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#pragma once

#include <cute/numeric/integral_constant.hpp>
#include <cutlass/detail/dependent_false.hpp>

namespace cutlass::gemm::collective {

/////////////////////////////////////////////////////////////////////////////////////////////////

// Used to specify stage counts or dispatch to automatic computation of stage count
template<int num_stages>
struct StageCount {
  static constexpr int value = num_stages;

  StageCount() = default;
  explicit StageCount(cute::Int<num_stages>) {}
};

template<int carveout_bytes>
struct StageCountAutoCarveout {
  static constexpr int bytes = carveout_bytes;

  StageCountAutoCarveout() = default;
  explicit StageCountAutoCarveout(cute::Int<carveout_bytes>) {}
};

using StageCountAuto = StageCountAutoCarveout<0>;

// Used to automatically let the builder pick the kernel schedule.
// Can be overridden with kernel schedule tags in cutlass/gemm/dispatch_policy.hpp
struct KernelScheduleAuto final {};

/////////////////////////////////////////////////////////////////////////////////////////////////

template <
  class ArchTag,
  class OpClass,
  class ElementA,
  class GmemLayoutA,
  int AlignmentA,
  class ElementB,
  class GmemLayoutB,
  int AlignmentB,
  class ElementAccumulator,
  class TileShape_MNK,
  class ClusterShape_MNK,
  class StageCountType,
  class KernelScheduleType,
  class Enable = void
>
struct CollectiveBuilder {
  static_assert(sizeof(ElementA) == 0, "Could not build a collective for given parameters.");
};

/////////////////////////////////////////////////////////////////////////////////////////////////

} // namespace cutlass::gemm::collective

