acc_key))
trlog = dict()
for k in aves_keys:
trlog[k] = []
for epoch in range(1, max_epoch + 1):
timer_epoch.s()
aves = {k: utils.Averager() for k in aves_keys}
# train
model.train()
if config.get('freeze_bn'):
utils.freeze_bn(model)
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
for data, label in tqdm(train_loader, desc='train', leave=False):
x_shot, x_query = fs.split_shot_query(data.cuda(),
n_train_way,
n_train_shot,
n_query,
ep_per_batch=ep_per_batch)
label_query = fs.make_nk_label(n_train_way,
n_query,
ep_per_batch=ep_per_batch).cuda()
if config['model'] == 'snail': # only use one selected label_query
query_dix = random_state.randint(n_train_way * n_query)
label_query = label_query.view(ep_per_batch, -1)[:, query_dix]
x_query = x_query[:, query_dix:query_dix + 1]
if config['model'] == 'maml': # need grad in maml
model.zero_grad()
logits = model(x_shot, x_query).view(-1, n_train_way)
loss = F.cross_entropy(logits, label_query)
acc = utils.compute_acc(logits, label_query)
optimizer.zero_grad()
loss.backward()
optimizer.step()
aves['tl'].add(loss.item())
aves['ta'].add(acc)
logits = None
loss = None
# eval
model.eval()
for name, loader, name_l, name_a in [('val', val_loader, 'vl', 'va')
] + tval_tuple_lst:
if config.get('{}_dataset'.format(name)) is None:
continue
np.random.seed(0)
for data, _ in tqdm(loader, desc=name, leave=False):
x_shot, x_query = fs.split_shot_query(
data.cuda(),
n_way,
n_shot,
n_query,
ep_per_batch=ep_per_batch)
label_query = fs.make_nk_label(
n_way, n_query, ep_per_batch=ep_per_batch).cuda()
if config[
'model'] == 'snail': # only use one randomly selected label_query
query_dix = random_state.randint(n_train_way)
label_query = label_query.view(ep_per_batch, -1)[:,
query_dix]
x_query = x_query[:, query_dix:query_dix + 1]
if config['model'] == 'maml': # need grad in maml
model.zero_grad()
logits = model(x_shot, x_query, eval=True).view(-1, n_way)
loss = F.cross_entropy(logits, label_query)
acc = utils.compute_acc(logits, label_query)
else:
with torch.no_grad():
logits = model(x_shot, x_query,
eval=True).view(-1, n_way)
loss = F.cross_entropy(logits, label_query)
acc = utils.compute_acc(logits, label_query)
aves[name_l].add(loss.item())
aves[name_a].add(acc)
# post
if lr_scheduler is not None:
lr_scheduler.step()
for k, v in aves.items():
aves[k] = v.item()
trlog[k].append(aves[k])
t_epoch = utils.time_str(timer_epoch.t())
t_used = utils.time_str(timer_used.t())
t_estimate = utils.time_str(timer_used.t() / epoch * max_epoch)
log_str = 'epoch {}, train {:.4f}|{:.4f}, val {:.4f}|{:.4f}'.format(
epoch, aves['tl'], aves['ta'], aves['vl'], aves['va'])
for tval_name, _, loss_key, acc_key in tval_tuple_lst:
log_str += ', {} {:.4f}|{:.4f}'.format(tval_name, aves[loss_key],
aves[acc_key])
writer.add_scalars('loss', {tval_name: aves[loss_key]}, epoch)
writer.add_scalars('acc', {tval_name: aves[acc_key]}, epoch)
log_str += ', {} {}/{}'.format(t_epoch, t_used, t_estimate)
utils.log(log_str)
writer.add_scalars('loss', {
'train': aves['tl'],
'val': aves['vl'],
}, epoch)
writer.add_scalars('acc', {
'train': aves['ta'],
'val': aves['va'],
}, epoch)
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch': epoch,
'optimizer': config['optimizer'],
'optimizer_args': config['optimizer_args'],
'optimizer_sd': optimizer.state_dict(),
}
save_obj = {
'file': __file__,
'config': config,
'model': config['model'],
'model_args': config['model_args'],
'model_sd': model_.state_dict(),
'training': training,
}
torch.save(save_obj, os.path.join(save_path, 'epoch-last.pth'))
torch.save(trlog, os.path.join(save_path, 'trlog.pth'))
if (save_epoch is not None) and epoch % save_epoch == 0:
torch.save(save_obj,
os.path.join(save_path, 'epoch-{}.pth'.format(epoch)))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(save_obj, os.path.join(save_path, 'max-va.pth'))
writer.flush()
print('finished training!')
logger.close()
def timer_callback(self):
self.record_time += 1
self.status("Recording..." + time_str(self.record_time))
self.update_all_timer()
def stop_recording_and_dump_live(self,
file_name="EEG_session_live_" +
time_str() + ".mat"):
### still there for historic reasons, to support run_session by Mirjam Hemberger
return self.continue_recording_and_dump()
def main(config):
svname = args.name
if svname is None:
svname = 'meta'
if args.tag is not None:
svname += '_' + args.tag
save_path = os.path.join('./save', svname)
utils.ensure_path(save_path)
utils.set_log_path(save_path)
writer = SummaryWriter(os.path.join(save_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(save_path, 'config.yaml'), 'w'))
#### Dataset ####
if args.dataset == 'all':
train_lst = ['ilsvrc_2012', 'omniglot', 'aircraft', 'cu_birds', 'dtd',
'quickdraw', 'fungi', 'vgg_flower']
eval_lst = ['ilsvrc_2012']
else:
train_lst = [args.dataset]
eval_lst = [args.dataset]
if config.get('no_train') == True:
train_iter = None
else:
trainset = make_md(train_lst, 'episodic', split='train', image_size=126)
train_iter = trainset.make_one_shot_iterator().get_next()
if config.get('no_val') == True:
val_iter = None
else:
valset = make_md(eval_lst, 'episodic', split='val', image_size=126)
val_iter = valset.make_one_shot_iterator().get_next()
testset = make_md(eval_lst, 'episodic', split='test', image_size=126)
test_iter = testset.make_one_shot_iterator().get_next()
sess = tf.Session()
########
#### Model and optimizer ####
if config.get('load'):
model_sv = torch.load(config['load'])
model = models.load(model_sv)
else:
model = models.make(config['model'], **config['model_args'])
if config.get('load_encoder'):
encoder = models.load(torch.load(config['load_encoder'])).encoder
model.encoder.load_state_dict(encoder.state_dict())
if config.get('_parallel'):
model = nn.DataParallel(model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
optimizer, lr_scheduler = utils.make_optimizer(
model.parameters(),
config['optimizer'], **config['optimizer_args'])
########
max_epoch = config['max_epoch']
save_epoch = config.get('save_epoch')
max_va = 0.
timer_used = utils.Timer()
timer_epoch = utils.Timer()
aves_keys = ['tl', 'ta', 'tvl', 'tva', 'vl', 'va']
trlog = dict()
for k in aves_keys:
trlog[k] = []
def process_data(e):
e = list(e[0])
transform = transforms.Compose([
transforms.ToPILImage(),
transforms.Resize(146),
transforms.CenterCrop(128),
transforms.ToTensor(),
transforms.Normalize(
mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
for ii in [0, 3]:
e[ii] = ((e[ii] + 1.0) * 0.5 * 255).astype('uint8')
tmp = torch.zeros(len(e[ii]), 3, 128, 128).float()
for i in range(len(e[ii])):
tmp[i] = transform(e[ii][i])
e[ii] = tmp.cuda()
e[1] = torch.from_numpy(e[1]).long().cuda()
e[4] = torch.from_numpy(e[4]).long().cuda()
return e
for epoch in range(1, max_epoch + 1):
timer_epoch.s()
aves = {k: utils.Averager() for k in aves_keys}
# train
model.train()
if config.get('freeze_bn'):
utils.freeze_bn(model)
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
if config.get('no_train') == True:
pass
else:
for i_ep in tqdm(range(config['n_train'])):
e = process_data(sess.run(train_iter))
loss, acc = model(e[0], e[1], e[3], e[4])
optimizer.zero_grad()
loss.backward()
optimizer.step()
aves['tl'].add(loss.item())
aves['ta'].add(acc)
loss = None
# eval
model.eval()
for name, ds_iter, name_l, name_a in [
('tval', val_iter, 'tvl', 'tva'),
('val', test_iter, 'vl', 'va')]:
if config.get('no_val') == True and name == 'tval':
continue
for i_ep in tqdm(range(config['n_eval'])):
e = process_data(sess.run(ds_iter))
with torch.no_grad():
loss, acc = model(e[0], e[1], e[3], e[4])
aves[name_l].add(loss.item())
aves[name_a].add(acc)
# post
if lr_scheduler is not None:
lr_scheduler.step()
for k, v in aves.items():
aves[k] = v.item()
trlog[k].append(aves[k])
_sig = 0
t_epoch = utils.time_str(timer_epoch.t())
t_used = utils.time_str(timer_used.t())
t_estimate = utils.time_str(timer_used.t() / epoch * max_epoch)
utils.log('epoch {}, train {:.4f}|{:.4f}, tval {:.4f}|{:.4f}, '
'val {:.4f}|{:.4f}, {} {}/{} (@{})'.format(
epoch, aves['tl'], aves['ta'], aves['tvl'], aves['tva'],
aves['vl'], aves['va'], t_epoch, t_used, t_estimate, _sig))
writer.add_scalars('loss', {
'train': aves['tl'],
'tval': aves['tvl'],
'val': aves['vl'],
}, epoch)
writer.add_scalars('acc', {
'train': aves['ta'],
'tval': aves['tva'],
'val': aves['va'],
}, epoch)
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch': epoch,
'optimizer': config['optimizer'],
'optimizer_args': config['optimizer_args'],
'optimizer_sd': optimizer.state_dict(),
}
save_obj = {
'file': __file__,
'config': config,
'model': config['model'],
'model_args': config['model_args'],
'model_sd': model_.state_dict(),
'training': training,
}
torch.save(save_obj, os.path.join(save_path, 'epoch-last.pth'))
torch.save(trlog, os.path.join(save_path, 'trlog.pth'))
if (save_epoch is not None) and epoch % save_epoch == 0:
torch.save(save_obj,
os.path.join(save_path, 'epoch-{}.pth'.format(epoch)))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(save_obj, os.path.join(save_path, 'max-va.pth'))
writer.flush()
def main(config, args):
random.seed(0)
np.random.seed(0)
torch.manual_seed(0)
torch.cuda.manual_seed(0)
# torch.backends.cudnn.deterministic = True
# torch.backends.cudnn.benchmark = False
wandb_auth()
try:
__IPYTHON__
wandb.init(project="NAS", group=f"maml")
except:
wandb.init(project="NAS", group=f"maml", config=config)
ckpt_name = args.name
if ckpt_name is None:
ckpt_name = config['encoder']
ckpt_name += '_' + config['dataset'].replace('meta-', '')
ckpt_name += '_{}_way_{}_shot'.format(config['train']['n_way'],
config['train']['n_shot'])
if args.tag is not None:
ckpt_name += '_' + args.tag
ckpt_path = os.path.join('./save', ckpt_name)
utils.ensure_path(ckpt_path)
utils.set_log_path(ckpt_path)
writer = SummaryWriter(os.path.join(ckpt_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(ckpt_path, 'config.yaml'), 'w'))
##### Dataset #####
# meta-train
train_set = datasets.make(config['dataset'], **config['train'])
utils.log('meta-train set: {} (x{}), {}'.format(train_set[0][0].shape,
len(train_set),
train_set.n_classes))
# meta-val
eval_val = False
if config.get('val'):
eval_val = True
val_set = datasets.make(config['dataset'], **config['val'])
utils.log('meta-val set: {} (x{}), {}'.format(val_set[0][0].shape,
len(val_set),
val_set.n_classes))
val_loader = DataLoader(val_set,
config['val']['n_episode'],
collate_fn=datasets.collate_fn,
num_workers=1,
pin_memory=True)
# if args.split == "traintrain" and config.get('val'): # TODO I dont think this is what they meant by train-train :D
# train_set = torch.utils.data.ConcatDataset([train_set, val_set])
train_loader = DataLoader(train_set,
config['train']['n_episode'],
collate_fn=datasets.collate_fn,
num_workers=1,
pin_memory=True)
##### Model and Optimizer #####
inner_args = utils.config_inner_args(config.get('inner_args'))
if config.get('load') or (args.load is True and
os.path.exists(ckpt_path + '/epoch-last.pth')):
if config.get('load') is None:
config['load'] = ckpt_path + '/epoch-last.pth'
ckpt = torch.load(config['load'])
config['encoder'] = ckpt['encoder']
config['encoder_args'] = ckpt['encoder_args']
config['classifier'] = ckpt['classifier']
config['classifier_args'] = ckpt['classifier_args']
model = models.load(ckpt,
load_clf=(not inner_args['reset_classifier']))
optimizer, lr_scheduler = optimizers.load(ckpt, model.parameters())
start_epoch = ckpt['training']['epoch'] + 1
max_va = ckpt['training']['max_va']
else:
config['encoder_args'] = config.get('encoder_args') or dict()
config['classifier_args'] = config.get('classifier_args') or dict()
config['encoder_args']['bn_args']['n_episode'] = config['train'][
'n_episode']
config['classifier_args']['n_way'] = config['train']['n_way']
model = models.make(config['encoder'], config['encoder_args'],
config['classifier'], config['classifier_args'])
optimizer, lr_scheduler = optimizers.make(config['optimizer'],
model.parameters(),
**config['optimizer_args'])
start_epoch = 1
max_va = 0.
if args.efficient:
model.go_efficient()
if config.get('_parallel'):
model = nn.DataParallel(model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
timer_elapsed, timer_epoch = utils.Timer(), utils.Timer()
##### Training and evaluation #####
# 'tl': meta-train loss
# 'ta': meta-train accuracy
# 'vl': meta-val loss
# 'va': meta-val accuracy
aves_keys = ['tl', 'ta', 'vl', 'va']
trlog = dict()
for k in aves_keys:
trlog[k] = []
for epoch in tqdm(range(start_epoch, config['epoch'] + 1),
desc="Iterating over epochs"):
timer_epoch.start()
aves = {k: utils.AverageMeter() for k in aves_keys}
# meta-train
model.train()
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
np.random.seed(epoch)
all_sotls = 0
all_sovls = 0
for data_idx, data in enumerate(
tqdm(train_loader, desc='meta-train', leave=False)):
x_shot, x_query, y_shot, y_query = data
x_shot, y_shot = x_shot.cuda(), y_shot.cuda()
x_query, y_query = x_query.cuda(), y_query.cuda()
if inner_args['reset_classifier']:
if config.get('_parallel'):
model.module.reset_classifier()
else:
model.reset_classifier()
if args.split == "traintrain":
x_query = x_shot
y_query = y_shot
logits, sotl, all_losses = model(x_shot,
x_query,
y_shot,
inner_args,
meta_train=True)
# print("HAHHA", data_idx, all_losses)
# sotl = sum([l[-1] for l in all_losses])
# for l in all_losses[:-1]:
# for i in range(len(l)-1):
# l[i] = l[i].detach()
logits = logits.flatten(0, 1)
labels = y_query.flatten()
all_sotls += sotl
pred = torch.argmax(logits, dim=-1)
acc = utils.compute_acc(pred, labels)
loss = F.cross_entropy(logits, labels)
# all_sovls += loss # TODO I think this causes blowup because it creates new tensors that never get discarded and it maintains the computational graph after?
if args.split == "trainval" or (
args.split == "sovl"
and not data_idx % args.sotl_freq == 0):
aves['tl'].update(loss.item(), 1)
aves['ta'].update(acc, 1)
optimizer.zero_grad()
loss.backward()
for param in optimizer.param_groups[0]['params']:
nn.utils.clip_grad_value_(param, 10)
optimizer.step()
elif args.split == "traintrain":
aves['tl'].update(loss.item(), 1)
aves['ta'].update(acc, 1)
# sotl = sum(sotl) + loss
optimizer.zero_grad()
# sotl.backward()
loss.backward()
for param in optimizer.param_groups[0]['params']:
nn.utils.clip_grad_value_(param, 10)
optimizer.step()
elif args.split == "sotl" and data_idx % args.sotl_freq == 0:
# TODO doesnt work whatsoever
aves['tl'].update(loss.item(), 1)
aves['ta'].update(acc, 1)
optimizer.zero_grad()
all_sotls.backward()
for param in optimizer.param_groups[0]['params']:
nn.utils.clip_grad_value_(param, 10)
optimizer.step()
all_sotls = 0 # detach
elif args.split == "sovl" and data_idx % args.sotl_freq == 0:
# TODO doesnt work whatsoever
aves['tl'].update(loss.item(), 1)
aves['ta'].update(acc, 1)
optimizer.zero_grad()
all_sovls.backward()
for param in optimizer.param_groups[0]['params']:
nn.utils.clip_grad_value_(param, 10)
optimizer.step()
all_sovls = 0 # detach
# meta-val
if eval_val:
model.eval()
np.random.seed(0)
for data in tqdm(val_loader, desc='meta-val', leave=False):
x_shot, x_query, y_shot, y_query = data
x_shot, y_shot = x_shot.cuda(), y_shot.cuda()
x_query, y_query = x_query.cuda(), y_query.cuda()
if inner_args['reset_classifier']:
if config.get('_parallel'):
model.module.reset_classifier()
else:
model.reset_classifier()
logits, sotl, all_losses = model(x_shot,
x_query,
y_shot,
inner_args,
meta_train=False)
logits = logits.flatten(0, 1)
labels = y_query.flatten()
pred = torch.argmax(logits, dim=-1)
acc = utils.compute_acc(pred, labels)
loss = F.cross_entropy(logits, labels)
aves['vl'].update(loss.item(), 1)
aves['va'].update(acc, 1)
if lr_scheduler is not None:
lr_scheduler.step()
for k, avg in aves.items():
aves[k] = avg.item()
trlog[k].append(aves[k])
t_epoch = utils.time_str(timer_epoch.end())
t_elapsed = utils.time_str(timer_elapsed.end())
t_estimate = utils.time_str(timer_elapsed.end() /
(epoch - start_epoch + 1) *
(config['epoch'] - start_epoch + 1))
# formats output
log_str = 'epoch {}, meta-train {:.4f}|{:.4f}'.format(
str(epoch), aves['tl'], aves['ta'])
writer.add_scalars('loss', {'meta-train': aves['tl']}, epoch)
writer.add_scalars('acc', {'meta-train': aves['ta']}, epoch)
if eval_val:
log_str += ', meta-val {:.4f}|{:.4f}'.format(
aves['vl'], aves['va'])
writer.add_scalars('loss', {'meta-val': aves['vl']}, epoch)
writer.add_scalars('acc', {'meta-val': aves['va']}, epoch)
wandb.log({
"train_loss": aves['tl'],
"train_acc": aves['ta'],
"val_loss": aves['vl'],
"val_acc": aves['va']
})
log_str += ', {} {}/{}'.format(t_epoch, t_elapsed, t_estimate)
utils.log(log_str)
# saves model and meta-data
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch':
epoch,
'max_va':
max(max_va, aves['va']),
'optimizer':
config['optimizer'],
'optimizer_args':
config['optimizer_args'],
'optimizer_state_dict':
optimizer.state_dict(),
'lr_scheduler_state_dict':
lr_scheduler.state_dict() if lr_scheduler is not None else None,
}
ckpt = {
'file': __file__,
'config': config,
'encoder': config['encoder'],
'encoder_args': config['encoder_args'],
'encoder_state_dict': model_.encoder.state_dict(),
'classifier': config['classifier'],
'classifier_args': config['classifier_args'],
'classifier_state_dict': model_.classifier.state_dict(),
'training': training,
}
# 'epoch-last.pth': saved at the latest epoch
# 'max-va.pth': saved when validation accuracy is at its maximum
torch.save(ckpt, os.path.join(ckpt_path, 'epoch-last.pth'))
torch.save(trlog, os.path.join(ckpt_path, 'trlog.pth'))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(ckpt, os.path.join(ckpt_path, 'max-va.pth'))
writer.flush()
def main(config):
svname = args.name
if svname is None:
svname = 'meta_{}-{}shot'.format(
config['train_dataset'], config['n_shot'])
svname += '_' + config['model'] + '-' + config['model_args']['encoder']
if args.tag is not None:
svname += '_' + args.tag
save_path = os.path.join('./save', svname)
utils.ensure_path(save_path)
utils.set_log_path(save_path)
writer = SummaryWriter(os.path.join(save_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(save_path, 'config.yaml'), 'w'))
#### Dataset ####
n_way, n_shot = config['n_way'], config['n_shot']
n_query = config['n_query']
if config.get('n_train_way') is not None:
n_train_way = config['n_train_way']
else:
n_train_way = n_way
if config.get('n_train_shot') is not None:
n_train_shot = config['n_train_shot']
else:
n_train_shot = n_shot
if config.get('ep_per_batch') is not None:
ep_per_batch = config['ep_per_batch']
else:
ep_per_batch = 1
# train
train_dataset = datasets.make(config['train_dataset'],
**config['train_dataset_args'])
utils.log('train dataset: {} (x{}), {}'.format(
train_dataset[0][0].shape, len(train_dataset),
train_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(train_dataset, 'train_dataset', writer)
train_sampler = CategoriesSampler(
train_dataset.label, config['train_batches'],
n_train_way, n_train_shot + n_query,
ep_per_batch=ep_per_batch)
train_loader = DataLoader(train_dataset, batch_sampler=train_sampler,
num_workers=8, pin_memory=True)
# tval
if config.get('tval_dataset'):
tval_dataset = datasets.make(config['tval_dataset'],
**config['tval_dataset_args'])
utils.log('tval dataset: {} (x{}), {}'.format(
tval_dataset[0][0].shape, len(tval_dataset),
tval_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(tval_dataset, 'tval_dataset', writer)
tval_sampler = CategoriesSampler(
tval_dataset.label, 200,
n_way, n_shot + n_query,
ep_per_batch=4)
tval_loader = DataLoader(tval_dataset, batch_sampler=tval_sampler,
num_workers=8, pin_memory=True)
else:
tval_loader = None
# val
val_dataset = datasets.make(config['val_dataset'],
**config['val_dataset_args'])
utils.log('val dataset: {} (x{}), {}'.format(
val_dataset[0][0].shape, len(val_dataset),
val_dataset.n_classes))
if config.get('visualize_datasets'):
utils.visualize_dataset(val_dataset, 'val_dataset', writer)
val_sampler = CategoriesSampler(
val_dataset.label, 200,
n_way, n_shot + n_query,
ep_per_batch=4)
val_loader = DataLoader(val_dataset, batch_sampler=val_sampler,
num_workers=8, pin_memory=True)
########
#### Model and optimizer ####
if config.get('load'):
model_sv = torch.load(config['load'])
model = models.load(model_sv)
else:
model = models.make(config['model'], **config['model_args'])
if config.get('load_encoder'):
encoder = models.load(torch.load(config['load_encoder'])).encoder
model.encoder.load_state_dict(encoder.state_dict())
if config.get('_parallel'):
model = nn.DataParallel(model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
optimizer, lr_scheduler = utils.make_optimizer(
model.parameters(),
config['optimizer'], **config['optimizer_args'])
########
max_epoch = config['max_epoch']
save_epoch = config.get('save_epoch')
max_va = 0.
timer_used = utils.Timer()
timer_epoch = utils.Timer()
aves_keys = ['tl', 'ta', 'tvl', 'tva', 'vl', 'va']
trlog = dict()
for k in aves_keys:
trlog[k] = []
for epoch in range(1, max_epoch + 1):
timer_epoch.s()
aves = {k: utils.Averager() for k in aves_keys}
# train
model.train()
if config.get('freeze_bn'):
utils.freeze_bn(model)
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
np.random.seed(epoch)
for data, _ in tqdm(train_loader, desc='train', leave=False):
x_shot, x_query = fs.split_shot_query(
data.cuda(), n_train_way, n_train_shot, n_query,
ep_per_batch=ep_per_batch)
label = fs.make_nk_label(n_train_way, n_query,
ep_per_batch=ep_per_batch).cuda()
logits = model(x_shot, x_query).view(-1, n_train_way)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
optimizer.zero_grad()
loss.backward()
optimizer.step()
aves['tl'].add(loss.item())
aves['ta'].add(acc)
logits = None; loss = None
# eval
model.eval()
for name, loader, name_l, name_a in [
('tval', tval_loader, 'tvl', 'tva'),
('val', val_loader, 'vl', 'va')]:
if (config.get('tval_dataset') is None) and name == 'tval':
continue
np.random.seed(0)
for data, _ in tqdm(loader, desc=name, leave=False):
x_shot, x_query = fs.split_shot_query(
data.cuda(), n_way, n_shot, n_query,
ep_per_batch=4)
label = fs.make_nk_label(n_way, n_query,
ep_per_batch=4).cuda()
with torch.no_grad():
logits = model(x_shot, x_query).view(-1, n_way)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
aves[name_l].add(loss.item())
aves[name_a].add(acc)
_sig = int(_[-1])
# post
if lr_scheduler is not None:
lr_scheduler.step()
for k, v in aves.items():
aves[k] = v.item()
trlog[k].append(aves[k])
t_epoch = utils.time_str(timer_epoch.t())
t_used = utils.time_str(timer_used.t())
t_estimate = utils.time_str(timer_used.t() / epoch * max_epoch)
utils.log('epoch {}, train {:.4f}|{:.4f}, tval {:.4f}|{:.4f}, '
'val {:.4f}|{:.4f}, {} {}/{} (@{})'.format(
epoch, aves['tl'], aves['ta'], aves['tvl'], aves['tva'],
aves['vl'], aves['va'], t_epoch, t_used, t_estimate, _sig))
writer.add_scalars('loss', {
'train': aves['tl'],
'tval': aves['tvl'],
'val': aves['vl'],
}, epoch)
writer.add_scalars('acc', {
'train': aves['ta'],
'tval': aves['tva'],
'val': aves['va'],
}, epoch)
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch': epoch,
'optimizer': config['optimizer'],
'optimizer_args': config['optimizer_args'],
'optimizer_sd': optimizer.state_dict(),
}
save_obj = {
'file': __file__,
'config': config,
'model': config['model'],
'model_args': config['model_args'],
'model_sd': model_.state_dict(),
'training': training,
}
torch.save(save_obj, os.path.join(save_path, 'epoch-last.pth'))
torch.save(trlog, os.path.join(save_path, 'trlog.pth'))
if (save_epoch is not None) and epoch % save_epoch == 0:
torch.save(save_obj,
os.path.join(save_path, 'epoch-{}.pth'.format(epoch)))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(save_obj, os.path.join(save_path, 'max-va.pth'))
writer.flush()
def main(config):
svname = config.get('sv_name')
if args.tag is not None:
svname += '_' + args.tag
config['sv_name'] = svname
save_path = os.path.join('./save', svname)
utils.ensure_path(save_path)
utils.set_log_path(save_path)
utils.log(svname)
writer = SummaryWriter(os.path.join(save_path, 'tensorboard'))
yaml.dump(config, open(os.path.join(save_path, 'config.yaml'), 'w'))
#### Dataset ####
n_way, n_shot = config['n_way'], config['n_shot']
n_query = config['n_query']
n_pseudo = config['n_pseudo']
ep_per_batch = config['ep_per_batch']
if config.get('test_batches') is not None:
test_batches = config['test_batches']
else:
test_batches = config['train_batches']
for s in ['train', 'val', 'tval']:
if config.get(f"{s}_dataset_args") is not None:
config[f"{s}_dataset_args"]['data_dir'] = os.path.join(os.getcwd(), os.pardir, 'data_root')
# train
train_dataset = CustomDataset(config['train_dataset'], save_dir=config.get('load_encoder'),
**config['train_dataset_args'])
if config['train_dataset_args']['split'] == 'helper':
with open(os.path.join(save_path, 'train_helper_cls.pkl'), 'wb') as f:
pkl.dump(train_dataset.dataset_classes, f)
train_sampler = EpisodicSampler(train_dataset, config['train_batches'], n_way, n_shot, n_query,
n_pseudo, episodes_per_batch=ep_per_batch)
train_loader = DataLoader(train_dataset, batch_sampler=train_sampler,
num_workers=4, pin_memory=True)
# tval
if config.get('tval_dataset'):
tval_dataset = CustomDataset(config['tval_dataset'],
**config['tval_dataset_args'])
tval_sampler = EpisodicSampler(tval_dataset, test_batches, n_way, n_shot, n_query,
n_pseudo, episodes_per_batch=ep_per_batch)
tval_loader = DataLoader(tval_dataset, batch_sampler=tval_sampler,
num_workers=4, pin_memory=True)
else:
tval_loader = None
# val
val_dataset = CustomDataset(config['val_dataset'],
**config['val_dataset_args'])
val_sampler = EpisodicSampler(val_dataset, test_batches, n_way, n_shot, n_query,
n_pseudo, episodes_per_batch=ep_per_batch)
val_loader = DataLoader(val_dataset, batch_sampler=val_sampler,
num_workers=4, pin_memory=True)
#### Model and optimizer ####
if config.get('load'):
model_sv = torch.load(config['load'])
model = models.load(model_sv)
else:
model = models.make(config['model'], **config['model_args'])
if config.get('load_encoder'):
encoder = models.load(torch.load(config['load_encoder'])).encoder
model.encoder.load_state_dict(encoder.state_dict())
if config.get('freeze_encoder'):
for param in model.encoder.parameters():
param.requires_grad = False
if config.get('_parallel'):
model = nn.DataParallel(model)
utils.log('num params: {}'.format(utils.compute_n_params(model)))
optimizer, lr_scheduler = utils.make_optimizer(
model.parameters(),
config['optimizer'], **config['optimizer_args'])
########
max_epoch = config['max_epoch']
save_epoch = config.get('save_epoch')
max_va = 0.
timer_used = utils.Timer()
timer_epoch = utils.Timer()
aves_keys = ['tl', 'ta', 'tvl', 'tva', 'vl', 'va']
trlog = dict()
for k in aves_keys:
trlog[k] = []
for epoch in range(1, max_epoch + 1):
timer_epoch.s()
aves = {k: utils.Averager() for k in aves_keys}
# train
model.train()
if config.get('freeze_bn'):
utils.freeze_bn(model)
writer.add_scalar('lr', optimizer.param_groups[0]['lr'], epoch)
np.random.seed(epoch)
for data in tqdm(train_loader, desc='train', leave=False):
x_shot, x_query, x_pseudo = fs.split_shot_query(
data.cuda(), n_way, n_shot, n_query, n_pseudo,
ep_per_batch=ep_per_batch)
label = fs.make_nk_label(n_way, n_query,
ep_per_batch=ep_per_batch).cuda()
logits = model(x_shot, x_query, x_pseudo)
logits = logits.view(-1, n_way)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
optimizer.zero_grad()
loss.backward()
optimizer.step()
aves['tl'].add(loss.item())
aves['ta'].add(acc)
logits = None; loss = None
# eval
model.eval()
for name, loader, name_l, name_a in [
('tval', tval_loader, 'tvl', 'tva'),
('val', val_loader, 'vl', 'va')]:
if (config.get('tval_dataset') is None) and name == 'tval':
continue
np.random.seed(0)
for data in tqdm(loader, desc=name, leave=False):
x_shot, x_query, x_pseudo = fs.split_shot_query(
data.cuda(), n_way, n_shot, n_query, n_pseudo,
ep_per_batch=ep_per_batch)
label = fs.make_nk_label(n_way, n_query,
ep_per_batch=ep_per_batch).cuda()
with torch.no_grad():
logits = model(x_shot, x_query, x_pseudo)
logits = logits.view(-1, n_way)
loss = F.cross_entropy(logits, label)
acc = utils.compute_acc(logits, label)
aves[name_l].add(loss.item())
aves[name_a].add(acc)
# post
if lr_scheduler is not None:
lr_scheduler.step()
for k, v in aves.items():
aves[k] = v.item()
trlog[k].append(aves[k])
t_epoch = utils.time_str(timer_epoch.t())
t_used = utils.time_str(timer_used.t())
t_estimate = utils.time_str(timer_used.t() / epoch * max_epoch)
utils.log('epoch {}, train {:.4f}|{:.4f}, tval {:.4f}|{:.4f}, '
'val {:.4f}|{:.4f}, {} {}/{}'.format(
epoch, aves['tl'], aves['ta'], aves['tvl'], aves['tva'],
aves['vl'], aves['va'], t_epoch, t_used, t_estimate))
writer.add_scalars('loss', {
'train': aves['tl'],
'tval': aves['tvl'],
'val': aves['vl'],
}, epoch)
writer.add_scalars('acc', {
'train': aves['ta'],
'tval': aves['tva'],
'val': aves['va'],
}, epoch)
if config.get('_parallel'):
model_ = model.module
else:
model_ = model
training = {
'epoch': epoch,
'optimizer': config['optimizer'],
'optimizer_args': config['optimizer_args'],
'optimizer_sd': optimizer.state_dict(),
}
save_obj = {
'file': __file__,
'config': config,
'model': config['model'],
'model_args': config['model_args'],
'model_sd': model_.state_dict(),
'training': training,
}
torch.save(save_obj, os.path.join(save_path, 'epoch-last.pth'))
torch.save(trlog, os.path.join(save_path, 'trlog.pth'))
if (save_epoch is not None) and epoch % save_epoch == 0:
torch.save(save_obj,
os.path.join(save_path, 'epoch-{}.pth'.format(epoch)))
if aves['va'] > max_va:
max_va = aves['va']
torch.save(save_obj, os.path.join(save_path, 'max-va.pth'))
writer.flush()
def update_all_timer(self):
s = time_str(self.record_time)
self.enrollTime.setText(s)
self.recoTime.setText(s)
self.convTime.setText(s)
import modelPolicyGradient
import utils
import Pong_config as config
## Settings and parameters
experiment_name = None
# experiment_name = '2017-07-13-(05-16-25)' # Complete shit
# experiment_name = '2017-07-13-(05-59-03)' # Complete shit
# experiment_name = '2017-07-12-(17-09-11)' # Almost shit
## Training settings
learning_rate = 1e-3
max_train_frame = 5e7
## Derived settings
run_name = experiment_name or utils.time_str()
logdir = './logdir/' + config.env_name + '/PG/' + run_name
print('logdir\t\t', logdir)
num_run = 1
# env = gym.make(config.env_name)
prepro = utils.Preprocessor_2d(config.num_state, gray=True)
env = utils.EnvironmentInterface(config,
prepro,
action_repeats=4,
obs_buffer_size=4)
for i in range(num_run):
run_name = experiment_name or utils.time_str()
logdir = './logdir/' + config.env_name + '/PG/' + run_name