Function _create_causal_mask

models.py:55–56

(seq_len: int, device: torch.device)

def _create_causal_mask(seq_len: int, device: torch.device):
    return torch.tril(torch.ones(seq_len, seq_len, dtype=torch.bool, device=device))


def _index_causal_mask(mask: torch.Tensor, input_pos: torch.Tensor):