MinValueTrigger(key, trigger=(1, 'epoch'))¶
Trigger invoked when specific value becomes minimum.
For example you can use this trigger to take snapshot on the epoch the validation loss is minimum.
key (str) – Key of value. The trigger fires when the value associated with this key becomes minimum.
trigger – Trigger that decides the comparison interval between current best value and new value. This must be a tuple in the form of
<int>, 'iteration'which is passed to
Decides whether the extension should be called on this iteration.