whansk50

Okay, I referred this issue and modified according with @JasonBoy1 and @Rabbit19731, it works fine. In conclusion, it needs `batch_first` in `__init__` of class CRNN, models/crnn.py to `True` (and it...

Yeah, I fixed `trainer` like this to fit the version of Lightning(currently using with single gpu): ``` trainer = Trainer( logger=wandb_logger, callbacks=[checkpoint_callback], max_epochs=config.trainer.epochs, default_root_dir=root_dir, devices=gpus, accelerator='cuda', benchmark=True, sync_batchnorm=True, precision=config.precision, log_every_n_steps=config.trainer.log_every_n_steps,...

I already did with single GPU and got no problem. Then Isn't there any solution with multiple GPUs?