Files
composable_kernel/src/include/conv_common.cuh
Chao Liu aa885b185d adding implicit gemm
[ROCm/composable_kernel commit: 84d9802d30]
2019-01-15 00:11:30 -06:00

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#pragma once
#include "ConstantTensorDescriptor.cuh"
// this is ugly, only for 4d
template <class InDesc, class WeiDesc>
__host__ __device__ constexpr auto get_convolution_output_default_4d_tensor_descriptor(InDesc,
WeiDesc)
{
constexpr auto in_desc = InDesc{};
constexpr auto wei_desc = WeiDesc{};
constexpr auto I0 = Number<0>{};
constexpr auto I1 = Number<1>{};
constexpr auto I2 = Number<2>{};
constexpr auto I3 = Number<3>{};
static_assert(in_desc.GetDimension() == 4, "input nDim is not 4");
static_assert(wei_desc.GetDimension() == 4, "weight nDim is not 4");
static_assert(in_desc.GetLength(I1) == wei_desc.GetLength(I1),
"input & weight dimension not consistent");
constexpr auto N = in_desc.GetLength(I0);
constexpr auto HI = in_desc.GetLength(I2);
constexpr auto WI = in_desc.GetLength(I3);
constexpr auto K = wei_desc.GetLength(I0);
constexpr auto S = wei_desc.GetLength(I2);
constexpr auto R = wei_desc.GetLength(I3);
constexpr auto HO = HI - S + 1;
constexpr auto WO = WI - R + 1;
return make_ConstantTensorDescriptor(Sequence<N, K, HO, WO>{});
}