def ab2_f

bendtorch-gpu@1.3.0.0 · main.bend:1133

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

1133# backward 2's bang: the softmax over all t, then G, in place
1134def ab2_f(+n: Nat, +w: Nat, +kvw: Nat, +b: Nat, +t: Nat, +kv: Nat, +g: Nat, +hd: Nat, +sc: F32, k: Array<F32>, v: Array<F32>, dq: Array<F32>, r: TG.R2) -> T.Bwd<Unit, T.Two<TA.Mat<n, w>, T.Two<TA.Mat<n, kvw>, TA.Mat<n, kvw>>>>:
1135  match r:
1136    case TG.R2{q, kt, vt, d, TG.O2{p, gb}}: ab3_f(n, w, kvw, b, t, kv, g, hd, sc, q, k, v, d, dq, kt, TG.run2(~EAC, ~lf_gr_f, TG.depth(prows(b, t, kv, g)), eacf(prows(b, t, kv, g), n, w, kvw, t, kv, g, hd, sc), nn(Unit{}), nn(Unit{}), nn(Unit{}), nn(Unit{}), p, gb))