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conv_common.hpp
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1 // SPDX-License-Identifier: MIT
2 // Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
3 
4 #pragma once
5 
6 #include "ck/tensor_description/tensor_descriptor.hpp"
7 
8 template <typename... InDesc,
9  typename... WeiDesc,
10  typename ConvStrides,
11  typename ConvDilations,
12  typename LeftPads,
13  typename RightPads>
14 constexpr auto get_convolution_output_default_4d_tensor_descriptor(
15  const ck::TensorDescriptor<InDesc...>& in_desc,
16  const ck::TensorDescriptor<WeiDesc...>& wei_desc,
17  const ConvStrides& conv_strides,
18  const ConvDilations conv_dilations,
19  const LeftPads& left_pads,
20  const RightPads& right_pads)
21 {
22  using namespace ck;
23 
24  constexpr auto I0 = Number<0>{};
25  constexpr auto I1 = Number<1>{};
26  constexpr auto I2 = Number<2>{};
27  constexpr auto I3 = Number<3>{};
28 
29  assert(in_desc.GetNumOfDimension() == 4);
30  assert(wei_desc.GetNumOfDimension() == 4);
31  assert(in_desc.GetLength(I1) == wei_desc.GetLength(I1));
32 
33  const auto N = in_desc.GetLength(I0);
34  const auto Hi = in_desc.GetLength(I2);
35  const auto Wi = in_desc.GetLength(I3);
36 
37  const auto K = wei_desc.GetLength(I0);
38  const auto Y = wei_desc.GetLength(I2);
39  const auto X = wei_desc.GetLength(I3);
40 
41  const auto LeftPadH = left_pads[I0];
42  const auto LeftPadW = left_pads[I1];
43 
44  const auto RightPadH = right_pads[I0];
45  const auto RightPadW = right_pads[I1];
46 
47  const auto YEff = (Y - I1) * conv_dilations[I0] + I1;
48  const auto XEff = (X - I1) * conv_dilations[I1] + I1;
49 
50  const auto Ho = (Hi + LeftPadH + RightPadH - YEff) / conv_strides[I0] + I1;
51  const auto Wo = (Wi + LeftPadW + RightPadW - XEff) / conv_strides[I1] + I1;
52 
53  return make_naive_tensor_descriptor_packed(make_tuple(N, K, Ho, Wo));
54 }
55 
56 template <class InDesc, class WeiDesc, class OutDesc>
57 constexpr std::size_t
58 calculate_convolution_flops(const InDesc&, const WeiDesc& wei_desc, const OutDesc& out_desc)
59 {
60  using namespace ck;
61 
62  constexpr auto I0 = Number<0>{};
63  constexpr auto I1 = Number<1>{};
64  constexpr auto I2 = Number<2>{};
65  constexpr auto I3 = Number<3>{};
66 
67  const index_t N = out_desc.GetLength(I0);
68  const index_t K = out_desc.GetLength(I1);
69  const index_t Ho = out_desc.GetLength(I2);
70  const index_t Wo = out_desc.GetLength(I3);
71 
72  const index_t C = wei_desc.GetLength(I1);
73  const index_t Y = wei_desc.GetLength(I2);
74  const index_t X = wei_desc.GetLength(I3);
75 
76  return std::size_t(2) * N * K * Ho * Wo * C * Y * X;
77 }
get_convolution_output_default_4d_tensor_descriptor
constexpr auto get_convolution_output_default_4d_tensor_descriptor(const ck::TensorDescriptor< InDesc... > &in_desc, const ck::TensorDescriptor< WeiDesc... > &wei_desc, const ConvStrides &conv_strides, const ConvDilations conv_dilations, const LeftPads &left_pads, const RightPads &right_pads)
Definition: conv_common.hpp:14
calculate_convolution_flops
constexpr std::size_t calculate_convolution_flops(const InDesc &, const WeiDesc &wei_desc, const OutDesc &out_desc)
Definition: conv_common.hpp:58
ck
Definition: ck.hpp:267
ck::make_naive_tensor_descriptor_packed
__host__ constexpr __device__ auto make_naive_tensor_descriptor_packed(const Tuple< Lengths... > &lengths)
Definition: tensor_descriptor_helper.hpp:101
ck::make_tuple
__host__ constexpr __device__ auto make_tuple(Xs &&... xs)
Definition: tuple.hpp:211
ck::index_t
int32_t index_t
Definition: ck.hpp:298
ck::TensorDescriptor
Definition: tensor_descriptor.hpp:28
ck::TensorDescriptor::GetNumOfDimension
__host__ static constexpr __device__ index_t GetNumOfDimension()
Definition: tensor_descriptor.hpp:141
ck::TensorDescriptor::GetLength
__host__ constexpr __device__ auto GetLength(Number< IDim >) const
Definition: tensor_descriptor.hpp:147
ck::integral_constant
Definition: integral_constant.hpp:20
tensor_descriptor.hpp