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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"

#define N cutlass::layout::ColumnMajor
#define T cutlass::layout::RowMajor

#define RUN_GEMM(X, Y)                     \
  using ElementOutput = int8_t;            \
  using ElementAccumulator = int32_t;      \
  using ElementCompute = float;            \
  using InstructionShape = cutlass::gemm::GemmShape<1, 1, 4>;         \
  using Gemm = cutlass::gemm::device::Gemm<                           \
    int8_t,                                                           \
    X,                                                                \
    int8_t,                                                           \
    Y,                                                                \
    ElementOutput,                                                    \
    cutlass::layout::RowMajor,                                        \
    int32_t,                                                          \
    cutlass::arch::OpClassSimt,                                       \
    cutlass::arch::Sm61,                                              \
    ThreadBlockShape,                                                 \
    WarpShape,                                                        \
    InstructionShape,                                                 \
    cutlass::epilogue::thread::LinearCombinationClamp<                \
      ElementOutput,                                                  \
      1,                                                              \
      ElementAccumulator,                                             \
      ElementCompute                                                  \
    >,                                                                \
    cutlass::gemm::threadblock::GemmIdentityThreadblockSwizzle<>,       \
    2                                                                 \
  >;                                                                  \
  EXPECT_TRUE(test::gemm::device::TestAllGemm<Gemm>());

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

TEST(SM61_Device_Gemm_s8n_s8t_simt_op_dp4a, 64x64x16_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<64, 64, 16>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 16>;
  RUN_GEMM(N, T)
}

TEST(SM61_Device_Gemm_s8n_s8t_simt_op_dp4a, 256x128x64_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 128, 64>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 64>;
  RUN_GEMM(N, T)
}

TEST(SM61_Device_Gemm_s8n_s8t_simt_op_dp4a, 256x256x16_128x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 256, 16>;
  using WarpShape = cutlass::gemm::GemmShape<128, 64, 16>;
  RUN_GEMM(N, T)
}

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

TEST(SM61_Device_Gemm_s8t_s8n_simt_op_dp4a, 64x64x16_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<64, 64, 16>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 16>;
  RUN_GEMM(T, N)
}

TEST(SM61_Device_Gemm_s8t_s8n_simt_op_dp4a, 256x128x64_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 128, 64>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 64>;
  RUN_GEMM(T, N)
}

TEST(SM61_Device_Gemm_s8t_s8n_simt_op_dp4a, 256x256x16_128x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 256, 16>;
  using WarpShape = cutlass::gemm::GemmShape<128, 64, 16>;
  RUN_GEMM(T, N)
}

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

TEST(SM61_Device_Gemm_s8n_s8n_simt_op_dp4a, 64x64x16_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<64, 64, 16>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 16>;
  RUN_GEMM(N, N)
}

TEST(SM61_Device_Gemm_s8n_s8n_simt_op_dp4a, 256x128x64_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 128, 64>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 64>;
  RUN_GEMM(N, N)
}

TEST(SM61_Device_Gemm_s8n_s8n_simt_op_dp4a, 256x256x16_128x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 256, 16>;
  using WarpShape = cutlass::gemm::GemmShape<128, 64, 16>;
  RUN_GEMM(N, N)
}

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

TEST(SM61_Device_Gemm_s8t_s8t_simt_op_dp4a, 64x64x16_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<64, 64, 16>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 16>;
  RUN_GEMM(T, T)
}

TEST(SM61_Device_Gemm_s8t_s8t_simt_op_dp4a, 256x128x64_64x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 128, 64>;
  using WarpShape = cutlass::gemm::GemmShape<64, 64, 64>;
  RUN_GEMM(T, T)
}

TEST(SM61_Device_Gemm_s8t_s8t_simt_op_dp4a, 256x256x16_128x64x4) {
  using ThreadBlockShape = cutlass::gemm::GemmShape<256, 256, 16>;
  using WarpShape = cutlass::gemm::GemmShape<128, 64, 16>;
  RUN_GEMM(T, T)
}