UserWarning: __floordiv__ is deprecated, and its behavior will change in a future version of pytorch

[mbarnig]

__floordiv__ rounds toward 0 (like the 'trunc' function NOT 'floor'). This results in incorrect rounding for negative values. To keep the current behavior, use torch.div(a, b, rounding_mode='trunc'), or for actual floor division, use torch.div(a, b, rounding_mode='floor').

Some TTS models generate negative loss values during training with the Marylux-648 dataset. This can have an impact on the results.