def split_train_test(self, data_files, limit=None):
test = []
train = []
for f in data_files:
if self.format == 'csv':
temp = ChessDataset(f)
else:
temp = LMDBChessDataset(f)
if limit:
test_len = round(limit * self.test_ratio)
else:
test_len = round(len(temp) * self.test_ratio)
del temp
if self.format == 'csv':
test.append(ChessDataset(f, limit=test_len))
train.append(ChessDataset(f, limit=limit, offset=test_len))
elif self.format == 'lmdb':
test.append(LMDBChessDataset(f, limit=test_len))
train.append(LMDBChessDataset(f, limit=limit, offset=test_len))
if len(train) == 1:
train_dataset = train[0]
elif len(train) == 2:
train_dataset = InterleavenDataset(train)
else:
train_dataset = data.ConcatDataset(train)
return data.DataLoader(
train_dataset,
batch_size=self.batch_size,
num_workers=4,
shuffle=(self.format == 'csv')), data.DataLoader(
data.ConcatDataset(test),
batch_size=self.batch_size,
)
def load_mnist_plus_fmnist(args, **kwargs):
args.input_size = [1, 28, 28]
args.input_type = 'gray'
args.dynamic_binarization = False
import torch.utils.data as data_utils
train_loader, val_loader, test_loader, _ = load_dynamic_mnist(args)
train_loader2, val_loader2, test_loader2, _ = load_fashion_mnist(args, label_offset=10)
train_dataset = data_utils.ConcatDataset([train_loader.dataset, train_loader2.dataset])
val_dataset = data_utils.ConcatDataset([val_loader.dataset, val_loader2.dataset])
test_dataset = data_utils.ConcatDataset([test_loader.dataset, test_loader2.dataset])
shuffle = True
kwargs = {'num_workers': 1, 'pin_memory': True} if args.cuda else {}
train_loader = data_utils.DataLoader(train_dataset, batch_size=args.batch_size,
shuffle=shuffle, **kwargs)
val_loader = data_utils.DataLoader(val_dataset, batch_size=args.batch_size,
shuffle=shuffle, **kwargs)
test_loader = data_utils.DataLoader(test_dataset, batch_size=args.batch_size,
shuffle=shuffle, **kwargs)
return train_loader, val_loader, test_loader, args
def prepare_data_seq(task, batch_size=100, shuffle=True):
path_train = 'data/chitchat/data_mixup/train_'
path_dev = 'data/chitchat/data_mixup/dev_'
# provide the data mixup rates
dict_file_path = "data/chitchat/vocab_pool/vocab_filter1000_18394.txt"
lang = Lang(dict_file_path)
train_datasets = []
dev_datasets = []
for file_name, weight in SRC_WEIGHTS.items():
train_file = path_train + file_name
dev_file = path_dev + file_name
train_sub_dat = SubDataset(lang, train_file, weight, max_len)
dev_sub_dat = SubDataset(lang, dev_file, weight, max_len)
train_datasets.append(train_sub_dat)
dev_datasets.append(dev_sub_dat)
train_datasets = data.ConcatDataset(train_datasets)
dev_datasets = data.ConcatDataset(dev_datasets)
train = get_seq(train_datasets, lang, batch_size, True, max_len)
dev = get_seq(dev_datasets, lang, batch_size, False, max_len)
test = None
logging.info("Read %s sentence pairs train" % train.__len__())
logging.info("Read %s sentence pairs dev" % dev.__len__())
logging.info("Read %s sentence pairs test" % 0)
logging.info("Max len Input %s " % max_len)
logging.info("Vocab_size %s " % lang.n_words)
logging.info("USE_CUDA={}".format(USE_CUDA))
return train, dev, test, [], lang, max_len, max_r
def dataset_augmentation(dataset_old, scale = 10):
tot_len = len(dataset_old)
print(tot_len)
dataset = data_utils.ConcatDataset([dataset_old])
for i in range(scale - 1):
datasets = data_utils.random_split(dataset_old, [int(tot_len/2), tot_len - int(tot_len/2)])
dataset = data_utils.ConcatDataset([dataset] + datasets)
print(len(dataset))
return dataset
def load_partition_data_federated_emnist(dataset,
data_dir,
batch_size=DEFAULT_BATCH_SIZE):
# client ids
train_file_path = os.path.join(data_dir, DEFAULT_TRAIN_FILE)
test_file_path = os.path.join(data_dir, DEFAULT_TEST_FILE)
print(train_file_path)
with h5py.File(train_file_path,
'r') as train_h5, h5py.File(test_file_path, 'r') as test_h5:
global client_ids_train, client_ids_test
client_ids_train = list(train_h5[_EXAMPLE].keys())
client_ids_test = list(test_h5[_EXAMPLE].keys())
# local dataset
data_local_num_dict = dict()
train_data_local_dict = dict()
test_data_local_dict = dict()
for client_idx in range(DEFAULT_TRAIN_CLIENTS_NUM):
train_data_local, test_data_local = get_dataloader(
dataset, data_dir, batch_size, batch_size, client_idx)
local_data_num = len(train_data_local) + len(test_data_local)
data_local_num_dict[client_idx] = local_data_num
# logging.info("client_idx = %d, local_sample_number = %d" % (client_idx, local_data_num))
# logging.info("client_idx = %d, batch_num_train_local = %d, batch_num_test_local = %d" % (
# client_idx, len(train_data_local), len(test_data_local)))
train_data_local_dict[client_idx] = train_data_local
test_data_local_dict[client_idx] = test_data_local
# global dataset
train_data_global = data.DataLoader(data.ConcatDataset(
list(dl.dataset for dl in list(train_data_local_dict.values()))),
batch_size=batch_size,
shuffle=True)
train_data_num = len(train_data_global.dataset)
test_data_global = data.DataLoader(data.ConcatDataset(
list(dl.dataset for dl in list(test_data_local_dict.values())
if dl is not None)),
batch_size=batch_size,
shuffle=True)
test_data_num = len(test_data_global.dataset)
# class number
train_file_path = os.path.join(data_dir, DEFAULT_TRAIN_FILE)
with h5py.File(train_file_path, 'r') as train_h5:
class_num = len(
np.unique([
train_h5[_EXAMPLE][client_ids_train[idx]][_LABEL][0]
for idx in range(DEFAULT_TRAIN_CLIENTS_NUM)
]))
logging.info("class_num = %d" % class_num)
return DEFAULT_TRAIN_CLIENTS_NUM, train_data_num, test_data_num, train_data_global, test_data_global, \
data_local_num_dict, train_data_local_dict, test_data_local_dict, class_num
def forward(self, x):
x = F.relu(self.conv1_1(x)) # conv1_1 & relu1_1
x = F.relu(self.conv1_2(x)) # conv1_2 & relu1_2
x = F.max_pool2d(x, 2) # pool1
x = F.relu(self.conv2_1(x)) # conv2_1 & relu2_1
x = F.relu(self.conv2_2(x)) # conv2_2 & relu2_2
x = F.max_pool2d(x, 2) # pool2
x = F.relu(self.conv3_1(x)) # relu3_1
x = F.relu(self.conv3_2(x)) # relu3_2
x = F.relu(self.conv3_3(x)) # relu3_3
x = F.max_pool2d(x, 2) # pool3
x = F.relu(self.conv4_1(x)) # relu4_1
x = F.relu(self.conv4_2(x)) # relu4_2
x = F.relu(self.conv4_3(x)) # relu4_3
x = F.max_pool2d(x, 2) # pool4
# conv4_3_norm=F.batch_norm(x,)#conv4_3_norm
x = F.relu(self.conv5_1(x)) # relu5_1
x = F.relu(self.conv5_2(x)) # relu5_2
x = F.relu(self.conv5_3(x)) # relu5_3
x = F.max_pool2d(x, 3, stride=1, padding=1) # pool5
x = F.relu(self.conv_fc6(x)) # relu6
x = F.relu(self.conv_fc7(x)) # relu7
x = F.relu(self.conv6_1(x)) # relu6_1
x = F.relu(self.conv6_2(x)) # relu6_2
x = F.relu(self.conv7_1(x)) # relu7_1
# conv6_2_conf
conv6_2_conf = self.conv6_2_conf(x).permute(2, 0, 1)
conv6_2_conf = conv6_2_conf.view(-1, len(conv6_2_conf))
# conv6_2_loc
conv6_2_loc = self.conv6_2_loc(x).permute(2, 0, 1)
conv6_2_loc = conv6_2_loc.view(-1, len(conv6_2_loc))
x = F.relu(self.conv7_2(x)) # relu7_2
# conv7_2_conf
conv7_2_conf = self.conv7_2_conf(x).permute(2, 0, 1)
conv7_2_conf = conv7_2_conf.view(-1, len(conv7_2_conf))
# conv7_2_loc
conv7_2_loc = self.conv7_2_loc(x).permute(2, 0, 1)
conv7_2_loc = conv7_2_loc.view(-1, len(conv7_2_loc))
x = F.relu(self.conv8_1(x)) # relu8_1
x = F.relu(self.conv8_2(x)) # relu8_2
# conv8_2_conf
conv8_2_conf = self.conv8_2_conf(x).permute(2, 0, 1)
conv8_2_conf = conv8_2_conf.view(-1, len(conv8_2_conf))
# conv8_2_loc
conv8_2_loc = self.conv8_2_loc(x).permute(2, 0, 1)
conv8_2_loc = conv8_2_loc.view(-1, len(conv8_2_loc))
x = F.relu(self.conv9_1(x)) # relu9_1
x = F.relu(self.conv9_2(x)) # relu9_2
# conv9_2_conf
conv9_2_conf = self.conv9_2_conf(x).permute(2, 0, 1)
conv9_2_conf = conv9_2_conf.view(-1, len(conv9_2_conf))
# conv9_2_loc
conv9_2_loc = self.conv9_2_loc(x).permute(2, 0, 1)
conv9_2_loc = conv9_2_loc.view(-1, len(conv9_2_loc))
loc = td.ConcatDataset([conv6_2_loc, conv7_2_loc, conv8_2_loc, conv9_2_loc]) # Concat mbox_loc
conf = td.ConcatDataset([conv6_2_conf, conv7_2_conf, conv8_2_conf, conv9_2_conf]) # Concat mbox_conf_loc
def get_concat_dataloader(data_root, batch_size=64, download=False):
transforms_train = transforms.Compose([
transforms.Resize(size=224),
transforms.RandomCrop(size=(224, 224)),
transforms.RandomHorizontalFlip(),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
transforms_val = transforms.Compose([
transforms.Resize(size=224),
transforms.CenterCrop(size=(224, 224)),
transforms.ToTensor(),
transforms.Normalize(mean=[0.485, 0.456, 0.406],
std=[0.229, 0.224, 0.225])
])
cub_root = os.path.join(data_root, 'cub200')
train_cub = CUB200(root=cub_root,
split='train',
transforms=transforms_train,
download=download,
offset=0)
val_cub = CUB200(root=cub_root,
split='test',
transforms=transforms_val,
download=False,
offset=0)
dogs_root = os.path.join(data_root, 'dogs')
train_dogs = StanfordDogs(root=dogs_root,
split='train',
transforms=transforms_train,
download=download,
offset=200)
val_dogs = StanfordDogs(root=dogs_root,
split='test',
transforms=transforms_val,
download=False,
offset=200) # add offset
train_dst = data.ConcatDataset([train_cub, train_dogs])
val_dst = data.ConcatDataset([val_cub, val_dogs])
train_loader = data.DataLoader(train_dst,
batch_size=batch_size,
drop_last=True,
shuffle=True,
num_workers=4)
val_loader = data.DataLoader(val_dst,
batch_size=batch_size,
drop_last=True,
shuffle=False,
num_workers=4)
return train_loader, val_loader
def setup(self, stage):
self.train_data = data.ConcatDataset([
torchaudio.datasets.LIBRISPEECH(self.hparams.data_root,
url=path,
download=True)
for path in self.hparams.data_train
])
self.test_data = data.ConcatDataset([
torchaudio.datasets.LIBRISPEECH(self.hparams.data_root,
url=path,
download=True)
for path in self.hparams.data_test
])
def load_partition_data_federated_cifar100(data_dir, batch_size=DEFAULT_BATCH_SIZE):
class_num = 100
# client id list
train_file_path = os.path.join(data_dir, DEFAULT_TRAIN_FILE)
test_file_path = os.path.join(data_dir, DEFAULT_TEST_FILE)
with h5py.File(train_file_path, 'r') as train_h5, h5py.File(test_file_path, 'r') as test_h5:
global client_ids_train, client_ids_test
client_ids_train = list(train_h5[_EXAMPLE].keys())
client_ids_test = list(test_h5[_EXAMPLE].keys())
# get local dataset
data_local_num_dict = dict()
train_data_local_dict = dict()
test_data_local_dict = dict()
for client_idx in range(DEFAULT_TRAIN_CLINETS_NUM):
train_data_local, test_data_local = get_dataloader(
data_dir, batch_size, batch_size, client_idx)
local_data_num = len(train_data_local.dataset)
data_local_num_dict[client_idx] = local_data_num
# logging.info("client_idx = %d, local_sample_number = %d" % (client_idx, local_data_num))
# logging.info("client_idx = %d, batch_num_train_local = %d" % (client_idx, len(train_data_local)))
train_data_local_dict[client_idx] = train_data_local
test_data_local_dict[client_idx] = test_data_local
# global dataset
# train_data_global = data.DataLoader(
# data.ConcatDataset(
# list(dl.dataset for dl in list(train_data_local_dict.values()))
# ),
# batch_size=batch_size, shuffle=True)
# train_data_num = len(train_data_global.dataset)
# test_data_global = data.DataLoader(
# data.ConcatDataset(
# list(dl.dataset for dl in list(test_data_local_dict.values()) if dl is not None)
# ),
# batch_size=batch_size, shuffle=True)
# test_data_num = len(test_data_global.dataset)
train_data_global = data.ConcatDataset(
list(dl.dataset for dl in list(train_data_local_dict.values()))
)
test_data_global = data.ConcatDataset(
list(dl.dataset for dl in list(test_data_local_dict.values()) if dl is not None))
# DEFAULT_TRAIN_CLINETS_NUM = 500, train_data_num = 50000, test_data_num = 10000
# train_data_global=5만개 datalodaer, test_data_globa = 1만개 dataloader -> dataset필요시. train_data_global.dataset
# data_local_num_dict = client data개수 사전, train_data_local_dcit = client dataloader dict,
return train_data_global, test_data_global, train_data_local_dict,
def get_dataloader(dataset, data_dir, train_bs, test_bs, client_idx=None):
if client_idx is None:
train_dl = data.DataLoader(data.ConcatDataset(
StackOverflowDataset(
os.path.join(data_dir, DEFAULT_TRAIN_FILE), client_idx,
"train", {
"input": lambda x: utils.preprocess_input(x, data_dir),
"target": lambda y: utils.preprocess_target(y, data_dir)
}) for client_idx in range(DEFAULT_TRAIN_CLINETS_NUM)),
batch_size=batch_size,
shuffle=True)
test_dl = data.DataLoader(data.ConcatDataset(
StackOverflowDataset(
os.path.join(data_dir, DEFAULT_TEST_FILE), client_idx, "test",
{
"input": lambda x: utils.preprocess_input(x, data_dir),
"target": lambda y: utils.preprocess_target(y, data_dir)
}) for client_idx in range(DEFAULT_TEST_CLINETS_NUM)),
batch_size=batch_size,
shuffle=True)
return train_dl, test_dl
else:
train_ds = StackOverflowDataset(
os.path.join(data_dir, DEFAULT_TRAIN_FILE), client_idx, "train", {
"input": lambda x: utils.preprocess_input(x, data_dir),
"target": lambda y: utils.preprocess_target(y, data_dir)
})
train_dl = data.DataLoader(dataset=train_ds,
batch_size=train_bs,
shuffle=True,
drop_last=False)
if client_idx >= DEFAULT_TEST_CLIENTS_NUM:
test_dl = None
else:
test_ds = StackOverflowDataset(
os.path.join(data_dir, DEFAULT_TEST_FILE), client_idx, "test",
{
"input": lambda x: utils.preprocess_input(x, data_dir),
"target": lambda y: utils.preprocess_target(y, data_dir)
})
test_dl = data.DataLoader(dataset=test_ds,
batch_size=test_bs,
shuffle=True,
drop_last=False)
return train_dl, test_dl
def load_partition_data_federated_shakespeare(dataset,
data_dir,
batch_size=DEFAULT_BATCH_SIZE):
#client id list
train_file_path = os.path.join(data_dir, DEFAULT_TRAIN_FILE)
test_file_path = os.path.join(data_dir, DEFAULT_TEST_FILE)
with h5py.File(train_file_path,
'r') as train_h5, h5py.File(test_file_path, 'r') as test_h5:
global client_ids_train, client_ids_test
client_ids_train = list(train_h5[_EXAMPLE].keys())
client_ids_test = list(test_h5[_EXAMPLE].keys())
# get local dataset
data_local_num_dict = dict()
train_data_local_dict = dict()
test_data_local_dict = dict()
for client_idx in range(DEFAULT_TRAIN_CLIENTS_NUM):
train_data_local, test_data_local = get_dataloader(
dataset, data_dir, batch_size, batch_size, client_idx)
local_data_num = len(train_data_local.dataset)
data_local_num_dict[client_idx] = local_data_num
logging.info("client_idx = %d, local_sample_number = %d" %
(client_idx, local_data_num))
logging.info(
"client_idx = %d, batch_num_train_local = %d, batch_num_test_local = %d"
% (client_idx, len(train_data_local), len(test_data_local)))
train_data_local_dict[client_idx] = train_data_local
test_data_local_dict[client_idx] = test_data_local
# global dataset
train_data_global = data.DataLoader(data.ConcatDataset(
list(dl.dataset for dl in list(train_data_local_dict.values()))),
batch_size=batch_size,
shuffle=True)
train_data_num = len(train_data_global.dataset)
test_data_global = data.DataLoader(data.ConcatDataset(
list(dl.dataset for dl in list(test_data_local_dict.values())
if dl is not None)),
batch_size=batch_size,
shuffle=True)
test_data_num = len(test_data_global.dataset)
VOCAB_LEN = len(utils.get_word_dict()) + 1
return DEFAULT_TRAIN_CLIENTS_NUM, train_data_num, test_data_num, train_data_global, test_data_global, \
data_local_num_dict, train_data_local_dict, test_data_local_dict, VOCAB_LEN
def __init__(self, dataset_folder, fields, split=None,
classes=None, no_except=True, transform=None):
# Read metadata file
metadata_file = os.path.join(dataset_folder, 'metadata.yaml')
if os.path.exists(metadata_file):
with open(metadata_file, 'r') as f:
metadata = yaml.load(f)
else:
metadata = {}
# If classes is None, use all subfolders
if classes is None:
classes = os.listdir(dataset_folder)
classes = [c for c in classes
if os.path.isdir(os.path.join(dataset_folder, c))]
# Get all sub-datasets
self.datasets_classes = []
for c in classes:
subpath = os.path.join(dataset_folder, c)
if not os.path.isdir(subpath):
logger.warning('Class %s does not exist in dataset.' % c)
metadata_c = metadata.get(c, {'id': c, 'name': 'n/a'})
dataset = Shapes3dClassDataset(subpath, fields, split,
metadata_c, no_except,
transform=transform)
self.datasets_classes.append(dataset)
self._concat_dataset = data.ConcatDataset(self.datasets_classes)
def build_dataset_from_category(self, category, typ, max_elements=None):
"""Build a dataset for all modules in a category"""
print(f"adding category {category}/../{typ}")
ds = self._build_datasets_from_category(
category, typ, max_elements=max_elements
)
return data.ConcatDataset(ds)
def get_training_dataloader(parameters, include_field, num_fields_list):
batch_size = parameters['batch_size']
dataset_list = []
num_examples = 0
for current_field in num_fields_list:
X_name, y_name = '_X_train_', '_y_train_'
prefix = 'field_' + str(current_field)
X = np.load(saves_directory + '/' + prefix + X_name +
str(num_datapoints) + '.npy')
y = np.load(saves_directory + '/' + prefix + y_name +
str(num_datapoints) + '.npy')
if include_field == 'd':
X = X[:, dataset_indices]
elif include_field == 'f':
X = X[:, field_indices]
num_examples += X.shape[0]
parameters['input_dim'] = X.shape[1]
X, y = torch.from_numpy(X).float(), torch.from_numpy(y)
dataset_list.append(data.TensorDataset(X, y))
print('loaded training dimensions are (' + str(num_examples) + ',' +
str(parameters['input_dim']) + ')')
dataset = data.ConcatDataset(dataset_list)
return data.DataLoader(dataset,
batch_size=batch_size,
shuffle=True,
num_workers=0)
def __init__(
self,
tickers: Tuple[str, ...],
end: pd.Timestamp,
params: PhenotypeData,
params_type: Type[features.DataParams],
):
"""Формирует загрузчики данных для обучения, валидации, тестирования и прогнозирования для
заданных тикеров и конечной даты на основе словаря с параметрами.
:param tickers:
Перечень тикеров, для которых будет строится модель.
:param end:
Конец диапазона дат статистики, которые будут использоваться для
построения модели.
:param params:
Словарь с параметрами для построения признаков и других элементов модели.
:param params_type:
Тип формируемых признаков.
"""
params = params_type(tickers, end, params)
data_sets = [OneTickerDataset(ticker, params) for ticker in tickers]
super().__init__(
dataset=data.ConcatDataset(data_sets),
batch_size=params.batch_size,
shuffle=params.shuffle,
drop_last=False,
num_workers=
0, # Загрузка в отдельном потоке - увеличение потоков не докидывает
)
self._features_description = data_sets[0].features_description
self._history_days = params.history_days
def build_dataset_from_modules(self, category, modules, typ, max_elements=None):
"""Build a dataset from several modules in a category"""
ds = []
for module in modules:
self.dfs[category][module][typ].set_max_elements(max_elements)
ds.append(self.dfs[category][module][typ])
return data.ConcatDataset(ds)
def get_detection_dataset_dicts(names,
filter_empty=True,
min_keypoints=0,
proposal_files=None):
"""
Load and prepare dataset dicts for instance detection/segmentation and semantic segmentation.
Args:
names (str or list[str]): a dataset name or a list of dataset names
filter_empty (bool): whether to filter out images without instance annotations
min_keypoints (int): filter out images with fewer keypoints than
`min_keypoints`. Set to 0 to do nothing.
proposal_files (list[str]): if given, a list of object proposal files
that match each dataset in `names`.
Returns:
list[dict]: a list of dicts following the standard dataset dict format.
"""
if isinstance(names, str):
names = [names]
assert len(names), names
dataset_dicts = [
DatasetCatalog.get(dataset_name) for dataset_name in names
]
for dataset_name, dicts in zip(names, dataset_dicts):
assert len(dicts), "Dataset '{}' is empty!".format(dataset_name)
if proposal_files is not None:
assert len(names) == len(proposal_files)
# load precomputed proposals from proposal files
dataset_dicts = [
load_proposals_into_dataset(dataset_i_dicts, proposal_file)
for dataset_i_dicts, proposal_file in zip(dataset_dicts,
proposal_files)
]
if isinstance(dataset_dicts[0], torchdata.Dataset):
return torchdata.ConcatDataset(dataset_dicts)
dataset_dicts = list(itertools.chain.from_iterable(dataset_dicts))
has_instances = "annotations" in dataset_dicts[0]
if filter_empty and has_instances:
dataset_dicts = filter_images_with_only_crowd_annotations(
dataset_dicts)
if min_keypoints > 0 and has_instances:
dataset_dicts = filter_images_with_few_keypoints(
dataset_dicts, min_keypoints)
if has_instances:
try:
class_names = MetadataCatalog.get(names[0]).thing_classes
check_metadata_consistency("thing_classes", names)
print_instances_class_histogram(dataset_dicts, class_names)
except AttributeError: # class names are not available for this dataset
pass
assert len(dataset_dicts), "No valid data found in {}.".format(
",".join(names))
return dataset_dicts
def get_dataset(out_size, cache_dir, mode):
datasets_list = []
if mode == 'train':
sets_path = [os.path.join(sets_root, sets) for sets in training_sets]
else:
sets_path = [os.path.join(sets_root, sets) for sets in testing_sets]
for set_path in sets_path:
sub_set_names = os.listdir(set_path)
for sub_set_name in sub_set_names:
sub_set_path = os.path.join(set_path, sub_set_name)
if (os.path.isdir(sub_set_path)) and ('_lmdb' in sub_set_name):
if mode == 'train':
datasets_list.append(
LMDBDataset(
db_path=sub_set_path,
cache_dir=cache_dir,
pre_transform=pre_transform(out_size),
input_transform_norm=input_transform_norm(
out_size),
target_transform_norm=target_transform_norm(
out_size)))
else:
datasets_list.append(
LMDBDataset(
db_path=sub_set_path,
cache_dir=cache_dir,
pre_transform=pre_transform_test(out_size),
input_transform_norm=input_transform_norm(
out_size),
target_transform_norm=target_transform_norm(
out_size)))
return data.ConcatDataset(datasets_list)
def __init__(self,
dataset1,
dataset2,
semantics=None,
nc=10,
device='cuda'):
labels = []
self.domains = [0] * len(dataset1) + [1] * len(dataset2)
self.dataset = data.ConcatDataset((dataset1, dataset2))
if semantics:
print('Infering semantics for dataset1')
for sample, _ in dataset1:
sample = sample.to(device)
sample = (sample.unsqueeze(0) + 1) * 0.5
label = semantics(sample).argmax(1)
labels.append(label)
print('Infering semantics for dataset2')
for sample, _ in dataset2:
sample = sample.to(device)
sample = (sample.unsqueeze(0) + 1) * 0.5
label = semantics(sample).argmax(1)
labels.append(label)
self.labels = torch.LongTensor(labels)
self.labels_idxs = [
torch.nonzero(self.labels == label)[:, 0]
for label in range(nc)
]
else:
self.labels = torch.LongTensor([0] * len(self.domains))
self.labels_idxs = [torch.arange(len(self.labels))]
def get_dataset(is_training):
img_path_list = []
img_name_list = []
datasets_list = []
sets_path = get_setspath(is_training)
print(sets_path)
labels_path = get_labelspath(is_training)
wholeimg_path = get_imgpath(is_training)
transform = get_transform()
for set_path in sets_path:
subset_names = os.listdir(set_path)
for subset_name in subset_names:
subset_path = os.path.join(set_path, subset_name)
img_name_list.append(subset_name)
img_path_list.append(subset_path)
datasets_list.append(
ImgDataset(
img_path=img_path_list,
img_name=img_name_list,
transform=transform,
is_training=is_training,
label_path=labels_path[0],
wholeimg_path=wholeimg_path[0]
)
)
return data.ConcatDataset(datasets_list)
def training(self, train_datasets, **kwargs):
n_epochs = kwargs.get('n_epochs', 1)
log_freq = kwargs.get('log_freq', 500)
mini_batch_size = kwargs.get('mini_batch_size')
if self.training_mode == 'sequential':
for train_dataset in train_datasets:
logger.info('Training on {}'.format(
train_dataset.__class__.__name__))
train_dataloader = data.DataLoader(
train_dataset,
batch_size=mini_batch_size,
shuffle=False,
collate_fn=datasets.utils.batch_encode)
self.train(dataloader=train_dataloader,
n_epochs=n_epochs,
log_freq=log_freq)
elif self.training_mode == 'multi_task':
train_dataset = data.ConcatDataset(train_datasets)
logger.info('Training multi-task model on all datasets')
train_dataloader = data.DataLoader(
train_dataset,
batch_size=mini_batch_size,
shuffle=True,
collate_fn=datasets.utils.batch_encode)
self.train(dataloader=train_dataloader,
n_epochs=n_epochs,
log_freq=log_freq)
else:
raise ValueError('Invalid training mode')
def get_motionseg_dataset(config,split):
dataset_dict={"fbms":fbms_dataset,
"fbms-3d":fbms_dataset,
"cdnet2014":cdnet_dataset,
"segtrackv2":segtrackv2_dataset,
"bmcnet":bmcnet_dataset,
"davis2016":davis_dataset,
'davis2017':davis_dataset}
normer=image_normalizations(ways='-1,1')
augmentations = Augmentations()
key=config.dataset.lower()
if key in dataset_dict.keys():
config.root_path=dataset_root_dict[key]
xxx_dataset=dataset_dict[key](config,split,normalizations=normer,augmentations=augmentations)
elif key == "all":
dataset_set=[]
for d in ['FBMS','cdnet2014','segtrackv2','BMCnet','DAVIS2017','DAVIS2016']:
config.dataset=d
dataset_set.append(get_motionseg_dataset(config,split))
xxx_dataset=td.ConcatDataset(dataset_set)
else:
assert False,'dataset must in {} or all'.format(dataset_dict.keys())
return xxx_dataset
def test(mode, model_path, args):
""" Performs decoding on a test set, and save the best-scoring decoding results.
"""
assert mode in MODEs, 'Invalid mode!'
print('mode:', mode)
print("load test data...")
if mode == 'cls3':
with open(DATASET_TEST_CLS3, 'rb') as f:
dataset_test = pickle.load(f)
elif mode == 'cls18':
with open(DATASET_TEST_CLS18, 'rb') as f:
dataset_test = pickle.load(f)
else:
with open(DATASET_TEST_CLS3, 'rb') as f:
dataset_cls3 = pickle.load(f)
with open(DATASET_TEST_CLS3, 'rb') as f:
dataset_cls18 = pickle.load(f)
dataset_test = data.ConcatDataset([dataset_cls3, dataset_cls18])
print("load model from {}".format(model_path))
model = Seq2seq.load(model_path)
if USE_CUDA:
print('use device: %s' % device, file=sys.stderr)
model = model.to(device)
if GPU_PARALLEL:
print("Let's use", torch.cuda.device_count(), "GPUs!")
model = torch.nn.DataParallel(model, device_ids=[0, 1])
if mode in ('summ', 'qa'):
evaluate_summ_qa(model, dataset_test, mode, batch_size=128)
else:
evaluate_cls(model, dataset_test, mode, batch_size=512)
def training(self, datasets, **kwargs):
train_datasets = datasets_dict(datasets["train"], datasets["order"])
val_datasets = datasets_dict(datasets["val"], datasets["order"])
self.relearning_task_dataset = {
self.relearning_task: val_datasets[self.relearning_task]
}
self.dataloaders = {
self.relearning_task:
data.DataLoader(train_datasets[self.relearning_task],
batch_size=self.mini_batch_size,
shuffle=True),
# for now, pi;e all other tasks on one stack
OTHER_TASKS:
data.DataLoader(data.ConcatDataset([
dataset for task, dataset in train_datasets.items()
if task != self.relearning_task
]),
batch_size=self.mini_batch_size,
shuffle=True)
}
self.metrics[self.relearning_task]["performance"].append([])
# write performance of initial encounter (before training) to metrics
self.metrics[self.relearning_task]["performance"][0].append(
self.validate(self.relearning_task_dataset,
log=False,
n_samples=self.config.training.n_validation_samples)[
self.relearning_task])
self.metrics[
self.relearning_task]["performance"][0][0]["examples_seen"] = 0
# first encounter relearning task
self.train(dataloader=self.dataloaders[self.relearning_task],
datasets=datasets)
def main():
print("building vocab")
vocab = Vocabulary()
tokenizer = create_tokenizer()
indexer = create_token_indexer(vocab, update_vocab=True)
mini_batcher = create_mini_batcher(padding=vocab.PAD)
ds1 = Reviews("data/amazon_cells_labelled.txt", tokenizer, indexer)
ds2 = Reviews("data/imdb_labelled.txt", tokenizer, indexer)
ds3 = Reviews("data/yelp_labelled.txt", tokenizer, indexer)
ds = D.ConcatDataset([ds1, ds2, ds3])
train_ds, test_ds = train_test_split(ds, 0.8)
print("getting glove weights")
embed_weights = torch.tensor(get_embedding_weights(vocab)).float().to(0)
print("loading model")
model = Classifier(embed_weights=embed_weights, )
print("starting training..")
train_and_test(
train_ds=train_ds,
test_ds=test_ds,
mini_batcher=mini_batcher,
batch_size=32,
lr=0.001,
epochs=1000,
model=model,
)
def create_dataset_multi(dsnames,
transform,
num_samples=None,
indices=None,
train=False,
repeat_factor=None):
assert num_samples is None or indices is None, "num_sample and indices can not both be defines"
if indices is None:
try:
indices = range(num_samples)
except TypeError:
indices = None
datasets_for_phase = []
for name in dsnames:
ds = create_dataset(name, train, transform, indices, repeat_factor)
datasets_for_phase.append(ds)
is_single_dataset = isinstance(dsnames, str) or len(dsnames) == 1
if is_single_dataset:
dataset = datasets_for_phase[0]
else:
dataset = td.ConcatDataset(datasets_for_phase)
print(dataset)
return dataset
def get(self,
language=None,
split=None,
chunk_slice=None,
force_lazy=False):
def is_needed(path: CodeSearchDataPath):
cond = True
if language is not None:
cond = cond and path.lang == language
if split is not None:
cond = cond and path.split == split
if chunk_slice is not None:
if isinstance(chunk_slice, int):
cond = cond and path.chunk_num == chunk_slice
elif isinstance(chunk_slice, slice):
cond = cond and path.chunk_num in range(
*chunk_slice.indices(len(self.pool.dataset_paths)))
else:
raise ValueError(f"invalid chunk index {chunk_slice}")
return cond
needed_paths = [
path for path in self.pool.dataset_paths if is_needed(path)
]
needed_paths.sort()
lazy_dataset_list = [
LazyLoadCodeSearchChunk(path, self.pool) for path in needed_paths
]
if len(needed_paths) <= self.pool.max_cache and not force_lazy:
self.pool.warm_up(needed_paths)
dataset = dt.ConcatDataset(lazy_dataset_list)
return dataset
def __init__(self, videos, batch_size, shuffle=False, num_workers=0):
self.videos = videos
self.batch_size = batch_size
self.shuffle = shuffle
self.dataset = data.ConcatDataset(videos)
self.data_loader = data.DataLoader(self.dataset, batch_size, shuffle,
pin_memory=True, num_workers=num_workers)
def __init__(self,
root,
domain,
partition,
num_points=1024,
sampling_method='random',
download=False,
test_cnt=1,
transforms=None):
if download:
self.download(root)
self.domain = domain
self.num_points = num_points
self.partition = partition
if partition in ['train', 'trainval']:
self.dataset = DOMAIN_DATASET[domain](root=root,
partition=partition,
seed=None)
self.targets = self.dataset.targets
elif partition in ['test', 'val']:
self.dataset = data.ConcatDataset([
DOMAIN_DATASET[domain](root=root,
partition=partition,
seed=seed) for seed in range(test_cnt)
])
self.targets = []
for seed in range(test_cnt):
self.targets.extend(DOMAIN_DATASET[domain](root=root,
partition=partition,
seed=seed).targets)
else:
raise NotImplementedError
self.sampling_method = sampling_method
self.transforms = transforms
def training(self, train_datasets, **kwargs):
n_epochs = kwargs.get('n_epochs', 1)
log_freq = kwargs.get('log_freq', 20)
mini_batch_size = kwargs.get('mini_batch_size')
if self.training_mode == 'sequential':
for cluster_idx, train_dataset in enumerate(train_datasets):
logger.info('Training on cluster {}'.format(cluster_idx + 1))
train_dataloader = data.DataLoader(
train_dataset,
batch_size=mini_batch_size,
shuffle=False,
collate_fn=datasets.utils.rel_encode)
self.train(dataloader=train_dataloader,
n_epochs=n_epochs,
log_freq=log_freq)
elif self.training_mode == 'multi_task':
train_dataset = data.ConcatDataset(train_datasets)
logger.info('Training multi-task model on all datasets')
train_dataloader = data.DataLoader(
train_dataset,
batch_size=mini_batch_size,
shuffle=True,
collate_fn=datasets.utils.rel_encode)
self.train(dataloader=train_dataloader,
n_epochs=n_epochs,
log_freq=log_freq)