cutlass/test/unit/nvrtc/kernel/thread/testbed_kernel.h

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/*! \file
    \brief Unit tests for thread-level GEMM
*/

#pragma once

#include "cutlass/array.h"

namespace test {
namespace nvrtc {
namespace kernel {
namespace thread {

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

/// Thread-level matrix multiply-accumulate
template <typename Mma>
__global__ void testbed_kernel(
  typename Mma::ElementC *D,
  typename Mma::ElementA const *A,
  typename Mma::ElementB const *B,
  typename Mma::ElementC const *C) {

  auto ptr_D = reinterpret_cast<cutlass::Array<typename Mma::ElementC, Mma::Shape::kMN> *>(D);
  auto ptr_A = reinterpret_cast<cutlass::Array<typename Mma::ElementA, Mma::Shape::kMK> const *>(A);
  auto ptr_B = reinterpret_cast<cutlass::Array<typename Mma::ElementB, Mma::Shape::kKN> const *>(B);
  auto ptr_C = reinterpret_cast<cutlass::Array<typename Mma::ElementC, Mma::Shape::kMN> const *>(C);

  Mma mma;

  auto a = *ptr_A;
  auto b = *ptr_B;
  auto c = *ptr_C;

  cutlass::Array<typename Mma::ElementC, Mma::Shape::kMN> d;

  mma(d, a, b, c);

  *ptr_D = d;
}

}
}
}
}