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

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

#include "cutlass/conv/kernel/default_conv2d_dgrad.h"
#include "cutlass/conv/device/implicit_gemm_convolution.h"

#include "conv2d_testbed.h"

#if defined(CUTLASS_ARCH_MMA_SM80_SUPPORTED)

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

TEST(SM80_Device_Conv2d_Strided_Dgrad_Optimized_ImplicitGemm_tf32nhwc_tf32nhwc_f32nhwc_tensor_op_f32_align4,
  64x64_32x5_32x32x32) {

  /// Conv operation element types for the Gemm equivalent (ImplicitGemm)
  using ElementA           = cutlass::tfloat32_t;
  using ElementB           = cutlass::tfloat32_t;
  using ElementC           = float;
  using ElementAccumulator = float;
  using ElementCompute     = float;

  /// Device-level Conv2d instance
  using Conv2dDgradKernel = typename cutlass::conv::kernel::DefaultConv2dDgrad<
    ElementA, cutlass::layout::TensorNHWC,
    ElementB, cutlass::layout::TensorNHWC,
    ElementC, cutlass::layout::TensorNHWC,
    ElementAccumulator,
    cutlass::arch::OpClassTensorOp,
    cutlass::arch::Sm80,
    cutlass::gemm::GemmShape<64, 64, 32>,
    cutlass::gemm::GemmShape<32, 32, 32>,
    cutlass::gemm::GemmShape<16, 8, 8>,
    cutlass::epilogue::thread::LinearCombination<
      ElementC,
      4,
      ElementAccumulator,
      ElementCompute
    >,
    cutlass::conv::threadblock::StridedDgradIdentityThreadblockSwizzle<>,
    5,
    cutlass::arch::OpMultiplyAdd,
    cutlass::conv::IteratorAlgorithm::kAnalytic,
    cutlass::conv::StrideSupport::kStrided,
    4,
    4
  >::Kernel;

  using Conv2dDgrad = cutlass::conv::device::ImplicitGemmConvolution<Conv2dDgradKernel>;


  test::conv::device::Conv2dProblemVector problem_size_list;

  // run specific problem size in the unit test first
  problem_size_list.push_back(cutlass::conv::Conv2dProblemSize(
    {1, 1, 1, 16},   // input size (NHWC)
    {8, 3, 3, 16},     // filter size (KRSC)
    {1, 1, 1, 1},     // padding (pad_h, _, pad_w, _)
    {2, 1},           // stride (stride_h, stride_w)
    {1, 1}            // dilation (dilation_h, dilation_w)
  ));

  // run specific problem size in the unit test first
  problem_size_list.push_back(cutlass::conv::Conv2dProblemSize(
    {1, 1, 1, 16},   // input size (NHWC)
    {8, 3, 3, 16},     // filter size (KRSC)
    {1, 1, 1, 1},     // padding (pad_h, _, pad_w, _)
    {3, 3},           // stride (stride_h, stride_w)
    {1, 1}            // dilation (dilation_h, dilation_w)
  ));

  /// Run all unit test sizes with device-level Conv2d instance
  EXPECT_TRUE(test::conv::device::TestAllConv2d<Conv2dDgrad>(problem_size_list));
}

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

#endif  // CUTLASS_ARCH_MMA_SM80_SUPPORTED
