transformers

f6fe41c9 - Reset loss to zero on logging in Trainer to avoid bfloat16 issues (#8561)

Reset loss to zero on logging in Trainer to avoid bfloat16 issues (#8561) * make tr_loss regular float * Revert "make tr_loss regular float" This reverts commit c9d7ccfaf0c4387187b0841694f01ec0ffd5f4ba. * reset loss at each logging step * keep track of total loss with _total_loss_scalar * add remaining tr_loss at the end