proc gebb_ukernel[T; ukernel: static MicroKernel](kc: int; alpha: T;
    packedA, packedB: ptr UncheckedArray[T]; beta: T; vC: MatrixView[T]) {.
    inline.}

proc gebb_ukernel_edge[T; ukernel: static MicroKernel](mr, nr, kc: int;
    alpha: T; packedA, packedB: ptr UncheckedArray[T]; beta: T;
    vC: MatrixView[T]) {.inline.}