def changeDues(msg):
typeCheck(msg, {'cardIds': list, 'minDue': int, 'maxDue': int})
cids = msg['cardIds']
with Col() as col:
checkpoint(col, 'Change card dues')
minDue = (msg['minDue'] - col.crt) // 86400
maxDue = (msg['maxDue'] - col.crt) // 86400
for cid in cids:
card = col.getCard(cid)
oldIvl, oldDue = card.ivl, card.due
if card.queue == 0 or card.type == 0: # Ignore for new cards
continue
# TODO: Properly calculate the next interval using exponential learning curve
oldDue = card.due
newDue = random.randint(minDue, maxDue)
print(oldDue, newDue)
card.type = 2
card.queue = 2
card.due = newDue
card.ivl += newDue - oldDue
card.flush()
col.reset()
return emit.emitResult(True)
def test(epoch):
global best_acc
net.eval()
test_loss = 0
correct = 0
total = 0
all_correct = []
with torch.no_grad():
for batch_idx, (inputs, targets) in enumerate(testloader):
if use_cuda:
inputs, targets = inputs.cuda(), targets.cuda()
outputs = net(inputs)
loss = loss_func(outputs, targets)
step_loss = loss.item()
if(args.private):
step_loss /= inputs.shape[0]
test_loss += step_loss
_, predicted = torch.max(outputs.data, 1)
total += targets.size(0)
correct_idx = predicted.eq(targets.data).cpu()
all_correct += correct_idx.numpy().tolist()
correct += correct_idx.sum()
acc = 100.*float(correct)/float(total)
print('test loss:%.5f'%(test_loss/(batch_idx+1)), 'test acc:', acc)
## Save checkpoint.
if acc > best_acc:
best_acc = acc
checkpoint(net, acc, epoch, args.sess)
return (test_loss/batch_idx, acc)
def resetScheduling(msg):
typeCheck(msg, {'cardIds': list})
cids = msg['cardIds']
with Col() as col:
checkpoint(col, "Reset scheduling and learning on selected cards")
col.sched.resetCards(cids)
col.sched.removeLrn(cids)
return emit.emitResult(True)
def main(hparams):
# Set up some stuff accoring to hparams
hparams.n_input = np.prod(hparams.image_shape)
utils.set_num_measurements(hparams)
utils.print_hparams(hparams)
# get inputs
data_dict = model_input(hparams)
estimator = utils.get_estimator(hparams, 'vae')
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses = utils.load_checkpoints(hparams)
h_hats_dict = {model_type: {} for model_type in hparams.model_types}
for key, x in data_dict.iteritems():
if not hparams.not_lazy:
# If lazy, first check if the image has already been
# saved before by *all* estimators. If yes, then skip this image.
save_paths = utils.get_save_paths(hparams, key)
is_saved = all([
os.path.isfile(save_path) for save_path in save_paths.values()
])
if is_saved:
continue
# Get Rx data
Rx = data_dict[key]['Rx_data']
Tx = data_dict[key]['Rx_data']
H = data_dict[key]['H_data']
# Construct estimates using each estimator
h_hat = estimator(Tx, Rx, hparams)
# Save the estimate
h_hats_dict['vae'][key] = h_hat
# Compute and store measurement and l2 loss
measurement_losses['vae'][key] = utils.get_measurement_loss(
h_hat, Tx, Rx)
l2_losses['vae'][key] = utils.get_l2_loss(h_hat, H)
print 'Processed upto image {0} / {1}'.format(key + 1, len(data_dict))
# Checkpointing
if (hparams.save_images) and ((key + 1) % hparams.checkpoint_iter
== 0):
utils.checkpoint(key, h_hat, measurement_losses, l2_losses,
save_image, hparams)
print '\nProcessed and saved first ', key + 1, 'channels\n'
def test(epoch, train_loss):
model.eval()
projector.eval()
# Save at the last epoch #
if epoch == args.epoch - 1 and args.local_rank % ngpus_per_node == 0:
checkpoint(model, train_loss, epoch, args, optimizer)
checkpoint(projector,
train_loss,
epoch,
args,
optimizer,
save_name_add='_projector')
# Save at every 100 epoch #
elif epoch % 100 == 0 and args.local_rank % ngpus_per_node == 0:
checkpoint(model,
train_loss,
epoch,
args,
optimizer,
save_name_add='_epoch_' + str(epoch))
checkpoint(projector,
train_loss,
epoch,
args,
optimizer,
save_name_add=('_projector_epoch_' + str(epoch)))
def encode(self, x):
loglikelihood_accum = 0
zout = []
z = x.clone()
z.requires_grad = True
for L in range(self.num_blocks):
# squeeze - ensures the channel dimension is divisible by 2
z = self.squeezes[L](z)
for K in range(self.num_layers_per_block):
# permute
z, plogdet = self.permutes[L][K](z)
if self.checkpoint_gradients:
z, logdet = utils.checkpoint(self.flows[L][K], z)
else:
z, logdet = self.flows[L][K](z)
loglikelihood_accum = loglikelihood_accum + (logdet + plogdet)
del plogdet
del logdet
# split hierarchical
# this operation returns two non-contiguous blocks
# with references to the original z tensor
# if we do not call .contiguous() (or .clone()) on BOTH z1 and z2,
# then the entire z tensor must be kept around
# the del operators just do a little cleanup to avoid a (very) slight memory bump
z1, z2 = torch.chunk(z, 2, dim=1)
z1 = z1.contiguous()
z2 = z2.contiguous()
zout.append(z1)
del z
z = z2
del z2
zout.append(z)
return zout, loglikelihood_accum
def main(hparams):
# Set up some stuff according to hparams
hparams.n_input = np.prod(hparams.image_shape)
maxiter = hparams.max_outer_iter
utils.print_hparams(hparams)
# get inputs
xs_dict = model_input(hparams)
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses = utils.load_checkpoints(hparams)
x_hats_dict = {'dcgan' : {}}
x_batch_dict = {}
for key, x in xs_dict.iteritems():
if hparams.lazy:
# If lazy, first check if the image has already been
# saved before by *all* estimators. If yes, then skip this image.
save_paths = utils.get_save_paths(hparams, key)
is_saved = all([os.path.isfile(save_path) for save_path in save_paths.values()])
if is_saved:
continue
x_batch_dict[key] = x
if len(x_batch_dict) < hparams.batch_size:
continue
# Reshape input
x_batch_list = [x.reshape(1, hparams.n_input) for _, x in x_batch_dict.iteritems()]
x_batch = np.concatenate(x_batch_list)
# Construct measurements
A_outer = utils.get_outer_A(hparams)
y_batch_outer=np.matmul(x_batch, A_outer)
x_main_batch = 0.0 * x_batch
z_opt_batch = np.random.randn(hparams.batch_size, 100)
for k in range(maxiter):
x_est_batch=x_main_batch + hparams.outer_learning_rate*(np.matmul((y_batch_outer-np.matmul(x_main_batch,A_outer)),A_outer.T))
estimator = estimators['dcgan']
x_hat_batch,z_opt_batch = estimator(x_est_batch,z_opt_batch, hparams)
x_main_batch=x_hat_batch
for i, key in enumerate(x_batch_dict.keys()):
x = xs_dict[key]
y = y_batch_outer[i]
x_hat = x_hat_batch[i]
# Save the estimate
x_hats_dict['dcgan'][key] = x_hat
# Compute and store measurement and l2 loss
measurement_losses['dcgan'][key] = utils.get_measurement_loss(x_hat, A_outer, y)
l2_losses['dcgan'][key] = utils.get_l2_loss(x_hat, x)
print 'Processed upto image {0} / {1}'.format(key+1, len(xs_dict))
# Checkpointing
if (hparams.save_images) and ((key+1) % hparams.checkpoint_iter == 0):
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses, save_image, hparams)
#x_hats_dict = {'dcgan' : {}}
print '\nProcessed and saved first ', key+1, 'images\n'
x_batch_dict = {}
# Final checkpoint
if hparams.save_images:
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses, save_image, hparams)
print '\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict))
if hparams.print_stats:
for model_type in hparams.model_types:
print model_type
mean_m_loss = np.mean(measurement_losses[model_type].values())
mean_l2_loss = np.mean(l2_losses[model_type].values())
print 'mean measurement loss = {0}'.format(mean_m_loss)
print 'mean l2 loss = {0}'.format(mean_l2_loss)
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print '\nDid NOT process last {} images because they did not fill up the last batch.'.format(len(x_batch_dict))
print 'Consider rerunning lazily with a smaller batch size.'
def main(hparams):
hparams.n_input = np.prod(hparams.image_shape)
maxiter = hparams.max_outer_iter
utils.print_hparams(hparams)
xs_dict = model_input(hparams)
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses = utils.load_checkpoints(hparams)
x_hats_dict = {'dcgan': {}}
x_batch_dict = {}
for key, x in xs_dict.iteritems():
x_batch_dict[key] = x
if len(x_batch_dict) < hparams.batch_size:
continue
x_coll = [
x.reshape(1, hparams.n_input) for _, x in x_batch_dict.iteritems()
]
x_batch = np.concatenate(x_coll)
A_outer = utils.get_outer_A(hparams)
# 1bitify
y_batch_outer = np.sign(np.matmul(x_batch, A_outer))
x_main_batch = 0.0 * x_batch
z_opt_batch = np.random.randn(hparams.batch_size, 100)
for k in range(maxiter):
x_est_batch = x_main_batch + hparams.outer_learning_rate * (
np.matmul(
(y_batch_outer -
np.sign(np.matmul(x_main_batch, A_outer))), A_outer.T))
estimator = estimators['dcgan']
x_hat_batch, z_opt_batch = estimator(x_est_batch, z_opt_batch,
hparams)
x_main_batch = x_hat_batch
for i, key in enumerate(x_batch_dict.keys()):
x = xs_dict[key]
y = y_batch_outer[i]
x_hat = x_hat_batch[i]
x_hats_dict['dcgan'][key] = x_hat
measurement_losses['dcgan'][key] = utils.get_measurement_loss(
x_hat, A_outer, y)
l2_losses['dcgan'][key] = utils.get_l2_loss(x_hat, x)
print 'Processed upto image {0} / {1}'.format(key + 1, len(xs_dict))
if (hparams.save_images) and ((key + 1) % hparams.checkpoint_iter
== 0):
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
print '\nProcessed and saved first ', key + 1, 'images\n'
x_batch_dict = {}
if hparams.save_images:
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
print '\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict))
if hparams.print_stats:
for model_type in hparams.model_types:
print model_type
mean_m_loss = np.mean(measurement_losses[model_type].values())
mean_l2_loss = np.mean(l2_losses[model_type].values())
print 'mean measurement loss = {0}'.format(mean_m_loss)
print 'mean l2 loss = {0}'.format(mean_l2_loss)
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print '\nDid NOT process last {} images because they did not fill up the last batch.'.format(
len(x_batch_dict))
print 'Consider rerunning lazily with a smaller batch size.'
import torch
import utils
from option import args #set the args in option.py
from data import data
from trainer import Trainer
if __name__ == '__main__':
# set the random seed, so the later rand func can return reproducible results
torch.manual_seed(args.seed)
checkpoint = utils.checkpoint(args) # log related
if checkpoint.ok:
my_loader = data(args).get_loader() # init DataLoader
t = Trainer(my_loader, checkpoint, args)
while not t.terminate():
t.train()
t.test()
checkpoint.done()
def main():
start_epoch = 0
best_prec1 = 0.0
seed = np.random.randint(10000)
if seed is not None:
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
if args.gpus is not None:
device = torch.device("cuda:{}".format(args.gpus[0]))
cudnn.benchmark = False
cudnn.deterministic = True
cudnn.enabled = True
else:
device = torch.device("cpu")
now = datetime.now().strftime('%Y-%m-%d-%H:%M:%S')
if args.mission is not None:
if 'vgg' == args.arch and args.batchnorm:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}_bn/{args.mission}/{now}'
elif 'resnet20' == args.arch:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}/{args.mission}/{now}'
else:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}/{args.mission}/{now}'
else:
if 'vgg' == args.arch and args.batchnorm:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}_bn/{now}'
else:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}/{now}'
_make_dir(args.job_dir)
ckpt = utils.checkpoint(args)
print_logger = utils.get_logger(os.path.join(args.job_dir, "logger.log"))
utils.print_params(vars(args), print_logger.info)
log_file = os.path.join(args.job_dir, 'search_log.csv')
writer_train = SummaryWriter(args.job_dir + '/run/train')
writer_test = SummaryWriter(args.job_dir + '/run/test')
## hyperparameters settings ##
n_layers = (args.num_layers - 2) * 2
unit_k_bits = int(args.k_bits)
kbits_list = [unit_k_bits for i in range(n_layers)]
print_logger.info(f'k_bits_list {kbits_list}')
# Data loading
print('=> Preparing data..')
if args.dataset in ['cifar10', 'cifar100', 'mnist']:
IMAGE_SIZE = 32
else:
IMAGE_SIZE = 224
if args.dataset == 'imagenet':
# train_loader = get_imagenet_iter_dali(type = 'train',image_dir=args.data_dir, batch_size=args.train_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
# val_loader = get_imagenet_iter_dali(type='val', image_dir=args.data_dir, batch_size=args.eval_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
train_data = get_imagenet_iter_torch(type='train',
image_dir=args.base_data_dir,
batch_size=args.train_batch_size,
num_threads=args.workers,
crop=IMAGE_SIZE,
device_id=0,
num_gpus=1)
elif args.dataset == 'cifar10':
train_transform, test_transform = utils._data_transforms_cifar10(
cutout=args.cutout)
train_data = torchvision.datasets.CIFAR10(args.data_dir,
train=True,
transform=train_transform,
download=True)
# test_data = torchvision.datasets.CIFAR10(args.data_dir,train=False, transform=test_transform, download=True)
# train_loader = get_cifar_iter_dali(type='train', image_dir=args.data_dir, batch_size=args.train_batch_size,num_threads=args.workers)
# val_loader = get_cifar_iter_dali(type='val', image_dir=args.data_dir, batch_size=args.eval_batch_size,num_threads=args.workers)
# Create model
# Create model
print('=> Building model...')
if args.dataset == 'cifar10' or args.dataset == 'mnist':
num_classes = 10
train_data_length = 50000
eval_data_length = 10000
elif args.dataset == 'imagenet':
num_classes = 1000
train_data_length = 50000
eval_data_length = 10000
if args.arch == 'mobilenetv2':
model_config = {
'k_bits': kbits_list,
'num_layers': args.num_layers,
'pre_k_bits': args.pre_k_bits,
'ratio': args.ratio,
'width_mult': args.width_mult
}
else:
model_config = {
'k_bits': kbits_list,
'num_layers': args.num_layers,
'pre_k_bits': args.pre_k_bits,
'ratio': args.ratio
}
if 'vgg' == args.arch and args.batchnorm:
model, model_k_bits = import_module(
f"models.{args.dataset}.{args.archtype}.{args.arch}"
).__dict__[f'{args.arch}{args.num_layers}_bn'](model_config)
elif 'resnet20' == args.arch:
model, model_k_bits = import_module(
f"models.{args.dataset}.{args.archtype}.{args.arch}"
).__dict__[f'{args.arch}'](model_config)
else:
model, model_k_bits = import_module(
f"models.{args.dataset}.{args.archtype}.{args.arch}"
).__dict__[f'{args.arch}{args.num_layers}'](model_config)
model = model.to(device)
print_logger.info(f'model_k_bits_list {model_k_bits}')
# Define loss function (criterion) and optimizer
criterion = nn.CrossEntropyLoss()
# Optionally resume from a checkpoint
resume = args.resume
if resume:
print('=> Loading checkpoint {}'.format(resume))
checkpoint = torch.load(resume, map_location=device)
state_dict = checkpoint['state_dict']
start_epoch = checkpoint['epoch']
pre_train_best_prec1 = checkpoint['best_prec1']
model_check = load_check(state_dict, model)
model.load_state_dict(model_check)
print('Prec@1:', pre_train_best_prec1)
else:
checkpoint = model.state_dict()
choose_model,k_bits = architecture_search(args=args,nn_model=model,device = device,checkpoint=checkpoint, \
step=args.step,criterion=criterion,train_data=train_data,train_batch_size=args.train_batch_size, \
eval_batch_size=args.eval_batch_size,train_data_length = train_data_length, \
eval_data_length = eval_data_length,clip_value=args.grad_clip,lam=args.lam,\
gpu_id = 0,print_logger = print_logger,ckpt = ckpt,log_file=log_file)
# gradients metric
wandb.watch(gen)
wandb.watch(critic)
# model mode
gen.train()
critic.train()
start_time = time.time()
for epoch in range(start_epoch, end_epoch + 1):
train_one_epoch(epoch,
dataloader,
gen,
critic,
opt_gen,
opt_critic,
fixed_noise,
device,
metric_logger,
num_samples=cfg.NUM_SAMPLES,
freq=cfg.FREQ)
if epoch == cfg.NUM_EPOCHS + 1:
checkpoint(epoch, end_epoch, gen, critic, opt_gen, opt_critic,
fixed_noise)
elif epoch % cfg.SAVE_EACH_EPOCH == 0:
checkpoint(epoch, end_epoch, gen, critic, opt_gen, opt_critic,
fixed_noise)
total_time = time.time() - start_time
print(f"=> Training time:{total_time}")
def main(hparams):
# set up perceptual loss
device = 'cuda:0'
percept = PerceptualLoss(
model="net-lin", net="vgg", use_gpu=device.startswith("cuda")
)
utils.print_hparams(hparams)
# get inputs
xs_dict = model_input(hparams)
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses, lpips_scores, z_hats = utils.load_checkpoints(hparams)
x_hats_dict = {model_type : {} for model_type in hparams.model_types}
x_batch_dict = {}
A = utils.get_A(hparams)
noise_batch = hparams.noise_std * np.random.standard_t(2, size=(hparams.batch_size, hparams.num_measurements))
for key, x in xs_dict.items():
if not hparams.not_lazy:
# If lazy, first check if the image has already been
# saved before by *all* estimators. If yes, then skip this image.
save_paths = utils.get_save_paths(hparams, key)
is_saved = all([os.path.isfile(save_path) for save_path in save_paths.values()])
if is_saved:
continue
x_batch_dict[key] = x
if len(x_batch_dict) < hparams.batch_size:
continue
# Reshape input
x_batch_list = [x.reshape(1, hparams.n_input) for _, x in x_batch_dict.items()]
x_batch = np.concatenate(x_batch_list)
# Construct noise and measurements
y_batch = utils.get_measurements(x_batch, A, noise_batch, hparams)
# Construct estimates using each estimator
for model_type in hparams.model_types:
estimator = estimators[model_type]
x_hat_batch, z_hat_batch, m_loss_batch = estimator(A, y_batch, hparams)
for i, key in enumerate(x_batch_dict.keys()):
x = xs_dict[key]
y_train = y_batch[i]
x_hat = x_hat_batch[i]
# Save the estimate
x_hats_dict[model_type][key] = x_hat
# Compute and store measurement and l2 loss
measurement_losses[model_type][key] = m_loss_batch[key]
l2_losses[model_type][key] = utils.get_l2_loss(x_hat, x)
lpips_scores[model_type][key] = utils.get_lpips_score(percept, x_hat, x, hparams.image_shape)
z_hats[model_type][key] = z_hat_batch[i]
print('Processed upto image {0} / {1}'.format(key+1, len(xs_dict)))
# Checkpointing
if (hparams.save_images) and ((key+1) % hparams.checkpoint_iter == 0):
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses, lpips_scores, z_hats, save_image, hparams)
x_hats_dict = {model_type : {} for model_type in hparams.model_types}
print('\nProcessed and saved first ', key+1, 'images\n')
x_batch_dict = {}
# Final checkpoint
if hparams.save_images:
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses, lpips_scores, z_hats, save_image, hparams)
print('\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict)))
if hparams.print_stats:
for model_type in hparams.model_types:
print(model_type)
measurement_loss_list = list(measurement_losses[model_type].values())
l2_loss_list = list(l2_losses[model_type].values())
mean_m_loss = np.mean(measurement_loss_list)
mean_l2_loss = np.mean(l2_loss_list)
print('mean measurement loss = {0}'.format(mean_m_loss))
print('mean l2 loss = {0}'.format(mean_l2_loss))
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print('\nDid NOT process last {} images because they did not fill up the last batch.'.format(len(x_batch_dict)))
print('Consider rerunning lazily with a smaller batch size.')
print('Evaluating model!')
val_miou, val_ciou, val_acc = validation(model, loader_val, cfg)
history['val_miou'].append(val_miou)
history['val_ciou'].append(val_ciou)
history['val_acc'].append(val_acc)
if val_miou > best_pred[0]:
best_pred[0] = val_miou
best_model= True
else:
best_model=False
if val_acc > best_pred[1]:
best_pred[1] = val_acc
print('Best validation IOU and Acc:', best_pred)
checkpoint(state={'epoch': epoch,
'encoder': net_encoder.state_dict(),
'decoder': net_decoder.state_dict(),
'optimizer': optimizer.state_dict()},
cfg=cfg, best= best_model, history= history)
utils.tensorboard_log_test(avg_accuracy, avg_loss, std)
print('$' * 80)
print('TEST: Epoch {} loss: {:.4f} accuracy: {:%} std: {:.4f}'.format(
epoch, avg_loss, avg_accuracy, std))
# Run the experiment ==========================================================
try:
for epoch in range(params.n_epochs):
train(epoch)
if epoch % params.valid_eval_freq == 0:
valid(epoch)
if epoch % params.checkpoint_freq == 0:
checkpoint_path = os.path.join(params.checkpoint_dir,
'model_' + str(epoch) + '.pt')
utils.checkpoint(model, checkpoint_path)
print('Training finished')
checkpoint_path = os.path.join(params.checkpoint_dir, 'model_last.pt')
utils.checkpoint(model, checkpoint_path)
print('Model saved. Evaluating test set')
test()
except KeyboardInterrupt:
print('Keyboard Interrupt received. Saving, testing, and shutting down')
checkpoint_path = os.path.join(params.checkpoint_dir, 'model_last.pt')
utils.checkpoint(model, checkpoint_path)
print('Model saved. Evaluating test set')
test()
def main(args):
# Setup datasets
dload_train, dload_train_labeled, dload_valid, dload_test = get_data(args)
# Model and buffer
sample_q = get_sample_q(args)
f, replay_buffer = get_model_and_buffer(args, sample_q)
# Setup Optimizer
params = f.class_output.parameters() if args.clf_only else f.parameters()
if args.optimizer == "adam":
optim = torch.optim.Adam(params,
lr=args.lr,
betas=[0.9, 0.999],
weight_decay=args.weight_decay)
else:
optim = torch.optim.SGD(params,
lr=args.lr,
momentum=0.9,
weight_decay=args.weight_decay)
best_valid_acc = 0.0
cur_iter = 0
for epoch in range(args.start_epoch, args.n_epochs):
# Decay lr
if epoch in args.decay_epochs:
for param_group in optim.param_groups:
new_lr = param_group["lr"] * args.decay_rate
param_group["lr"] = new_lr
# Load data
for i, (x_p_d, _) in tqdm(enumerate(dload_train)):
# Warmup
if cur_iter <= args.warmup_iters:
lr = args.lr * cur_iter / float(args.warmup_iters)
for param_group in optim.param_groups:
param_group["lr"] = lr
x_p_d = x_p_d.to(device)
x_lab, y_lab = dload_train_labeled.__next__()
x_lab, y_lab = x_lab.to(device), y_lab.to(device)
# Label smoothing
dist = smooth_one_hot(y_lab, args.n_classes, args.smoothing)
L = 0.0
# log p(y|x) cross entropy loss
if args.pyxce > 0:
logits = f.classify(x_lab)
l_pyxce = KHotCrossEntropyLoss()(logits, dist)
if cur_iter % args.print_every == 0:
acc = (logits.max(1)[1] == y_lab).float().mean()
print("p(y|x)CE {}:{:>d} loss={:>14.9f}, acc={:>14.9f}".
format(epoch, cur_iter, l_pyxce.item(), acc.item()))
logger.record_dict({
"l_pyxce": l_pyxce.cpu().data.item(),
"acc_pyxce": acc.item()
})
L += args.pyxce * l_pyxce
# log p(x) using sgld
if args.pxsgld > 0:
if args.class_cond_p_x_sample:
assert not args.uncond, "can only draw class-conditional samples if EBM is class-cond"
y_q = torch.randint(0, args.n_classes,
(args.sgld_batch_size, )).to(device)
x_q = sample_q(f, replay_buffer, y=y_q)
else:
x_q = sample_q(f, replay_buffer) # sample from log-sumexp
fp_all = f(x_p_d)
fq_all = f(x_q)
fp = fp_all.mean()
fq = fq_all.mean()
l_pxsgld = -(fp - fq)
if cur_iter % args.print_every == 0:
print(
"p(x)SGLD | {}:{:>d} loss={:>14.9f} f(x_p_d)={:>14.9f} f(x_q)={:>14.9f}"
.format(epoch, i, l_pxsgld, fp, fq))
logger.record_dict(
{"l_pxsgld": l_pxsgld.cpu().data.item()})
L += args.pxsgld * l_pxsgld
# log p(x) using contrastive learning
if args.pxcontrast > 0:
# ones like dist to use all indexes
ones_dist = torch.ones_like(dist).to(device)
output, target, ce_output, neg_num = f.joint(img=x_lab,
dist=ones_dist)
l_pxcontrast = nn.CrossEntropyLoss(reduction="mean")(output,
target)
if cur_iter % args.print_every == 0:
acc = (ce_output.max(1)[1] == y_lab).float().mean()
print(
"p(x)Contrast {}:{:>d} loss={:>14.9f}, acc={:>14.9f}".
format(epoch, cur_iter, l_pxcontrast.item(),
acc.item()))
logger.record_dict({
"l_pxcontrast":
l_pxcontrast.cpu().data.item(),
"acc_pxcontrast":
acc.item()
})
L += args.pxycontrast * l_pxcontrast
# log p(x|y) using sgld
if args.pxysgld > 0:
x_q_lab = sample_q(f, replay_buffer, y=y_lab)
fp, fq = f(x_lab).mean(), f(x_q_lab).mean()
l_pxysgld = -(fp - fq)
if cur_iter % args.print_every == 0:
print(
"p(x|y)SGLD | {}:{:>d} loss={:>14.9f} f(x_p_d)={:>14.9f} f(x_q)={:>14.9f}"
.format(epoch, i, l_pxysgld.item(), fp, fq))
logger.record_dict(
{"l_pxysgld": l_pxysgld.cpu().data.item()})
L += args.pxsgld * l_pxysgld
# log p(x|y) using contrastive learning
if args.pxycontrast > 0:
output, target, ce_output, neg_num = f.joint(img=x_lab,
dist=dist)
l_pxycontrast = nn.CrossEntropyLoss(reduction="mean")(output,
target)
if cur_iter % args.print_every == 0:
acc = (ce_output.max(1)[1] == y_lab).float().mean()
print(
"p(x|y)Contrast {}:{:>d} loss={:>14.9f}, acc={:>14.9f}"
.format(epoch, cur_iter, l_pxycontrast.item(),
acc.item()))
logger.record_dict({
"l_pxycontrast":
l_pxycontrast.cpu().data.item(),
"acc_pxycontrast":
acc.item()
})
L += args.pxycontrast * l_pxycontrast
# SGLD training of log q(x) may diverge
# break here and record information to restart
if L.abs().item() > 1e8:
print("restart epoch: {}".format(epoch))
print("save dir: {}".format(args.log_dir))
print("id: {}".format(args.id))
print("steps: {}".format(args.n_steps))
print("seed: {}".format(args.seed))
print("exp prefix: {}".format(args.exp_prefix))
sys.stdout = sys.__stdout__
sys.stderr = sys.__stderr__
print("restart epoch: {}".format(epoch))
print("save dir: {}".format(args.log_dir))
print("id: {}".format(args.id))
print("steps: {}".format(args.n_steps))
print("seed: {}".format(args.seed))
print("exp prefix: {}".format(args.exp_prefix))
assert False, "shit loss explode..."
optim.zero_grad()
L.backward()
optim.step()
cur_iter += 1
if epoch % args.plot_every == 0:
if args.plot_uncond:
if args.class_cond_p_x_sample:
assert not args.uncond, "can only draw class-conditional samples if EBM is class-cond"
y_q = torch.randint(0, args.n_classes,
(args.sgld_batch_size, )).to(device)
x_q = sample_q(f, replay_buffer, y=y_q)
plot(
"{}/x_q_{}_{:>06d}.png".format(args.log_dir, epoch, i),
x_q)
if args.plot_contrast:
x_q = sample_q(f, replay_buffer, y=y_q, contrast=True)
plot(
"{}/contrast_x_q_{}_{:>06d}.png".format(
args.log_dir, epoch, i), x_q)
else:
x_q = sample_q(f, replay_buffer)
plot(
"{}/x_q_{}_{:>06d}.png".format(args.log_dir, epoch, i),
x_q)
if args.plot_contrast:
x_q = sample_q(f, replay_buffer, contrast=True)
plot(
"{}/contrast_x_q_{}_{:>06d}.png".format(
args.log_dir, epoch, i), x_q)
if args.plot_cond: # generate class-conditional samples
y = torch.arange(0, args.n_classes)[None].repeat(
args.n_classes,
1).transpose(1, 0).contiguous().view(-1).to(device)
x_q_y = sample_q(f, replay_buffer, y=y)
plot("{}/x_q_y{}_{:>06d}.png".format(args.log_dir, epoch, i),
x_q_y)
if args.plot_contrast:
y = torch.arange(0, args.n_classes)[None].repeat(
args.n_classes,
1).transpose(1, 0).contiguous().view(-1).to(device)
x_q_y = sample_q(f, replay_buffer, y=y, contrast=True)
plot(
"{}/contrast_x_q_y_{}_{:>06d}.png".format(
args.log_dir, epoch, i), x_q_y)
if args.ckpt_every > 0 and epoch % args.ckpt_every == 0:
checkpoint(f, replay_buffer, f"ckpt_{epoch}.pt", args)
if epoch % args.eval_every == 0:
# Validation set
correct, val_loss = eval_classification(f, dload_valid)
if correct > best_valid_acc:
best_valid_acc = correct
print("Best Valid!: {}".format(correct))
checkpoint(f, replay_buffer, "best_valid_ckpt.pt", args)
# Test set
correct, test_loss = eval_classification(f, dload_test)
print("Epoch {}: Valid Loss {}, Valid Acc {}".format(
epoch, val_loss, correct))
print("Epoch {}: Test Loss {}, Test Acc {}".format(
epoch, test_loss, correct))
f.train()
logger.record_dict({
"Epoch":
epoch,
"Valid Loss":
val_loss,
"Valid Acc":
correct.detach().cpu().numpy(),
"Test Loss":
test_loss,
"Test Acc":
correct.detach().cpu().numpy(),
"Best Valid":
best_valid_acc.detach().cpu().numpy(),
"Loss":
L.cpu().data.item(),
})
checkpoint(f, replay_buffer, "last_ckpt.pt", args)
logger.dump_tabular()
output = output.view(-1, opt.embed_dim).float()
loss = criterion_lm(output, target) / batch.token.size(0)
loss.backward()
forward_losses += float(loss)
optimizer_lm.step()
print("\nforward LM loss: {}".format(forward_losses))
print("backward LM loss: {}".format(backward_losses))
############ transport pretrained layers ###############
for key, state in lm_model.state_dict().items():
model.state_dict()[key] = state
checkpoint(opt.lm_epoch,
model,
os.path.join(CURRENT_DIR,
'../models/pretrained_bilstm_crf.pth'),
opt.batch_size,
interrupted=False,
use_gpu=opt.gpu)
if opt.use_pretrain:
print("========== use pretrain model ===========")
model.load_state_dict(torch.load(opt.use_pretrain))
print(model)
############ start training ################
train_iter = BucketIterator(train_dataset,
batch_size=opt.batch_size,
shuffle=True,
repeat=False,
log[i].append({})
model.train()
for k, batch in tqdm(zip(ts, trainLoader)):
t = time.time()
loss_train = process_batch(batch, loss_train, i, k, 'train', t0)
t_optim += time.time() - t
for key, value in loss_train.items():
log[i][j][key] = float(np.mean(value[-opt.nbatch_train:]))
log[i][j]['train_batch'] = k
model.eval()
for k, batch in zip(vs, valLoader):
t = time.time()
loss_val = process_batch(batch, loss_val, i, k, 'val', t0)
t_optim += time.time() - t
for key, value in loss_val.items():
log[i][j][key] = float(np.mean(value[-opt.nbatch_val:]))
# optionally update LR after each epoch/minibatch
model.lr_step()
utils.checkpoint('%d_%d' %(i, j), model, log, opt)
log[i][j]['time(optim)'] = '%.2f(%.2f)' %(time.time() - t0, t_optim)
print(log[i][j])
except KeyboardInterrupt:
time.sleep(2) # waiting for all threads to stop
print('-' * 89)
save = input('Exiting early, save the last model?[y/n]')
if save == 'y':
print('Saving...')
utils.checkpoint('final', model, log, opt)
def train(config):
gpu_manage(config)
### DATASET LOAD ###
print('===> Loading datasets')
dataset = TrainDataset(config)
print('dataset:', len(dataset))
train_size = int((1 - config.validation_size) * len(dataset))
validation_size = len(dataset) - train_size
train_dataset, validation_dataset = torch.utils.data.random_split(
dataset, [train_size, validation_size])
print('train dataset:', len(train_dataset))
print('validation dataset:', len(validation_dataset))
training_data_loader = DataLoader(dataset=train_dataset,
num_workers=config.threads,
batch_size=config.batchsize,
shuffle=True)
validation_data_loader = DataLoader(dataset=validation_dataset,
num_workers=config.threads,
batch_size=config.validation_batchsize,
shuffle=False)
### MODELS LOAD ###
print('===> Loading models')
gen = Generator(gpu_ids=config.gpu_ids)
if config.gen_init is not None:
param = torch.load(config.gen_init)
gen.load_state_dict(param)
print('load {} as pretrained model'.format(config.gen_init))
dis = Discriminator(in_ch=config.in_ch,
out_ch=config.out_ch,
gpu_ids=config.gpu_ids)
if config.dis_init is not None:
param = torch.load(config.dis_init)
dis.load_state_dict(param)
print('load {} as pretrained model'.format(config.dis_init))
# setup optimizer
opt_gen = optim.Adam(gen.parameters(),
lr=config.lr,
betas=(config.beta1, 0.999),
weight_decay=0.00001)
opt_dis = optim.Adam(dis.parameters(),
lr=config.lr,
betas=(config.beta1, 0.999),
weight_decay=0.00001)
real_a = torch.FloatTensor(config.batchsize, config.in_ch, config.width,
config.height)
real_b = torch.FloatTensor(config.batchsize, config.out_ch, config.width,
config.height)
M = torch.FloatTensor(config.batchsize, config.width, config.height)
criterionL1 = nn.L1Loss()
criterionMSE = nn.MSELoss()
criterionSoftplus = nn.Softplus()
if config.cuda:
gen = gen.cuda()
dis = dis.cuda()
criterionL1 = criterionL1.cuda()
criterionMSE = criterionMSE.cuda()
criterionSoftplus = criterionSoftplus.cuda()
real_a = real_a.cuda()
real_b = real_b.cuda()
M = M.cuda()
real_a = Variable(real_a)
real_b = Variable(real_b)
logreport = LogReport(log_dir=config.out_dir)
validationreport = TestReport(log_dir=config.out_dir)
print('===> begin')
start_time = time.time()
# main
for epoch in range(1, config.epoch + 1):
epoch_start_time = time.time()
for iteration, batch in enumerate(training_data_loader, 1):
real_a_cpu, real_b_cpu, M_cpu = batch[0], batch[1], batch[2]
real_a.data.resize_(real_a_cpu.size()).copy_(real_a_cpu)
real_b.data.resize_(real_b_cpu.size()).copy_(real_b_cpu)
M.data.resize_(M_cpu.size()).copy_(M_cpu)
att, fake_b = gen.forward(real_a)
################
### Update D ###
################
opt_dis.zero_grad()
# train with fake
fake_ab = torch.cat((real_a, fake_b), 1)
pred_fake = dis.forward(fake_ab.detach())
batchsize, _, w, h = pred_fake.size()
loss_d_fake = torch.sum(
criterionSoftplus(pred_fake)) / batchsize / w / h
# train with real
real_ab = torch.cat((real_a, real_b), 1)
pred_real = dis.forward(real_ab)
loss_d_real = torch.sum(
criterionSoftplus(-pred_real)) / batchsize / w / h
# Combined loss
loss_d = loss_d_fake + loss_d_real
loss_d.backward()
if epoch % config.minimax == 0:
opt_dis.step()
################
### Update G ###
################
opt_gen.zero_grad()
# First, G(A) should fake the discriminator
fake_ab = torch.cat((real_a, fake_b), 1)
pred_fake = dis.forward(fake_ab)
loss_g_gan = torch.sum(
criterionSoftplus(-pred_fake)) / batchsize / w / h
# Second, G(A) = B
loss_g_l1 = criterionL1(fake_b, real_b) * config.lamb
loss_g_att = criterionMSE(att[:, 0, :, :], M)
loss_g = loss_g_gan + loss_g_l1 + loss_g_att
loss_g.backward()
opt_gen.step()
# log
if iteration % 10 == 0:
print(
"===> Epoch[{}]({}/{}): loss_d_fake: {:.4f} loss_d_real: {:.4f} loss_g_gan: {:.4f} loss_g_l1: {:.4f}"
.format(epoch, iteration, len(training_data_loader),
loss_d_fake.item(), loss_d_real.item(),
loss_g_gan.item(), loss_g_l1.item()))
log = {}
log['epoch'] = epoch
log['iteration'] = len(training_data_loader) * (epoch -
1) + iteration
log['gen/loss'] = loss_g.item()
log['dis/loss'] = loss_d.item()
logreport(log)
print('epoch', epoch, 'finished, use time',
time.time() - epoch_start_time)
with torch.no_grad():
log_validation = test(config, validation_data_loader, gen,
criterionMSE, epoch)
validationreport(log_validation)
print('validation finished')
if epoch % config.snapshot_interval == 0:
checkpoint(config, epoch, gen, dis)
logreport.save_lossgraph()
validationreport.save_lossgraph()
print('training time:', time.time() - start_time)
opt.batch_size,
token2id[labels.PAD],
char2id[labels.PAD],
label2id[labels.O],
shuffle=True))):
batch_start = time.time()
model.zero_grad()
model.train()
token_batch = get_variable(torch.LongTensor(token_batch),
use_gpu=opt.gpu).transpose(1, 0)
char_batch = get_variable(torch.LongTensor(char_batch),
use_gpu=opt.gpu).transpose(1, 0)
label_batch = get_variable(torch.LongTensor(label_batch),
use_gpu=opt.gpu).transpose(1, 0)
# loss = model.loss(token_batch, char_batch, label_batch) / token_batch.shape[0]
loss = model.loss(token_batch, char_batch, label_batch)
optimizer.zero_grad()
print("loss: {}".format(loss))
loss.backward()
optimizer.step()
#print("loss: {}".format(float(loss)))
loss_per_epoch += float(loss)
print('{}epoch\nloss: {}\nvalid: {}\ntime: {} sec.\n'.format(
epoch, loss_per_epoch, 0,
time.time() - start))
if epoch % 10 == 0:
print("model save {}epoch".format(epoch))
checkpoint(model, opt.model_path)
checkpoint(model, opt.model_path)
def main(hparams):
hparams.n_input = np.prod(hparams.image_shape)
hparams.model_type = 'vae'
maxiter = hparams.max_outer_iter
utils.print_hparams(hparams)
xs_dict = model_input(hparams) # returns the images
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses = utils.load_checkpoints(hparams)
x_hats_dict = {'vae': {}}
x_batch_dict = {}
for key, x in xs_dict.iteritems():
print key
x_batch_dict[key] = x #placing images in dictionary
if len(x_batch_dict) < hparams.batch_size:
continue
x_coll = [
x.reshape(1, hparams.n_input) for _, x in x_batch_dict.iteritems()
] #Generates the columns of input x
x_batch = np.concatenate(x_coll) # Generates entire X
A_outer = utils.get_outer_A(hparams) # Created the random matric A
noise_batch = hparams.noise_std * np.random.randn(
hparams.batch_size, 100)
y_batch_outer = np.sign(
np.matmul(x_batch, A_outer)
) # Multiplication of A and X followed by quantization on 4 levels
#y_batch_outer = np.matmul(x_batch, A_outer)
x_main_batch = 0.0 * x_batch
z_opt_batch = np.random.randn(hparams.batch_size,
20) #Input to the generator of the GAN
for k in range(maxiter):
x_est_batch = x_main_batch + hparams.outer_learning_rate * (
np.matmul(
(y_batch_outer -
np.sign(np.matmul(x_main_batch, A_outer))), A_outer.T))
#x_est_batch = x_main_batch + hparams.outer_learning_rate * (np.matmul((y_batch_outer - np.matmul(x_main_batch, A_outer)), A_outer.T))
# Gradient decent in x is done
estimator = estimators['vae']
x_hat_batch, z_opt_batch = estimator(
x_est_batch, z_opt_batch, hparams) # Projectin on the GAN
x_main_batch = x_hat_batch
dist = np.linalg.norm(x_batch - x_main_batch) / 784
print 'cool'
print dist
for i, key in enumerate(x_batch_dict.keys()):
x = xs_dict[key]
y = y_batch_outer[i]
x_hat = x_hat_batch[i]
# Save the estimate
x_hats_dict['vae'][key] = x_hat
# Compute and store measurement and l2 loss
measurement_losses['vae'][key] = utils.get_measurement_loss(
x_hat, A_outer, y)
l2_losses['vae'][key] = utils.get_l2_loss(x_hat, x)
print 'Processed upto image {0} / {1}'.format(key + 1, len(xs_dict))
# Checkpointing
if (hparams.save_images) and ((key + 1) % hparams.checkpoint_iter
== 0):
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
#x_hats_dict = {'dcgan' : {}}
print '\nProcessed and saved first ', key + 1, 'images\n'
x_batch_dict = {}
# Final checkpoint
if hparams.save_images:
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
print '\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict))
if hparams.print_stats:
for model_type in hparams.model_types:
print model_type
mean_m_loss = np.mean(measurement_losses[model_type].values())
mean_l2_loss = np.mean(l2_losses[model_type].values())
print 'mean measurement loss = {0}'.format(mean_m_loss)
print 'mean l2 loss = {0}'.format(mean_l2_loss)
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print '\nDid NOT process last {} images because they did not fill up the last batch.'.format(
len(x_batch_dict))
print 'Consider rerunning lazily with a smaller batch size.'
if args.epochwise:
for k in range(100, 1000, 100):
model, linear, projector, loptim, attacker = load(args, k)
print('loading.......epoch ', str(k))
##### Linear evaluation #####
for i in range(args.epoch):
print('Epoch ', i)
train_acc, model, linear, projector, loptim = linear_train(
i, model, linear, projector, loptim, attacker)
test_acc, model, linear = test(model, linear)
adjust_lr(i, loptim)
checkpoint(model,
test_acc,
args.epoch,
args,
loptim,
save_name_add='epochwise' + str(k))
checkpoint(linear,
test_acc,
args.epoch,
args,
loptim,
save_name_add='epochwise' + str(k) + '_linear')
if args.local_rank % ngpus_per_node == 0:
with open(logname, 'a') as logfile:
logwriter = csv.writer(logfile, delimiter=',')
logwriter.writerow([k, train_acc, test_acc])
model, linear, projector, loptim, attacker = load(args, 0)
def main():
start_epoch = 0
best_prec1 = 0.0
seed=np.random.randint(10000)
if seed is not None:
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
if args.gpus is not None:
device = torch.device("cuda:{}".format(args.gpus[0]))
cudnn.benchmark = False
# cudnn.deterministic = True
cudnn.enabled = True
else:
device = torch.device("cpu")
now = datetime.now().strftime('%Y-%m-%d-%H:%M:%S')
if args.mission is not None:
if 'vgg' == args.arch and args.batchnorm:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}_bn/{args.mission}/{now}'
elif 'resnet20' == args.arch:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}/{args.mission}/{now}'
else:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}/{args.mission}/{now}'
else:
if 'vgg' == args.arch and args.batchnorm:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}_bn/{now}'
else:
args.job_dir = f'{args.job_dir}/{args.dataset}/{args.arch}{args.num_layers}/{now}'
_make_dir(args.job_dir)
ckpt = utils.checkpoint(args)
print_logger = utils.get_logger(os.path.join(args.job_dir, "logger.log"))
utils.print_params(vars(args), print_logger.info)
writer_train = SummaryWriter(args.job_dir +'/run/train')
writer_test = SummaryWriter(args.job_dir+ '/run/test')
## hyperparameters settings ##
n_layers = (args.num_layers - 2) * 2
unit_k_bits = int(args.k_bits)
kbits_list = [unit_k_bits for i in range(n_layers)]
print_logger.info(f'k_bits_list {kbits_list}')
# Data loading
print('=> Preparing data..')
if args.dataset in ['cifar10', 'cifar100','mnist']:
IMAGE_SIZE = 32
elif args.dataset == 'tinyimagenet':
IMAGE_SIZE = 64
else:
IMAGE_SIZE = 224
if args.dataset == 'imagenet':
train_loader = get_imagenet_iter_dali(type = 'train',image_dir=args.data_dir, batch_size=args.train_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
val_loader = get_imagenet_iter_dali(type='val', image_dir=args.data_dir, batch_size=args.eval_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
elif args.dataset == 'tinyimagenet':
train_loader = get_imagenet_iter_dali(type = 'train',image_dir=args.data_dir, batch_size=args.train_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
val_loader = get_imagenet_iter_dali(type='val', image_dir=args.data_dir, batch_size=args.eval_batch_size,num_threads=args.workers,crop=IMAGE_SIZE,device_id=0,num_gpus=1)
elif args.dataset == 'cifar10':
train_loader = get_cifar_iter_dali(type='train', image_dir=args.data_dir, batch_size=args.train_batch_size,num_threads=args.workers)
val_loader = get_cifar_iter_dali(type='val', image_dir=args.data_dir, batch_size=args.eval_batch_size,num_threads=args.workers)
# Create model
print('=> Building model...')
if args.dataset =='cifar10':
num_classes = 10
train_data_length = 50000
eval_data_length =10000
elif args.dataset == 'imagenet':
num_classes = 1000
train_data_length = 50000
eval_data_length =10000
# arch = args.arch
# model = models.__dict__[arch]
model_config = {'k_bits':kbits_list,'num_layers':args.num_layers,'pre_k_bits':args.pre_k_bits,'ratio':args.ratio}
if args.arch == 'mobilenetv2':
model_config = {'k_bits':kbits_list,'num_layers':args.num_layers,'pre_k_bits':args.pre_k_bits,'ratio':args.ratio,'width_mult':args.width_mult}
if 'vgg' == args.arch and args.batchnorm:
model,model_k_bits = import_module(f"models.{args.dataset}.{args.archtype}.{args.arch}").__dict__[f'{args.arch}{args.num_layers}_bn'](model_config)
elif 'resnet20' == args.arch:
model,model_k_bits = import_module(f"models.{args.dataset}.{args.archtype}.{args.arch}").__dict__[f'{args.arch}'](model_config)
else:
model,model_k_bits = import_module(f"models.{args.dataset}.{args.archtype}.{args.arch}").__dict__[f'{args.arch}{args.num_layers}'](model_config)
model = model.to(device)
print_logger.info(f'model_k_bits_list {model_k_bits}')
# Define loss function (criterion) and optimizer
criterion = nn.CrossEntropyLoss()
optimizer = optim.SGD(model.parameters(), lr=args.lr, momentum=args.momentum, weight_decay=args.weight_decay)
scheduler = MultiStepLR(optimizer, milestones=[0.5 * args.train_epochs, 0.75 * args.train_epochs], gamma=0.1)
# Optionally resume from a checkpoint
resume = args.resume
if resume:
print('=> Loading checkpoint {}'.format(resume))
checkpoint = torch.load(resume, map_location=device)
state_dict = checkpoint['state_dict']
start_epoch = checkpoint['epoch']
pre_train_best_prec1 = checkpoint['best_prec1']
model_check = load_check(state_dict,model)
pdb.set_trace()
model.load_state_dict(model_check)
print('Prec@1:',pre_train_best_prec1)
if args.test_only:
test_prec1 = test(args, device, val_loader, model, criterion, writer_test,print_logger,start_epoch )
print('=> Test Prec@1: {:.2f}'.format(test_prec1))
print(f'sample k_bits {kbits_list}')
return
for epoch in range(0, args.train_epochs):
scheduler.step(epoch)
train_loss, train_prec1 = train(args, device, train_loader, train_data_length, model, criterion, optimizer, writer_train, print_logger, epoch)
test_prec1 = test(args, device, val_loader, eval_data_length, model, criterion, writer_test, print_logger, epoch)
is_best = best_prec1 < test_prec1
best_prec1 = max(test_prec1, best_prec1)
state = {
'state_dict': model.state_dict(),
'test_prec1': test_prec1,
'best_prec1': best_prec1,
'optimizer': optimizer.state_dict(),
'scheduler': scheduler.state_dict(),
'epoch': epoch + 1
}
ckpt.save_model(state, epoch + 1, is_best,mode='train')
print_logger.info('==> BEST ACC {:.3f}'.format(best_prec1.item()))
def main(hparams):
# Set up some stuff accoring to hparams
hparams.n_input = np.prod(hparams.image_shape)
utils.set_num_measurements(hparams)
utils.print_hparams(hparams)
# get inputs
xs_dict = model_input(hparams)
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
measurement_losses, l2_losses = utils.load_checkpoints(hparams)
x_hats_dict = {model_type: {} for model_type in hparams.model_types}
x_batch_dict = {}
for key, x in xs_dict.iteritems():
if not hparams.not_lazy:
# If lazy, first check if the image has already been
# saved before by *all* estimators. If yes, then skip this image.
save_paths = utils.get_save_paths(hparams, key)
is_saved = all([
os.path.isfile(save_path) for save_path in save_paths.values()
])
if is_saved:
continue
x_batch_dict[key] = x
if len(x_batch_dict) < hparams.batch_size:
continue
# Reshape input
x_batch_list = [
x.reshape(1, hparams.n_input) for _, x in x_batch_dict.iteritems()
]
x_batch = np.concatenate(x_batch_list)
# Construct noise and measurements
A = utils.get_A(hparams)
noise_batch = hparams.noise_std * np.random.randn(
hparams.batch_size, hparams.num_measurements)
if hparams.measurement_type == 'project':
y_batch = x_batch + noise_batch
else:
y_batch = np.matmul(x_batch, A) + noise_batch
# Construct estimates using each estimator
for model_type in hparams.model_types:
estimator = estimators[model_type]
x_hat_batch = estimator(A, y_batch, hparams)
for i, key in enumerate(x_batch_dict.keys()):
x = xs_dict[key]
y = y_batch[i]
x_hat = x_hat_batch[i]
# Save the estimate
x_hats_dict[model_type][key] = x_hat
# Compute and store measurement and l2 loss
measurement_losses[model_type][
key] = utils.get_measurement_loss(x_hat, A, y)
l2_losses[model_type][key] = utils.get_l2_loss(x_hat, x)
print('Processed upto image {0} / {1}'.format(key + 1, len(xs_dict)))
# Checkpointing
if (hparams.save_images) and ((key + 1) % hparams.checkpoint_iter
== 0):
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
x_hats_dict = {
model_type: {}
for model_type in hparams.model_types
}
print('\nProcessed and saved first ', key + 1, 'images\n')
x_batch_dict = {}
# Final checkpoint
if hparams.save_images:
utils.checkpoint(x_hats_dict, measurement_losses, l2_losses,
save_image, hparams)
print('\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict)))
if hparams.print_stats:
for model_type in hparams.model_types:
print(model_type)
mean_m_loss = np.mean(measurement_losses[model_type].values())
mean_l2_loss = np.mean(l2_losses[model_type].values())
print('mean measurement loss = {0}'.format(mean_m_loss))
print('mean l2 loss = {0}'.format(mean_l2_loss))
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print(
'\nDid NOT process last {} images because they did not fill up the last batch.'
.format(len(x_batch_dict)))
print('Consider rerunning lazily with a smaller batch size.')
def train(gpu: int, args: Namespace):
"""Implements the training loop for PyTorch a model.
Args:
gpu: the GPU device
args: user defined arguments
"""
# setup process groups
rank = args.nr * args.gpus + gpu
setup(rank, args)
# define the model
model = ResNext().architecture
model.cuda(gpu)
# Wrap the model
model = DDP(model, device_ids=[gpu])
# define loss function (criterion) and optimizer
criterion = nn.BCEWithLogitsLoss()
optimizer = Adam(model.parameters(), args.lr)
# split data
train_df = split_data(args.folds)
for fold in range(args.folds):
losses = []
scores = []
train_loader, valid_loader = get_data(args, train_df, fold, rank)
if gpu == 0:
print(f"Training started using fold {fold} for validation")
# train
model.train()
for epoch in range(args.epochs):
for i, (images, labels) in enumerate(train_loader):
images = images.cuda(gpu)
labels = labels.cuda(gpu)
output = model(images)
loss = criterion(output, labels)
loss.backward()
optimizer.step()
optimizer.zero_grad()
if i % args.log_interval == 0 and gpu == 0:
print("Train Epoch: {} [{}/{} ({:.0f}%)]\tloss={:.4f}".format(
epoch+1, i, len(train_loader),
100. * i / len(train_loader), loss.item()))
# evaluate
model.eval()
with torch.no_grad():
for i, (images, labels) in enumerate(valid_loader):
images = images.cuda(gpu)
labels = labels.cuda(gpu)
output = model(images)
loss = criterion(output, labels).item()
score = get_score(labels.detach().cpu(), output.detach().cpu())
losses.append(loss)
scores.append(score)
if gpu == 0:
print("Validation loss={:.4f}\tAUC score={:.4f}".format(
statistics.mean(losses), statistics.mean(scores)))
# checkpoint model
model = checkpoint(model, gpu, fold)
if args.save_model and gpu == 0:
torch.save(model.module.state_dict(), "model.pt")
cleanup()
import torch
import utils
from option import args
from data import data
if args.fullTrain:
from trainer import Trainer
else:
from preTrainer import Trainer
torch.manual_seed(args.seed)
checkpoint = utils.checkpoint(args)
if checkpoint.ok:
my_loader = data(args).get_loader()
t = Trainer(my_loader, checkpoint, args)
while not t.terminate():
t.train()
t.test()
checkpoint.done()
"""
my_loader = data(args).get_loader()
loader_train, loader_test = my_loader
check = 0
#for batch, (input, target,input_4,input_2, idx_scale) in enumerate(loader_train):
# check = check+1
for batch, (input, target, idx_scale) in enumerate(loader_train):
check = check+1
def train(config):
gpu_manage(config)
### DATASET LOAD ###
print('===> Loading datasets')
dataset = Dataset(config)
train_size = int(0.9 * len(dataset))
test_size = len(dataset) - train_size
train_dataset, test_dataset = torch.utils.data.random_split(
dataset, [train_size, test_size])
training_data_loader = DataLoader(dataset=train_dataset,
num_workers=config.threads,
batch_size=config.batchsize,
shuffle=True)
test_data_loader = DataLoader(dataset=test_dataset,
num_workers=config.threads,
batch_size=config.test_batchsize,
shuffle=False)
### MODELS LOAD ###
print('===> Loading models')
if config.gen_model == 'unet':
gen = UNet(in_ch=config.in_ch,
out_ch=config.out_ch,
gpu_ids=config.gpu_ids)
else:
print('The generator model does not exist')
if config.gen_init is not None:
param = torch.load(config.gen_init)
gen.load_state_dict(param)
print('load {} as pretrained model'.format(config.gen_init))
dis = Discriminator(in_ch=config.in_ch,
out_ch=config.out_ch,
gpu_ids=config.gpu_ids)
if config.dis_init is not None:
param = torch.load(config.dis_init)
dis.load_state_dict(param)
print('load {} as pretrained model'.format(config.dis_init))
# setup optimizer
opt_gen = optim.Adam(gen.parameters(),
lr=config.lr,
betas=(config.beta1, 0.999),
weight_decay=0.00001)
opt_dis = optim.Adam(dis.parameters(),
lr=config.lr,
betas=(config.beta1, 0.999),
weight_decay=0.00001)
real_a = torch.FloatTensor(config.batchsize, config.in_ch, 256, 256)
real_b = torch.FloatTensor(config.batchsize, config.out_ch, 256, 256)
criterionL1 = nn.L1Loss()
criterionMSE = nn.MSELoss()
criterionSoftplus = nn.Softplus()
if config.cuda:
gen = gen.cuda(0)
dis = dis.cuda(0)
criterionL1 = criterionL1.cuda(0)
criterionMSE = criterionMSE.cuda(0)
criterionSoftplus = criterionSoftplus.cuda(0)
real_a = real_a.cuda(0)
real_b = real_b.cuda(0)
real_a = Variable(real_a)
real_b = Variable(real_b)
logreport = LogReport(log_dir=config.out_dir)
testreport = TestReport(log_dir=config.out_dir)
# main
for epoch in range(1, config.epoch + 1):
for iteration, batch in enumerate(training_data_loader, 1):
real_a_cpu, real_b_cpu = batch[0], batch[1]
real_a.data.resize_(real_a_cpu.size()).copy_(real_a_cpu)
real_b.data.resize_(real_b_cpu.size()).copy_(real_b_cpu)
fake_b = gen.forward(real_a)
################
### Update D ###
################
opt_dis.zero_grad()
# train with fake
fake_ab = torch.cat((real_a, fake_b), 1)
pred_fake = dis.forward(fake_ab.detach())
batchsize, _, w, h = pred_fake.size()
loss_d_fake = torch.sum(
criterionSoftplus(pred_fake)) / batchsize / w / h
# train with real
real_ab = torch.cat((real_a, real_b), 1)
pred_real = dis.forward(real_ab)
loss_d_real = torch.sum(
criterionSoftplus(-pred_real)) / batchsize / w / h
# Combined loss
loss_d = loss_d_fake + loss_d_real
loss_d.backward()
if epoch % config.minimax == 0:
opt_dis.step()
################
### Update G ###
################
opt_gen.zero_grad()
# First, G(A) should fake the discriminator
fake_ab = torch.cat((real_a, fake_b), 1)
pred_fake = dis.forward(fake_ab)
loss_g_gan = torch.sum(
criterionSoftplus(-pred_fake)) / batchsize / w / h
# Second, G(A) = B
loss_g_l1 = criterionL1(fake_b, real_b) * config.lamb
loss_g = loss_g_gan + loss_g_l1
loss_g.backward()
opt_gen.step()
# log
if iteration % 100 == 0:
print(
"===> Epoch[{}]({}/{}): loss_d_fake: {:.4f} loss_d_real: {:.4f} loss_g_gan: {:.4f} loss_g_l1: {:.4f}"
.format(epoch, iteration, len(training_data_loader),
loss_d_fake.item(), loss_d_real.item(),
loss_g_gan.item(), loss_g_l1.item()))
log = {}
log['epoch'] = epoch
log['iteration'] = len(training_data_loader) * (epoch -
1) + iteration
log['gen/loss'] = loss_g.item()
log['dis/loss'] = loss_d.item()
logreport(log)
with torch.no_grad():
log_test = test(config, test_data_loader, gen, criterionMSE, epoch)
testreport(log_test)
if epoch % config.snapshot_interval == 0:
checkpoint(config, epoch, gen, dis)
logreport.save_lossgraph()
testreport.save_lossgraph()
for i in range(opt.n_epochs):
log.append([])
t_optim = 0
t0 = time.time()
train_slices = utils.slice_epoch(opt.nbatch_train, opt.n_slices)
val_slices = utils.slice_epoch(opt.nbatch_val, opt.n_slices)
for ts, vs, j in zip(train_slices, val_slices, range(opt.n_slices)):
log[i].append({})
for k, batch in zip(ts, trainLoader):
t = time.time()
loss_train = process_batch(batch, loss_train, i, k, "train", t0)
t_optim += time.time() - t
for key, value in loss_train.items():
log[i][j]["train_" + key] = np.mean(value[-opt.nbatch_train :])
for k, batch in zip(vs, valLoader):
loss_val = process_batch(batch, loss_val, i, k, "val", t0)
t_optim += time.time() - t
for key, value in loss_val.items():
log[i][j]["val_" + key] = np.mean(value[-opt.nbatch_val :])
utils.checkpoint("%d_%d" % (i, j), model, log, opt)
log[i][j]["time(optim)"] = "%.2f(%.2f)" % (time.time() - t0, t_optim)
print(log[i][j])
except KeyboardInterrupt:
time.sleep(2) # waiting for all threads to stop
print("-" * 89)
save = input("Exiting early, save the last model?[y/n]")
if save == "y":
print("Saving...")
utils.checkpoint("final", model, log, opt)
if __name__ == '__main__':
print("\nObservation\n--------------------------------")
print("Shape :", obs_dim)
print("\nAction\n--------------------------------")
print("Shape :", action_dim, "\n")
total_reward = 0
deltas = []
for episode in range(NUM_EPISODES + 1):
eps = START_EPSILON / (1.0 + episode * EPSILON_TAPER)
if episode%10000 == 0:
cp_file = checkpoint(Q, CHECKPOINT_DIR, GAME, episode)
print('Saved Checkpoint to: ', cp_file)
biggest_change = 0
curr_state = env.reset()
for step in range(MAX_STEPS):
prev_state = curr_state
state_visit_counts[prev_state] = state_visit_counts.get(prev_state,0)+1
action = epsilon_action(curr_state, eps)
curr_state, reward, done, info = env.step(action)
total_reward += reward
old_qsa = Q[prev_state][action]
update_Q(prev_state, action, reward, curr_state)
biggest_change = max(biggest_change, np.abs(old_qsa - Q[prev_state][action]))
if done:
break
def main():
"""The main function
Entry point.
"""
global args
# Setting the hyper parameters
parser = argparse.ArgumentParser(description='Example of Capsule Network')
parser.add_argument('--epochs',
type=int,
default=10,
help='number of training epochs. default=10')
parser.add_argument('--lr',
type=float,
default=0.01,
help='learning rate. default=0.01')
parser.add_argument('--batch-size',
type=int,
default=128,
help='training batch size. default=128')
parser.add_argument('--test-batch-size',
type=int,
default=128,
help='testing batch size. default=128')
parser.add_argument(
'--log-interval',
type=int,
default=10,
help=
'how many batches to wait before logging training status. default=10')
parser.add_argument('--no-cuda',
action='store_true',
default=False,
help='disables CUDA training. default=false')
parser.add_argument(
'--threads',
type=int,
default=4,
help='number of threads for data loader to use. default=4')
parser.add_argument('--seed',
type=int,
default=42,
help='random seed for training. default=42')
parser.add_argument(
'--num-conv-out-channel',
type=int,
default=256,
help='number of channels produced by the convolution. default=256')
parser.add_argument(
'--num-conv-in-channel',
type=int,
default=1,
help='number of input channels to the convolution. default=1')
parser.add_argument('--num-primary-unit',
type=int,
default=8,
help='number of primary unit. default=8')
parser.add_argument('--primary-unit-size',
type=int,
default=1152,
help='primary unit size is 32 * 6 * 6. default=1152')
parser.add_argument(
'--num-classes',
type=int,
default=2,
help='number of digit classes. 1 unit for one MNIST digit. default=10')
parser.add_argument('--output-unit-size',
type=int,
default=1,
help='output unit size. default=16')
parser.add_argument('--num-routing',
type=int,
default=3,
help='number of routing iteration. default=3')
parser.add_argument(
'--use-reconstruction-loss',
type=utils.str2bool,
nargs='?',
default=True,
help='use an additional reconstruction loss. default=True')
parser.add_argument(
'--regularization-scale',
type=float,
default=0.0005,
help=
'regularization coefficient for reconstruction loss. default=0.0005')
parser.add_argument('--dataset',
help='the name of dataset (mnist, cifar10)',
default='mnist')
parser.add_argument(
'--input-width',
type=int,
default=28,
help='input image width to the convolution. default=28 for MNIST')
parser.add_argument(
'--input-height',
type=int,
default=28,
help='input image height to the convolution. default=28 for MNIST')
parser.add_argument('--is-training',
type=int,
default=1,
help='Whether or not is training, default is yes')
parser.add_argument('--weights',
type=str,
default=None,
help='Load pretrained weights, default is none')
args = parser.parse_args()
print(args)
# Check GPU or CUDA is available
args.cuda = not args.no_cuda and torch.cuda.is_available()
# Get reproducible results by manually seed the random number generator
torch.manual_seed(args.seed)
if args.cuda:
torch.cuda.manual_seed(args.seed)
# Load data
train_loader, test_loader = utils.load_data(args)
# Build Capsule Network
print('===> Building model')
model = Net(num_conv_in_channel=args.num_conv_in_channel,
num_conv_out_channel=args.num_conv_out_channel,
num_primary_unit=args.num_primary_unit,
primary_unit_size=args.primary_unit_size,
num_classes=args.num_classes,
output_unit_size=args.output_unit_size,
num_routing=args.num_routing,
use_reconstruction_loss=args.use_reconstruction_loss,
regularization_scale=args.regularization_scale,
input_width=args.input_width,
input_height=args.input_height,
cuda_enabled=args.cuda)
if args.cuda:
print('Utilize GPUs for computation')
print('Number of GPU available', torch.cuda.device_count())
model.cuda()
cudnn.benchmark = True
model = torch.nn.DataParallel(model)
# Print the model architecture and parameters
print('Model architectures:\n{}\n'.format(model))
print('Parameters and size:')
for name, param in model.named_parameters():
print('{}: {}'.format(name, list(param.size())))
# CapsNet has:
# - 8.2M parameters and 6.8M parameters without the reconstruction subnet on MNIST.
# - 11.8M parameters and 8.0M parameters without the reconstruction subnet on CIFAR10.
num_params = sum([param.nelement() for param in model.parameters()])
# The coupling coefficients c_ij are not included in the parameter list,
# we need to add them manually, which is 1152 * 10 = 11520 (on MNIST) or 2048 * 10 (on CIFAR10)
print('\nTotal number of parameters: {}\n'.format(
num_params + (11520 if args.dataset == 'mnist' else 20480)))
# Optimizer
optimizer = optim.Adam(model.parameters(), lr=args.lr)
# Make model checkpoint directory
if not os.path.exists('results/trained_model'):
os.makedirs('results/trained_model')
# Set the logger
writer = SummaryWriter()
if not args.is_training:
print("Loading checkpoint")
checkpoint = torch.load('results/trained_model/model_epoch_50.pth',
map_location=lambda storage, loc: storage)
from collections import OrderedDict
state_dict = checkpoint['state_dict']
new_state_dict = OrderedDict()
for k, v in state_dict.items():
name = k[7:] # remove `module.`
if name[:2] == 'fc':
name = 'decoder.' + name
new_state_dict[name] = v
epoch = checkpoint['epoch']
model.load_state_dict(new_state_dict)
optimizer.load_state_dict(checkpoint['optimizer'])
# Train and test
for epoch in range(1, args.epochs + 1):
if args.is_training:
train(model, train_loader, optimizer, epoch, writer)
test(model, test_loader, len(train_loader), epoch, writer)
# Save model checkpoint
utils.checkpoint(
{
'epoch': epoch + 1,
'state_dict': model.state_dict(),
'optimizer': optimizer.state_dict()
}, epoch)
writer.close()
def main(hparams):
# if not hparams.use_gpu:
# os.environ['CUDA_VISIBLE_DEVICES'] = '-1'
# Set up some stuff accoring to hparams
hparams.n_input = np.prod(hparams.image_shape)
#hparams.stdv = 10 #adjust to HPARAM in model_def.py
#hparams.mean = 0 #adjust to HPARAM in model_def.py
utils.set_num_measurements(hparams)
utils.print_hparams(hparams)
hparams.bol = False
# hparams.dict_flag = False
# get inputs
if hparams.input_type == 'dict-input':# or hparams.dict_flag:
hparams_load_key = copy.copy(hparams)
hparams_load_key.input_type = 'full-input'
hparams_load_key.measurement_type = 'project'
hparams_load_key.zprior_weight = 0.0
hparams.key_field = np.load(utils.get_checkpoint_dir(hparams_load_key, hparams.model_types[0])+'candidates.npy').item()
print(hparams.measurement_type)
xs_dict, label_dict = model_input(hparams)
estimators = utils.get_estimators(hparams)
utils.setup_checkpointing(hparams)
sh = utils.SaveHandler()
sh.load_or_init_all(hparams.save_images,hparams.model_types,sh.get_pkl_filepaths(hparams,use_all=True))
if label_dict is None:
print('No labels exist.')
del sh.class_loss
# measurement_losses, l2_losses, emd_losses, x_orig, x_rec, noise_batch = utils.load_checkpoints(hparams)
if hparams.input_type == 'gen-span':
np.save(utils.get_checkpoint_dir(hparams, hparams.model_types[0])+'z.npy',hparams.z_from_gen)
np.save(utils.get_checkpoint_dir(hparams, hparams.model_types[0])+'images.npy',hparams.images_mat)
x_hats_dict = {model_type : {} for model_type in hparams.model_types}
x_batch_dict = {}
x_batch=[]
x_hat_batch=[]
# l2_losses2=np.zeros((len(xs_dict),1))
# distances_arr=[]
image_distance =np.zeros((len(xs_dict),1))
hparams.x = [] # TO REMOVE
for key, x in xs_dict.iteritems(): #//each batch once (x_batch_dict emptied at end)
if not hparams.not_lazy:
# If lazy, first check if the image has already been
# saved before by *all* estimators. If yes, then skip this image.
save_paths = utils.get_save_paths(hparams, key)
is_saved = all([os.path.isfile(save_path) for save_path in save_paths.values()])
if is_saved:
continue
x_batch_dict[key] = x
hparams.x.append(x)#To REMOVE
if len(x_batch_dict) < hparams.batch_size:
continue
# Reshape input
x_batch_list = [x.reshape(1, hparams.n_input) for _, x in x_batch_dict.iteritems()]
x_batch = np.concatenate(x_batch_list)
# x_batch, known_distortion, distances = get_random_distortion(x_batch)
# distances_arr[(key-1)*hparams.batch_size:key*hparams.batch_size] = distances
# xs_dict[(key-1)*hparams.batch_size:key*hparams.batch_size] =x_batch
# Construct noise and measurements
recovered, optim = utils.load_if_optimized(hparams)
if recovered and np.linalg.norm(optim.x_orig-x_batch) < 1e-10:
hparams.optim = optim
hparams.recovered = True
else:
hparams.recovered=False
optim.x_orig = x_batch
hparams.optim = optim
A, noise_batch, y_batch, c_val = utils.load_meas(hparams,sh,x_batch,xs_dict)
hparams.optim.noise_batch = noise_batch
if c_val:
continue
if hparams.measurement_type == 'sample_distribution':
plot_distribution(hparams,x_batch)
# for i in range(z.shape[1]):#range(1):
# plt.hist(z[i,:], facecolor='blue', alpha=0.5)
# directory_distr =
# pl.savefig("abc.png")
elif hparams.measurement_type == 'autoencoder':
plot_reconstruction(hparams,x_batch)
else:
# Construct estimates using each estimator
for model_type in hparams.model_types:
estimator = estimators[model_type]
start = time.time()
tmp = estimator(A, y_batch, hparams)
if isinstance(tmp,tuple):
x_hat_batch = tmp[0]
sh.z_rec = tmp[1]
else:
x_hat_batch = tmp
del sh.z_rec
end = time.time()
duration = end-start
print('The calculation needed {} time'.format(datetime.timedelta(seconds=duration)))
np.save(utils.get_checkpoint_dir(hparams, model_type)+'elapsed_time',duration)
# DEBUGGING = []
for i, key in enumerate(x_batch_dict.keys()):
# x = xs_dict[key]+known_distortion[i]
x = xs_dict[key]
y = y_batch[i]
x_hat = x_hat_batch[i]
# plt.figure()
# plt.imshow(np.reshape(x_hat, [64, 64, 3])*255)#, interpolation="nearest", cmap=plt.cm.gray)
# plt.show()
# Save the estimate
x_hats_dict[model_type][key] = x_hat
# Compute and store measurement and l2 loss
sh.measurement_losses[model_type][key] = utils.get_measurement_loss(x_hat, A, y)
# DEBUGGING.append(np.sum((x_hat.dot(A)-y)**2)/A.shape[1])
sh.l2_losses[model_type][key] = utils.get_l2_loss(x_hat, x)
if hparams.class_bol and label_dict is not None:
try:
sh.class_losses[model_type][key] = utils.get_classifier_loss(hparams,x_hat,label_dict[key])
except:
sh.class_losses[model_type][key] = NaN
warnings.warn('Class loss unsuccessfull, most likely due to corrupted memory. Simply retry.')
if hparams.emd_bol:
try:
_,sh.emd_losses[model_type][key] = utils.get_emd_loss(x_hat, x)
if 'nonneg' not in hparams.tv_or_lasso_mode and 'pca' in model_type:
warnings.warn('EMD requires nonnegative images, for safety insert nonneg into tv_or_lasso_mode')
except ValueError:
warnings.warn('EMD calculation unsuccesfull (most likely due to negative images)')
pass
# if l2_losses[model_type][key]-measurement_losses[model_type][key]!=0:
# print('NO')
# print(y)
# print(x)
# print(np.mean((x-y)**2))
image_distance[i] = np.linalg.norm(x_hat-x)
# l2_losses2[key] = np.mean((x_hat-x)**2)
# print('holla')
# print(l2_losses2[key])
# print(np.linalg.norm(x_hat-x)**2/len(xs_dict[0]))
# print(np.linalg.norm(x_hat-x)/len(xs_dict[0]))
# print(np.linalg.norm(x_hat-x))
print('Processed upto image {0} / {1}'.format(key+1, len(xs_dict)))
sh.x_orig = x_batch
sh.x_rec = x_hat_batch
sh.noise = noise_batch
#ACTIVATE ON DEMAND
#plot_bad_reconstruction(measurement_losses,x_batch)
# Checkpointing
if (hparams.save_images) and ((key+1) % hparams.checkpoint_iter == 0):
utils.checkpoint(x_hats_dict, save_image, sh, hparams)
x_hats_dict = {model_type : {} for model_type in hparams.model_types}
print('\nProcessed and saved first ', key+1, 'images\n')
x_batch_dict = {}
if 'wavelet' in hparams.model_types[0]:
print np.abs(sh.x_rec)
print('The average sparsity is {}'.format(np.sum(np.abs(sh.x_rec)>=0.0001)/float(hparams.batch_size)))
# Final checkpoint
if hparams.save_images:
utils.checkpoint(x_hats_dict, save_image, sh, hparams)
print('\nProcessed and saved all {0} image(s)\n'.format(len(xs_dict)))
if hparams.dataset in ['mnist', 'fashion-mnist']:
if np.array(x_batch).size:
utilsM.save_images(np.reshape(x_batch, [-1, 28, 28]),
[8, 8],utils.get_checkpoint_dir(hparams, hparams.model_types[0])+'original.png')
if np.array(x_hat_batch).size:
utilsM.save_images(np.reshape(x_hat_batch, [-1, 28, 28]),
[8, 8],utils.get_checkpoint_dir(hparams, hparams.model_types[0])+'reconstruction.png')
for model_type in hparams.model_types:
# print(model_type)
mean_m_loss = np.mean(sh.measurement_losses[model_type].values())
mean_l2_loss = np.mean(sh.l2_losses[model_type].values()) #\|XHUT-X\|**2/784/64
if hparams.emd_bol:
mean_emd_loss = np.mean(sh.emd_losses[model_type].values())
if label_dict is not None:
mean_class_loss = np.mean(sh.class_losses[model_type].values())
print('mean class loss = {0}'.format(mean_class_loss))
# print(image_distance)
mean_norm_loss = np.mean(image_distance)#sum_i(\|xhut_i-x_i\|)/64
# mean_rep_error = np.mean(distances_arr)
# mean_opt_meas_error_pixel = np.mean(np.array(l2_losses[model_type].values())-np.array(distances_arr)/xs_dict[0].shape)
# mean_opt_meas_error = np.mean(image_distance-distances_arr)
print('mean measurement loss = {0}'.format(mean_m_loss))
# print np.sum(np.asarray(DEBUGGING))/64
print('mean l2 loss = {0}'.format(mean_l2_loss))
if hparams.emd_bol:
print('mean emd loss = {0}'.format(mean_emd_loss))
print('mean distance = {0}'.format(mean_norm_loss))
print('mean distance pixelwise = {0}'.format(mean_norm_loss/len(xs_dict[xs_dict.keys()[0]])))
# print('mean representation error = {0}'.format(mean_rep_error))
# print('mean optimization plus measurement error = {0}'.format(mean_opt_meas_error))
# print('mean optimization plus measurement error per pixel = {0}'.format(mean_opt_meas_error_pixel))
if hparams.image_matrix > 0:
utils.image_matrix(xs_dict, x_hats_dict, view_image, hparams)
# Warn the user that some things were not processsed
if len(x_batch_dict) > 0:
print('\nDid NOT process last {} images because they did not fill up the last batch.'.format(len(x_batch_dict)))
print('Consider rerunning lazily with a smaller batch size.')
