def experiment(variant):
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
beta = variant["beta"]
representation_size = variant["representation_size"]
train_data, test_data, info = variant['generate_vae_dataset_fn'](
variant['generate_vae_dataset_kwargs']
)
uniform_dataset=generate_uniform_dataset_reacher(
**variant['generate_uniform_dataset_kwargs']
)
logger.save_extra_data(info)
logger.get_snapshot_dir()
beta_schedule = None
m = variant['vae'](representation_size, decoder_output_activation=nn.Sigmoid(), **variant['vae_kwargs'])
m.to(ptu.device)
t = ConvVAETrainer(train_data, test_data, m, beta=beta,
beta_schedule=beta_schedule, **variant['algo_kwargs'])
save_period = variant['save_period']
for epoch in range(variant['num_epochs']):
should_save_imgs = (epoch % save_period == 0)
t.train_epoch(epoch)
t.log_loss_under_uniform(m, uniform_dataset)
t.test_epoch(epoch, save_reconstruction=should_save_imgs,
save_scatterplot=should_save_imgs)
if should_save_imgs:
t.dump_samples(epoch)
if variant['dump_skew_debug_plots']:
t.dump_best_reconstruction(epoch)
t.dump_worst_reconstruction(epoch)
t.dump_sampling_histogram(epoch)
t.dump_uniform_imgs_and_reconstructions(dataset=uniform_dataset, epoch=epoch)
if epoch % variant['train_weight_update_period'] == 0:
t.update_train_weights()
def experiment(variant):
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
beta = variant["beta"]
representation_size = variant["representation_size"]
train_data, test_data, info = variant['generate_vae_dataset_fn'](
variant['generate_vae_dataset_kwargs'])
uniform_dataset = load_local_or_remote_file(
variant['uniform_dataset_path']).item()
uniform_dataset = unormalize_image(uniform_dataset['image_desired_goal'])
logger.save_extra_data(info)
logger.get_snapshot_dir()
if 'beta_schedule_kwargs' in variant:
# kwargs = variant['beta_schedule_kwargs']
# kwargs['y_values'][2] = variant['beta']
# kwargs['x_values'][1] = variant['flat_x']
# kwargs['x_values'][2] = variant['ramp_x'] + variant['flat_x']
variant['beta_schedule_kwargs']['y_values'][-1] = variant['beta']
beta_schedule = PiecewiseLinearSchedule(
**variant['beta_schedule_kwargs'])
else:
beta_schedule = None
m = variant['vae'](representation_size,
decoder_output_activation=nn.Sigmoid(),
**variant['vae_kwargs'])
m.to(ptu.device)
t = ConvVAETrainer(train_data,
test_data,
m,
beta=beta,
beta_schedule=beta_schedule,
**variant['algo_kwargs'])
save_period = variant['save_period']
for epoch in range(variant['num_epochs']):
should_save_imgs = (epoch % save_period == 0)
t.train_epoch(epoch)
t.log_loss_under_uniform(
m, uniform_dataset,
variant['algo_kwargs']['priority_function_kwargs'])
t.test_epoch(epoch,
save_reconstruction=should_save_imgs,
save_scatterplot=should_save_imgs)
if should_save_imgs:
t.dump_samples(epoch)
if variant['dump_skew_debug_plots']:
t.dump_best_reconstruction(epoch)
t.dump_worst_reconstruction(epoch)
t.dump_sampling_histogram(epoch)
t.dump_uniform_imgs_and_reconstructions(
dataset=uniform_dataset, epoch=epoch)
t.update_train_weights()
def experiment(variant):
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
beta = variant["beta"]
representation_size = variant["representation_size"]
data = joblib.load(variant['file'])
obs = data['obs']
size = int(data['size'])
dataset = obs[:size, :]
n = int(size * .9)
train_data = dataset[:n, :]
test_data = dataset[n:, :]
logger.get_snapshot_dir()
print('SIZE: ', size)
uniform_dataset = generate_uniform_dataset_door(
**variant['generate_uniform_dataset_kwargs']
)
logger.get_snapshot_dir()
if 'beta_schedule_kwargs' in variant:
# kwargs = variant['beta_schedule_kwargs']
# kwargs['y_values'][2] = variant['beta']
# kwargs['x_values'][1] = variant['flat_x']
# kwargs['x_values'][2] = variant['ramp_x'] + variant['flat_x']
variant['beta_schedule_kwargs']['y_values'][-1] = variant['beta']
beta_schedule = PiecewiseLinearSchedule(**variant['beta_schedule_kwargs'])
else:
beta_schedule = None
m = variant['vae'](representation_size, decoder_output_activation=nn.Sigmoid(), **variant['vae_kwargs'])
m.to(ptu.device)
t = ConvVAETrainer(train_data, test_data, m, beta=beta,
beta_schedule=beta_schedule, **variant['algo_kwargs'])
save_period = variant['save_period']
for epoch in range(variant['num_epochs']):
should_save_imgs = (epoch % save_period == 0)
t.train_epoch(epoch)
t.log_loss_under_uniform(uniform_dataset)
t.test_epoch(epoch, save_reconstruction=should_save_imgs,
save_scatterplot=should_save_imgs)
if should_save_imgs:
t.dump_samples(epoch)
if variant['dump_skew_debug_plots']:
t.dump_best_reconstruction(epoch)
t.dump_worst_reconstruction(epoch)
t.dump_sampling_histogram(epoch)
t.dump_uniform_imgs_and_reconstructions(dataset=uniform_dataset, epoch=epoch)
t.update_train_weights()
def experiment(variant):
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
beta = variant["beta"]
representation_size = variant["representation_size"]
train_data, test_data, info = variant['generate_vae_dataset_fn'](
variant['generate_vae_dataset_kwargs'])
logger.save_extra_data(info)
logger.get_snapshot_dir()
if 'beta_schedule_kwargs' in variant:
# kwargs = variant['beta_schedule_kwargs']
# kwargs['y_values'][2] = variant['beta']
# kwargs['x_values'][1] = variant['flat_x']
# kwargs['x_values'][2] = variant['ramp_x'] + variant['flat_x']
variant['beta_schedule_kwargs']['y_values'][-1] = variant['beta']
beta_schedule = PiecewiseLinearSchedule(
**variant['beta_schedule_kwargs'])
else:
beta_schedule = None
m = variant['vae'](representation_size, **variant['vae_kwargs'])
m.to(ptu.device)
t = ConvVAETrainer(train_data,
test_data,
m,
beta=beta,
beta_schedule=beta_schedule,
**variant['algo_kwargs'])
save_period = variant['save_period']
for epoch in range(variant['num_epochs']):
should_save_imgs = (epoch % save_period == 0)
t.train_epoch(epoch)
t.test_epoch(epoch,
save_reconstruction=should_save_imgs,
save_scatterplot=should_save_imgs)
if should_save_imgs:
t.dump_samples(epoch)
if variant['dump_skew_debug_plots']:
t.dump_best_reconstruction(epoch)
t.dump_worst_reconstruction(epoch)
t.dump_sampling_histogram(epoch)
t.update_train_weights()
def train_vae(variant, return_data=False):
from railrl.misc.ml_util import PiecewiseLinearSchedule
from railrl.torch.vae.conv_vae import (
ConvVAE,
SpatialAutoEncoder,
AutoEncoder,
)
import railrl.torch.vae.conv_vae as conv_vae
from railrl.torch.vae.vae_trainer import ConvVAETrainer
from railrl.core import logger
import railrl.torch.pytorch_util as ptu
from railrl.pythonplusplus import identity
import torch
beta = variant["beta"]
representation_size = variant["representation_size"]
train_data, test_data, info = generate_vae_dataset_from_demos(
variant['generate_vae_dataset_kwargs'])
logger.save_extra_data(info)
logger.get_snapshot_dir()
if 'beta_schedule_kwargs' in variant:
beta_schedule = PiecewiseLinearSchedule(
**variant['beta_schedule_kwargs'])
else:
beta_schedule = None
if variant.get('decoder_activation', None) == 'sigmoid':
decoder_activation = torch.nn.Sigmoid()
else:
decoder_activation = identity
architecture = variant['vae_kwargs'].get('architecture', None)
if not architecture and variant.get('imsize') == 84:
architecture = conv_vae.imsize84_default_architecture
elif not architecture and variant.get('imsize') == 48:
architecture = conv_vae.imsize48_default_architecture
variant['vae_kwargs']['architecture'] = architecture
variant['vae_kwargs']['imsize'] = variant.get('imsize')
if variant['algo_kwargs'].get('is_auto_encoder', False):
m = AutoEncoder(representation_size,
decoder_output_activation=decoder_activation,
**variant['vae_kwargs'])
elif variant.get('use_spatial_auto_encoder', False):
raise NotImplementedError(
'This is currently broken, please update SpatialAutoEncoder then remove this line'
)
m = SpatialAutoEncoder(representation_size,
int(representation_size / 2))
else:
vae_class = variant.get('vae_class', ConvVAE)
m = vae_class(representation_size,
decoder_output_activation=decoder_activation,
**variant['vae_kwargs'])
m.to(ptu.device)
t = ConvVAETrainer(train_data,
test_data,
m,
beta=beta,
beta_schedule=beta_schedule,
**variant['algo_kwargs'])
save_period = variant['save_period']
dump_skew_debug_plots = variant.get('dump_skew_debug_plots', False)
for epoch in range(variant['num_epochs']):
should_save_imgs = (epoch % save_period == 0)
t.train_epoch(epoch)
t.test_epoch(
epoch,
save_reconstruction=should_save_imgs,
save_scatterplot=should_save_imgs,
# save_vae=False,
)
if should_save_imgs:
t.dump_samples(epoch)
if dump_skew_debug_plots:
t.dump_best_reconstruction(epoch)
t.dump_worst_reconstruction(epoch)
t.dump_sampling_histogram(epoch)
t.update_train_weights()
logger.save_extra_data(m, 'vae.pkl', mode='pickle')
if return_data:
return m, train_data, test_data
return m