Exemple #1
0
        loader.set_description(
            (f'epoch: {epoch + 1}; loss: {loss.item():.5f}; ' f'acc: {accuracy:.5f}')
        )


class PixelTransform:
    def __init__(self):
        pass

    def __call__(self, input):
        ar = np.array(input)

        return torch.from_numpy(ar).long()


if __name__ == '__main__':
    device = 'cuda'
    epoch = 10

    dataset = datasets.MNIST('.', transform=PixelTransform(), download=True)
    loader = DataLoader(dataset, batch_size=32, shuffle=True, num_workers=4)

    model = PixelSNAIL([28, 28], 256, 128, 5, 2, 4, 128)
    model = model.to(device)

    optimizer = optim.Adam(model.parameters(), lr=1e-3)

    for i in range(10):
        train(i, loader, model, optimizer, device)
        torch.save(model.state_dict(), f'checkpoint/mnist_{str(i + 1).zfill(3)}.pt')
Exemple #2
0
            (f'epoch: {epoch + 1}; loss: {loss.item():.5f}; '
             f'acc: {accuracy:.5f}'))


class PixelTransform:
    def __init__(self):
        pass

    def __call__(self, input):
        ar = np.array(input)

        return torch.from_numpy(ar).long()


if __name__ == '__main__':
    device = 'cuda'
    epoch = 10

    dataset = datasets.MNIST('.', transform=PixelTransform(), download=True)
    loader = DataLoader(dataset, batch_size=32, shuffle=True, num_workers=4)

    model = PixelSNAIL([28, 28], 256, 128, 5, 2, 4, 128)
    model = model.to(device)

    optimizer = optim.Adam(model.parameters(), lr=1e-3)

    for i in range(10):
        train(i, loader, model, optimizer, device)
        torch.save(model.state_dict(),
                   f'checkpoint/mnist_{str(i + 1).zfill(3)}.pt')