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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 "multistage_testbed_interleaved.h"

#if defined(CUTLASS_ARCH_MMA_SM80_SUPPORTED)

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

TEST(SM80_Device_Gemm_s4n_s4t_s4n_tensor_op_s32, 64x128x128_32x64x128) {

  using ElementOutput = cutlass::int4b_t;
  using ElementAccumulator = int32_t;
  using ElementCompute = float;

  using Gemm = cutlass::gemm::device::Gemm<
    cutlass::int4b_t,
    cutlass::layout::ColumnMajorInterleaved<64>,
    cutlass::int4b_t,
    cutlass::layout::RowMajorInterleaved<64>,
    ElementOutput,
    cutlass::layout::ColumnMajorInterleaved<64>,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<64, 128, 128>,
    cutlass::gemm::GemmShape<32, 64, 128>,
    cutlass::gemm::GemmShape<16, 8, 64>,
    cutlass::epilogue::thread::LinearCombinationClamp<
      ElementOutput,
      64 / cutlass::sizeof_bits<ElementOutput>::value,
      ElementAccumulator,
      ElementCompute
    >,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,
    4,
    32,
    32,
    false,
    cutlass::arch::OpMultiplyAddSaturate
  >;

  test::gemm::device::MultistageInterleavedTestbed<Gemm, 64> testbed;

  EXPECT_TRUE(testbed.run_all());
}

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

TEST(SM80_Device_Gemm_s4n_s4t_s4n_tensor_op_s32, 128x128x128_64x64x128) {

  using ElementOutput = cutlass::int4b_t;
  using ElementAccumulator = int32_t;
  using ElementCompute = float;

  using Gemm = cutlass::gemm::device::Gemm<
    cutlass::int4b_t,
    cutlass::layout::ColumnMajorInterleaved<64>,
    cutlass::int4b_t,
    cutlass::layout::RowMajorInterleaved<64>,
    ElementOutput,
    cutlass::layout::ColumnMajorInterleaved<64>,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 128, 128>,
    cutlass::gemm::GemmShape<64, 64, 128>,
    cutlass::gemm::GemmShape<16, 8, 64>,
    cutlass::epilogue::thread::LinearCombinationClamp<
      ElementOutput,
      64 / cutlass::sizeof_bits<ElementOutput>::value,
      ElementAccumulator,
      ElementCompute
    >,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,
    3,
    32,
    32,
    false,
    cutlass::arch::OpMultiplyAddSaturate
  >;

  test::gemm::device::MultistageInterleavedTestbed<Gemm, 64> testbed;

  EXPECT_TRUE(testbed.run_all());
}

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

TEST(SM80_Device_Gemm_s4n_s4t_s4n_tensor_op_s32, 256x128x128_64x64x128) {

  using ElementOutput = cutlass::int4b_t;
  using ElementAccumulator = int32_t;
  using ElementCompute = float;

  using Gemm = cutlass::gemm::device::Gemm<
    cutlass::int4b_t,
    cutlass::layout::ColumnMajorInterleaved<64>,
    cutlass::int4b_t,
    cutlass::layout::RowMajorInterleaved<64>,
    ElementOutput,
    cutlass::layout::ColumnMajorInterleaved<64>,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<256, 128, 128>,
    cutlass::gemm::GemmShape<64, 64, 128>,
    cutlass::gemm::GemmShape<16, 8, 64>,
    cutlass::epilogue::thread::LinearCombinationClamp<
      ElementOutput,
      64 / cutlass::sizeof_bits<ElementOutput>::value,
      ElementAccumulator,
      ElementCompute
    >,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,
    3,
    32,
    32,
    false,
    cutlass::arch::OpMultiplyAddSaturate
  >;

  test::gemm::device::MultistageInterleavedTestbed<Gemm, 64> testbed;

  EXPECT_TRUE(testbed.run_all());
}

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

TEST(SM80_Device_Gemm_s4n_s4t_s4n_tensor_op_s32, 128x256x128_64x64x128) {

  using ElementOutput = cutlass::int4b_t;
  using ElementAccumulator = int32_t;
  using ElementCompute = float;

  using Gemm = cutlass::gemm::device::Gemm<
    cutlass::int4b_t,
    cutlass::layout::ColumnMajorInterleaved<64>,
    cutlass::int4b_t,
    cutlass::layout::RowMajorInterleaved<64>,
    ElementOutput,
    cutlass::layout::ColumnMajorInterleaved<64>,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<128, 256, 128>,
    cutlass::gemm::GemmShape<64, 64, 128>,
    cutlass::gemm::GemmShape<16, 8, 64>,
    cutlass::epilogue::thread::LinearCombinationClamp<
      ElementOutput,
      64 / cutlass::sizeof_bits<ElementOutput>::value,
      ElementAccumulator,
      ElementCompute
    >,
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,
    3,
    32,
    32,
    false,
    cutlass::arch::OpMultiplyAddSaturate
  >;

  test::gemm::device::MultistageInterleavedTestbed<Gemm, 64> testbed;

  EXPECT_TRUE(testbed.run_all());
}

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

#endif  // #if defined(CUTLASS_ARCH_MMA_SM80_SUPPORTED)
