BendtorchGpu.ab4: def of bendtorch-gpu@1.3.0.0
Import: import bendtorch-gpu@1.3.0.0/main.bend as BendtorchGpu
Lines 939-941 of bendtorch-gpu@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-gpu@1.3.0.0/main.bend&start_line=939&end_line=941

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

def 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>>>>:
  match r:
    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{}}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-array@0.1.19.0/main.bend&name=Mat
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-gpu@0.1.5.1/main.bend&name=O4
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-gpu@0.1.5.1/main.bend&name=R4
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Bwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Two