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Commit dd0255ba authored by rocking's avatar rocking
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Add gridwise gemm + welford

parent e9f656fa
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include/ck/tensor_operation/gpu/device/device_gemm_multiple_d_layernorm_xdl_cshuffle.hpp
View file @ dd0255ba
......@@ -12,10 +12,96 @@
#include "ck/tensor_operation/gpu/device/tensor_layout.hpp"
#include "ck/tensor_operation/gpu/device/gemm_specialization.hpp"
#include "ck/tensor_operation/gpu/device/matrix_padder.hpp"
#include "ck/tensor_operation/gpu/grid/gridwise_gemm_multiple_d_welford_xdl_cshuffle.hpp"
#include "ck/host_utility/device_prop.hpp"
#include "ck/host_utility/kernel_launch.hpp"
#include "device_base.hpp"
namespace ck {
template <typename GridwiseGemm,
typename ABDataType,
typename DsPointer,
typename EDataType,
typename FDataType,
typename GDataType,
typename AElementwiseOperation,
typename BElementwiseOperation,
typename CDEElementwiseOperation,
typename AGridDesc_AK0_M_AK1,
typename BGridDesc_BK0_N_BK1,
typename DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
typename EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
typename FGridDescriptor_MBlock_MPerBlock_NBlock,
typename GGridDescriptor_MBlock_MPerBlock_NBlock,
typename Block2ETileMap,
bool HasMainKBlockLoop>
__global__ void
#if CK_USE_LAUNCH_BOUNDS
__launch_bounds__(CK_MAX_THREAD_PER_BLOCK, CK_MIN_BLOCK_PER_CU)
#endif
kernel_gemm_multiple_d_welford_xdl_cshuffle(
const ABDataType* __restrict__ p_a_grid,
const ABDataType* __restrict__ p_b_grid,
DsPointer p_ds_grid,
EDataType* __restrict__ p_e_grid,
FDataType* __restrict__ p_f_grid,
GDataType* __restrict__ p_g_grid,
const AElementwiseOperation a_element_op,
const BElementwiseOperation b_element_op,
const CDEElementwiseOperation cde_element_op,
const AGridDesc_AK0_M_AK1 a_grid_desc_ak0_m_ak1,
const BGridDesc_BK0_N_BK1 b_grid_desc_bk0_n_bk1,
const DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
ds_grid_desc_mblock_mperblock_nblock_nperblock,
const EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
e_grid_desc_mblock_mperblock_nblock_nperblock,
const FGridDescriptor_MBlock_MPerBlock_NBlock f_grid_desc_mblock_mperblock_nblock,
const GGridDescriptor_MBlock_MPerBlock_NBlock g_grid_desc_mblock_mperblock_nblock,
const Block2ETileMap block_2_etile_map)
{
#if(!defined(__HIP_DEVICE_COMPILE__) || defined(__gfx908__) || defined(__gfx90a__))
__shared__ char p_shared[GridwiseGemm::GetSharedMemoryNumberOfByte()];
GridwiseGemm::template Run<HasMainKBlockLoop>(p_a_grid,
p_b_grid,
p_ds_grid,
p_e_grid,
p_f_grid,
p_g_grid,
p_shared,
a_element_op,
b_element_op,
cde_element_op,
a_grid_desc_ak0_m_ak1,
b_grid_desc_bk0_n_bk1,
ds_grid_desc_mblock_mperblock_nblock_nperblock,
e_grid_desc_mblock_mperblock_nblock_nperblock,
f_grid_desc_mblock_mperblock_nblock,
g_grid_desc_mblock_mperblock_nblock,
block_2_etile_map);
#else
ignore = p_a_grid;
ignore = p_b_grid;
ignore = p_ds_grid;
ignore = p_e_grid;
ignore = p_f_grid;
ignore = p_g_grid;
ignore = a_element_op;
ignore = b_element_op;
ignore = cde_element_op;
ignore = a_grid_desc_ak0_m_ak1;
ignore = b_grid_desc_bk0_n_bk1;
ignore = ds_grid_desc_mblock_mperblock_nblock_nperblock;
ignore = e_grid_desc_mblock_mperblock_nblock_nperblock;
ignore = f_grid_desc_mblock_mperblock_nblock;
ignore = g_grid_desc_mblock_mperblock_nblock;
ignore = block_2_etile_map;
#endif
}
} // namespace ck
namespace ck {
namespace tensor_operation {
namespace device {
......@@ -43,7 +129,7 @@ template <typename ALayout,
typename CShuffleDataType,
typename DsDataType,
typename EDataType,
typename FDataType,
typename HDataType,
typename AElementwiseOperation,
typename BElementwiseOperation,
typename CDEElementwiseOperation,
......@@ -81,7 +167,9 @@ template <typename ALayout,
LoopScheduler LoopSched = make_default_loop_scheduler()>
struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
{
using DeviceOp = DeviceGemmMultipleDLayernorm_Xdl_CShuffle;
using DeviceOp = DeviceGemmMultipleDLayernorm_Xdl_CShuffle;
using FDataType = CShuffleDataType;
using GDataType = CShuffleDataType;
static constexpr index_t NumDTensor = DsDataType::Size();
......@@ -162,8 +250,64 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
using BGridDesc_N_K = decltype(MakeBGridDescriptor_N_K(1, 1, 1));
using DsGridDesc_M_N = remove_cvref_t<decltype(MakeDsGridDescriptor_M_N({}, {}, {}))>;
using EGridDesc_M_N = decltype(MakeGridDescriptor_M_N<ELayout>(1, 1, 1));
using FGridDesc_M_N = decltype(MakeGridDescriptor_M_N<ELayout>(1, 1, 1));
using GGridDesc_M_N = decltype(MakeGridDescriptor_M_N<ELayout>(1, 1, 1));
using HGridDesc_M_N = decltype(MakeGridDescriptor_M_N<HLayout>(1, 1, 1));
// GridwiseGemm
using GridwiseGemm = GridwiseGemmMultipleDWelford_xdl_cshuffle<
ADataType, // TODO: distinguish A/B datatype
AccDataType,
CShuffleDataType,
DsDataType,
EDataType,
FDataType,
GDataType,
AElementwiseOperation,
BElementwiseOperation,
CDEElementwiseOperation,
InMemoryDataOperationEnum::Set,
AGridDesc_M_K,
BGridDesc_N_K,
DsGridDesc_M_N,
EGridDesc_M_N,
FGridDesc_M_N,
GGridDesc_M_N,
NumGemmKPrefetchStage,
BlockSize,
MPerBlock,
NPerBlock,
KPerBlock,
AK1,
BK1,
MPerXDL,
NPerXDL,
MXdlPerWave,
NXdlPerWave,
ABlockTransferThreadClusterLengths_AK0_M_AK1,
ABlockTransferThreadClusterArrangeOrder,
ABlockTransferSrcAccessOrder,
ABlockTransferSrcVectorDim,
ABlockTransferSrcScalarPerVector,
ABlockTransferDstScalarPerVector_AK1,
false,
ABlockLdsExtraM,
BBlockTransferThreadClusterLengths_BK0_N_BK1,
BBlockTransferThreadClusterArrangeOrder,
BBlockTransferSrcAccessOrder,
BBlockTransferSrcVectorDim,
BBlockTransferSrcScalarPerVector,
BBlockTransferDstScalarPerVector_BK1,
false,
BBlockLdsExtraN,
CShuffleMXdlPerWavePerShuffle,
CShuffleNXdlPerWavePerShuffle,
ReduceThreadTransferClusterLengths_MPerBlock_NPerBlock,
ReduceThreadTransferScalarPerVector_NPerBlock,
LoopSched>;
using Block2ETileMap = typename GridwiseGemm::DefaultBlock2ETileMap;
// Argument
struct Argument : public BaseArgument
{
......@@ -171,7 +315,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
const void* p_b_grid,
std::array<const void*, NumDTensor> p_ds_grid,
void* p_e_grid,
void* p_f_grid,
void* p_h_grid,
index_t MRaw,
index_t NRaw,
index_t KRaw,
......@@ -188,18 +332,70 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
p_b_grid_{static_cast<const BDataType*>(p_b_grid)},
p_ds_grid_{},
p_e_grid_{static_cast<EDataType*>(p_e_grid)},
p_f_grid_{static_cast<FDataType*>(p_f_grid)},
p_f_grid_{nullptr},
p_g_grid_{nullptr},
p_h_grid_{static_cast<HDataType*>(p_h_grid)},
a_grid_desc_m_k_{DeviceOp::MakeAGridDescriptor_M_K(MRaw, KRaw, StrideA)},
b_grid_desc_n_k_{DeviceOp::MakeBGridDescriptor_N_K(KRaw, NRaw, StrideB)},
ds_grid_desc_m_n_{},
e_grid_desc_m_n_{DeviceOp::MakeGridDescriptor_M_N<ELayout>(MRaw, NRaw, StrideE)},
f_grid_desc_m_n_{DeviceOp::MakeGridDescriptor_M_N<ELayout>(
MRaw,
math::integer_divide_ceil(NRaw, NPerBlock),
math::integer_divide_ceil(NRaw, NPerBlock))},
g_grid_desc_m_n_{DeviceOp::MakeGridDescriptor_M_N<ELayout>(
MRaw,
math::integer_divide_ceil(NRaw, NPerBlock),
math::integer_divide_ceil(NRaw, NPerBlock))},
h_grid_desc_m_n_{DeviceOp::MakeGridDescriptor_M_N<HLayout>(MRaw, NRaw, StrideH)},
block_2_etile_map_{GridwiseGemm::MakeDefaultBlock2ETileMap(e_grid_desc_m_n_)},
a_element_op_{a_element_op},
b_element_op_{b_element_op},
cde_element_op_{cde_element_op},
h_element_op_{h_element_op}
{
// TODO
int welford_size = MRaw * math::integer_divide_ceil(NRaw, NPerBlock);
hip_check_error(hipMalloc(&p_f_grid_, sizeof(FDataType) * welford_size));
hip_check_error(hipMalloc(&p_g_grid_, sizeof(GDataType) * welford_size));
// populate pointer, desc for Ds
static_for<0, NumDTensor, 1>{}([&](auto i) {
using DLayout = remove_cvref_t<tuple_element_t<i.value, DsLayout>>;
using DDataType = remove_cvref_t<tuple_element_t<i.value, DsDataType>>;
// D pointer
p_ds_grid_(i) = static_cast<const DDataType*>(p_ds_grid[i]);
// D desc
ds_grid_desc_m_n_(i) =
DeviceOp::MakeGridDescriptor_M_N<DLayout>(MRaw, NRaw, StrideDs[i]);
});
// populate desc for Ds/E/F/G
if(GridwiseGemm::CheckValidity(a_grid_desc_m_k_,
b_grid_desc_n_k_,
ds_grid_desc_m_n_,
e_grid_desc_m_n_,
f_grid_desc_m_n_,
g_grid_desc_m_n_,
block_2_etile_map_))
{
ds_grid_desc_mblock_mperblock_nblock_nperblock_ =
GridwiseGemm::MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
ds_grid_desc_m_n_);
e_grid_desc_mblock_mperblock_nblock_nperblock_ =
GridwiseGemm::MakeEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
e_grid_desc_m_n_);
f_grid_desc_mblock_mperblock_nblock_ =
GridwiseGemm::MakeFGGridDescriptor_MBlock_MPerBlock_NBlock(f_grid_desc_m_n_);
g_grid_desc_mblock_mperblock_nblock_ =
GridwiseGemm::MakeFGGridDescriptor_MBlock_MPerBlock_NBlock(g_grid_desc_m_n_);
}
// TODO - H
}
void Print() const
......@@ -216,20 +412,35 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
// pointers
const ADataType* p_a_grid_;
const BDataType* p_b_grid_;
// FIXME - typename GridwiseGemm::DsGridPointer
std::array<const void*, NumDTensor> p_ds_grid_;
typename GridwiseGemm::DsGridPointer p_ds_grid_;
EDataType* p_e_grid_;
FDataType* p_f_grid_;
FDataType* p_f_grid_; // mean
GDataType* p_g_grid_; // variance * count
HDataType* p_h_grid_;
// tensor descriptors for problem definiton
AGridDesc_M_K a_grid_desc_m_k_;
BGridDesc_N_K b_grid_desc_n_k_;
DsGridDesc_M_N ds_grid_desc_m_n_;
EGridDesc_M_N e_grid_desc_m_n_;
FGridDesc_M_N f_grid_desc_m_n_;
GGridDesc_M_N g_grid_desc_m_n_;
HGridDesc_M_N h_grid_desc_m_n_;
// TODO - tensor descriptors for block/thread-wise copy
// TODO - block-to-e-tile map
// tensor descriptors for block/thread-wise copy
typename GridwiseGemm::DefaultAGridDesc_AK0_M_AK1 a_grid_desc_ak0_m_ak1_;
typename GridwiseGemm::DefaultBGridDesc_BK0_N_BK1 b_grid_desc_bk0_n_bk1_;
typename GridwiseGemm::DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
ds_grid_desc_mblock_mperblock_nblock_nperblock_;
typename GridwiseGemm::EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
e_grid_desc_mblock_mperblock_nblock_nperblock_;
typename GridwiseGemm::FGridDescriptor_MBlock_MPerBlock_NBlock
f_grid_desc_mblock_mperblock_nblock_;
typename GridwiseGemm::GGridDescriptor_MBlock_MPerBlock_NBlock
g_grid_desc_mblock_mperblock_nblock_;
// block-to-e-tile map
Block2ETileMap block_2_etile_map_;
// element-wise op
AElementwiseOperation a_element_op_;
......@@ -243,10 +454,79 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
{
using Argument = DeviceOp::Argument;
float Run(const Argument&, const StreamConfig&)
float Run(const Argument& arg, const StreamConfig& stream_config = StreamConfig{})
{
// TODO
return 0;
if(!GridwiseGemm::CheckValidity(arg.a_grid_desc_m_k_,
arg.b_grid_desc_n_k_,
arg.ds_grid_desc_m_n_,
arg.e_grid_desc_m_n_,
arg.f_grid_desc_m_n_,
arg.g_grid_desc_m_n_,
arg.block_2_etile_map_))
{
throw std::runtime_error("wrong! GridwiseGemm has invalid setting");
}
const index_t grid_size =
arg.block_2_etile_map_.CalculateGridSize(arg.e_grid_desc_m_n_);
const auto K =
arg.a_grid_desc_ak0_m_ak1_.GetLength(I0) * arg.a_grid_desc_ak0_m_ak1_.GetLength(I2);
auto launch_kernel = [&](auto has_main_k_block_loop) {
constexpr bool has_main_loop = has_main_k_block_loop.value;
const auto kernel = kernel_gemm_multiple_d_welford_xdl_cshuffle<
GridwiseGemm,
ADataType, // TODO: distiguish A/B datatype
typename GridwiseGemm::DsGridPointer,
EDataType,
FDataType,
GDataType,
AElementwiseOperation,
BElementwiseOperation,
CDEElementwiseOperation,
typename GridwiseGemm::DefaultAGridDesc_AK0_M_AK1,
typename GridwiseGemm::DefaultBGridDesc_BK0_N_BK1,
typename GridwiseGemm::DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
typename GridwiseGemm::EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock,
typename GridwiseGemm::FGridDescriptor_MBlock_MPerBlock_NBlock,
typename GridwiseGemm::GGridDescriptor_MBlock_MPerBlock_NBlock,
typename GridwiseGemm::DefaultBlock2ETileMap,
has_main_loop>;
return launch_and_time_kernel(stream_config,
kernel,
dim3(grid_size),
dim3(BlockSize),
0,
arg.p_a_grid_,
arg.p_b_grid_,
arg.p_ds_grid_,
arg.p_e_grid_,
arg.p_f_grid_,
arg.p_g_grid_,
arg.a_element_op_,
arg.b_element_op_,
arg.cde_element_op_,
arg.a_grid_desc_ak0_m_ak1_,
arg.b_grid_desc_bk0_n_bk1_,
arg.ds_grid_desc_mblock_mperblock_nblock_nperblock_,
arg.e_grid_desc_mblock_mperblock_nblock_nperblock_,
arg.f_grid_desc_mblock_mperblock_nblock_,
arg.g_grid_desc_mblock_mperblock_nblock_,
arg.block_2_etile_map_);
};
if(GridwiseGemm::CalculateHasMainKBlockLoop(K))
{
return launch_kernel(integral_constant<bool, true>{});
}
else
{
return launch_kernel(integral_constant<bool, false>{});
}
}
// polymorphic
......@@ -264,7 +544,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
return false;
}
return false;
return true;
}
// polymorphic
......@@ -277,7 +557,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
const void* p_b,
std::array<const void*, NumDTensor> p_ds,
void* p_e,
void* p_f,
void* p_h,
index_t MRaw,
index_t NRaw,
index_t KRaw,
......@@ -295,7 +575,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
p_b,
p_ds,
p_e,
p_f,
p_h,
MRaw,
NRaw,
KRaw,
......@@ -317,7 +597,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
const void* p_b,
std::array<const void*, NumDTensor> p_ds,
void* p_e,
void* p_f,
void* p_h,
index_t MRaw,
index_t NRaw,
index_t KRaw,
......@@ -335,7 +615,7 @@ struct DeviceGemmMultipleDLayernorm_Xdl_CShuffle : public BaseOperator
p_b,
p_ds,
p_e,
p_f,
p_h,
MRaw,
NRaw,
KRaw,
......
include/ck/tensor_operation/gpu/grid/gridwise_gemm_multiple_d_welford_xdl_cshuffle.hpp 0 → 100644
View file @ dd0255ba
// SPDX-License-Identifier: MIT
// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
#pragma once
#include "ck/utility/common_header.hpp"
#include "ck/tensor_description/multi_index_transform_helper.hpp"
#include "ck/tensor_description/tensor_descriptor.hpp"
#include "ck/tensor_description/tensor_descriptor_helper.hpp"
#include "ck/tensor_operation/gpu/grid/block_to_ctile_map.hpp"
#include "ck/tensor_operation/gpu/grid/gridwise_gemm_pipeline_v1.hpp"
#include "ck/tensor_operation/gpu/block/blockwise_gemm_xdlops.hpp"
#include "ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v4r1.hpp"
#include "ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v7.hpp"
#include "ck/tensor_operation/gpu/thread/threadwise_tensor_slice_transfer.hpp"
#include "ck/tensor_operation/gpu/element/element_wise_operation.hpp"
#include "ck/tensor_operation/gpu/block/blockwise_welford.hpp"
#include "ck/tensor_operation/gpu/thread/threadwise_welford.hpp"
namespace ck {
// GEMM:
// input : A[M, K]
// input : B[N, K]
// input : D0[M, N], D1[M, N], ...
// output : E[M, N]
// output : F[M, N0], where N0 is number of blocks along N dimension
// output : G[M, N0], where N0 is number of blocks along N dimension
// C = a_op(A) * b_op(B)
// E = cde_op(C, D0, D1, ...)
// F, G = welford(E)
// Assume:
// D0, D1, ... and E have the same layout
// Calculate mean & variance along N dimension for E
template <typename ABDataType,
typename AccDataType,
typename CShuffleDataType,
typename DsDataType,
typename EDataType,
typename FDataType,
typename GDataType,
typename AElementwiseOperation,
typename BElementwiseOperation,
typename CDEElementwiseOperation,
InMemoryDataOperationEnum EGlobalMemoryDataOperation,
typename AGridDesc_M_K,
typename BGridDesc_N_K,
typename DsGridDesc_M_N,
typename EGridDesc_M_N,
typename FGridDesc_M_N,
typename GGridDesc_M_N,
index_t NumGemmKPrefetchStage,
index_t BlockSize,
index_t MPerBlock,
index_t NPerBlock,
index_t KPerBlock,
index_t AK1Value,
index_t BK1Value,
index_t MPerXdl,
index_t NPerXdl,
index_t MXdlPerWave,
index_t NXdlPerWave,
typename ABlockTransferThreadClusterLengths_AK0_M_AK1,
typename ABlockTransferThreadClusterArrangeOrder,
typename ABlockTransferSrcAccessOrder,
index_t ABlockTransferSrcVectorDim,
index_t ABlockTransferSrcScalarPerVector,
index_t ABlockTransferDstScalarPerVector_AK1,
bool AThreadTransferSrcResetCoordinateAfterRun,
index_t ABlockLdsExtraM,
typename BBlockTransferThreadClusterLengths_BK0_N_BK1,
typename BBlockTransferThreadClusterArrangeOrder,
typename BBlockTransferSrcAccessOrder,
index_t BBlockTransferSrcVectorDim,
index_t BBlockTransferSrcScalarPerVector,
index_t BBlockTransferDstScalarPerVector_BK1,
bool BThreadTransferSrcResetCoordinateAfterRun,
index_t BBlockLdsExtraN,
index_t CShuffleMXdlPerWavePerShuffle,
index_t CShuffleNXdlPerWavePerShuffle,
typename CDRThreadTransferClusterLengths_MPerBlock_NPerBlock,
index_t CDEReduceThreadTransferScalarPerVector_NPerBlock,
LoopScheduler LoopSched>
struct GridwiseGemmMultipleDWelford_xdl_cshuffle
{
static constexpr index_t NumDTensor = DsDataType::Size();
static constexpr auto I0 = Number<0>{};
static constexpr auto I1 = Number<1>{};
static constexpr auto I2 = Number<2>{};
static constexpr auto I3 = Number<3>{};
static constexpr auto I4 = Number<4>{};
static constexpr auto I5 = Number<5>{};
static constexpr auto I6 = Number<6>{};
static constexpr auto I7 = Number<7>{};
// K1 should be Number<...>
static constexpr auto AK1 = Number<AK1Value>{};
static constexpr auto BK1 = Number<BK1Value>{};
static constexpr auto AK0PerBlock = Number<KPerBlock / AK1Value>{};
static constexpr auto BK0PerBlock = Number<KPerBlock / BK1Value>{};
using ThisThreadBlock = ThisThreadBlock<BlockSize>;
using GridwiseGemmPipe = GridwiseGemmPipeline_v1<NumGemmKPrefetchStage>;
__host__ __device__ static constexpr auto GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1()
{
// A matrix in LDS memory, dst of blockwise copy
return make_naive_tensor_descriptor(
make_tuple(AK0PerBlock, Number<MPerBlock>{}, AK1),
make_tuple(Number<MPerBlock + ABlockLdsExtraM>{} * AK1, AK1, I1));
}
__host__ __device__ static constexpr auto GetBBlockDescriptor_BK0PerBlock_NPerBlock_BK1()
{
// B matrix in LDS memory, dst of blockwise copy
return make_naive_tensor_descriptor(
make_tuple(BK0PerBlock, Number<NPerBlock>{}, BK1),
make_tuple(Number<NPerBlock + BBlockLdsExtraN>{} * BK1, BK1, I1));
}
__host__ __device__ static constexpr auto
GetCShuffleBlockDescriptor_MBlock_MPerBlock_NBlock_NPerBlock()
{
constexpr index_t MWave = MPerBlock / (MXdlPerWave * MPerXdl);
constexpr index_t NWave = NPerBlock / (NXdlPerWave * NPerXdl);
constexpr auto c_shuffle_block_desc_mblock_mperblock_nblock_nperblock =
make_naive_tensor_descriptor_packed(
make_tuple(I1,
Number<CShuffleMXdlPerWavePerShuffle * MWave * MPerXdl>{},
I1,
Number<CShuffleNXdlPerWavePerShuffle * NWave * NPerXdl>{}));
return c_shuffle_block_desc_mblock_mperblock_nblock_nperblock;
}
// ck::Tuple<const D0DataType*, const D1DataType*, ...>
static constexpr auto MakeDsGridPointer()
{
return generate_tuple(
[&](auto i) {
using DDataType = remove_cvref_t<tuple_element_t<i.value, DsDataType>>;
return static_cast<const DDataType*>(nullptr);
},
Number<NumDTensor>{});
}
__host__ __device__ static constexpr index_t GetSharedMemoryNumberOfByte()
{
// LDS allocation for A and B: be careful of alignment
constexpr auto a_block_desc_ak0_m_ak1 = GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
constexpr auto b_block_desc_bk0_n_bk1 = GetBBlockDescriptor_BK0PerBlock_NPerBlock_BK1();
// lds max alignment
constexpr auto max_lds_align = math::lcm(AK1, BK1);
constexpr auto a_block_space_size_aligned = math::integer_least_multiple(
a_block_desc_ak0_m_ak1.GetElementSpaceSize(), max_lds_align);
constexpr auto b_block_space_size_aligned = math::integer_least_multiple(
b_block_desc_bk0_n_bk1.GetElementSpaceSize(), max_lds_align);
// LDS allocation for C shuffle in LDS
constexpr auto c_shuffle_block_desc_mblock_mperblock_nblock_nperblock =
GetCShuffleBlockDescriptor_MBlock_MPerBlock_NBlock_NPerBlock();
constexpr auto c_block_size =
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetElementSpaceSize();
return math::max((a_block_space_size_aligned + b_block_space_size_aligned) *
sizeof(ABDataType),
c_block_size * sizeof(CShuffleDataType));
}
// A desc for source in blockwise copy
__host__ __device__ static constexpr auto
MakeDefaultAGridDescriptor_AK0_M_AK1(const AGridDesc_M_K& a_grid_desc_m_k)
{
const auto M = a_grid_desc_m_k.GetLength(I0);
const auto K = a_grid_desc_m_k.GetLength(I1);
const auto AK0 = K / AK1;
return transform_tensor_descriptor(a_grid_desc_m_k,
make_tuple(make_unmerge_transform(make_tuple(AK0, AK1)),
make_pass_through_transform(M)),
make_tuple(Sequence<1>{}, Sequence<0>{}),
make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
}
// B desc for source in blockwise copy
__host__ __device__ static constexpr auto
MakeDefaultBGridDescriptor_BK0_N_BK1(const BGridDesc_N_K& b_grid_desc_n_k)
{
const auto N = b_grid_desc_n_k.GetLength(I0);
const auto K = b_grid_desc_n_k.GetLength(I1);
const auto BK0 = K / BK1;
return transform_tensor_descriptor(b_grid_desc_n_k,
make_tuple(make_unmerge_transform(make_tuple(BK0, BK1)),
make_pass_through_transform(N)),
make_tuple(Sequence<1>{}, Sequence<0>{}),
make_tuple(Sequence<0, 2>{}, Sequence<1>{}));
}
// E desc for destination in blockwise copy
template <typename EGridDescriptor_M_N>
__host__ __device__ static constexpr auto MakeEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
const EGridDescriptor_M_N& e_grid_desc_m_n)
{
const auto M = e_grid_desc_m_n.GetLength(I0);
const auto N = e_grid_desc_m_n.GetLength(I1);
const auto MBlock = M / MPerBlock;
const auto NBlock = N / NPerBlock;
const auto e_grid_desc_mblock_mperblock_nblock_nperblock = transform_tensor_descriptor(
e_grid_desc_m_n,
make_tuple(make_unmerge_transform(make_tuple(MBlock, Number<MPerBlock>{})),
make_unmerge_transform(make_tuple(NBlock, Number<NPerBlock>{}))),
make_tuple(Sequence<0>{}, Sequence<1>{}),
make_tuple(Sequence<0, 1>{}, Sequence<2, 3>{}));
return e_grid_desc_mblock_mperblock_nblock_nperblock;
}
// Ds desc for source in blockwise copy
template <typename DsGridDescriptor_M_N>
__host__ __device__ static constexpr auto
MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(
const DsGridDescriptor_M_N& ds_grid_desc_m_n)
{
return generate_tuple(
[&](auto i) {
return MakeEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(ds_grid_desc_m_n[i]);
},
Number<NumDTensor>{});
}
// TODO - MakeFGGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock
template <typename GridDescriptor_M_N>
__host__ __device__ static constexpr auto
MakeFGGridDescriptor_MBlock_MPerBlock_NBlock(const GridDescriptor_M_N& grid_desc_m_n)
{
const auto M = grid_desc_m_n.GetLength(I0);
const auto NBlock = grid_desc_m_n.GetLength(I1);
const auto MBlock = M / MPerBlock;
const auto grid_desc_mblock_mperblock_nblock = transform_tensor_descriptor(
grid_desc_m_n,
make_tuple(make_unmerge_transform(make_tuple(MBlock, Number<MPerBlock>{})),
make_pass_through_transform(NBlock)),
make_tuple(Sequence<0>{}, Sequence<1>{}),
make_tuple(Sequence<0, 1>{}, Sequence<2>{}));
return grid_desc_mblock_mperblock_nblock;
}
// return block_id to E matrix tile idx (m0, n0) mapping
__host__ __device__ static constexpr auto
MakeDefaultBlock2ETileMap(const EGridDesc_M_N& e_grid_desc_m_n)
{
return BlockToCTileMap_M00_N0_M01Adapt<MPerBlock, NPerBlock, EGridDesc_M_N>(
e_grid_desc_m_n);
}
// block_id to matrix tile idx (m0, n0) mapping are controlled by {M01, N01}
template <typename Block2ETileMap>
__host__ __device__ static constexpr bool CheckValidity(const AGridDesc_M_K& a_grid_desc_m_k,
const BGridDesc_N_K& b_grid_desc_n_k,
const DsGridDesc_M_N& ds_grid_desc_m_n,
const EGridDesc_M_N& e_grid_desc_m_n,
const FGridDesc_M_N& f_grid_desc_m_n,
const GGridDesc_M_N& g_grid_desc_m_n,
const Block2ETileMap& block_2_etile_map)
{
static_assert((MPerBlock % (MPerXdl * MXdlPerWave) == 0) &&
(NPerBlock % (NXdlPerWave * NPerXdl)) == 0,
"Invalid tuning param!");
const auto M = a_grid_desc_m_k.GetLength(I0);
const auto N = b_grid_desc_n_k.GetLength(I0);
const auto K = a_grid_desc_m_k.GetLength(I1);
// check consistency of desc
if(!(M == e_grid_desc_m_n.GetLength(I0) && N == e_grid_desc_m_n.GetLength(I1) &&
M == f_grid_desc_m_n.GetLength(I0) && M == g_grid_desc_m_n.GetLength(I0) &&
N / NPerBlock == f_grid_desc_m_n.GetLength(I1) &&
N / NPerBlock == g_grid_desc_m_n.GetLength(I1)))
{
return false;
}
bool valid = true;
static_for<0, NumDTensor, 1>{}([&](auto i) {
valid = valid && (M == ds_grid_desc_m_n[i].GetLength(I0) &&
N == ds_grid_desc_m_n[i].GetLength(I1));
});
if(!valid)
{
return false;
}
// check tile size
if(!(M % MPerBlock == 0 && N % NPerBlock == 0 && K % KPerBlock == 0))
{
return false;
}
// check gridwise gemm pipeline
const auto num_k_loop = K / KPerBlock;
if(!GridwiseGemmPipe::IsSupported(num_k_loop))
{
return false;
}
// check block-to-E-tile
if(!block_2_etile_map.CheckValidity(e_grid_desc_m_n))
{
return false;
}
// TODO: also check validity of all components (blockwise-copy, threadwise-copy, etc)
// check tensor size: cannot be larger than 2GB each
constexpr long_index_t TwoGB = (long_index_t{1} << 31);
if(!(a_grid_desc_m_k.GetElementSpaceSize() * sizeof(ABDataType) <= TwoGB &&
b_grid_desc_n_k.GetElementSpaceSize() * sizeof(ABDataType) <= TwoGB &&
e_grid_desc_m_n.GetElementSpaceSize() * sizeof(EDataType) <= TwoGB))
{
return false;
}
return true;
}
__host__ __device__ static constexpr bool CalculateHasMainKBlockLoop(index_t K)
{
const index_t num_loop = K / KPerBlock;
return GridwiseGemmPipe::CalculateHasMainLoop(num_loop);
}
using DefaultAGridDesc_AK0_M_AK1 =
remove_cvref_t<decltype(MakeDefaultAGridDescriptor_AK0_M_AK1(AGridDesc_M_K{}))>;
using DefaultBGridDesc_BK0_N_BK1 =
remove_cvref_t<decltype(MakeDefaultBGridDescriptor_BK0_N_BK1(BGridDesc_N_K{}))>;
using EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock = remove_cvref_t<decltype(
MakeEGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(EGridDesc_M_N{}))>;
using FGridDescriptor_MBlock_MPerBlock_NBlock =
remove_cvref_t<decltype(MakeFGGridDescriptor_MBlock_MPerBlock_NBlock(FGridDesc_M_N{}))>;
using GGridDescriptor_MBlock_MPerBlock_NBlock =
remove_cvref_t<decltype(MakeFGGridDescriptor_MBlock_MPerBlock_NBlock(GGridDesc_M_N{}))>;
using DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock = remove_cvref_t<decltype(
MakeDsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock(DsGridDesc_M_N{}))>;
using DefaultBlock2ETileMap =
remove_cvref_t<decltype(MakeDefaultBlock2ETileMap(EGridDesc_M_N{}))>;
using DsGridPointer = decltype(MakeDsGridPointer());
template <bool HasMainKBlockLoop,
typename AGridDesc_AK0_M_AK1,
typename BGridDesc_BK0_N_BK1,
typename Block2ETileMap>
__device__ static void
Run(const ABDataType* __restrict__ p_a_grid,
const ABDataType* __restrict__ p_b_grid,
DsGridPointer p_ds_grid,
EDataType* __restrict__ p_e_grid,
FDataType* __restrict__ p_f_grid,
GDataType* __restrict__ p_g_grid,
void* __restrict__ p_shared,
const AElementwiseOperation& a_element_op,
const BElementwiseOperation& b_element_op,
const CDEElementwiseOperation& cde_element_op,
const AGridDesc_AK0_M_AK1& a_grid_desc_ak0_m_ak1,
const BGridDesc_BK0_N_BK1& b_grid_desc_bk0_n_bk1,
const DsGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock&
ds_grid_desc_mblock_mperblock_nblock_nperblock,
const EGridDescriptor_MBlock_MPerBlock_NBlock_NPerBlock&
e_grid_desc_mblock_mperblock_nblock_nperblock,
const FGridDescriptor_MBlock_MPerBlock_NBlock& f_grid_desc_mblock_mperblock_nblock,
const GGridDescriptor_MBlock_MPerBlock_NBlock& g_grid_desc_mblock_mperblock_nblock,
const Block2ETileMap& block_2_etile_map)
{
const auto a_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_a_grid, a_grid_desc_ak0_m_ak1.GetElementSpaceSize());
const auto b_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_b_grid, b_grid_desc_bk0_n_bk1.GetElementSpaceSize());
const auto ds_grid_buf = generate_tuple(
[&](auto i) {
return make_dynamic_buffer<AddressSpaceEnum::Global>(
p_ds_grid[i],
ds_grid_desc_mblock_mperblock_nblock_nperblock[i].GetElementSpaceSize());
},
Number<NumDTensor>{});
auto e_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_e_grid, e_grid_desc_mblock_mperblock_nblock_nperblock.GetElementSpaceSize());
auto f_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_f_grid, f_grid_desc_mblock_mperblock_nblock.GetElementSpaceSize());
auto g_grid_buf = make_dynamic_buffer<AddressSpaceEnum::Global>(
p_g_grid, g_grid_desc_mblock_mperblock_nblock.GetElementSpaceSize());
// divide block work by [M, N]
const auto block_work_idx =
block_2_etile_map.CalculateBottomIndex(make_multi_index(get_block_1d_id()));
if(!block_2_etile_map.ValidCTileIndex(
block_work_idx,
make_tuple(e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I0),
e_grid_desc_mblock_mperblock_nblock_nperblock.GetLength(I2))))
{
return;
}
// HACK: this force m/n_block_data_idx_on_grid into SGPR
const index_t m_block_data_idx_on_grid =
__builtin_amdgcn_readfirstlane(block_work_idx[I0] * MPerBlock);
const index_t n_block_data_idx_on_grid =
__builtin_amdgcn_readfirstlane(block_work_idx[I1] * NPerBlock);
// lds max alignment
constexpr auto max_lds_align = math::lcm(AK1, BK1);
// A matrix in LDS memory, dst of blockwise copy
constexpr auto a_block_desc_ak0_m_ak1 = GetABlockDescriptor_AK0PerBlock_MPerBlock_AK1();
// B matrix in LDS memory, dst of blockwise copy
constexpr auto b_block_desc_bk0_n_bk1 = GetBBlockDescriptor_BK0PerBlock_NPerBlock_BK1();
// A matrix blockwise copy
auto a_blockwise_copy =
ThreadGroupTensorSliceTransfer_v4r1<ThisThreadBlock,
AElementwiseOperation,
ck::tensor_operation::element_wise::PassThrough,
InMemoryDataOperationEnum::Set,
Sequence<AK0PerBlock, MPerBlock, AK1>,
ABlockTransferThreadClusterLengths_AK0_M_AK1,
ABlockTransferThreadClusterArrangeOrder,
ABDataType,
ABDataType,
decltype(a_grid_desc_ak0_m_ak1),
decltype(a_block_desc_ak0_m_ak1),
ABlockTransferSrcAccessOrder,
Sequence<1, 0, 2>,
ABlockTransferSrcVectorDim,
2,
ABlockTransferSrcScalarPerVector,
ABlockTransferDstScalarPerVector_AK1,
1,
1,
AThreadTransferSrcResetCoordinateAfterRun,
true,
NumGemmKPrefetchStage>(
a_grid_desc_ak0_m_ak1,
make_multi_index(0, m_block_data_idx_on_grid, 0),
a_element_op,
a_block_desc_ak0_m_ak1,
make_multi_index(0, 0, 0),
ck::tensor_operation::element_wise::PassThrough{});
// B matrix blockwise copy
auto b_blockwise_copy =
ThreadGroupTensorSliceTransfer_v4r1<ThisThreadBlock,
BElementwiseOperation,
ck::tensor_operation::element_wise::PassThrough,
InMemoryDataOperationEnum::Set,
Sequence<BK0PerBlock, NPerBlock, BK1>,
BBlockTransferThreadClusterLengths_BK0_N_BK1,
BBlockTransferThreadClusterArrangeOrder,
ABDataType,
ABDataType,
decltype(b_grid_desc_bk0_n_bk1),
decltype(b_block_desc_bk0_n_bk1),
BBlockTransferSrcAccessOrder,
Sequence<1, 0, 2>,
BBlockTransferSrcVectorDim,
2,
BBlockTransferSrcScalarPerVector,
BBlockTransferDstScalarPerVector_BK1,
1,
1,
BThreadTransferSrcResetCoordinateAfterRun,
true,
NumGemmKPrefetchStage>(
b_grid_desc_bk0_n_bk1,
make_multi_index(0, n_block_data_idx_on_grid, 0),
b_element_op,
b_block_desc_bk0_n_bk1,
make_multi_index(0, 0, 0),
ck::tensor_operation::element_wise::PassThrough{});
// GEMM definition
// c_mtx += transpose(a_mtx) * b_mtx
// a_mtx[K0PerBlock, MPerBlock] is in LDS
// b_mtx[K0PerBlock, NPerBlock] is in LDS
// c_mtx[MPerBlock, NPerBlock] is distributed among threads, and saved in
// register
// sanity check
constexpr index_t KPack =
math::max(math::lcm(AK1, BK1),
MfmaSelector<ABDataType, MPerXdl, NPerXdl>::selected_mfma.k_per_blk);
auto blockwise_gemm = BlockwiseGemmXdlops_k0mk1_k0nk1_m0n0m1n1m2m3m4n2_Selector<
BlockSize,
ABDataType,
AccDataType,
decltype(a_block_desc_ak0_m_ak1),
decltype(b_block_desc_bk0_n_bk1),
MPerXdl,
NPerXdl,
MXdlPerWave,
NXdlPerWave,
KPack,
LoopSched>();
auto c_thread_buf = blockwise_gemm.GetCThreadBuffer();
// LDS allocation for A and B: be careful of alignment
constexpr auto a_block_space_size_aligned = math::integer_least_multiple(
a_block_desc_ak0_m_ak1.GetElementSpaceSize(), max_lds_align);
auto a_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
static_cast<ABDataType*>(p_shared), a_block_desc_ak0_m_ak1.GetElementSpaceSize());
auto b_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
static_cast<ABDataType*>(p_shared) + a_block_space_size_aligned,
b_block_desc_bk0_n_bk1.GetElementSpaceSize());
constexpr auto a_block_slice_copy_step = make_multi_index(KPerBlock / AK1, 0, 0);
constexpr auto b_block_slice_copy_step = make_multi_index(KPerBlock / BK1, 0, 0);
// gridwise GEMM pipeline
const auto gridwise_gemm_pipeline =
GridwiseGemmPipeline_v1_Selector<NumGemmKPrefetchStage, LoopSched>();
const index_t num_k_block_main_loop = __builtin_amdgcn_readfirstlane(
(a_grid_desc_ak0_m_ak1.GetLength(I0) * a_grid_desc_ak0_m_ak1.GetLength(I2)) /
KPerBlock);
gridwise_gemm_pipeline.template Run<HasMainKBlockLoop>(a_grid_desc_ak0_m_ak1,
a_block_desc_ak0_m_ak1,
a_blockwise_copy,
a_grid_buf,
a_block_buf,
a_block_slice_copy_step,
b_grid_desc_bk0_n_bk1,
b_block_desc_bk0_n_bk1,
b_blockwise_copy,
b_grid_buf,
b_block_buf,
b_block_slice_copy_step,
blockwise_gemm,
c_thread_buf,
num_k_block_main_loop);
// shuffle C, Welford and write out
{
static_assert(MXdlPerWave % CShuffleMXdlPerWavePerShuffle == 0 &&
NXdlPerWave % CShuffleNXdlPerWavePerShuffle == 0,
"wrong!");
constexpr index_t MWave = MPerBlock / (MXdlPerWave * MPerXdl);
constexpr index_t NWave = NPerBlock / (NXdlPerWave * NPerXdl);
// TODO: hacky, fix it!
constexpr auto c_thread_desc_m0_n0_m1_n1_m2_m3_m4_n2 =
blockwise_gemm.GetCThreadDescriptor_M0_N0_M1_N1_M2_M3_M4_N2();
// TODO: hacky, fix it!
// c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp is only used to get lengths
constexpr auto c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp =
blockwise_gemm.GetCBlockDescriptor_M0_N0_M1_N1_M2_M3_M4_N2();
constexpr auto M0 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I0);
constexpr auto N0 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I1);
constexpr auto M1 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I2);
constexpr auto N1 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I3);
constexpr auto M2 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I4);
constexpr auto M3 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I5);
constexpr auto M4 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I6);
constexpr auto N2 = c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2_tmp.GetLength(I7);
constexpr auto c_shuffle_block_desc_mblock_mperblock_nblock_nperblock =
GetCShuffleBlockDescriptor_MBlock_MPerBlock_NBlock_NPerBlock();
auto c_shuffle_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
static_cast<CShuffleDataType*>(p_shared),
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetElementSpaceSize());
// auto c_shuffle_block_buf = make_dynamic_buffer<AddressSpaceEnum::Lds>(
// static_cast<CShuffleDataType*>(p_shared),
// c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetElementSpaceSize());
constexpr auto c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2 = transform_tensor_descriptor(
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock,
make_tuple(
make_freeze_transform(I0),
make_unmerge_transform(make_tuple(
Number<CShuffleMXdlPerWavePerShuffle>{}, // M0 (MXdlPerWave) per shuffle
M1, // M1 = MWave
M2, // M2 * M3 * M4 = MPerXdl
M3,
M4)),
make_freeze_transform(I0),
make_unmerge_transform(make_tuple(
Number<CShuffleNXdlPerWavePerShuffle>{}, // N0 (NXdlPerWave) per shuffle
N1, // N1 = NWave
N2))), // N2 = NPerXdl
make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}, Sequence<3>{}),
make_tuple(
Sequence<>{}, Sequence<0, 2, 4, 5, 6>{}, Sequence<>{}, Sequence<1, 3, 7>{}));
// calculate origin of thread output tensor on global memory
// blockwise GEMM c matrix starting index
const auto c_thread_mtx_on_block =
blockwise_gemm.CalculateCThreadOriginDataIndex(I0, I0, I0, I0);
const index_t m_thread_data_on_block = c_thread_mtx_on_block[I0];
const index_t n_thread_data_on_block = c_thread_mtx_on_block[I1];
const auto m_thread_data_on_block_to_m0_m1_m2_m3_m4_adaptor =
make_single_stage_tensor_adaptor(
make_tuple(make_merge_transform(make_tuple(M0, M1, M2, M3, M4))),
make_tuple(Sequence<0, 1, 2, 3, 4>{}),
make_tuple(Sequence<0>{}));
const auto m_thread_data_on_block_idx =
m_thread_data_on_block_to_m0_m1_m2_m3_m4_adaptor.CalculateBottomIndex(
make_multi_index(m_thread_data_on_block));
const auto n_thread_data_on_block_to_n0_n1_n2_adaptor =
make_single_stage_tensor_adaptor(
make_tuple(make_merge_transform(make_tuple(N0, N1, N2))),
make_tuple(Sequence<0, 1, 2>{}),
make_tuple(Sequence<0>{}));
const auto n_thread_data_on_block_idx =
n_thread_data_on_block_to_n0_n1_n2_adaptor.CalculateBottomIndex(
make_multi_index(n_thread_data_on_block));
// shuffle: threadwise copy C from VGPR to LDS
auto c_thread_copy_vgpr_to_lds =
ThreadwiseTensorSliceTransfer_v1r3<AccDataType,
CShuffleDataType,
decltype(c_thread_desc_m0_n0_m1_n1_m2_m3_m4_n2),
decltype(c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2),
ck::tensor_operation::element_wise::PassThrough,
Sequence<CShuffleMXdlPerWavePerShuffle,
CShuffleNXdlPerWavePerShuffle,
I1,
I1,
M2,
I1,
M4,
I1>,
Sequence<0, 1, 2, 3, 4, 5, 6, 7>,
7,
1,
InMemoryDataOperationEnum::Set,
1,
true>{
c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2,
make_multi_index(0,
0,
m_thread_data_on_block_idx[I1],
n_thread_data_on_block_idx[I1],
m_thread_data_on_block_idx[I2],
m_thread_data_on_block_idx[I3],
m_thread_data_on_block_idx[I4],
n_thread_data_on_block_idx[I2]),
ck::tensor_operation::element_wise::PassThrough{}};
// space filling curve for threadwise C in VGPR
constexpr auto sfc_c_vgpr =
SpaceFillingCurve<Sequence<MXdlPerWave, NXdlPerWave, 1, 1, M2, 1, M4, 1>,
Sequence<0, 1, 2, 3, 4, 5, 6, 7>,
Sequence<CShuffleMXdlPerWavePerShuffle,
CShuffleNXdlPerWavePerShuffle,
1,
1,
M2,
1,
M4,
1>>{};
// space filling curve for shuffled blockwise C in global mem
constexpr auto sfc_der_global =
SpaceFillingCurve<Sequence<1, MPerBlock, 1, NPerBlock>,
Sequence<0, 2, 1, 3>,
Sequence<1,
CShuffleMXdlPerWavePerShuffle * MWave * MPerXdl,
1,
CShuffleNXdlPerWavePerShuffle * NWave * NPerXdl>>{};
// LDS c_reduce_block_desc_mperblock_nperblock
constexpr auto c_reduce_block_desc_mperblock_nperblock = transform_tensor_descriptor(
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock,
make_tuple(
make_freeze_transform(I0),
make_pass_through_transform(
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetLength(I1)),
make_freeze_transform(I0),
make_pass_through_transform(
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetLength(I3))),
make_tuple(Sequence<0>{}, Sequence<1>{}, Sequence<2>{}, Sequence<3>{}),
make_tuple(Sequence<>{}, Sequence<0>{}, Sequence<>{}, Sequence<1>{}));
static_assert(CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I0) *
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I1) ==
BlockSize,
"wrong!");
static_assert((CShuffleMXdlPerWavePerShuffle * MWave * MPerXdl) %
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I0) ==
0 &&
(CShuffleNXdlPerWavePerShuffle * NWave * NPerXdl) %
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I1) ==
0,
"wrong!");
constexpr index_t mreduce_per_thread =
(CShuffleMXdlPerWavePerShuffle * MWave * MPerXdl) /
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I0);
constexpr index_t nreduce_per_thread =
(CShuffleNXdlPerWavePerShuffle * NWave * NPerXdl) /
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock::At(I1);
constexpr auto c_reduce_thread_lengths_mperblock_nperblock =
Sequence<mreduce_per_thread, nreduce_per_thread>{};
// VGPR cde_reduce_thread_desc_mperblock_nperblock
constexpr auto cde_reduce_thread_desc_mperblock_nperblock =
make_naive_tensor_descriptor_packed(
make_tuple(Number<mreduce_per_thread>{}, Number<nreduce_per_thread>{}));
auto e_thread_buf = make_static_buffer<AddressSpaceEnum::Vgpr, AccDataType>(
cde_reduce_thread_desc_mperblock_nperblock.GetElementSpaceSize());
// To apply D0, D1, ... and Welford.
// threadwise copy from LDS to VGPR
constexpr auto c_reduce_thread_cluster_desc = make_cluster_descriptor(
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock{}, Sequence<1, 0>{});
const auto c_reduce_thread_cluster_idx =
c_reduce_thread_cluster_desc.CalculateBottomIndex(
make_multi_index(get_thread_local_1d_id()));
const auto c_reduce_thread_data_idx_begin =
c_reduce_thread_cluster_idx * c_reduce_thread_lengths_mperblock_nperblock;
// To apply D0, D1, ... and Welford.
// Copy c shuffle from LDS back to VGPR
auto c_reduce_thread_copy_lds_to_vgpr = ThreadwiseTensorSliceTransfer_v2<
CShuffleDataType,
AccDataType,
decltype(c_reduce_block_desc_mperblock_nperblock),
decltype(cde_reduce_thread_desc_mperblock_nperblock),
decltype(c_reduce_thread_lengths_mperblock_nperblock),
Sequence<0, 1>,
1,
CDEReduceThreadTransferScalarPerVector_NPerBlock,
1,
true>{c_reduce_block_desc_mperblock_nperblock, c_reduce_thread_data_idx_begin};
// D0, D1, ..., Dn
constexpr auto cde_reduce_thread_desc_I1_mperblock_I1_nperblock =
make_naive_tensor_descriptor_packed(
make_tuple(I1, Number<mreduce_per_thread>{}, I1, Number<nreduce_per_thread>{}));
// FIXME: Decrease usage of VGPR
// Apply pointwise lambda function from multi-source (Global and LDS) into VGPR
auto ds_thread_buf = generate_tuple(
[&](auto) {
return make_static_buffer<AddressSpaceEnum::Vgpr, CShuffleDataType>(
cde_reduce_thread_desc_I1_mperblock_I1_nperblock.GetElementSpaceSize());
},
Number<NumDTensor>{});
// Copy D0, D1, ..., Dn from global to VGPR
auto ds_thread_copy_global_to_vgpr = generate_tuple(
[&](auto I) {
using DDataType = remove_cvref_t<tuple_element_t<I.value, DsDataType>>;
return ThreadwiseTensorSliceTransfer_v2<
DDataType,
AccDataType,
decltype(ds_grid_desc_mblock_mperblock_nblock_nperblock[I]),
decltype(cde_reduce_thread_desc_I1_mperblock_I1_nperblock),
Sequence<I1, mreduce_per_thread, I1, nreduce_per_thread>,
Sequence<0, 1, 2, 3>,
3,
CDEReduceThreadTransferScalarPerVector_NPerBlock,
1,
true>(ds_grid_desc_mblock_mperblock_nblock_nperblock[I],
make_multi_index(
I0,
m_block_data_idx_on_grid + c_reduce_thread_data_idx_begin[I0],
I0,
n_block_data_idx_on_grid + c_reduce_thread_data_idx_begin[I1]));
},
Number<NumDTensor>{});
auto e_thread_copy_vgpr_to_global = ThreadwiseTensorSliceTransfer_v1r3<
AccDataType,
EDataType,
decltype(cde_reduce_thread_desc_I1_mperblock_I1_nperblock),
decltype(e_grid_desc_mblock_mperblock_nblock_nperblock),
tensor_operation::element_wise::PassThrough,
Sequence<I1, mreduce_per_thread, I1, nreduce_per_thread>, // SliceLengths
Sequence<0, 1, 2, 3>, // DimAccessOrder
3, // DstVectorDim
CDEReduceThreadTransferScalarPerVector_NPerBlock,
InMemoryDataOperationEnum::Set,
1,
true>{
e_grid_desc_mblock_mperblock_nblock_nperblock,
make_multi_index(I0,
m_block_data_idx_on_grid + c_reduce_thread_data_idx_begin[I0],
I0,
n_block_data_idx_on_grid + c_reduce_thread_data_idx_begin[I1]),
tensor_operation::element_wise::PassThrough{}};
// Welford
constexpr auto thread_welford_src_desc_m_k = make_naive_tensor_descriptor_packed(
make_tuple(Number<mreduce_per_thread>{}, Number<nreduce_per_thread>{}));
constexpr auto thread_welford_dst_desc_m =
make_naive_tensor_descriptor_packed(make_tuple(Number<mreduce_per_thread>{}));
using ThreadwiseWelford = ThreadwiseWelford<AccDataType,
decltype(thread_welford_src_desc_m_k),
decltype(thread_welford_dst_desc_m)>;
using BlockwiseWelford =
BlockwiseWelford<AccDataType,
BlockSize,
CDRThreadTransferClusterLengths_MPerBlock_NPerBlock,
Sequence<0, 1>>;
constexpr int num_shuffleM =
MPerBlock / (CShuffleMXdlPerWavePerShuffle * MWave * MPerXdl);
using mean_var_vgpr_type =
decltype(make_static_buffer<AddressSpaceEnum::Vgpr, AccDataType>(
thread_welford_dst_desc_m.GetElementSpaceSize()));
Array<ThreadwiseWelford, num_shuffleM> threadwise_welfords;
Array<mean_var_vgpr_type, num_shuffleM> mean_thread_bufs;
Array<mean_var_vgpr_type, num_shuffleM> var_thread_bufs;
static_for<0, num_shuffleM, 1>{}([&](auto i) {
// TODO - padding
threadwise_welfords(i).max_count_ = nreduce_per_thread;
mean_thread_bufs(i) = make_static_buffer<AddressSpaceEnum::Vgpr, AccDataType>(
thread_welford_dst_desc_m.GetElementSpaceSize());
var_thread_bufs(i) = make_static_buffer<AddressSpaceEnum::Vgpr, AccDataType>(
thread_welford_dst_desc_m.GetElementSpaceSize());
static_for<0, mreduce_per_thread, 1>{}([&](auto j) {
mean_thread_bufs(i)(j) = type_convert<AccDataType>(0.0f);
var_thread_bufs(i)(j) = type_convert<AccDataType>(0.0f);
});
});
constexpr index_t num_access = sfc_c_vgpr.GetNumOfAccess();
static_assert(num_access == sfc_der_global.GetNumOfAccess(), "wrong!");
// TODO - SGPR
int shuffleM_index = 0;
static_for<0, num_access, 1>{}([&](auto access_id) {
// make sure it's safe to read from LDS
block_sync_lds();
// each thread shuffle data from VGPR to LDS
c_thread_copy_vgpr_to_lds.Run(c_thread_desc_m0_n0_m1_n1_m2_m3_m4_n2,
sfc_c_vgpr.GetIndexTupleOfNumber(access_id),
c_thread_buf,
c_block_desc_m0_n0_m1_n1_m2_m3_m4_n2,
c_shuffle_block_buf);
// make sure it's safe to write to LDS
block_sync_lds();
// Get shuffle data from LDS to VGPR
c_reduce_thread_copy_lds_to_vgpr.Run(c_reduce_block_desc_mperblock_nperblock,
c_shuffle_block_buf,
cde_reduce_thread_desc_mperblock_nperblock,
make_tuple(I0, I0),
e_thread_buf);
// Global read D0, D1, ...
static_for<0, NumDTensor, 1>{}([&](auto Id) {
auto& d_thread_copy_global_to_vgpr = ds_thread_copy_global_to_vgpr(Id);
d_thread_copy_global_to_vgpr.Run(
ds_grid_desc_mblock_mperblock_nblock_nperblock[Id],
ds_grid_buf[Id],
cde_reduce_thread_desc_I1_mperblock_I1_nperblock,
make_tuple(I0, I0, I0, I0),
ds_thread_buf(Id));
if constexpr(access_id < num_access - 1)
{
// move on D0, D1, ...
constexpr auto de_global_step = sfc_der_global.GetForwardStep(access_id);
d_thread_copy_global_to_vgpr.MoveSrcSliceWindow(
ds_grid_desc_mblock_mperblock_nblock_nperblock[Id], de_global_step);
}
});
// cde_element_op(e, c, d0, d1, ...);
static_for<0, cde_reduce_thread_desc_mperblock_nperblock.GetElementSize(), 1>{}(
[&](auto i) {
const auto c_ds_src_data_refs = concat_tuple_of_reference(
tie(e_thread_buf[i]),
generate_tie(
[&](auto Id) -> const auto& { return ds_thread_buf[Id][i]; },
Number<NumDTensor>{}));
auto e_dst_data_refs = tie(e_thread_buf(i));
unpack2(cde_element_op, e_dst_data_refs, c_ds_src_data_refs);
});
// Global write E
e_thread_copy_vgpr_to_global.Run(cde_reduce_thread_desc_I1_mperblock_I1_nperblock,
make_tuple(I0, I0, I0, I0),
e_thread_buf,
e_grid_desc_mblock_mperblock_nblock_nperblock,
e_grid_buf);
if constexpr(access_id < num_access - 1)
{
// move on E
constexpr auto de_global_step = sfc_der_global.GetForwardStep(access_id);
e_thread_copy_vgpr_to_global.MoveDstSliceWindow(
e_grid_desc_mblock_mperblock_nblock_nperblock, de_global_step);
}
// Threadwise welford
auto& threadwise_welford = threadwise_welfords(shuffleM_index);
auto& mean_thread_buf = mean_thread_bufs(shuffleM_index);
auto& var_thread_buf = var_thread_bufs(shuffleM_index);
threadwise_welford.Run(e_thread_buf, mean_thread_buf, var_thread_buf);
if constexpr(access_id < num_access - 1)
{
constexpr auto de_global_step = sfc_der_global.GetForwardStep(access_id);
constexpr int shuffleMInc =
de_global_step[I1] /
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetLength(I1);
shuffleM_index += shuffleMInc;
}
}); // copy c, d, e + welford
// Blockwise welford and write out
static_for<0, num_shuffleM, 1>{}([&](auto i) {
auto& mean_thread_buf = mean_thread_bufs(i);
auto& var_thread_buf = var_thread_bufs(i);
int count = threadwise_welfords(i).cur_count_;
static_for<0, mreduce_per_thread, 1>{}([&](auto j) {
block_sync_lds();
BlockwiseWelford::Run(mean_thread_buf(j), var_thread_buf(j), count);
});
constexpr auto thread_welford_desc_I_m_I = make_naive_tensor_descriptor_packed(
make_tuple(I1, Number<mreduce_per_thread>{}, I1));
// TODO - extract template parameter
constexpr int scalarPerVector = 1;
constexpr int shuffleMPerBlock =
c_shuffle_block_desc_mblock_mperblock_nblock_nperblock.GetLength(I1);
auto f_thread_copy_vgpr_to_global = ThreadwiseTensorSliceTransfer_v1r3<
AccDataType,
FDataType,
decltype(thread_welford_desc_I_m_I),
decltype(f_grid_desc_mblock_mperblock_nblock),
tensor_operation::element_wise::PassThrough,
Sequence<1, mreduce_per_thread, 1>,
Sequence<0, 1, 2>,
1,
scalarPerVector,
InMemoryDataOperationEnum::Set,
1,
false>{f_grid_desc_mblock_mperblock_nblock,
make_multi_index(block_work_idx[I0], // mblock
shuffleMPerBlock * i +
c_reduce_thread_data_idx_begin[I0], // mperblock
block_work_idx[I1]), // nblock
tensor_operation::element_wise::PassThrough{}};
auto g_thread_copy_vgpr_to_global = ThreadwiseTensorSliceTransfer_v1r3<
AccDataType,
GDataType,
decltype(thread_welford_desc_I_m_I),
decltype(g_grid_desc_mblock_mperblock_nblock),
tensor_operation::element_wise::PassThrough,
Sequence<1, mreduce_per_thread, 1>,
Sequence<0, 1, 2>,
1,
scalarPerVector,
InMemoryDataOperationEnum::Set,
1,
false>{g_grid_desc_mblock_mperblock_nblock,
make_multi_index(block_work_idx[I0], // mblock
shuffleMPerBlock * i +
c_reduce_thread_data_idx_begin[I0], // mperblock
block_work_idx[I1]), // nblock
tensor_operation::element_wise::PassThrough{}};
f_thread_copy_vgpr_to_global.Run(thread_welford_desc_I_m_I,
make_tuple(I0, I0, I0),
mean_thread_buf,
f_grid_desc_mblock_mperblock_nblock,
f_grid_buf);
g_thread_copy_vgpr_to_global.Run(thread_welford_desc_I_m_I,
make_tuple(I0, I0, I0),
var_thread_buf,
g_grid_desc_mblock_mperblock_nblock,
g_grid_buf);
});
} // shuffle C + Ds + welford + write out
} // run
};
} // namespace ck
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