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Check the WarpLayout provided to TiledMMAHelper #377

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1 change: 1 addition & 0 deletions include/cute/atom/mma_atom.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -658,6 +658,7 @@ struct TiledMMAHelper{
private:
using AtomShape = typename MMA_Atom::Shape_MNK;

static_assert(size(WarpLayout{}) == cosize(WarpLayout{}), "Invalid WarpLayout: not a packed warp layout");
// Represents the canonical MMA block which would be handled by these subgroups without permutation.
// product_each(shape(...)) converts the layout into a tiler by taking only the shapes
// e.g. (8,8):(1,8) -> 64
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