Datasets:
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import torch
from torch.utils.data import DataLoader
from dataloaders.dataloader_MGSV_EC_feature import MGSV_EC_DataLoader
def dataloader_MGSV_EC_train(args):
MGSV_EC_trainset = MGSV_EC_DataLoader(
csv_path=args.train_csv,
args=args,
)
train_sampler = torch.utils.data.distributed.DistributedSampler(MGSV_EC_trainset, num_replicas=args.world_size, rank=args.rank)
dataloader = DataLoader(
MGSV_EC_trainset,
batch_size=args.batch_size_train // args.gpu_num,
num_workers=args.num_workers,
shuffle=(train_sampler is None),
sampler=train_sampler,
drop_last=True,
pin_memory=True,
)
return dataloader, len(MGSV_EC_trainset), train_sampler
def dataloader_MGSV_EC_val(args):
MGSV_EC_valset = MGSV_EC_DataLoader(
csv_path=args.val_csv,
args=args,
)
val_sampler = torch.utils.data.distributed.DistributedSampler(MGSV_EC_valset, num_replicas=args.world_size, rank=args.rank)
dataloader = DataLoader(
MGSV_EC_valset,
batch_size=args.batch_size_val // args.gpu_num,
num_workers=args.num_workers,
shuffle=(val_sampler is None),
sampler=val_sampler,
drop_last=False,
)
return dataloader, len(MGSV_EC_valset), val_sampler
def dataloader_MGSV_EC_test(args):
MGSV_EC_testset = MGSV_EC_DataLoader(
csv_path=args.val_csv,
args=args,
)
test_sampler = torch.utils.data.distributed.DistributedSampler(MGSV_EC_testset, num_replicas=args.world_size, rank=args.rank)
dataloader = DataLoader(
MGSV_EC_testset,
batch_size=args.batch_size_val // args.gpu_num,
num_workers=args.num_workers,
shuffle=(test_sampler is None),
sampler=test_sampler,
drop_last=False,
)
return dataloader, len(MGSV_EC_testset), test_sampler
DATALOADER_DICT = {}
DATALOADER_DICT["kuai50k_uni"] = {
"train": dataloader_MGSV_EC_train,
"val": dataloader_MGSV_EC_val,
"test": dataloader_MGSV_EC_test
}
# DATALOADER_DICT["kuai50k_vmr"] = {
# "train": dataloader_MGSV_EC_train,
# "val": dataloader_MGSV_EC_val,
# "test": dataloader_MGSV_EC_test
# }
# DATALOADER_DICT["kuai50k_mr"] = {
# "train": dataloader_MGSV_EC_train,
# "val": dataloader_MGSV_EC_val,
# "test": dataloader_MGSV_EC_test
# } |