model = dict( type='SimCLR', backbone=dict( type='ResNet', depth=50, in_channels=3, out_indices=[4], norm_cfg=dict(type='SyncBN'), zero_init_residual=True), neck=dict( type='NonLinearNeck', in_channels=2048, hid_channels=2048, out_channels=128, num_layers=2, with_avg_pool=True), head=dict(type='MaclaHead', temperature=0.1)) data_source = 'ImageNet' dataset_type = 'MultiViewDataset' img_norm_cfg = dict(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]) train_pipeline = [ dict(type='RandomResizedCrop', size=224), dict(type='RandomHorizontalFlip'), dict( type='RandomAppliedTrans', transforms=[ dict( type='ColorJitter', brightness=0.8, contrast=0.8, saturation=0.8, hue=0.2) ], p=0.8), dict(type='RandomGrayscale', p=0.2), dict(type='GaussianBlur', sigma_min=0.1, sigma_max=2.0, p=0.5), dict(type='ToTensor'), dict( type='Normalize', mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]) ] prefetch = False data = dict( samples_per_gpu=64, workers_per_gpu=4, train=dict( type='MultiViewDataset', data_source=dict( type='ImageNet', data_prefix='./data/train', ann_file='./data/train.txt'), num_views=[2], pipelines=[[{ 'type': 'RandomResizedCrop', 'size': 224 }, { 'type': 'RandomHorizontalFlip' }, { 'type': 'RandomAppliedTrans', 'transforms': [{ 'type': 'ColorJitter', 'brightness': 0.8, 'contrast': 0.8, 'saturation': 0.8, 'hue': 0.2 }], 'p': 0.8 }, { 'type': 'RandomGrayscale', 'p': 0.2 }, { 'type': 'GaussianBlur', 'sigma_min': 0.1, 'sigma_max': 2.0, 'p': 0.5 }, { 'type': 'ToTensor' }, { 'type': 'Normalize', 'mean': [0.485, 0.456, 0.406], 'std': [0.229, 0.224, 0.225] }]], prefetch=False)) optimizer = dict( type='LARS', lr=0.3, weight_decay=1e-06, momentum=0.9, paramwise_options=dict({ '(bn|gn)(\d+)?.(weight|bias)': dict(weight_decay=0.0, lars_exclude=True), 'bias': dict(weight_decay=0.0, lars_exclude=True) })) optimizer_config = dict() lr_config = dict( policy='CosineAnnealing', min_lr=0.0, warmup='linear', warmup_iters=10, warmup_ratio=0.0001, warmup_by_epoch=True) runner = dict(type='EpochBasedRunner', max_epochs=800) checkpoint_config = dict(interval=10, max_keep_ckpts=3) log_config = dict(interval=50, hooks=[dict(type='TextLoggerHook')]) dist_params = dict(backend='nccl') cudnn_benchmark = True log_level = 'INFO' load_from = None resume_from = None workflow = [('train', 1)] persistent_workers = True opencv_num_threads = 0 mp_start_method = 'fork' work_dir = 'trained/pretrain/simclr_256_e800/' auto_resume = False gpu_ids = range(0, 4)