ParameterGroupOptimizerBuilder

public init()

public mutating mutating func makeParameter(_ name: String, _ value: Float) -> GlobalAccessor

public subscript(global: GlobalAccessor) -> Float { get }

public subscript(state name: String) -> StateAccessor { mutating get }

public subscript(local name: String) -> LocalAccessor { mutating get }

public mutating mutating func appendCallback(_ cb: @escaping OptimizerCallback)

public mutating mutating func makeOptimizer() -> ParameterGroupOptimizer

public mutating func sgdStep(
  nesterov: Bool, mom: GlobalAccessor, lr: GlobalAccessor, velocity: StateAccessor
)

public mutating func clippedTrustRatio(
  trustCoefficient: GlobalAccessor,
  epsilon: GlobalAccessor, weightDecay: GlobalAccessor
) -> LocalAccessor

public mutating mutating func scaleGradByTrustRatio(trustRatio: LocalAccessor)

public mutating mutating func scaleGradient(byWeightDecay weightDecay: GlobalAccessor)

public mutating func updateVelocity(
  mom: GlobalAccessor, lr: GlobalAccessor, velocity: StateAccessor
)