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/*! \file
    \brief Tests for device-wide GEMM interface
    
*/

#include <iostream>

#include "../../common/cutlass_unit_test.h"
#include "cutlass/cutlass.h"

#include "cutlass/gemm/device/gemm_universal.h"

#include "cutlass/util/host_tensor.h"
#include "cutlass/util/reference/host/gemm.h"
#include "cutlass/util/reference/host/tensor_compare.h"
#include "cutlass/util/reference/host/tensor_copy.h"
#include "cutlass/util/reference/host/tensor_fill.h"
#include "cutlass/util/tensor_view_io.h"

#include "testbed_universal.h"

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

#if defined(CUTLASS_ARCH_MMA_SM75_SUPPORTED)

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

TEST(SM75_Device_GemmUniversal_f16n_f16t_f32n_tensor_op_f32, 64x64x32_32x32x32) {

  using ElementOutput = float;
  using ElementAccumulator = float;

  using Gemm = cutlass::gemm::device::GemmUniversal<
      cutlass::half_t, 
      cutlass::layout::ColumnMajor, 
      cutlass::half_t,
      cutlass::layout::RowMajor, 
      ElementOutput, cutlass::layout::ColumnMajor,
      ElementAccumulator, cutlass::arch::OpClassTensorOp, cutlass::arch::Sm75,
      cutlass::gemm::GemmShape<64, 64, 32>,
      cutlass::gemm::GemmShape<32, 32, 32>, 
      cutlass::gemm::GemmShape<16, 8, 8>,
      cutlass::epilogue::thread::LinearCombination<
          ElementOutput, 128 / cutlass::sizeof_bits<ElementOutput>::value,
          ElementAccumulator, ElementAccumulator>,
      cutlass::gemm::threadblock::GemmBatchedIdentityThreadblockSwizzle, 
      2>;

  EXPECT_TRUE(test::gemm::device::TestAllGemmUniversal<Gemm>());
}


TEST(SM75_Device_GemmUniversal_f16n_f16t_f32n_tensor_op_f32, 64x64x32_32x32x32_updated_batch_count) {

  using ElementOutput = float;
  using ElementAccumulator = float;

  using Gemm = cutlass::gemm::device::GemmUniversal<
      cutlass::half_t, 
      cutlass::layout::ColumnMajor, 
      cutlass::half_t,
      cutlass::layout::RowMajor, 
      ElementOutput, cutlass::layout::ColumnMajor,
      ElementAccumulator, cutlass::arch::OpClassTensorOp, cutlass::arch::Sm75,
      cutlass::gemm::GemmShape<64, 64, 32>,
      cutlass::gemm::GemmShape<32, 32, 32>, 
      cutlass::gemm::GemmShape<16, 8, 8>,
      cutlass::epilogue::thread::LinearCombination<
          ElementOutput, 128 / cutlass::sizeof_bits<ElementOutput>::value,
          ElementAccumulator, ElementAccumulator>,
      cutlass::gemm::threadblock::GemmBatchedIdentityThreadblockSwizzle, 
      2,
      1,
      1>;

  EXPECT_TRUE(test::gemm::device::TestGemmUniversal<Gemm>(
    {128, 128, 2}, 
    cutlass::gemm::GemmUniversalMode::kGemm, 
    15));
}

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

#endif // #if defined(CUTLASS_ARCH_MMA_SM75_SUPPORTED)

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

