远程实时loss

import visdom

vis = visdom.Visdom()

try:
    win = vis.line(
        Y=np.column_stack(([loss], [valid_loss])),
        X=np.column_stack((np.arange(epoch - 1, epoch), np.arange(epoch - 1, epoch))),
        win=win,
        update='append'
    )
except:
    win = vis.line(
        Y=np.column_stack(([loss], [valid_loss])),
        X=np.column_stack((np.arange(epoch - 1, epoch), np.arange(epoch - 1, epoch)))
    )