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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.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.h"
    
#if defined(CUTLASS_ARCH_MMA_SM80_SUPPORTED)
////////////////////////////////////////////////////////////////////////////////

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 32x64x8_32x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<32, 64, 8>,
    cutlass::gemm::GemmShape<32, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    4
  >;

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

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 64x64x8_32x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<64, 64, 8>,
    cutlass::gemm::GemmShape<32, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 128x128x8_32x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 128, 8>,
    cutlass::gemm::GemmShape<32, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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

TEST(SM80_Device_Gemm_f32an_f32at_f32at_simt_f32, 128x128x8_32x64x1) {
  
  using Element = float;
  using LayoutA = cutlass::layout::AffineRank2ColumnMajor;
  using LayoutB = cutlass::layout::AffineRank2RowMajor;
  using LayoutC = cutlass::layout::AffineRankN<2>;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    LayoutA,
    Element, 
    LayoutB,
    Element,
    LayoutC, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 128, 8>,
    cutlass::gemm::GemmShape<32, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

  typename LayoutA::Stride::Index stride_factor_A[] = {3, 4};
  typename LayoutB::Stride::Index stride_factor_B[] = {5, 6};
  typename LayoutC::Stride::Index stride_factor_C[] = {7, 8};

  EXPECT_TRUE(test::gemm::device::TestAllGemm<Gemm>(stride_factor_A, stride_factor_B, stride_factor_C ));

}

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 64x128x8_32x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<64, 128, 8>,
    cutlass::gemm::GemmShape<32, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 128x64x8_32x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 64, 8>,
    cutlass::gemm::GemmShape<64, 32, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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


TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 128x128x8_64x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 128, 8>,
    cutlass::gemm::GemmShape<64, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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

TEST(SM80_Device_Gemm_f32n_f32t_f32t_simt_f32, 128x256x8_64x64x1) {
  
  using Element = float;

  using Gemm = cutlass::gemm::device::Gemm<
    Element, 
    cutlass::layout::ColumnMajor,
    Element, 
    cutlass::layout::RowMajor,
    Element,
    cutlass::layout::RowMajor, 
    Element,
    cutlass::arch::OpClassSimt, 
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 256, 8>,
    cutlass::gemm::GemmShape<64, 64, 8>, 
    cutlass::gemm::GemmShape<1, 1, 1>,
    cutlass::epilogue::thread::LinearCombination<
        Element, 
        1,
        Element, 
        Element>,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>, 
    3
  >;

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

/////////////////////////////////////////////////////////////////////////////////////////////////
#endif // #if defined(CUTLASS_ARCH_MMA_SM80_SUPPORTED)

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