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Enable run main without argparse #19

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4486691
correct error of not using cuda when CUDA is available.
Roller44 Jul 11, 2023
a39c245
correct error shape of transform for mnist dataset.
Roller44 Jul 11, 2023
9e27a97
Speed up distance calculation.
Roller44 Jul 12, 2023
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8 changes: 2 additions & 6 deletions functions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,9 @@ def forward(ctx, inputs, codebook):
embedding_size = codebook.size(1)
inputs_size = inputs.size()
inputs_flatten = inputs.view(-1, embedding_size)

codebook_sqr = torch.sum(codebook ** 2, dim=1)
inputs_sqr = torch.sum(inputs_flatten ** 2, dim=1, keepdim=True)


# Compute the distances to the codebook
distances = torch.addmm(codebook_sqr + inputs_sqr,
inputs_flatten, codebook.t(), alpha=-2.0, beta=1.0)
distances = torch.cdist(inputs_flatten, codebook, 2)

_, indices_flatten = torch.min(distances, dim=1)
indices = indices_flatten.view(*inputs_size[:-1])
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11 changes: 5 additions & 6 deletions vqvae.py
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Expand Up @@ -64,7 +64,7 @@ def main(args):
if args.dataset in ['mnist', 'fashion-mnist', 'cifar10']:
transform = transforms.Compose([
transforms.ToTensor(),
transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
transforms.Normalize((0.5), (0.5))
])
if args.dataset == 'mnist':
# Define the train & test datasets
Expand Down Expand Up @@ -150,9 +150,9 @@ def main(args):
parser = argparse.ArgumentParser(description='VQ-VAE')

# General
parser.add_argument('--data-folder', type=str,
parser.add_argument('--data-folder', type=str, default='./data',
help='name of the data folder')
parser.add_argument('--dataset', type=str,
parser.add_argument('--dataset', type=str, default='mnist',
help='name of the dataset (mnist, fashion-mnist, cifar10, miniimagenet)')

# Latent space
Expand All @@ -176,7 +176,7 @@ def main(args):
help='name of the output folder (default: vqvae)')
parser.add_argument('--num-workers', type=int, default=mp.cpu_count() - 1,
help='number of workers for trajectories sampling (default: {0})'.format(mp.cpu_count() - 1))
parser.add_argument('--device', type=str, default='cpu',
parser.add_argument('--device', type=str, default='cuda' if torch.cuda.is_available() else 'cpu',
help='set the device (cpu or cuda, default: cpu)')

args = parser.parse_args()
Expand All @@ -187,8 +187,7 @@ def main(args):
if not os.path.exists('./models'):
os.makedirs('./models')
# Device
args.device = torch.device(args.device
if torch.cuda.is_available() else 'cpu')
args.device = torch.device(args.device)
# Slurm
if 'SLURM_JOB_ID' in os.environ:
args.output_folder += '-{0}'.format(os.environ['SLURM_JOB_ID'])
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