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Commit aa0199a3 authored by Chao Liu's avatar Chao Liu
Browse files

adding implicit gemm

parent dc60d169
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Inline Side-by-side
Showing with 70 additions and 109 deletions
driver/conv.cu
View file @ aa0199a3
......@@ -8,7 +8,7 @@
#include "conv_common.cuh"
#include "device_direct_convolution_1.cuh"
#include "device_direct_convolution_2.cuh"
//#include "device_implicit_gemm_convolution.cuh"
#include "device_implicit_gemm_convolution.cuh"
//#include "device_winograd_convolution.cuh"
struct GeneratorTensor_1
......@@ -393,9 +393,9 @@ int main()
{
#if 0
device_direct_convolution_1(in_desc, in, wei_desc, wei, out_desc, out_device);
#elif 1
device_direct_convolution_2(in_desc, in, wei_desc, wei, out_desc, out_device);
#elif 0
device_direct_convolution_2(in_desc, in, wei_desc, wei, out_desc, out_device);
#elif 1
device_implicit_gemm_convolution(in_desc, in, wei_desc, wei, out_desc, out_device);
#elif 0
device_winograd_convolution(in_desc, in, wei_desc, wei, out_desc, out_device);
......
driver/device_implicit_gemm_convolution.cuh
View file @ aa0199a3
......@@ -26,53 +26,24 @@ void device_implicit_gemm_convolution(
constexpr auto out_desc = OutDesc{};
#if 1
constexpr unsigned OutTileSizeH = 2;
constexpr unsigned OutTileSizeW = 2;
constexpr unsigned NPerBlock = 2;
constexpr unsigned KPerBlock = 32;
constexpr unsigned CPerBlock = 4;
constexpr unsigned YPerBlock = 1;
constexpr unsigned XPerBlock = 16;
constexpr unsigned NPerBlock = 2;
constexpr unsigned KPerBlock = 128;
constexpr unsigned CPerBlock = 4;
constexpr unsigned HoPerBlock = 2;
constexpr unsigned WoPerBlock = 32;
constexpr unsigned NPerThread = 2;
constexpr unsigned KPerThread = 4;
constexpr unsigned CPerThread = 2;
constexpr unsigned BlockSize = 128;
#elif 0
constexpr unsigned OutTileSizeH = 2;
constexpr unsigned OutTileSizeW = 2;
constexpr unsigned NPerBlock = 2;
constexpr unsigned KPerBlock = 32;
constexpr unsigned CPerBlock = 4;
constexpr unsigned YPerBlock = 1;
constexpr unsigned XPerBlock = 27;
constexpr unsigned NPerThread = 2;
constexpr unsigned KPerThread = 4;
constexpr unsigned CPerThread = 2;
constexpr unsigned BlockSize = 216;
#elif 0
constexpr unsigned OutTileSizeH = 2;
constexpr unsigned OutTileSizeW = 2;
constexpr unsigned NPerBlock = 2;
constexpr unsigned KPerBlock = 32;
constexpr unsigned CPerBlock = 4;
constexpr unsigned YPerBlock = 1;
constexpr unsigned XPerBlock = 32;
constexpr unsigned NPerThread = 2;
constexpr unsigned KPerThread = 4;
constexpr unsigned KPerThread = 8;
constexpr unsigned CPerThread = 2;
constexpr unsigned HoPerThread = 1;
constexpr unsigned WoPerThread = 4;
constexpr unsigned BlockSize = 256;
#endif
constexpr unsigned GridSize = (out_desc.GetLength(I0) / NPerBlock) *
(out_desc.GetLength(I1) / KPerBlock) *
(out_desc.GetLength(I2) / (OutTileSizeH * YPerBlock)) *
(out_desc.GetLength(I3) / (OutTileSizeW * XPerBlock));
constexpr unsigned GridSize =
(out_desc.GetLength(I0) / NPerBlock) * (out_desc.GetLength(I1) / KPerBlock) *
(out_desc.GetLength(I2) / HoPerBlock) * (out_desc.GetLength(I3) / WoPerBlock);
dim3 block_dim(BlockSize);
dim3 grid_dim(GridSize);
......@@ -85,22 +56,21 @@ void device_implicit_gemm_convolution(
cudaEventCreate(&start);
cudaEventRecord(start, 0);
gridwise_implicit_gemm_convolution<T,
InDesc,
WeiDesc,
OutDesc,
OutTileSizeH,
OutTileSizeW,
NPerBlock,
KPerBlock,
CPerBlock,
YPerBlock,
XPerBlock,
NPerThread,
KPerThread,
CPerThread,
BlockSize,
GridSize>
gridwise_implicit_gemm_convolution_nchw_kcsr<GridSize,
BlockSize,
T,
InDesc,
WeiDesc,
OutDesc,
NPerBlock,
KPerBlock,
CPerBlock,
HoPerBlock,
WoPerBlock,
KPerThread,
CPerThread,
HoPerThread,
WoPerThread>
<<<grid_dim, block_dim>>>(InDesc{},
static_cast<T*>(in_device_buf.GetDeviceBuffer()),
WeiDesc{},
......
src/include/gridwise_implicit_gemm_convolution.cuh
View file @ aa0199a3
......@@ -35,9 +35,6 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
constexpr auto I2 = Number<2>{};
constexpr auto I3 = Number<3>{};
constexpr auto True = Constant<bool, true>;
constexpr auto False = Constant<bool, false>;
constexpr auto in_nchw_global_desc = InGlobalDesc{};
constexpr auto wei_kcsr_global_desc = WeiGlobalDesc{};
constexpr auto out_nkhw_global_desc = OutGlobalDesc{};
......@@ -48,13 +45,20 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
constexpr unsigned HiPerBlock = HoPerBlock + S - 1;
constexpr unsigned WiPerBlock = WoPerBlock + R - 1;
// block
// tensor view of blockwise input and weight in LDS
constexpr auto in_chwn_block_desc =
make_ConstantTensorDescriptor(Sequence<CPerBlock, HiPerBlock, WiPerBlock, NPerBlock>{});
constexpr auto wei_srck_block_desc =
make_ConstantTensorDescriptor(Sequence<S, R, CPerBlock, KPerBlock>{});
// matrix view of blockwise input and weight in LDS
constexpr auto in_cxhwn_block_mtx_desc = make_ConstantMatrixDescriptor(
Number<CPerBlock>, Number<HiPerBlock * WiPerBlock * NPerBlock>);
constexpr auto wei_srcxk_block_mtx_desc =
make_ConstantMatrixDescriptor(Number<S * R * CPerBlock>, Number<KPerBlock>);
// LDS
constexpr unsigned in_block_size = in_chwn_block_desc.GetElementSpace();
constexpr unsigned wei_block_size = wei_srck_block_desc.GetElementSpace();
......@@ -62,8 +66,38 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
__shared__ Float p_in_block[in_block_size];
__shared__ Float p_wei_block[wei_block_size];
// thread
constexpr auto out_hkwn_thread_desc = xxxxxx();
// a series of batched GEMM
// blockwise batched GEMM, C_matrix += transpose(A_matrix) * B_matrix
// A_matrix and B_matrix saved in LDS, c_matrix saved in register
// A_matrix[C,K] is a sub-matrix of wei_matrix[S*R*C,K]
// B_matrix[C,Wo*N] is a sub-matrix of in_matrix[C,Hi*Wi*N]
// C_matrix[K,Wo*N] is a sub-matrix of out_matrix[Ho*K,Wo*N]
constexpr auto a_block_mtx_desc =
wei_srcxk_block_mtx_desc.MakeSubMatrixDescriptor(Number<CPerBlock>{}, Number<KPerBlock>{});
constexpr auto b_block_mtx_desc = in_cxhwn_block_mtx_desc.MakeSubMatrixDescriptor(
Number<CPerBlock>{}, Number<WoPerBlock * NPerBlock>{});
auto f_accum = (auto& c, auto& v) { c += v; };
const auto blockwise_batch_gemm =
blockwise_1d_strided_batched_gemm_block_a_block_b_thread_c<BlockSize,
a_block_mtx_desc,
b_block_mtx_desc,
true,
false,
HoPerBlock,
0,
xxx_b_matrix_stride,
HoPerThread,
KPerThread,
NPerThread * WoPerThread,
CPerTrhead,
decltype(f_accum)>{};
// tensor view of threadwise output in register
constexpr auto out_hkwn_thread_desc =
make_ConstantTensorDescriptor(Sequence<HoPerThread, KPerThread, WoPerThread, NPerThread>{});
// register
Float p_out_thread[out_hkwn_thread_desc.GetElementSpace()];
......@@ -85,14 +119,6 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
in_chwn_block_desc,
reorder_nchw2chwn);
// matrix view of input
constexpr unsigned in_row = in_chwn_block_desc.GetLength(I0);
constexpr unsigned in_col = in_chwn_block_desc.GetLength(I1) *
in_chwn_block_desc.GetLength(I2) *
in_chwn_block_desc.GetLength(I3);
constexpr auto in_cxhwn_block_mtx_desc =
make_ConstantMatrixDescriptor(Number<in_row>, Number<in_col>, Number<in_col>);
// weight: global mem to LDS,
// convert 4d-tensor wei[K,C,S,R] to matrix wei_matrix[S*R*C,K]
constexpr auto reorder_kcsr2srck = Sequence<3, 2, 0, 1>{};
......@@ -104,44 +130,8 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
wei_csrk_block_desc,
reorder_kcsr2csrk);
// matrix view of wei
constexpr unsigned wei_row = wei_srck_block_desc.GetLength(I0) *
wei_srck_block_desc.GetLength(I1) *
wei_srck_block_desc.GetLength(I2);
constexpr unsigned wei_col = wei_srck_block_desc.GetLength(I3);
constexpr auto wei_srcxk_block_mtx_desc =
make_ConstantMatrixDescriptor(Number<wei_row>, Number<wei_col>, Number<wei_col>);
__syncthreads();
// a series of batched GEMM
// blockwise batched GEMM, C_matrix += transpose(A_matrix) * B_matrix
// A_matrix and B_matrix saved in LDS, c_matrix saved in register
// A_matrix[C,K] is a sub-matrix of wei_matrix[S*R*C,K]
// B_matrix[C,Wo*N] is a sub-matrix of in_matrix[C,Hi*Wi*N]
// C_matrix[K,Wo*N] is a sub-matrix of out_matrix[Ho*K,Wo*N]
constexpr auto a_block_mtx_desc = wei_srcxk_block_mtx_desc.MakeSubMatrixDescriptor(
Number<CPerBlock>{}, Number<KPerBlock>{});
constexpr auto b_block_mtx_desc = in_cxhwn_block_mtx_desc.MakeSubMatrixDescriptor(
Number<CPerBlock>{}, Number<WoPerBlock * NPerBlock>{});
auto f_accum = (auto& c, auto& v) { c += v; };
const auto blockwise_batch_gemm =
blockwise_1d_strided_batched_gemm_block_a_block_b_thread_c<BlockSize,
a_block_mtx_desc,
b_block_mtx_desc,
true,
false,
HoPerBlock,
0,
xxx_b_matrix_stride,
HoPerThread,
KPerThread,
NPerThread * WoPerThread,
CPerTrhead,
decltype(f_accum)>{};
// loop over filter point
for(unsigned s = 0; s < S; ++s)
{
......@@ -165,6 +155,7 @@ __global__ void gridwise_implicit_gemm_convolution_nchw_kcsr(InGlobalDesc,
// output: register to global mem,
// convert matrix out_matrix[Ho*K,Wo*N] to 4d-tensor out[N,K,Ho,Wo]
constexpr auto reorder_hkwn2nkhw = Sequence<2, 1, 3, 0>{};
threadwise_4d_tensor_copy_reorder(
out_hkwn_thread_desc,
p_out_thread,
......
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