def ab4
bendtorch-gpu@1.3.0.0 · main.bend:939
import bendtorch-gpu@1.3.0.0/main.bend as BendtorchGpu
import Base
import bend-ml-tensor-array@0.1.18.0/main.bend as TA
import bend-ml-tensor-gpu@0.1.5.0/main.bend as TG
import bendtorch@1.3.0.0/main.bend as T
939def ab4(-n: Nat, -w: Nat, -kvw: Nat, r: TG.R4) -> T.Bwd<Unit, T.Two<TA.Mat<n, w>, T.Two<TA.Mat<n, kvw>, TA.Mat<n, kvw>>>>:
940 match r:
941 case TG.R4{x1, x2, x3, x4, TG.O4{p, dq, dk, dv}}: T.Bwd{Unit{}, T.Two{TA.Mat{dq}, T.Two{TA.Mat{dk}, TA.Mat{dv}}}, Unit{}}