import torch


def count_parameters(model):
    return sum(
        parameter.numel()
        for parameter in model.parameters()
        if parameter.requires_grad
    )


def get_device():
    if torch.cuda.is_available():
        return torch.device("cuda")

    if hasattr(torch.backends, "mps") and torch.backends.mps.is_available():
        return torch.device("mps")

    return torch.device("cpu")