wmma_tensor_op_policy.h

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#pragma once

#include "cutlass/arch/wmma.h"
#include "cutlass/matrix_shape.h"
#include "cutlass/layout/matrix.h"

#if defined(CUTLASS_ARCH_WMMA_ENABLED)


namespace cutlass {
namespace epilogue {
namespace warp {


template <
  typename WarpShape,     
  typename OperatorShape, 
  typename Layout         
>
struct WmmaTensorOpPolicy; 


template <
  typename WarpShape,           
  typename OperatorShape        
>
struct WmmaTensorOpPolicy<WarpShape, OperatorShape, layout::RowMajor> {

  using OperatorCount = MatrixShape<
    WarpShape::kM / OperatorShape::kM,
    WarpShape::kN / OperatorShape::kN
  >;

  //
  // Hard-coded constants regarding Tensor Operations
  //
  static int const kElementsPerAccess = 2;
  static int const kRowsPerIteration = OperatorShape::kM;
  static int const kWmmaFragmentsPerAccess = 1;

  //
  // Derived quantities
  //

  // Number of externally visible iterations
  static int const kIterations = OperatorCount::kRow;

};


} // namespace warp
} // namespace epilogue
} // namespace cutlass


#endif