case classPoly(power: Double, maxIteration: Int) extends LearningRateSchedule with Product with Serializable
A learning rate decay policy, where the effective learning rate
follows a polynomial decay, to be zero by the max_iteration.
Calculation: base_lr (1 - iter/maxIteration) ^ (power)
A learning rate decay policy, where the effective learning rate follows a polynomial decay, to be zero by the max_iteration. Calculation: base_lr (1 - iter/maxIteration)
^
(power)
coeffient of decay, refer to calculation formula
max iteration when lr becomes zero