mael

Solution "Unable to boot the Simulator"

sudo mkdir /private/tmp

sudo chmod 1777 /private/tmp

Other basic command

xcrun

xcrun simctl list devices //to list all simulators

xcrun simctl delete // to delete specific device

ranftlr

def trimmed_mae_loss(prediction, target, mask, trim=0.2):
    M = torch.sum(mask, (1, 2))
    res = prediction - target

    res = res[mask.bool()].abs()

    trimmed, _ = torch.sort(res.view(-1), descending=False)[
        : int(len(res) * (1.0 - trim))
    ]