Clear the history information in the state
Clear the history information in the state
Optimize the model parameter
Optimize the model parameter
a function that takes a single input (X), the point of a evaluation, and returns f(X) and df/dX
the initial point
a table with configuration parameters for the optimizer
a table describing the state of the optimizer; after each call the state is modified
the new x vector and the function list, evaluated before the update
Get hyper parameter from config table.
Get hyper parameter from config table.
a table contains the hyper parameter.
Update hyper parameter.
Update hyper parameter. We have updated hyper parameter in method optimize(). But in DistriOptimizer, the method optimize() is only called on the executor side, the driver's hyper parameter is unchanged. So this method is using to update hyper parameter on the driver side.
config table.
state Table.
A string.
Similar to torch Optim method, which is used to update the parameter