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def get_dataloaders(data_path, tasks, num_frames, batch_size=64, batch_size_val=4, transform={}, num_workers=0, load_to_mem=False, pin_memory=False, remove_last_step_in_traj=True, removed_actions=[]): if ('rgb_filled' in tasks): transform['rgb_filled'] = transforms.Compose([transforms.CenterCrop([256, 256...
def get_dataloaders(data_path, inputs_and_outputs, batch_size=64, batch_size_val=4, transform=None, num_workers=0, load_to_mem=False, pin_memory=False): dataloaders = {} dataset = torchvision.datasets.FashionMNIST(root, train=True, transform=transform, target_transform=None, download=True) dataloader = Da...
class iCIFAR100(torchvision.datasets.CIFAR100): def __init__(self, root, class_idxs, train=True, transform=None, target_transform=None, download=False): super().__init__(root, train, transform, target_transform, download) self.class_idxs = list(class_idxs) self.old_targets = self.targets ...
def get_dataloaders(data_path, targets, sources=None, masks=None, tasks=None, epochlength=20000, epochs_until_cycle=1, batch_size=64, batch_size_val=4, transform=None, num_workers=0, load_to_mem=False, pin_memory=False, imsize=256): "\n Targets can either be of the form [iterable1, iterable2]\n ...
def get_limited_dataloaders(data_path, sources, targets, masks, tasks=None, epochlength=20000, batch_size=64, batch_size_val=4, transform=None, num_workers=0, load_to_mem=False, pin_memory=False, imsize=256): "\n Targets can either be of the form [iterable1, iterable2]\n or of the form 'cifarXX-...
def get_cifar_dataloaders(data_path, sources, targets, masks, tasks=None, epochlength=20000, batch_size=64, batch_size_val=4, transform=None, num_workers=0, load_to_mem=False, pin_memory=False, imsize=256): "\n Targets can either be of the form [iterable1, iterable2]\n or of the form 'cifarXX-YY...
def cycle_dl(dl): while True: for element in dl: (yield element)
class CyclingDataLoader(object): def __init__(self, dls, epoch_length_per_dl=None, start_dl=0, epochs_until_cycle=0, zip_idx=True): '\n :param dls: list of dataloaders, one for each task\n :param epoch_length_per_dl: number of items to cycle thru dataset\n :param start_dl:\n :...
class ErrorPassingCyclingDataLoader(CyclingDataLoader): def __next__(self): try: return super().__next__() except Exception as e: if isinstance(e, StopIteration): raise e else: warnings.warn('problem with this datapoint, resampli...
class ConcatenatedDataLoader(object): def __init__(self, dls, zip_idx=True): self.dls = dls self.curr_iter_idx = 0 self.zip_idx = zip_idx def __iter__(self): self.curr_iter_idx = 0 self.curr_iter = iter(self.dls[self.curr_iter_idx]) return self def __next...
class ErrorPassingConcatenatedDataLoader(ConcatenatedDataLoader): def __next__(self): try: return super().__next__() except Exception as e: if isinstance(e, StopIteration): raise e else: warnings.warn('problem with this datapoint...
class KthDataLoader(object): def __init__(self, dls, k=0, epochlength=None): self.dls = dls self.dl = dls[k] self.k = k self.epochlength = epochlength def __iter__(self): self.count = 0 if self.epochlength: self.curr_iter = cycle_dl(self.dl) ...
def get_splits(split_path): with open(split_path) as csvfile: readCSV = csv.reader(csvfile, delimiter=',') train_list = [] val_list = [] test_list = [] for row in readCSV: (name, is_train, is_val, is_test) = row if (name in forbidden_buildings): ...
class IdentityFn(nn.Module): def __init__(self, *args, **kwargs): super().__init__() def forward(self, x, **kwargs): return x def requires_grad_(self, *args, **kwargs): pass
def identity_fn(x): return x
class ZeroFn(nn.Module): def forward(self, *args, **kwargs): return 0.0 def requires_grad_(self, *args, **kwargs): pass
def zero_fn(x): return 0.0
class ScaleLayer(nn.Module): def __init__(self, init_value=0.001): super().__init__() self.scale = nn.Parameter(torch.FloatTensor([init_value])) def forward(self, input): return (input * self.scale)
class LambdaLayer(nn.Module): def __init__(self, lambd): super(LambdaLayer, self).__init__() self.lambd = lambd def forward(self, x): return self.lambd(x)
class ResidualLayer(nn.Module): def __init__(self, net: nn.Module): super().__init__() self.net = net def forward(self, x): return (x + self.net(x))
class EvalOnlyModel(nn.Module): def __init__(self, eval_only=None, train=False, **kwargs): super().__init__() if (eval_only is None): warnings.warn(f'Model eval_only flag is not set for {type(self)}. Defaulting to True') eval_only = True if train: warni...
class EWC(): def __init__(self, loss_fn, model, coef=0.001, avg_tasks=False, n_samples_fisher=1000, **kwargs): self.loss_fn = loss_fn self.model = model self.coef = coef self.avg_tasks = avg_tasks self.weights_anchor_list = [] self.precision_matrices_list = [] ...
class FCN5MidFeedback(FCN5): def __init__(self, kernel_size=3, *args, **kwargs): super().__init__(*args, **kwargs) if (kernel_size == 3): net_kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1} elif (kernel_size == 1): net_kwargs = {'kernel_size': 1, 'stride': 1...
class FCN5LateFeedback(FCN5): def __init__(self, kernel_size=3, *args, **kwargs): super().__init__(*args, **kwargs) if (kernel_size == 3): net_kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1} elif (kernel_size == 1): net_kwargs = {'kernel_size': 1, 'stride': ...
class LifelongNetwork(nn.Module): def forward(self, x, task_idx=None): pass def start_training(self): pass def start_task(self, task_idx, train): pass
class LifelongSidetuneNetwork(LifelongNetwork): def __init__(self, dataset='taskonomy', use_baked_encoding=False, normalize_pre_transfer=True, base_class=None, base_weights_path=None, base_kwargs={}, transfer_class=None, transfer_weights_path=None, transfer_kwargs={}, side_class=None, side_weights_path=None, sid...
class MergeOperator(nn.Module): def __init__(self, dense, task_idx, dataset): super().__init__() self.dense = dense self.task_idx = task_idx self.dataset = dataset def __call__(self, base_encoding, side_encoding, additional_encodings=[]) -> torch.Tensor: pass @pr...
class BaseOnly(MergeOperator): def __call__(self, base_encoding, side_encoding, additional_encodings=[]): return base_encoding
class SideOnly(MergeOperator): def __call__(self, base_encoding, side_encoding, additional_encodings=[]): return side_encoding
class Summation(MergeOperator): def __call__(self, base_encoding, side_encoding, additional_encodings=[]): merged_encoding = ((base_encoding + side_encoding) + sum(additional_encodings)) return merged_encoding
class Product(MergeOperator): def __call__(self, base_encoding, side_encoding, additional_encodings=[]): merged_encoding = (base_encoding * side_encoding) for add_encoding in additional_encodings: merged_encoding *= add_encoding return merged_encoding
class Alpha(MergeOperator): def __init__(self, dense, task_idx, **kwargs): super().__init__(dense, task_idx, **kwargs) if dense: self.alphas = nn.Parameter(torch.tensor(0.0).repeat((task_idx + 2))) else: self.alphas = nn.Parameter(torch.tensor(0.0)) @property ...
class FiLMNet(nn.Module): def __init__(self, n_in, n_out, kernel_size=1): super().__init__() if (kernel_size == 3): net_kwargs = {'kernel_size': 3, 'stride': 1, 'padding': 1} elif (kernel_size == 1): net_kwargs = {'kernel_size': 1, 'stride': 1, 'padding': 0} ...
class FiLM(MergeOperator): def __init__(self, dense, **kwargs): super().__init__(dense, **kwargs) assert (not dense) self.film = FiLMNet(n_in=8, n_out=8, kernel_size=1) def __call__(self, base_encoding, side_encoding, additional_encodings=[]): (mult_factor, add_factor) = self...
class MLP(MergeOperator): def __init__(self, dense, task_idx, dataset): super().__init__(dense, task_idx, dataset) if (dataset == 'icifar'): self.make_layer = make_linear_layer elif (dataset == 'taskonomy'): self.make_layer = make_conv_layer self.base_net =...
class MLP2(MLP): def __init__(self, **kwargs): super().__init__(**kwargs) self.side_net = self.make_layer()
class ResMLP2(MLP): def __init__(self, **kwargs): super().__init__(**kwargs) self.side_net = ResidualLayer(self.make_layer())
class MLPHidden(MLP): def __call__(self, base_encoding, side_encoding, additional_encodings=[]): merged_encoding = (self.base_net(base_encoding) + self.side_net(side_encoding)) if self.dense: merged_encoding += sum([net(add_encoding) for (net, add_encoding) in zip(self.dense_side_nets...
def load_submodule(model_class, model_weights_path, model_kwargs, backup_fn=zero_fn): if (model_class is not None): model = model_class(**model_kwargs) if (model_weights_path is not None): (model, _) = load_state_dict_from_path(model, model_weights_path) else: model = backu...
def _make_layer(in_channels, out_channels, num_groups=2, kernel_size=3, stride=1, padding=0, dilation=1, normalize=True, bsp=False, period=None, debug=False, projected=False, scaling=False, postlinear=False, linear=False): assert (not (bsp and projected)), 'cannot do bsp and projectedconv' if linear: ...
class SampleGroupStackModule(nn.Module): def __init__(self, *args, **kwargs): super(SampleGroupStackModule, self).__init__() def forward(self, *args, **kwargs): return downsample_group_stack(*args, **kwargs) def requires_grad_(self, *args, **kwargs): pass
class ConstantModel(): def __init__(self, data): if isinstance(data, str): if ('.png' in data): img = Image.open(data) self.const = RESCALE_0_1_NEG1_POS1(transforms.ToTensor()(img)) else: self.const = torch.load(data) else: ...
class EnsembleNet(nn.Module): def __init__(self, n_models, model_class, model_weights_path, **kwargs): super().__init__() self.nets = nn.ModuleList([load_submodule(eval(model_class), model_weights_path, kwargs) for _ in range(n_models)]) def forward(self, x): return sum([net(x) for n...
class BoostedNetwork(nn.Module): def __init__(self, use_baked_encoding=False, normalize_pre_transfer=True, encoder_class=None, encoder_weights_path=None, encoder_kwargs={}, transfer_network_class=None, transfer_network_weights_path=None, transfer_network_kwargs={}, sidetuner_network_class=None, sidetuner_network...
class FCN5(EvalOnlyModel): def __init__(self, num_groups=2, img_channels=3, use_residual=False, normalize_outputs=False, bsp=False, period=None, projected=False, final_act=True, **kwargs): super(FCN5, self).__init__(**kwargs) self.conv1 = _make_layer(img_channels, 64, num_groups=num_groups, kerne...
class FCN8(EvalOnlyModel): def __init__(self, img_channels=3, normalize_outputs=False, **kwargs): super(FCN8, self).__init__(**kwargs) self.conv1 = _make_layer(img_channels, 64, kernel_size=8, stride=4, padding=2) self.conv2 = _make_layer(64, 128, kernel_size=3, stride=2, padding=1) ...
class FCN4(EvalOnlyModel): def __init__(self, num_groups=2, img_channels=3, use_residual=False, normalize_outputs=False, bsp=False, period=None, debug=False, projected=False, final_act=True, **kwargs): super(FCN4, self).__init__(**kwargs) self.conv1 = _make_layer(img_channels, 16, num_groups=num_...
class FCN4Reshaped(FCN4): def forward(self, x, cache={}, time_idx: int=(- 1)): x = super().forward(x, time_idx) x = F.avg_pool2d(x, x.size()[3]).view(x.shape[0], 64) return x
class FCN3(EvalOnlyModel): def __init__(self, num_groups=2, img_channels=3, normalize_outputs=False, **kwargs): super(FCN3, self).__init__(**kwargs) self.conv1 = _make_layer(img_channels, 64, num_groups=num_groups, kernel_size=8, stride=4, padding=1) self.conv2 = _make_layer(64, 256, num_...
def get_output_sizes(): base_path = '/root/tlkit/tlkit/taskonomy_data/' decoder_paths = [os.path.join(base_path, f'{task}_decoder.dat') for task in LIST_OF_TASKS] decoder_state_dicts = [torch.load(path) for path in decoder_paths] output_sizes = [decoder['state_dict']['decoder_output.0.bias'].numpy().s...
class HiddenPrints(): def __enter__(self): self._original_stdout = sys.stdout sys.stdout = open(os.devnull, 'w') def __exit__(self, exc_type, exc_val, exc_tb): sys.stdout.close() sys.stdout = self._original_stdout
def update(d, u): for (k, v) in u.items(): if isinstance(v, collections.Mapping): d[k] = update(d.get(k, {}), v) else: d[k] = v return d
def flatten(d, parent_key='', sep='.'): items = [] for (k, v) in d.items(): new_key = (((parent_key + sep) + k) if parent_key else k) if isinstance(v, collections.MutableMapping): items.extend(flatten(v, new_key, sep=sep).items()) else: items.append((new_key, v)...
def var_to_numpy(encoding): encoding = encoding.detach().cpu().numpy() return encoding
def checkpoint_name(checkpoint_dir, epoch='latest'): return os.path.join(checkpoint_dir, 'ckpt-{}.dat'.format(epoch))
def save_checkpoint(obj, directory, step_num): os.makedirs(directory, exist_ok=True) torch.save(obj, checkpoint_name(directory)) subprocess.call('cp {} {} &'.format(checkpoint_name(directory), checkpoint_name(directory, step_num)), shell=True)
def get_parent_dirname(path): return os.path.basename(os.path.dirname(path))
def get_subdir(training_directory, subdir_name): "\n look through all files/directories in training_directory\n return all files/subdirectories whose basename have subdir_name\n if 0, return none\n if 1, return it\n if more, return list of them\n\n e.g. training_directory: '/path/to/exp'\n ...
def read_pkl(pkl_name): with open(pkl_name, 'rb') as f: data = pickle.load(f) return data
def get_number(name): '\n use regex to get the first integer in the name\n if none exists, return -1\n ' try: num = int(re.findall('[0-9]+', name)[0]) except: num = (- 1) return num
def unused_dir_name(output_dir): "\n Returns a unique (not taken) output_directory name with similar structure to existing one\n Specifically,\n if dir is not taken, return itself\n if dir is taken, return a new name where\n if dir = base + number, then newdir = base + {number+1}\n ow: n...
def index_to_image(idxs: torch.Tensor, dictionary: np.ndarray, img_size): imgs = [] for inst_top5 in dictionary[idxs]: inst_top5 = [w.split(' ', 1)[1] for w in inst_top5] to_print = ('Top 5 predictions: \n ' + ' '.join([f'''{w} ''' for w in inst_top5])) img = Image.new('RGB', (img_siz...
def pil_to_np(img): img_arr = np.frombuffer(img.tobytes(), dtype=np.uint8) img_arr = img_arr.reshape((img.size[1], img.size[0], 3)) return img_arr
def np_to_pil(img_arr): return Image.fromarray(img_arr.astype(np.uint8))
def count_open(): tensor_count = {} var_count = {} np_count = {} for obj in gc.get_objects(): try: if isinstance(obj, np.ndarray): if (obj.shape in np_count): np_count[obj.shape] += 1 else: np_count[obj.shape] ...
def process_batch_tuple(batch_tuple, task_idx, cfg): batch_tuple = [x.to(device, non_blocking=True) for x in batch_tuple] if (task_idx is None): sources = cfg['training']['sources'] targets = cfg['training']['targets'] else: sources = cfg['training']['sources'][task_idx] ta...
def forward_sequential(x, layers, task_idx): if (isinstance(layers, nn.Sequential) or isinstance(layers, list) or isinstance(layers, nn.ModuleList)): for layer in layers: try: x = layer(x, task_idx) except TypeError: x = layer(x) else: tr...
def load_state_dict_from_path(model, path): checkpoint = torch.load(path) if ('state_dict' in checkpoint.keys()): if any([('module' in k) for k in checkpoint['state_dict']]): state_dict = {k.replace('module.', ''): v for (k, v) in checkpoint['state_dict'].items()} else: ...
class Mock(MagicMock): @classmethod def __getattr__(cls, name): return MagicMock()
def setup(app): app.add_stylesheet('css/pytorch_theme.css')
def get_iterator(mode): ds = MNIST(root='./', download=True, train=mode) data = getattr(ds, ('train_data' if mode else 'test_data')) labels = getattr(ds, ('train_labels' if mode else 'test_labels')) tds = tnt.dataset.TensorDataset([data, labels]) return tds.parallel(batch_size=128, num_workers=4, ...
def conv_init(ni, no, k): return kaiming_normal(torch.Tensor(no, ni, k, k))
def linear_init(ni, no): return kaiming_normal(torch.Tensor(no, ni))
def f(params, inputs, mode): o = inputs.view(inputs.size(0), 1, 28, 28) o = F.conv2d(o, params['conv0.weight'], params['conv0.bias'], stride=2) o = F.relu(o) o = F.conv2d(o, params['conv1.weight'], params['conv1.bias'], stride=2) o = F.relu(o) o = o.view(o.size(0), (- 1)) o = F.linear(o, p...
def main(): params = {'conv0.weight': conv_init(1, 50, 5), 'conv0.bias': torch.zeros(50), 'conv1.weight': conv_init(50, 50, 5), 'conv1.bias': torch.zeros(50), 'linear2.weight': linear_init(800, 512), 'linear2.bias': torch.zeros(512), 'linear3.weight': linear_init(512, 10), 'linear3.bias': torch.zeros(10)} par...
def get_iterator(mode): ds = MNIST(root='./', download=True, train=mode) data = getattr(ds, ('train_data' if mode else 'test_data')) labels = getattr(ds, ('train_labels' if mode else 'test_labels')) tds = tnt.dataset.TensorDataset([data, labels]) return tds.parallel(batch_size=128, num_workers=4, ...
def conv_init(ni, no, k): return kaiming_normal(torch.Tensor(no, ni, k, k))
def linear_init(ni, no): return kaiming_normal(torch.Tensor(no, ni))
def f(params, inputs, mode): o = inputs.view(inputs.size(0), 1, 28, 28) o = F.conv2d(o, params['conv0.weight'], params['conv0.bias'], stride=2) o = F.relu(o) o = F.conv2d(o, params['conv1.weight'], params['conv1.bias'], stride=2) o = F.relu(o) o = o.view(o.size(0), (- 1)) o = F.linear(o, p...
def main(): params = {'conv0.weight': conv_init(1, 50, 5), 'conv0.bias': torch.zeros(50), 'conv1.weight': conv_init(50, 50, 5), 'conv1.bias': torch.zeros(50), 'linear2.weight': linear_init(800, 512), 'linear2.bias': torch.zeros(512), 'linear3.weight': linear_init(512, 10), 'linear3.bias': torch.zeros(10)} par...
def get_iterator(mode): ds = MNIST(root='./', download=True, train=mode) data = getattr(ds, ('train_data' if mode else 'test_data')) labels = getattr(ds, ('train_labels' if mode else 'test_labels')) tds = tnt.dataset.TensorDataset([data, labels]) return tds.parallel(batch_size=128, num_workers=4, ...
def conv_init(ni, no, k): return kaiming_normal(torch.Tensor(no, ni, k, k))
def linear_init(ni, no): return kaiming_normal(torch.Tensor(no, ni))
def f(params, inputs, mode): o = inputs.view(inputs.size(0), 1, 28, 28) o = F.conv2d(o, params['conv0.weight'], params['conv0.bias'], stride=2) o = F.relu(o) o = F.conv2d(o, params['conv1.weight'], params['conv1.bias'], stride=2) o = F.relu(o) o = o.view(o.size(0), (- 1)) o = F.linear(o, p...
def main(): params = {'conv0.weight': conv_init(1, 50, 5), 'conv0.bias': torch.zeros(50), 'conv1.weight': conv_init(50, 50, 5), 'conv1.bias': torch.zeros(50), 'linear2.weight': linear_init(800, 512), 'linear2.bias': torch.zeros(512), 'linear3.weight': linear_init(512, 10), 'linear3.bias': torch.zeros(10)} par...
class TestDatasets(unittest.TestCase): def testListDataset(self): h = [0, 1, 2] d = dataset.ListDataset(elem_list=h, load=(lambda x: x)) self.assertEqual(len(d), 3) self.assertEqual(d[0], 0) t = torch.LongTensor([0, 1, 2]) d = dataset.ListDataset(elem_list=t, load=...
class TestMeters(unittest.TestCase): def testAverageValueMeter(self): m = meter.AverageValueMeter() for i in range(1, 10): m.add(i) (mean, std) = m.value() self.assertEqual(mean, 5.0) m.reset() (mean, std) = m.value() self.assertTrue(np.isnan(me...
class TestTransforms(unittest.TestCase): def testCompose(self): self.assertEqual(transform.compose([(lambda x: (x + 1)), (lambda x: (x + 2)), (lambda x: (x / 2))])(1), 2) def testTableMergeKeys(self): x = {'sample1': {'input': 1, 'target': 'a'}, 'sample2': {'input': 2, 'target': 'b', 'flag':...
class BatchDataset(Dataset): '\n Dataset which batches the data from a given dataset.\n\n Given a `dataset`, `BatchDataset` merges samples from this dataset to\n form a new sample which can be interpreted as a batch of size `batchsize`.\n\n The `merge` function controls how the batching is performed. ...
class ConcatDataset(Dataset): '\n Dataset to concatenate multiple datasets.\n\n Purpose: useful to assemble different existing datasets, possibly\n large-scale datasets as the concatenation operation is done in an\n on-the-fly manner.\n\n Args:\n datasets (iterable): List of datasets to be c...
class Dataset(object): def __init__(self): pass def __len__(self): pass def __getitem__(self, idx): if (idx >= len(self)): raise IndexError('CustomRange index out of range') pass def batch(self, *args, **kwargs): return torchnet.dataset.BatchData...
class ListDataset(Dataset): '\n Dataset which loads data from a list using given function.\n\n Considering a `elem_list` (can be an iterable or a `string` ) i-th sample\n of a dataset will be returned by `load(elem_list[i])`, where `load()`\n is a function provided by the user.\n\n If `path` is pro...
class ResampleDataset(Dataset): '\n Dataset which resamples a given dataset.\n\n Given a `dataset`, creates a new dataset which will (re-)sample from this\n underlying dataset using the provided `sampler(dataset, idx)` function.\n\n If `size` is provided, then the newly created dataset will have the\n...
class ShuffleDataset(ResampleDataset): '\n Dataset which shuffles a given dataset.\n\n `ShuffleDataset` is a sub-class of `ResampleDataset` provided for\n convenience. It samples uniformly from the given `dataset` with, or without\n `replacement`. The chosen partition can be redrawn by calling `resamp...
class SplitDataset(Dataset): '\n Dataset to partition a given dataset.\n\n Partition a given `dataset`, according to the specified `partitions`. Use\n the method `select()` to select the current partition in use.\n\n The `partitions` is a dictionary where a key is a user-chosen string\n naming the ...
class TensorDataset(Dataset): '\n Dataset from a tensor or array or list or dict.\n\n `TensorDataset` provides a way to create a dataset out of the data that is\n already loaded into memory. It accepts data in the following forms:\n\n tensor or numpy array\n `idx`th sample is `data[idx]`\n\n ...
class TransformDataset(Dataset): '\n Dataset which transforms a given dataset with a given function.\n\n Given a function `transform`, and a `dataset`, `TransformDataset` applies\n the function in an on-the-fly manner when querying a sample with\n `__getitem__(idx)` and therefore returning `transform[...
class Engine(object): def __init__(self): self.hooks = {} def hook(self, name, state): 'Registers a backward hook.\n\n The hook will be called every time a gradient with respect to the\n Tensor is computed. The hook should have the following signature::\n\n hook (gra...
class FileLogger(object): "Logs results to a file.\n\n The FileLogger provides a convenient interface for periodically writing\n results to a file. It is designed to capture all information for a given\n experiment, which may have a sequence of distinct tasks. Therefore, it writes\n results in the for...
class Logger(object): _fields = None @property def fields(self): assert (self._fields is not None), 'self.fields is not set!' return self._fields @fields.setter def fields(self, value): self._fields def __init__(self, fields=None): " Automatically logs the va...