Total image pairs: 200 Total image pairs: 200 Running on CPU Training config: APPEND_VALID_MASK: False CKPT_DIR: ./checkpoints CKPT_INTERVAL: 1 CRITERION: CUSTOM: True NAME: MultiScaleLoss PARAMS: weights: [1, 0.5, 0.25, 0.125, 0.0625] DATA: AUGMENTATION: PARAMS: CROP_SIZE: [256, 256] TRAINING: SPATIAL_AUG_PARAMS: flip: True max_scale: 1.0 min_scale: -0.1 VALIDATION: COLOR_AUG_PARAMS: aug_prob: 0.0 ERASER_AUG_PARAMS: aug_prob: 0.0 SPATIAL_AUG_PARAMS: aug_prob: 0.0 USE: True BATCH_SIZE: 16 NUM_WORKERS: 1 PIN_MEMORY: True TRAIN_CROP_SIZE: [256, 256] TRAIN_DATASET: NAME: flyingchairs ROOT_DIR: ../../../Datasets/FlyingChairs_release/data VAL_CROP_SIZE: [256, 256] VAL_DATASET: NAME: flyingchairs ROOT_DIR: ../../../Datasets/FlyingChairs_release/data DEVICE: cpu DISTRIBUTED: BACKEND: nccl MASTER_ADDR: localhost MASTER_PORT: 12355 RANK: 0 USE: False WORLD_SIZE: 2 EPOCHS: 100 GRAD_CLIP: USE: True VALUE: 1.0 LOG_DIR: ./logs LOG_ITERATIONS_INTERVAL: 100 MIXED_PRECISION: False NUM_STEPS: None OPTIMIZER: LR: 0.0004 NAME: AdamW PARAMS: eps: 1e-08 weight_decay: 0.0001 RESUME_TRAINING: CONSOLIDATED_CKPT: None EPOCHS: 100 START_EPOCH: None SCHEDULER: NAME: OneCycleLR PARAMS: anneal_strategy: linear cycle_momentum: False epochs: 100 max_lr: 0.0004 pct_start: 0.05 steps_per_epoch: 2300 USE: True TARGET_SCALE_FACTOR: 1 VALIDATE_INTERVAL: 1 VALIDATE_ON: metric -------------------------------------------------------------------------------- Epoch 1 of 100 -------------------------------------------------------------------------------- Traceback (most recent call last): File "myMain.py", line 67, in trainer.train() File "/home/s/FlowNets/ezflow/ezflow/engine/trainer.py", line 599, in train best_model = self._trainer(total_iterations, start_iteration) File "/home/s/FlowNets/ezflow/ezflow/engine/trainer.py", line 141, in _epoch_trainer for iteration, (inp, target) in enumerate(self.train_loader): File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 681, in __next__ data = self._next_data() File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 1376, in _next_data return self._process_data(data) File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 1402, in _process_data data.reraise() File "/home/s/.local/lib/python3.7/site-packages/torch/_utils.py", line 461, in reraise raise exception RuntimeError: Caught RuntimeError in DataLoader worker process 0. Original Traceback (most recent call last): File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 302, in _worker_loop data = fetcher.fetch(index) File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 52, in fetch return self.collate_fn(data) File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/collate.py", line 175, in default_collate return [default_collate(samples) for samples in transposed] # Backwards compatibility. File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/collate.py", line 175, in return [default_collate(samples) for samples in transposed] # Backwards compatibility. File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/collate.py", line 175, in default_collate return [default_collate(samples) for samples in transposed] # Backwards compatibility. File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/collate.py", line 175, in return [default_collate(samples) for samples in transposed] # Backwards compatibility. File "/home/s/.local/lib/python3.7/site-packages/torch/utils/data/_utils/collate.py", line 141, in default_collate return torch.stack(batch, 0, out=out) RuntimeError: stack expects each tensor to be equal size, but got [3, 375, 384] at entry 0 and [3, 384, 384] at entry 2