Whole-MLP split for a 3-bit block-interleaved down projection.
Readonly
As AneTrellisMlpSplit.dispose.
hidden [.., M, D], M <= rows → MLP(hidden) [.., M, D], unevaluated (mlpSplit).
Static
As AneTrellisMlpSplit.build.
Optional
Whole-MLP split for a 3-bit block-interleaved down projection.