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

#include <iostream>

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

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

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

#include "testbed.h"

#if defined(CUTLASS_ARCH_MMA_SM75_SUPPORTED)

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

TEST(SM75_Device_GemmSplitKSerial_f16n_f16n_f16t_tensor_op_f32, 128x256x32_64x64x32) {

  using ElementA = cutlass::half_t;
  using ElementB = cutlass::half_t;
  using ElementOutput = cutlass::half_t;
  using ElementAccumulator = float;

  static const int kStages = 2;

  static const int kAlignmentA = cutlass::gemm::device::DefaultGemmConfiguration<
                                            cutlass::arch::OpClassTensorOp, 
                                            cutlass::arch::Sm75, 
                                            ElementA, 
                                            ElementB,
                                            ElementOutput, 
                                            ElementAccumulator>::kAlignmentA;
  
  static const int kAlignmentB = cutlass::gemm::device::DefaultGemmConfiguration<
                                            cutlass::arch::OpClassTensorOp, 
                                            cutlass::arch::Sm75, 
                                            ElementA, 
                                            ElementB,
                                            ElementOutput, 
                                            ElementAccumulator>::kAlignmentB;

  static const bool kSplitKSerial = true;

  using Gemm = cutlass::gemm::device::Gemm<
    ElementA,
    cutlass::layout::ColumnMajor,
    ElementB,
    cutlass::layout::ColumnMajor,
    ElementOutput,
    cutlass::layout::RowMajor,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm75,
    cutlass::gemm::GemmShape<128, 256, 32>,
    cutlass::gemm::GemmShape<64, 64, 32>,
    cutlass::gemm::GemmShape<16, 8, 8>,
    cutlass::epilogue::thread::LinearCombinationRelu<
      ElementOutput,
      128 / cutlass::sizeof_bits<ElementOutput>::value,
      ElementAccumulator,
      ElementAccumulator
    >,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,
    kStages,
    kAlignmentA,
    kAlignmentB,
    kSplitKSerial
  >;

  bool result = test::gemm::device::TestAllGemm<Gemm, true>();
  EXPECT_TRUE(result);
}

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

#endif
